Overview

overview

10

Static

static

10

6AAA5A5345...61.exe

windows7-x64

10

6AAA5A5345...61.exe

windows10-2004-x64

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General

  • Target

    6AAA5A53455217AB61FAEB5F0F57FB643F594AF50AE61.exe

  • Size

    349KB

  • Sample

    220726-lfbwvabef8

  • MD5

    a95e3e4dbedcc98e826cc682ef8b3fd6

  • SHA1

    54008e19ea4b5b4a452905fa5f7d78b3ecfbfe6e

  • SHA256

    6aaa5a53455217ab61faeb5f0f57fb643f594af50ae613275db528119e3f3715

  • SHA512

    b73e4c4834e0b9de45c0efa8d589264e06b5f858bd393732fde1813c0d64ccc5e054625eaad5dd054f15d34e529d30a5505f84443e749640c5d68b00a8c4c4f5

Score
10/10
darkcomet22evasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

22

C2

kvejo991.ddns.net:1604

Mutex

DC_MUTEX-B50G4BJ

Attributes
  • InstallPath

    MSDCSC\explorer.exe

  • gencode

    JLac09ou37rj

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    explorer

Targets

    • Target

      6AAA5A53455217AB61FAEB5F0F57FB643F594AF50AE61.exe

    • Size

      349KB

    • MD5

      a95e3e4dbedcc98e826cc682ef8b3fd6

    • SHA1

      54008e19ea4b5b4a452905fa5f7d78b3ecfbfe6e

    • SHA256

      6aaa5a53455217ab61faeb5f0f57fb643f594af50ae613275db528119e3f3715

    • SHA512

      b73e4c4834e0b9de45c0efa8d589264e06b5f858bd393732fde1813c0d64ccc5e054625eaad5dd054f15d34e529d30a5505f84443e749640c5d68b00a8c4c4f5

    Score
    10/10
    darkcomet22evasionpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

2
T1031

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

6
T1112

Disabling Security Tools

2
T1089

Hidden Files and Directories

2
T1158

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks