Overview

overview

10

Static

static

10

baba48cade...18.exe

windows7-x64

10

baba48cade...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    baba48cadedcfdd5db5065967fdab355_JaffaCakes118

  • Size

    252KB

  • Sample

    240618-kaxexsverc

  • MD5

    baba48cadedcfdd5db5065967fdab355

  • SHA1

    f4711ad3c43bfc781112bdb783fcbdf0ebb58fac

  • SHA256

    3967cfc25df0b22507a278e35556f1ac0d867c2cb2b738cb44bf0009c165f21e

  • SHA512

    417e2437dc6fc4ccedc08d9784ca2f51ac116516ac392790f8dc82efd4af7ac922b9c139fbcd7e695764dd5d948b8e0a16712d59a396b787aadde04d10b1b124

  • SSDEEP

    6144:PcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37B:PcW7KEZlPzCy37

Score
10/10
darkcometguest16evasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

gem0t0gen9.ddns.net:1604

Mutex

DC_MUTEX-QWGRQH2

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    tb2geV6KQmHa

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      baba48cadedcfdd5db5065967fdab355_JaffaCakes118

    • Size

      252KB

    • MD5

      baba48cadedcfdd5db5065967fdab355

    • SHA1

      f4711ad3c43bfc781112bdb783fcbdf0ebb58fac

    • SHA256

      3967cfc25df0b22507a278e35556f1ac0d867c2cb2b738cb44bf0009c165f21e

    • SHA512

      417e2437dc6fc4ccedc08d9784ca2f51ac116516ac392790f8dc82efd4af7ac922b9c139fbcd7e695764dd5d948b8e0a16712d59a396b787aadde04d10b1b124

    • SSDEEP

      6144:PcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37B:PcW7KEZlPzCy37

    Score
    10/10
    darkcometguest16evasionpersistencerattrojanupx

    • 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

    • Disables Task Manager 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.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

      upx

    • 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