TSPY_DYRE.CAS
Infostealer.Dyre (Symantec)
Windows

Threat Type: Spyware
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This spyware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It deletes the initially executed copy of itself.
TECHNICAL DETAILS
Arrival Details
This spyware 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 spyware drops the following copies of itself into the affected system and executes them:
- %Windows%\{random file name 1}.exe
- %Windows%\{random file name 1}_.exe
(Note: %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.)
It drops the following files:
- %System%\Tasks\{Random file name 1}
(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.)
Other Details
This spyware connects to the following possibly malicious URL:
- {BLOCKED}.{BLOCKED}.1.13:4443
- {BLOCKED}.{BLOCKED}.116.174:443
- {BLOCKED}.{BLOCKED}.212.105:443
- {BLOCKED}.{BLOCKED}.180.41:4443
- {BLOCKED}.{BLOCKED}.69.251:443
- {BLOCKED}.{BLOCKED}.49.11:443
- {BLOCKED}.{BLOCKED}.228.68:4443
- {BLOCKED}.{BLOCKED}.166.94:4443
- {BLOCKED}.{BLOCKED}.50.124:4443
- {BLOCKED}.{BLOCKED}.239.194:443
- {BLOCKED}.{BLOCKED}.101.194:4443
- {BLOCKED}.{BLOCKED}.122.32:443
- {BLOCKED}.{BLOCKED}.40.144:443
- {BLOCKED}.{BLOCKED}.109.92:443
- {BLOCKED}.{BLOCKED}.76.17:4443
- {BLOCKED}.{BLOCKED}.217.70:443
- {BLOCKED}.{BLOCKED}.68.104:443
- {BLOCKED}.{BLOCKED}.68.129:443
- {BLOCKED}.{BLOCKED}.9.108:443
- {BLOCKED}.{BLOCKED}.9.141:443
- {BLOCKED}.{BLOCKED}.9.225:443
- {BLOCKED}.{BLOCKED}.167.234:4443
- {BLOCKED}.{BLOCKED}.138.66:443
- {BLOCKED}.{BLOCKED}.240.79:4443
- {BLOCKED}.{BLOCKED}.77.76:443
- {BLOCKED}.{BLOCKED}.206.82:443
- {BLOCKED}.{BLOCKED}.60.33:443
- {BLOCKED}.{BLOCKED}.67.190:443
- {BLOCKED}.{BLOCKED}.104.166:4443
- {BLOCKED}.{BLOCKED}.101.2:4443
- {BLOCKED}.{BLOCKED}.108.47:4443
- {BLOCKED}.{BLOCKED}.200.112:443
- {BLOCKED}.{BLOCKED}.182.109:443
- {BLOCKED}.{BLOCKED}.67.80:443
- {BLOCKED}.{BLOCKED}.28.44:443
- {BLOCKED}.{BLOCKED}.251.162:443
- {BLOCKED}.{BLOCKED}.196.217:443
- {BLOCKED}.{BLOCKED}.208.13:443
- {BLOCKED}.{BLOCKED}.131.116:443
- {BLOCKED}.{BLOCKED}.226.74:443
- {BLOCKED}.{BLOCKED}.71.149:4443
- {BLOCKED}.{BLOCKED}.176.230:4443
- {BLOCKED}.{BLOCKED}.232.18:443
- {BLOCKED}.{BLOCKED}.48.38:443
- {BLOCKED}.{BLOCKED}.131.229:443
- {BLOCKED}.{BLOCKED}.62.195:4443
It deletes the initially executed copy of itself