darkcomet | 6b31991de2b6ad2f44cbb0600b0328398b2fd443ddd38a6369749e06af271676 | Triage

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Overview

overview

Static

static

3

1ad3e32081...18.exe

windows7-x64

1ad3e32081...18.exe

windows10-2004-x64

Sharing

General

Target

1ad3e3208186df7f6f24f4c0f37ee89a_JaffaCakes118
Size

372KB
Sample

241007-calpessepd
MD5

1ad3e3208186df7f6f24f4c0f37ee89a
SHA1

e61412dff4d091cbcb24649cdeca74b7f4759eeb
SHA256

6b31991de2b6ad2f44cbb0600b0328398b2fd443ddd38a6369749e06af271676
SHA512

4472da7e86492494075d6624ae17bb14a2cdbf96c981135284616cfc20207287a3bbda0c4615810e9400563c490c1e3e8ab1539ed4883457a9308d590ff6483a
SSDEEP

6144:pFtNKVf1su427zzKHDp8TAJjyAdYevwPkxMbjsO9AmWqp16Ttl3NeFwP9e:pFtUVeu4izKHl8sgAKYxM8XmWEEl3wF1

Score

10^/10

darkcomet discovery evasion persistence rat trojan upx

Static task

static1

1 signatures

Behavioral task

behavioral1

Sample

1ad3e3208186df7f6f24f4c0f37ee89a_JaffaCakes118.exe

Resource

win7-20240903-en

darkcomet discovery evasion persistence rat trojan upx

windows7-x64

17 signatures

150 seconds

Behavioral task

behavioral2

Sample

1ad3e3208186df7f6f24f4c0f37ee89a_JaffaCakes118.exe

Resource

win10v2004-20240802-en

darkcomet discovery evasion persistence rat trojan upx

windows10-2004-x64

16 signatures

150 seconds

Malware Config

Targets

- Target
  
  1ad3e3208186df7f6f24f4c0f37ee89a_JaffaCakes118
- Size
  
  372KB
- MD5
  
  1ad3e3208186df7f6f24f4c0f37ee89a
- SHA1
  
  e61412dff4d091cbcb24649cdeca74b7f4759eeb
- SHA256
  
  6b31991de2b6ad2f44cbb0600b0328398b2fd443ddd38a6369749e06af271676
- SHA512
  
  4472da7e86492494075d6624ae17bb14a2cdbf96c981135284616cfc20207287a3bbda0c4615810e9400563c490c1e3e8ab1539ed4883457a9308d590ff6483a
- SSDEEP
  
  6144:pFtNKVf1su427zzKHDp8TAJjyAdYevwPkxMbjsO9AmWqp16Ttl3NeFwP9e:pFtUVeu4izKHl8sgAKYxM8XmWEEl3wF1
Score

10^/10

darkcomet discovery evasion persistence rat trojan upx
- Darkcomet
  DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
  trojan rat darkcomet
- Modifies WinLogon for persistence
  persistence
- Disables RegEdit via registry modification
  evasion
- Disables Task Manager via registry modification
  evasion
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
  persistence
- 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

darkcometdiscoveryevasionpersistencerattrojanupx

behavioral2

darkcometdiscoveryevasionpersistencerattrojanupx

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