Overview

overview

10

Static

static

10

2ae7eb3e13...cd.exe

windows7-x64

10

2ae7eb3e13...cd.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd

  • Size

    658KB

  • Sample

    220725-f1va2agebj

  • MD5

    8b2343d0b1e7d35b30b402478387da19

  • SHA1

    43adb71190172e05cda78a05f8643d0fe7a8c332

  • SHA256

    2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd

  • SHA512

    1bc38d51419909efcc438a1d77825514fdd251ddcfe50223c116ac3cb9d53466f8b773cea467918413315753db75c2204226a371b673363dc93ab80cd92d3478

Score
10/10
darkcometallevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

ALL

C2

192.168.1.43:6666

Mutex

DC_MUTEX-0ZMB0MX

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    iGiHgd2SDyqC

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd

    • Size

      658KB

    • MD5

      8b2343d0b1e7d35b30b402478387da19

    • SHA1

      43adb71190172e05cda78a05f8643d0fe7a8c332

    • SHA256

      2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd

    • SHA512

      1bc38d51419909efcc438a1d77825514fdd251ddcfe50223c116ac3cb9d53466f8b773cea467918413315753db75c2204226a371b673363dc93ab80cd92d3478

    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