Overview

overview

10

Static

static

3

JaffaCakes...15.exe

windows7-x64

10

JaffaCakes...15.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_a3bd8ec59125f50068c895de7005f915

  • Size

    921KB

  • Sample

    250205-zzd27strhr

  • MD5

    a3bd8ec59125f50068c895de7005f915

  • SHA1

    bb4ac8c5dfca4777509babf4a00ea5548c9281f1

  • SHA256

    562249cccb775a9dcb17b91ebfac9543e852c081cd2cdf9e0b8d9e47660230cf

  • SHA512

    ebcb2e16c0af8d004a07a1db0980f9a2c3399120ca6f4b253740332f45e1fd666cd2eb26ade1eb020d4d2255111d4d1421aa1881ed8490ca13109def767facb4

  • SSDEEP

    12288:sEDxfJJmFVTIIIo2PYJrmfkDY0TB1vdLACxLEIMsBkqeV/70G:sWf+Hv1JrmfkBTB1D1ET5

Score
10/10
darkcometdefense_evasiondiscoverypersistencerattrojan

Malware Config

Targets

    • Target

      JaffaCakes118_a3bd8ec59125f50068c895de7005f915

    • Size

      921KB

    • MD5

      a3bd8ec59125f50068c895de7005f915

    • SHA1

      bb4ac8c5dfca4777509babf4a00ea5548c9281f1

    • SHA256

      562249cccb775a9dcb17b91ebfac9543e852c081cd2cdf9e0b8d9e47660230cf

    • SHA512

      ebcb2e16c0af8d004a07a1db0980f9a2c3399120ca6f4b253740332f45e1fd666cd2eb26ade1eb020d4d2255111d4d1421aa1881ed8490ca13109def767facb4

    • SSDEEP

      12288:sEDxfJJmFVTIIIo2PYJrmfkDY0TB1vdLACxLEIMsBkqeV/70G:sWf+Hv1JrmfkBTB1D1ET5

    Score
    10/10
    darkcometdefense_evasiondiscoverypersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • Modifies security service

      defense_evasion

    • Windows security bypass

      defense_evasiontrojan

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      defense_evasion

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Windows security modification

      defense_evasiontrojan

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Modify Registry

5
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks