Overview

overview

10

Static

static

10

8ee7e2417b...f1.exe

windows7_x64

10

8ee7e2417b...f1.exe

windows10_x64

10

Sharing

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General

  • Target

    8ee7e2417bc13dfaadd514daa45ce52d9f1838ce47fd7429105117f5b06930f1

  • Size

    658KB

  • Sample

    210504-lek34f3f5j

  • MD5

    ed648fd6199693419b348bde3477c6b8

  • SHA1

    289b13ef04fe88efb0cc9131c183d924dcfe1c75

  • SHA256

    8ee7e2417bc13dfaadd514daa45ce52d9f1838ce47fd7429105117f5b06930f1

  • SHA512

    461be60ece2bc57899fd6c9f4f57dcf3d51488f43782a3637fa0deca6140610a5d8b4d133c8253d23824fc7bd1941e605d3c20b266394e1763a6d35785e98fea

Score
10/10
darkcometallevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

all

C2

127.0.0.1:1604

Mutex

DC_MUTEX-TXHMS77

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    8Z63PmylbyiK

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      8ee7e2417bc13dfaadd514daa45ce52d9f1838ce47fd7429105117f5b06930f1

    • Size

      658KB

    • MD5

      ed648fd6199693419b348bde3477c6b8

    • SHA1

      289b13ef04fe88efb0cc9131c183d924dcfe1c75

    • SHA256

      8ee7e2417bc13dfaadd514daa45ce52d9f1838ce47fd7429105117f5b06930f1

    • SHA512

      461be60ece2bc57899fd6c9f4f57dcf3d51488f43782a3637fa0deca6140610a5d8b4d133c8253d23824fc7bd1941e605d3c20b266394e1763a6d35785e98fea

    Score
    10/10
    darkcometallevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • 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.

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Hidden Files and Directories

2
T1158

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks