Overview

overview

10

Static

static

5

JaffaCakes...39.exe

windows7-x64

10

JaffaCakes...39.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_f6c9055d523b94dd0dd20cb2d59ce039

  • Size

    423KB

  • Sample

    250214-mhrwhstkb1

  • MD5

    f6c9055d523b94dd0dd20cb2d59ce039

  • SHA1

    b25235cf8781ef947a70cebbe5ab5d3cfc18b442

  • SHA256

    6b4200469bff3fb5fd0c7880de7f67d2fa83260a4159bf3d2305e73f005cdf05

  • SHA512

    bcc8ae473369b75ec54d83fab15c4eb1a582ac7b64db62e45976c4b979d8c9623113bcf6bf520496f9c9f33d9b4b2a2cdd27dee7c74a844f04883176021d03bf

  • SSDEEP

    12288:2lghoSqDNJ/Jj0PeLTCdKET05/hM4/KZood31gLeiW:8g2DNb0wCdKVhny/d31IeiW

Score
10/10
darkcometvictimdefense_evasiondiscoverypersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Victim

C2

dcrat214.no-ip.biz:1604

Mutex

DC_MUTEX-E5E9EN3

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    ndFoCwbBFulg

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

rc4.plain

Targets

    • Target

      JaffaCakes118_f6c9055d523b94dd0dd20cb2d59ce039

    • Size

      423KB

    • MD5

      f6c9055d523b94dd0dd20cb2d59ce039

    • SHA1

      b25235cf8781ef947a70cebbe5ab5d3cfc18b442

    • SHA256

      6b4200469bff3fb5fd0c7880de7f67d2fa83260a4159bf3d2305e73f005cdf05

    • SHA512

      bcc8ae473369b75ec54d83fab15c4eb1a582ac7b64db62e45976c4b979d8c9623113bcf6bf520496f9c9f33d9b4b2a2cdd27dee7c74a844f04883176021d03bf

    • SSDEEP

      12288:2lghoSqDNJ/Jj0PeLTCdKET05/hM4/KZood31gLeiW:8g2DNb0wCdKVhny/d31IeiW

    Score
    10/10
    darkcometvictimdefense_evasiondiscoverypersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies security service

      defense_evasion

    • Windows security bypass

      defense_evasiontrojan

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

      defense_evasiontrojan

    • Adds Run key to start application

      persistence

    • UPX packed file

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

      upx
    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

1
T1543

Windows Service

1
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

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Modify Registry

5
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks