darkcomet | ad5cdeeb00b34ddf9764a7dedfd94b675300cc282e3ef84cd66119f3485729eb | Triage

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Overview

overview

Static

static

f0b4df4d1e...18.exe

windows7-x64

f0b4df4d1e...18.exe

windows10-2004-x64

Sharing

General

Target

f0b4df4d1e35e458ea7912a3b083c6e1_JaffaCakes118
Size

733KB
Sample

241214-zyj7tsvjbt
MD5

f0b4df4d1e35e458ea7912a3b083c6e1
SHA1

066eba09897d1ff3afba8ee0cfa53c072fd88df9
SHA256

ad5cdeeb00b34ddf9764a7dedfd94b675300cc282e3ef84cd66119f3485729eb
SHA512

9f6435dd815b7f2c75c1ea365015913d0d0922c9948011c56203e24a94d0d54a401301a5086472c96ecc407f78881a2a1ab4dfd86b213acd215a691cd8f81bc0
SSDEEP

12288:N6A84PaHhfD/tV9sj5NKR0pau9XGyu2qBVGLQyTPf1B:gAmBpVKHu0Mu9Xo20VGLVPt

Score

10^/10

darkcomet discovery persistence rat trojan upx

Static task

static1

3 signatures

Behavioral task

behavioral1

Sample

f0b4df4d1e35e458ea7912a3b083c6e1_JaffaCakes118.exe

Resource

win7-20241010-en

darkcomet discovery persistence rat trojan upx

windows7-x64

15 signatures

150 seconds

Behavioral task

behavioral2

Sample

f0b4df4d1e35e458ea7912a3b083c6e1_JaffaCakes118.exe

Resource

win10v2004-20241007-en

darkcomet discovery persistence rat trojan upx

windows10-2004-x64

15 signatures

150 seconds

Malware Config

Targets

- Target
  
  f0b4df4d1e35e458ea7912a3b083c6e1_JaffaCakes118
- Size
  
  733KB
- MD5
  
  f0b4df4d1e35e458ea7912a3b083c6e1
- SHA1
  
  066eba09897d1ff3afba8ee0cfa53c072fd88df9
- SHA256
  
  ad5cdeeb00b34ddf9764a7dedfd94b675300cc282e3ef84cd66119f3485729eb
- SHA512
  
  9f6435dd815b7f2c75c1ea365015913d0d0922c9948011c56203e24a94d0d54a401301a5086472c96ecc407f78881a2a1ab4dfd86b213acd215a691cd8f81bc0
- SSDEEP
  
  12288:N6A84PaHhfD/tV9sj5NKR0pau9XGyu2qBVGLQyTPf1B:gAmBpVKHu0Mu9Xo20VGLVPt
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.
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
  persistence
- Drops file in System32 directory
- 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

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

darkcometdiscoverypersistencerattrojanupx

behavioral2

darkcometdiscoverypersistencerattrojanupx

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