Overview

overview

10

Static

static

10

1b306c2602...3f.exe

windows7_x64

10

1b306c2602...3f.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    1b306c2602d71c1b39a6972d2c8607e544edb2eeab17b423729a0c1b0f340f3f

  • Size

    690KB

  • Sample

    220630-xqbjlshagm

  • MD5

    3a22854e13ec22a99aaf693ca81d2898

  • SHA1

    8c59c824bc38b6aa0f2310752b4d6c96104f40a4

  • SHA256

    1b306c2602d71c1b39a6972d2c8607e544edb2eeab17b423729a0c1b0f340f3f

  • SHA512

    ca18233f933509679c74469a23487c5bb3f9e7a48aca9ba98e76d7201b679097c1af4aadf77ef3dbbee1d008d8806d418eb9c7c4fd0a85c38bf4b9d7b726a9fa

Score
10/10
darkcometallevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

ALL

C2

78.179.195.97:1604

Mutex

DC_MUTEX-G42FP02

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    AYYXG1rhBfzD

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      1b306c2602d71c1b39a6972d2c8607e544edb2eeab17b423729a0c1b0f340f3f

    • Size

      690KB

    • MD5

      3a22854e13ec22a99aaf693ca81d2898

    • SHA1

      8c59c824bc38b6aa0f2310752b4d6c96104f40a4

    • SHA256

      1b306c2602d71c1b39a6972d2c8607e544edb2eeab17b423729a0c1b0f340f3f

    • SHA512

      ca18233f933509679c74469a23487c5bb3f9e7a48aca9ba98e76d7201b679097c1af4aadf77ef3dbbee1d008d8806d418eb9c7c4fd0a85c38bf4b9d7b726a9fa

    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