Overview

overview

10

Static

static

10

21f44ec936...18.exe

windows7-x64

10

21f44ec936...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    21f44ec9368fa33fd4a4db6b71bb7677_JaffaCakes118

  • Size

    253KB

  • Sample

    240703-l339ls1fmj

  • MD5

    21f44ec9368fa33fd4a4db6b71bb7677

  • SHA1

    d622599189b87b98d3b4179839c869bb9ac7ca1a

  • SHA256

    e628bacb70dc8d27d3815489b3d0525df47e04e7966c4d810f98e1a5796ab6d2

  • SHA512

    a6d515f985549824621d195ab12ad416f8276dcfad3a39a606b715944c6857385411be872485393c0a35e9cc10ed4208202e0390a93e2a6ef59917ab0ab725f1

  • SSDEEP

    6144:5BJVqu5jxRl+t6Ge0qw0kw9+Ks9a8/7z6lnO:5tqwjxRl+t6GfL7zc

Score
10/10
darkcometguest16persistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

abod12345.no-ip.info:999

Mutex

DC_MUTEX-F54S21D

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    Bnz3xARLpc9X

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      21f44ec9368fa33fd4a4db6b71bb7677_JaffaCakes118

    • Size

      253KB

    • MD5

      21f44ec9368fa33fd4a4db6b71bb7677

    • SHA1

      d622599189b87b98d3b4179839c869bb9ac7ca1a

    • SHA256

      e628bacb70dc8d27d3815489b3d0525df47e04e7966c4d810f98e1a5796ab6d2

    • SHA512

      a6d515f985549824621d195ab12ad416f8276dcfad3a39a606b715944c6857385411be872485393c0a35e9cc10ed4208202e0390a93e2a6ef59917ab0ab725f1

    • SSDEEP

      6144:5BJVqu5jxRl+t6Ge0qw0kw9+Ks9a8/7z6lnO:5tqwjxRl+t6GfL7zc

    Score
    10/10
    darkcometguest16persistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • 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

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks