Overview

overview

10

Static

static

10

b283b32ba5...18.exe

windows7-x64

10

b283b32ba5...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b283b32ba5f54cfba24a1e784456f4eb_JaffaCakes118

  • Size

    658KB

  • Sample

    240616-j345sszenq

  • MD5

    b283b32ba5f54cfba24a1e784456f4eb

  • SHA1

    79481d3e5ade2a3069f0e1d4ac47bb39537cd355

  • SHA256

    d3ac1f5caa41cec6a371c458c1c1b16d04fea8278cc8e103e159d24daa765ef7

  • SHA512

    46249391fe980e29c3c2436564c48b4d59fa8439f0ded2579387bc02adf6b0d601e29a49586f6dcea41d4a4a272723882c19be7ed073b54891f6b360bb0f41f8

  • SSDEEP

    12288:i9HMeUmcufrvA3kb445UEJ2jsWiD4EvFuu4cNgZhCiZKD/XdyFe:OiBIGkbxqEcjsWiDxguehC2SJ

Score
10/10
darkcometguest16evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

petr1583.ddns.net:1604

Mutex

DC_MUTEX-S650WNH

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    w4ekF5q1MPVL

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      b283b32ba5f54cfba24a1e784456f4eb_JaffaCakes118

    • Size

      658KB

    • MD5

      b283b32ba5f54cfba24a1e784456f4eb

    • SHA1

      79481d3e5ade2a3069f0e1d4ac47bb39537cd355

    • SHA256

      d3ac1f5caa41cec6a371c458c1c1b16d04fea8278cc8e103e159d24daa765ef7

    • SHA512

      46249391fe980e29c3c2436564c48b4d59fa8439f0ded2579387bc02adf6b0d601e29a49586f6dcea41d4a4a272723882c19be7ed073b54891f6b360bb0f41f8

    • SSDEEP

      12288:i9HMeUmcufrvA3kb445UEJ2jsWiD4EvFuu4cNgZhCiZKD/XdyFe:OiBIGkbxqEcjsWiDxguehC2SJ

    Score
    10/10
    darkcometguest16evasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • Disables RegEdit via registry modification

      evasion

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • 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 Matrix ATT&CK v13

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

2
T1543

Windows Service

2
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

2
T1543

Windows Service

2
T1543.003

Defense Evasion

Modify Registry

7
T1112

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks