Overview

overview

10

Static

static

10

3a3d7bb5c3...18.exe

windows7-x64

10

3a3d7bb5c3...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    3a3d7bb5c3bc68dcdb5cd1795f392d21_JaffaCakes118

  • Size

    690KB

  • Sample

    241012-qmz98sserb

  • MD5

    3a3d7bb5c3bc68dcdb5cd1795f392d21

  • SHA1

    8d89acf54acc7d9a78f280d23386e02f86b5918a

  • SHA256

    2a5be7bb41a2e04ed547001298b5b5c05bc812c2d63b1978941b547408f375d3

  • SHA512

    0c76b0dce6eb38349f09bba08335c604d2c72cd1b1c6b40a725239e20eeafdaa1e2289736fa53a8cf10de48e335f0a86ba12a5be6d100503078606825edaf393

  • SSDEEP

    12288:l9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hzC:vZ1xuVVjfFoynPaVBUR8f+kN10EBI

Score
10/10
darkcometsexydiscoveryevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Sexy

C2

imblue.codns.com:80

Mutex

DC_MUTEX-V0VSZR0

Attributes
  • InstallPath

    MSDCSC\svchost.exe

  • gencode

    is0CsnnKwTD1

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      3a3d7bb5c3bc68dcdb5cd1795f392d21_JaffaCakes118

    • Size

      690KB

    • MD5

      3a3d7bb5c3bc68dcdb5cd1795f392d21

    • SHA1

      8d89acf54acc7d9a78f280d23386e02f86b5918a

    • SHA256

      2a5be7bb41a2e04ed547001298b5b5c05bc812c2d63b1978941b547408f375d3

    • SHA512

      0c76b0dce6eb38349f09bba08335c604d2c72cd1b1c6b40a725239e20eeafdaa1e2289736fa53a8cf10de48e335f0a86ba12a5be6d100503078606825edaf393

    • SSDEEP

      12288:l9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hzC:vZ1xuVVjfFoynPaVBUR8f+kN10EBI

    Score
    10/10
    darkcometsexydiscoveryevasionpersistencerattrojan

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence
    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

7
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks