Overview

overview

10

Static

static

3

ed1f862258...18.exe

windows7-x64

10

ed1f862258...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ed1f8622583e025c88f49d87c6cb9ea8_JaffaCakes118

  • Size

    574KB

  • Sample

    241213-2z4nzasmhp

  • MD5

    ed1f8622583e025c88f49d87c6cb9ea8

  • SHA1

    e6df1d20ccb444f9d9939c9ad68e47674682fb61

  • SHA256

    620bbcf3a8ca25233247fbb5ed293799f7dad46d594649e74eb97f5041b5d95c

  • SHA512

    31502c988b7457d0b1d408c75f40bb8de54d40e093c3c5cb724f7a1981511de8340b1230dd528a79eff37aec007c6d5c9169dfcd3b2f7dd2df1b45769a977d9a

  • SSDEEP

    12288:izpMS4Kd/wALu4WVD8RMyOyAfnXAuH8EZscTptxIewNK8VlRfqHuo9:iFMjs4ALbUDbybtEZsGtxIZK0Ts

Score
10/10
darkcometguest16discoveryevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

93.76.25.160:1604
Mutex

DC_MUTEX-AMH04UV

Attributes
  • InstallPath

    WindowsDefencer/Update.exe

  • gencode

    tLtGfaegvvj1

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    Windows Defencer

Targets

    • Target

      ed1f8622583e025c88f49d87c6cb9ea8_JaffaCakes118

    • Size

      574KB

    • MD5

      ed1f8622583e025c88f49d87c6cb9ea8

    • SHA1

      e6df1d20ccb444f9d9939c9ad68e47674682fb61

    • SHA256

      620bbcf3a8ca25233247fbb5ed293799f7dad46d594649e74eb97f5041b5d95c

    • SHA512

      31502c988b7457d0b1d408c75f40bb8de54d40e093c3c5cb724f7a1981511de8340b1230dd528a79eff37aec007c6d5c9169dfcd3b2f7dd2df1b45769a977d9a

    • SSDEEP

      12288:izpMS4Kd/wALu4WVD8RMyOyAfnXAuH8EZscTptxIewNK8VlRfqHuo9:iFMjs4ALbUDbybtEZsGtxIZK0Ts

    Score
    10/10
    darkcometguest16discoveryevasionpersistencerattrojan

    • 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

      evasion

    • Windows security bypass

      evasiontrojan

    • Disables RegEdit 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.

    • 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

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

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Modify Registry

6
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