Overview

overview

10

Static

static

10

18c5620a87...18.exe

windows7-x64

10

18c5620a87...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    18c5620a87a3f43d0fe83450185e026d_JaffaCakes118

  • Size

    690KB

  • Sample

    241006-tg63dasfpm

  • MD5

    18c5620a87a3f43d0fe83450185e026d

  • SHA1

    3611f45ebeb12277b6f2ff2a5b45569f83cb119b

  • SHA256

    b7b8721a2654f4452798041d89b76de80c0c1de70de7fad9fcf90f9984e40553

  • SHA512

    db03b0cf0f109fd40935951aa1f309c1ea1feab645b4e521ecfc7788c754979ba269a376a4058a6177e22dd58989ac6a38be05e9d77e3ce163f3e0f811359cf6

  • SSDEEP

    12288:N9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hV7:nZ1xuVVjfFoynPaVBUR8f+kN10EBL

Score
10/10
darkcomethfdiscoveryevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

HF

C2

cyber-dos.no-ip.org:1337

Mutex

DC_MUTEX-27MQH02

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    5HkVSsYvX6vY

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    windows components

Targets

    • Target

      18c5620a87a3f43d0fe83450185e026d_JaffaCakes118

    • Size

      690KB

    • MD5

      18c5620a87a3f43d0fe83450185e026d

    • SHA1

      3611f45ebeb12277b6f2ff2a5b45569f83cb119b

    • SHA256

      b7b8721a2654f4452798041d89b76de80c0c1de70de7fad9fcf90f9984e40553

    • SHA512

      db03b0cf0f109fd40935951aa1f309c1ea1feab645b4e521ecfc7788c754979ba269a376a4058a6177e22dd58989ac6a38be05e9d77e3ce163f3e0f811359cf6

    • SSDEEP

      12288:N9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hV7:nZ1xuVVjfFoynPaVBUR8f+kN10EBL

    Score
    10/10
    darkcomethfdiscoveryevasionpersistencerattrojan

    • 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

    • 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

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