Overview

overview

10

Static

static

3

30f2c8abbc...18.exe

windows7-x64

10

30f2c8abbc...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    30f2c8abbc5da98aa9454224a8f7e8d3_JaffaCakes118

  • Size

    676KB

  • Sample

    240709-s1c3zasdka

  • MD5

    30f2c8abbc5da98aa9454224a8f7e8d3

  • SHA1

    55a91b077fe6491ebee752b0abe9731564471c28

  • SHA256

    48c2d4147dea06a93fccf02893568b11d4b332f49fe7c8477132b8b7389ae062

  • SHA512

    bfe89dc3fc0a90f70a95958d2e57f19483c9913b5931e7a5bbfbfa8ec983ace1ed7a4b6d6e387442e36d9da1173eebca667e750f3aa33ca9da944e88be20c377

  • SSDEEP

    12288:vPa6Fv3XCNkvrm5OfL/3/R4f0/hNBMQm0YS56bD+Ep481vKDWw+:Hb3XSkS5qLHRmuhNBM+YS56bDzvKDWx

Score
10/10
darkcometguest16_minpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

127.0.0.1:1604

Mutex

DCMIN_MUTEX-H44XS6F

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    fZMsDSKWmpXJ

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    DarkComet RAT

Targets

    • Target

      30f2c8abbc5da98aa9454224a8f7e8d3_JaffaCakes118

    • Size

      676KB

    • MD5

      30f2c8abbc5da98aa9454224a8f7e8d3

    • SHA1

      55a91b077fe6491ebee752b0abe9731564471c28

    • SHA256

      48c2d4147dea06a93fccf02893568b11d4b332f49fe7c8477132b8b7389ae062

    • SHA512

      bfe89dc3fc0a90f70a95958d2e57f19483c9913b5931e7a5bbfbfa8ec983ace1ed7a4b6d6e387442e36d9da1173eebca667e750f3aa33ca9da944e88be20c377

    • SSDEEP

      12288:vPa6Fv3XCNkvrm5OfL/3/R4f0/hNBMQm0YS56bD+Ep481vKDWw+:Hb3XSkS5qLHRmuhNBM+YS56bDzvKDWx

    Score
    10/10
    darkcometguest16_minpersistencerattrojan

    • 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

    • 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