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Overview

overview

10

Static

static

10

4819ac7420...18.exe

windows7-x64

10

4819ac7420...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4819ac7420498073e2f939de3bdcf120_JaffaCakes118

  • Size

    692KB

  • Sample

    240715-ee36dawhlk

  • MD5

    4819ac7420498073e2f939de3bdcf120

  • SHA1

    bd1a83e2b4987bee30a0f14cbaf685b26821d4e7

  • SHA256

    718208741ba5d91b828e357adeb9622f9710c0d422f14846fce044c43adbfbf3

  • SHA512

    ce1c2d4693a62bf8e832479c355caa4c79b38c6682a966390938bde724e5980ac87b7c081dc76809bd8f2d63ef3fa995f889b039c12c653ca9e0286cf27f8148

  • SSDEEP

    12288:cXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452US:KnAw2WWeFcfbP9VPSPMTSPL/rWvzq4JC

Score
10/10
darkcomet12evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

12

C2

tomcol.no-ip.info:1604

Mutex

DC_MUTEX-FWUB5XJ

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    u84K4144AzcZ

  • install

    true

  • offline_keylogger

    true

  • password

    tomcol

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      4819ac7420498073e2f939de3bdcf120_JaffaCakes118

    • Size

      692KB

    • MD5

      4819ac7420498073e2f939de3bdcf120

    • SHA1

      bd1a83e2b4987bee30a0f14cbaf685b26821d4e7

    • SHA256

      718208741ba5d91b828e357adeb9622f9710c0d422f14846fce044c43adbfbf3

    • SHA512

      ce1c2d4693a62bf8e832479c355caa4c79b38c6682a966390938bde724e5980ac87b7c081dc76809bd8f2d63ef3fa995f889b039c12c653ca9e0286cf27f8148

    • SSDEEP

      12288:cXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452US:KnAw2WWeFcfbP9VPSPMTSPL/rWvzq4JC

    Score
    10/10
    darkcomet12evasionpersistencerattrojan

    • 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

    • 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.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    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

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

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

3
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

2
T1562.001

Modify Registry

6
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks