Analisado por: Karen Ivy Titiwa   
 

Trojan:Win32/Qakbot!MTB(MICROSOFT); RDN/Qakbot(NAI)

 Plataforma:

Windows

 Classificao do risco total:
 Potencial de dano:
 Potencial de distribuição:
 infecção relatada:
 Exposição das informações:
Baixo
Medium
Alto
Crítico

  • Tipo de grayware:
    Trojan Spy

  • Destrutivo:
    Não

  • Criptografado:
     

  • In the Wild:
    Sim

  Visão geral

Canal de infecção: Aus dem Internet heruntergeladen

It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  Detalhes técnicos

Tipo de compactação: 201,216 bytes
Tipo de arquivo: DLL
Residente na memória: Sim
Data de recebimento das amostras iniciais: 04 fevereiro 2021
Carga útil: Connects to URLs/IPs

Übertragungsdetails

It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

Fügt die folgenden Prozesse hinzu:

  • %Windows%\explorer.exe (%System%\mobsync.exe or %Program Files%\Internet Explorer\iexplore.exe if not found)
  • %System%\schtasks.exe /Create /RU "NT AUTHORITY\SYSTEM" /tn {Random characters} /tr "regsvr32.exe -s \"{Malware File Path}\{Malware File Name}.dll\"" /SC ONCE /Z /ST {Time} /ET {Time}
  • whoami /all
  • cmd /c set
  • arp -a
  • ipconfig /all
  • net view /all
  • nslookup -querytype=ALL -timeout=10 _ldap._tcp.dc._msdcs.WORKGROUP
  • nltest /domain_trusts /all_trusts
  • net share
  • %System%\net1 share
  • route print
  • netstat -nao
  • net localgroup
  • %System%\net1 localgroup
  • qwinsta

(Hinweis: %Program Files%ist der Standardordner 'Programme', normalerweise C:\Programme.)

Fügt sich in die folgenden Prozesse ein, die im Speicher des betroffenen Systems ausgeführt werden:

  • %System Root%\explorer.exe
  • %Program Files%\Internet Explorer\iexplore.exe

(Hinweis: %System Root% ist der Stammordner, normalerweise C:\. Dort befindet sich auch das Betriebssystem.. %Program Files%ist der Standardordner 'Programme', normalerweise C:\Programme.)

Datendiebstahl

Sammelt bei Ausführung der betroffenen Anwendung die folgenden Informationen:

  • Hardware information
  • Operating system information
  • Processor information
  • Installed antivirus products
  • Running processes
  • Computer name
  • User name
  • IP address

Entwendete Daten

Sendet die gesammelten Daten über HTTP-POST an den folgenden URL:

  • {BLOCKED}.{BLOCKED}.236.101:443
  • {BLOCKED}.{BLOCKED}.236.99:443
  • {BLOCKED}.{BLOCKED}.208.140:443
  • {BLOCKED}.{BLOCKED}.150.98:443
  • {BLOCKED}.{BLOCKED}.52.111:443
  • {BLOCKED}.{BLOCKED}.123.244:443
  • {BLOCKED}.{BLOCKED}.4:995
  • {BLOCKED}.{BLOCKED}.101.62:443
  • {BLOCKED}.{BLOCKED}.49.12:443
  • {BLOCKED}.{BLOCKED}.227.86:443
  • {BLOCKED}.{BLOCKED}.38.185:2222
  • {BLOCKED}.{BLOCKED}.38.185:443
  • {BLOCKED}.{BLOCKED}.38.185:995
  • {BLOCKED}.{BLOCKED}.101.90:2222
  • {BLOCKED}.{BLOCKED}.101.90:443
  • {BLOCKED}.{BLOCKED}.101.90:8443
  • {BLOCKED}.{BLOCKED}.101.90:995
  • {BLOCKED}.{BLOCKED}.98.196:2222
  • {BLOCKED}.{BLOCKED}.98.196:443
  • {BLOCKED}.{BLOCKED}.98.196:995
  • {BLOCKED}.{BLOCKED}.99.97:2222
  • {BLOCKED}.{BLOCKED}.99.97:443
  • {BLOCKED}.{BLOCKED}.99.97:995
  • {BLOCKED}.{BLOCKED}..102.42:443
  • {BLOCKED}.{BLOCKED}.82.200:443
  • {BLOCKED}.{BLOCKED}.30.215:443
  • {BLOCKED}.{BLOCKED}.157.235:3389
  • {BLOCKED}.{BLOCKED}.10.71:2222
  • {BLOCKED}.{BLOCKED}.165.101:995
  • {BLOCKED}.{BLOCKED}.70.12:995
  • {BLOCKED}.{BLOCKED}.161.85:443
  • {BLOCKED}.{BLOCKED}.14.130:22
  • {BLOCKED}.{BLOCKED}.122.72:443
  • {BLOCKED}.{BLOCKED}.151.167:443
  • {BLOCKED}.{BLOCKED}.128.253:443
  • {BLOCKED}.{BLOCKED}.63.105:443
  • {BLOCKED}.{BLOCKED}.115.207:443
  • {BLOCKED}.{BLOCKED}.7.9:443
  • {BLOCKED}.{BLOCKED}.91.154:443
  • {BLOCKED}.{BLOCKED}.221.184:2222
  • {BLOCKED}.{BLOCKED}.252.84:443
  • {BLOCKED}.{BLOCKED}..154.132:443
  • {BLOCKED}.{BLOCKED}.110.165:995
  • {BLOCKED}.{BLOCKED}.216:443
  • {BLOCKED}.{BLOCKED}.217:2222
  • {BLOCKED}.{BLOCKED}.5.175:443
  • {BLOCKED}.{BLOCKED}.95.254:443
  • {BLOCKED}.{BLOCKED}.210.27:443
  • {BLOCKED}.{BLOCKED}.138.162:443
  • {BLOCKED}.{BLOCKED}.195.67:443
  • {BLOCKED}.{BLOCKED}.116.237:2222
  • {BLOCKED}.{BLOCKED}.116.237:443
  • {BLOCKED}.{BLOCKED}.116.237:8443
  • {BLOCKED}.{BLOCKED}.116.237:995
  • {BLOCKED}.{BLOCKED}.77.75:2222
  • {BLOCKED}.{BLOCKED}.77.75:443
  • {BLOCKED}.{BLOCKED}.77.75:8443
  • {BLOCKED}.{BLOCKED}.77.75:995
  • {BLOCKED}.{BLOCKED}.187.52:443
  • {BLOCKED}.{BLOCKED}.162.158:443
  • {BLOCKED}.{BLOCKED}.54.140:32100
  • {BLOCKED}.{BLOCKED}.219.253:995
  • {BLOCKED}.{BLOCKED}.61.153:2078
  • {BLOCKED}.{BLOCKED}.2.216:2222
  • {BLOCKED}.{BLOCKED}.2.218:993
  • {BLOCKED}.{BLOCKED}.92.142:995
  • {BLOCKED}.{BLOCKED}.69.207:443
  • {BLOCKED}.{BLOCKED}.66:995
  • {BLOCKED}.{BLOCKED}.16.179:443
  • {BLOCKED}.{BLOCKED}.54:443
  • {BLOCKED}.{BLOCKED}.11.207:2222
  • {BLOCKED}.{BLOCKED}.11.207:443
  • {BLOCKED}.{BLOCKED}.11.207:8443
  • {BLOCKED}.{BLOCKED}.11.207:995
  • {BLOCKED}.{BLOCKED}.3.140:2222
  • {BLOCKED}.{BLOCKED}.07.192:2222
  • {BLOCKED}.{BLOCKED}.07.192:443
  • {BLOCKED}.{BLOCKED}.07.192:995
  • {BLOCKED}.{BLOCKED}.15.208:2222
  • {BLOCKED}.{BLOCKED}.15.208:443
  • {BLOCKED}.{BLOCKED}.15.208:8443
  • {BLOCKED}.{BLOCKED}.15.208:995
  • {BLOCKED}.{BLOCKED}.36.53:995
  • {BLOCKED}.{BLOCKED}.169.85:443
  • {BLOCKED}.{BLOCKED}.8.187:443
  • {BLOCKED}.{BLOCKED}.48.6:443
  • {BLOCKED}.{BLOCKED}.112.106:443
  • {BLOCKED}.{BLOCKED}.66.232:995
  • {BLOCKED}.{BLOCKED}.8.164:2222
  • {BLOCKED}.{BLOCKED}.114.87:443
  • {BLOCKED}.{BLOCKED}.206.193:993
  • {BLOCKED}.{BLOCKED}..75:443
  • {BLOCKED}.{BLOCKED}.192.69:443
  • {BLOCKED}.{BLOCKED}.60.77:995
  • {BLOCKED}.{BLOCKED}.179.70:443
  • {BLOCKED}.{BLOCKED}.39.10:443
  • {BLOCKED}.{BLOCKED}.130.172:995
  • {BLOCKED}.{BLOCKED}.132.169:443
  • {BLOCKED}.{BLOCKED}.10.199:443
  • {BLOCKED}.{BLOCKED}.142.63:443
  • {BLOCKED}.{BLOCKED}.170.235:443
  • {BLOCKED}.{BLOCKED}.126.250:443
  • {BLOCKED}.{BLOCKED}.2.34:443
  • {BLOCKED}.{BLOCKED}.242.138:443
  • {BLOCKED}.{BLOCKED}.200.181:2222
  • {BLOCKED}.{BLOCKED}.201.69:443
  • {BLOCKED}.{BLOCKED}.44.202:443
  • {BLOCKED}.{BLOCKED}.37.11:443
  • {BLOCKED}.{BLOCKED}.26.147:443
  • {BLOCKED}.{BLOCKED}.40.155:443
  • {BLOCKED}.{BLOCKED}.92.125:443
  • {BLOCKED}.{BLOCKED}.128.194:443
  • {BLOCKED}.{BLOCKED}.42.196:443
  • {BLOCKED}.{BLOCKED}.00.148:995
  • {BLOCKED}.{BLOCKED}.74.49:995
  • {BLOCKED}.{BLOCKED}.26.32:443
  • {BLOCKED}.{BLOCKED}.68.18:443
  • {BLOCKED}.{BLOCKED}.07.104:443
  • {BLOCKED}.{BLOCKED}.121.81:995
  • {BLOCKED}.{BLOCKED}.252.62:2222
  • {BLOCKED}.{BLOCKED}.85.24:2222
  • {BLOCKED}.{BLOCKED}.5.70:443
  • {BLOCKED}.{BLOCKED}.9.64:995
  • {BLOCKED}.{BLOCKED}.54.62:443
  • {BLOCKED}.{BLOCKED}.54.100:443
  • {BLOCKED}.{BLOCKED}.7.211:443
  • {BLOCKED}.{BLOCKED}.108.181:2222
  • {BLOCKED}.{BLOCKED}.12.140:2222
  • {BLOCKED}.{BLOCKED}.248.121:995
  • {BLOCKED}.{BLOCKED}.252.202:2222
  • {BLOCKED}.{BLOCKED}.5.226:443
  • {BLOCKED}.{BLOCKED}.36.111:2222
  • {BLOCKED}.{BLOCKED}.93.144:443
  • {BLOCKED}.{BLOCKED}.60.133:2222
  • {BLOCKED}.{BLOCKED}.77.68:2222
  • {BLOCKED}.{BLOCKED}.3.124:2078
  • {BLOCKED}.{BLOCKED}.91.244:443
  • {BLOCKED}.{BLOCKED}.211.239:995
  • {BLOCKED}.{BLOCKED}.8.238:443
  • {BLOCKED}.{BLOCKED}.88.99:2222
  • {BLOCKED}.{BLOCKED}.5.196:2222
  • {BLOCKED}.{BLOCKED}.2.42:443
  • {BLOCKED}.{BLOCKED}.7.6:443
  • {BLOCKED}.{BLOCKED}.23.148:443
  • {BLOCKED}.{BLOCKED}.17.140:443
  • {BLOCKED}.{BLOCKED}.127.13:995
  • {BLOCKED}.{BLOCKED}.13.36:993
  • {BLOCKED}.{BLOCKED}.60.4:2222
  • {BLOCKED}.{BLOCKED}.21.115:443
  • {BLOCKED}.{BLOCKED}.187.78:443

Andere Details

Es macht Folgendes:

  • It attempts to create a pipe for communication.
  • It checks the presence of the following Anti-Virus and Security Applications:
    • ccSvcHst.exe
    • avgcsrvx.exe
    • avgsvcx.exe
    • avgcsrva.exe
    • MsMpEng.exe
    • mcshield.exe
    • avp.exe
    • kavtray.exe
    • egui.exe
    • ekrn.exe
    • bdagent.exe
    • vsserv.exe
    • vsservppl.exe
    • AvastSvc.exe
    • coreServiceShell.exe
    • PccNTMon.exe
    • NTRTScan.exe
    • SAVAdminService.exe
    • SavService.exe
    • fshoster32.exe
    • WRSA.exe
    • vkise.exe
    • isesrv.exe
    • cmdagent.exe
    • ByteFence.exe
    • MBAMService.exe
    • mbamgui.exe
    • fmon.exe
  • It checks for the following strings in its filename:
    • artifact.exe
    • mlwr_smpl
    • sample
    • sandbox
    • cuckoo-
    • virus
  • It checks for the following processes in the affected system's memory:
    • srvpost.exe
    • frida-winjector-helper-32.exe
    • frida-winjector-helper-64.exe
  • It terminates itself when executed in the following Virtual Environments:
    • A3E64E55_pr
    • VBoxVideo
    • Red Hat VirtIO
    • QEMU
    • VIRTUAL-PC
    • Virtual

  Solução

Mecanismo de varredura mínima: 9.800
Primeiro arquivo padrão VSAPI: 16.582.05
Data do lançamento do primeiro padrão VSAPI: 08 março 2021
VSAPI OPR Pattern Version: 16.583.00
VSAPI OPR Pattern veröffentlicht am: 09 março 2021

Step 2

Für Windows ME und XP Benutzer: Stellen Sie vor einer Suche sicher, dass die Systemwiederherstellung deaktiviert ist, damit der gesamte Computer durchsucht werden kann.

Step 3

<p> Beachten Sie, dass nicht alle Dateien, Ordner, Registrierungsschlüssel und Einträge auf Ihrem Computer installiert sind, während diese Malware / Spyware / Grayware ausgeführt wird. Dies kann auf eine unvollständige Installation oder andere Betriebssystembedingungen zurückzuführen sein. Fahren Sie mit dem nächsten Schritt fort. </ p><p> Beachten Sie, dass nicht alle Dateien, Ordner, Registrierungsschlüssel und Einträge auf Ihrem Computer installiert sind, während diese Malware / Spyware / Grayware ausgeführt wird. Dies kann auf eine unvollständige Installation oder andere Betriebssystembedingungen zurückzuführen sein. Fahren Sie mit dem nächsten Schritt fort. </ p>

Step 4

Im abgesicherten Modus neu starten

[ Saber mais ]

Step 5

Deleting Scheduled Tasks

The following {Task Name} - {Task to be run} listed should be used in the steps identified below:

  • Task name: {Random characters}
    Action: Start a program: {Malware File Path}\{Malware File Name}.dll

For Windows 2000, Windows XP, and Windows Server 2003:

  1. Open the Windows Scheduled Tasks. Click Start>Programs>Accessories>
    System Tools>Scheduled Tasks.
  2. Locate each {Task Name} values listed above in the Name column.
  3. Right-click on the said file(s) with the aforementioned value.
  4. Click on Properties. In the Run field, check for the listed {Task to be run}.
  5. If the strings match the list above, delete the task.

For Windows Vista, Windows 7, Windows Server 2008, Windows 8, Windows 8.1, and Windows Server 2012:

  1. Open the Windows Task Scheduler. To do this:
    • On Windows Vista, Windows 7, and Windows Server 2008, click Start, type taskschd.msc in the Search input field, then press Enter.
    • On Windows 8, Windows 8.1, and Windows Server 2012, right-click on the lower left corner of the screen, click Run, type taskschd.msc, then press Enter.
  2. In the left panel, click Task Scheduler Library.
  3. In the upper-middle panel, locate each {Task Name} values listed above in the Name column.
  4. In the lower-middle panel, click the Actions tab. In the Details column, check for the {Task to be run} string.
  5. If the said string is found, delete the task.

Step 6

Führen Sie den Neustart im normalen Modus durch, und durchsuchen Sie Ihren Computer mit Ihrem Trend Micro Produkt nach Dateien, die als TrojanSpy.Win32.QAKBOT.THBOCBA entdeckt werden. Falls die entdeckten Dateien bereits von Ihrem Trend Micro Produkt gesäubert, gelöscht oder in Quarantäne verschoben wurden, sind keine weiteren Schritte erforderlich. Dateien in Quarantäne können einfach gelöscht werden. Auf dieser Knowledge-Base-Seite finden Sie weitere Informationen.


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