Overview

overview

10

Static

static

10

b9e35c88cd...18.exe

windows7-x64

10

b9e35c88cd...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b9e35c88cd9ad3d9ab974984da9c46a3_JaffaCakes118

  • Size

    713KB

  • Sample

    241202-yka7bsvrfl

  • MD5

    b9e35c88cd9ad3d9ab974984da9c46a3

  • SHA1

    673de3456726901eef20fa19c98f08f0c50e35d4

  • SHA256

    e1d10981abcaacfe456b45c752433ab5494df4544dbfa4ed85623ebdecde7bc4

  • SHA512

    d48324a72109333b53c66813fce02a3b6c49ecacd5865088d6051353eb1e53a22d64e56e1532c3791e0e4670b4e572b7a0b67fb331543a03b4d08cb023e39900

  • SSDEEP

    12288:gaAchpWsuVtDnBsBDJIcynnC90levX4CuYf2D82T3s99+VHuNKD:RAEE3uBDhynCylQgi63O9+VuNy

Score
10/10
darkcometdiscoveryevasionpersistencerattrojan

Malware Config

Targets

    • Target

      b9e35c88cd9ad3d9ab974984da9c46a3_JaffaCakes118

    • Size

      713KB

    • MD5

      b9e35c88cd9ad3d9ab974984da9c46a3

    • SHA1

      673de3456726901eef20fa19c98f08f0c50e35d4

    • SHA256

      e1d10981abcaacfe456b45c752433ab5494df4544dbfa4ed85623ebdecde7bc4

    • SHA512

      d48324a72109333b53c66813fce02a3b6c49ecacd5865088d6051353eb1e53a22d64e56e1532c3791e0e4670b4e572b7a0b67fb331543a03b4d08cb023e39900

    • SSDEEP

      12288:gaAchpWsuVtDnBsBDJIcynnC90levX4CuYf2D82T3s99+VHuNKD:RAEE3uBDhynCylQgi63O9+VuNy

    Score
    10/10
    darkcometdiscoveryevasionpersistencerattrojan

    • Darkcomet

      DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Windows security bypass

      evasiontrojan

    • 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

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Impair Defenses

3
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

2
T1562.001

Modify Registry

5
T1112

Credential Access

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks