Overview

overview

10

Static

static

24716fe5a1...24.exe

windows7-x64

10

24716fe5a1...24.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    24716fe5a1d2d5f9981444cf994191bf079ce985aff699062f7e7b3dc1644624

  • Size

    836KB

  • Sample

    221201-gx3zfaeh7s

  • MD5

    6f90f939b919550ee51d5c8d628cf6e3

  • SHA1

    372d4f0fe47bd63c6df8a9cc785637126935ca87

  • SHA256

    24716fe5a1d2d5f9981444cf994191bf079ce985aff699062f7e7b3dc1644624

  • SHA512

    346296703898a8673555f4cffad0c2e00cee9495d56442744efee77aec70ed291df98859a08c848ab0f4eafd1fac7e21da31d70a20d80e766486402471ee93da

  • SSDEEP

    24576:GcK0FPnmjaDqRTzhuMC1cwzrZttdIE9qOk2VMJGn:V+aDqXud1PZ69OHVR

Score
10/10
darkcomethardpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

hard

C2

gabrielzinho.no-ip.org:1604

Mutex

DC_MUTEX-ZVWF6UW

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    aUYHsEtnsFw3

  • install

    true

  • offline_keylogger

    true

  • password

    87080060abc

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      24716fe5a1d2d5f9981444cf994191bf079ce985aff699062f7e7b3dc1644624

    • Size

      836KB

    • MD5

      6f90f939b919550ee51d5c8d628cf6e3

    • SHA1

      372d4f0fe47bd63c6df8a9cc785637126935ca87

    • SHA256

      24716fe5a1d2d5f9981444cf994191bf079ce985aff699062f7e7b3dc1644624

    • SHA512

      346296703898a8673555f4cffad0c2e00cee9495d56442744efee77aec70ed291df98859a08c848ab0f4eafd1fac7e21da31d70a20d80e766486402471ee93da

    • SSDEEP

      24576:GcK0FPnmjaDqRTzhuMC1cwzrZttdIE9qOk2VMJGn:V+aDqXud1PZ69OHVR

    Score
    10/10
    darkcomethardpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks