darkcomet | 768fda903d3dbfff95d02026b7b04be4f33c700abfee7232ce36111a7b4e1f94 | Triage

Sharing

General

Target

JaffaCakes118_112d6c58e5ce7056787fe6adfe4ea0f1
Size

734KB
Sample

250122-z7tgvswmcz
MD5

112d6c58e5ce7056787fe6adfe4ea0f1
SHA1

cfe1085a466387243eb4b4f6b459b343792b8d56
SHA256

768fda903d3dbfff95d02026b7b04be4f33c700abfee7232ce36111a7b4e1f94
SHA512

a11bde670c1179d59cd318f2511b57b58a02dd6183057238ab449759ab70560e25c3b524633d15eaf785e91942ac1658aa47c4606cb8fdbec8ece7e54037fc25
SSDEEP

12288:DpwABK90BOe/x9lPAYvxPQVjdsAY2XjWlnlpTMMXG91uhKIXn/:FwAcu99lPzvxP+Bsz2XjWTRMQckkIXn

Score

10^/10

darkcomet discovery persistence rat trojan

Malware Config

Targets

- Target
  
  JaffaCakes118_112d6c58e5ce7056787fe6adfe4ea0f1
- Size
  
  734KB
- MD5
  
  112d6c58e5ce7056787fe6adfe4ea0f1
- SHA1
  
  cfe1085a466387243eb4b4f6b459b343792b8d56
- SHA256
  
  768fda903d3dbfff95d02026b7b04be4f33c700abfee7232ce36111a7b4e1f94
- SHA512
  
  a11bde670c1179d59cd318f2511b57b58a02dd6183057238ab449759ab70560e25c3b524633d15eaf785e91942ac1658aa47c4606cb8fdbec8ece7e54037fc25
- SSDEEP
  
  12288:DpwABK90BOe/x9lPAYvxPQVjdsAY2XjWlnlpTMMXG91uhKIXn/:FwAcu99lPzvxP+Bsz2XjWTRMQckkIXn
Score

10^/10

darkcomet discovery persistence rat trojan
- Darkcomet
  DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
  trojan rat darkcomet
- Darkcomet family
  darkcomet
- Modifies WinLogon for persistence
  persistence
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Adds Run key to start application
  persistence
- Drops file in System32 directory
- Suspicious use of SetThreadContext
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Defense Evasion

Modify Registry

Credential Access

Discovery

Query Registry

Remote System Discovery

System Information Discovery

System Location Discovery

System Language Discovery

System Network Configuration Discovery

Internet Connection Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

darkcometdiscoverypersistencerattrojan

behavioral2

darkcometdiscoverypersistencerattrojan