darkcomet | 45d59275a88878dc40fb0940044acb9c1ef65adfaab39431327b106f31bccb63 | Triage

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Overview

overview

Static

static

3

JaffaCakes...4f.exe

windows7-x64

JaffaCakes...4f.exe

windows10-2004-x64

Sharing

General

Target

JaffaCakes118_0357870e7612851c5999f99a45c70a4f
Size

691KB
Sample

250121-kjxgaavqhn
MD5

0357870e7612851c5999f99a45c70a4f
SHA1

33c20db77f4af7509849e3655f5c711a0ccae0c6
SHA256

45d59275a88878dc40fb0940044acb9c1ef65adfaab39431327b106f31bccb63
SHA512

e6d35b3391ce52f63873d6abd3d904b60d951230d2b87010eafdd10937684ba4c3bc1a7020e9405d09c905004580ea18a3ea1c812c6b7e415cb18334362c1c83
SSDEEP

12288:SAwoSSn3Qx8bLHUG9KRvnt5jeYTZ2AF33HTcywyKhrwYJRF/NcFpBadUnw:Sw3/9yt5PBIh3qYfF/NcFudf

Score

10^/10

darkcomet discovery persistence rat trojan upx

Static task

static1

1 signatures

Behavioral task

behavioral1

Sample

JaffaCakes118_0357870e7612851c5999f99a45c70a4f.exe

Resource

win7-20240903-en

darkcomet discovery persistence rat trojan upx

windows7-x64

14 signatures

150 seconds

Behavioral task

behavioral2

Sample

JaffaCakes118_0357870e7612851c5999f99a45c70a4f.exe

Resource

win10v2004-20241007-en

darkcomet discovery persistence rat trojan upx

windows10-2004-x64

15 signatures

150 seconds

Malware Config

Targets

- Target
  
  JaffaCakes118_0357870e7612851c5999f99a45c70a4f
- Size
  
  691KB
- MD5
  
  0357870e7612851c5999f99a45c70a4f
- SHA1
  
  33c20db77f4af7509849e3655f5c711a0ccae0c6
- SHA256
  
  45d59275a88878dc40fb0940044acb9c1ef65adfaab39431327b106f31bccb63
- SHA512
  
  e6d35b3391ce52f63873d6abd3d904b60d951230d2b87010eafdd10937684ba4c3bc1a7020e9405d09c905004580ea18a3ea1c812c6b7e415cb18334362c1c83
- SSDEEP
  
  12288:SAwoSSn3Qx8bLHUG9KRvnt5jeYTZ2AF33HTcywyKhrwYJRF/NcFpBadUnw:Sw3/9yt5PBIh3qYfF/NcFudf
Score

10^/10

darkcomet discovery persistence rat trojan upx
- 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 computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
  persistence
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
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

System Information Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

darkcometdiscoverypersistencerattrojanupx

behavioral2

darkcometdiscoverypersistencerattrojanupx

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