Overview

overview

10

Static

static

10

8ce660126f...ad.exe

windows7-x64

10

8ce660126f...ad.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8ce660126f62daa38399afae4f53c3a69dbad816b6030daae4f43566964595ad

  • Size

    253KB

  • Sample

    220725-ah8g2sefh2

  • MD5

    a1af7a30f3b145b0638608e49b2bb927

  • SHA1

    c3ff6ff1b941e39754737e5213f48a14424387f6

  • SHA256

    8ce660126f62daa38399afae4f53c3a69dbad816b6030daae4f43566964595ad

  • SHA512

    8a62140b69e39c27b91468a324b12b342c4f65bcb405071c024e8ca5c26ddde43093a198365a85001350eec48a7823341da82ab3fa9cf7ab5ebeb58245354e4c

Score
10/10
darkcometguest16evasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

zl5.hopto.org:1604

zl5.hopto.org:27015
Mutex

DC_MUTEX-0Q5LT4L

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    uVsihbkxVDZL

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      8ce660126f62daa38399afae4f53c3a69dbad816b6030daae4f43566964595ad

    • Size

      253KB

    • MD5

      a1af7a30f3b145b0638608e49b2bb927

    • SHA1

      c3ff6ff1b941e39754737e5213f48a14424387f6

    • SHA256

      8ce660126f62daa38399afae4f53c3a69dbad816b6030daae4f43566964595ad

    • SHA512

      8a62140b69e39c27b91468a324b12b342c4f65bcb405071c024e8ca5c26ddde43093a198365a85001350eec48a7823341da82ab3fa9cf7ab5ebeb58245354e4c

    Score
    10/10
    darkcometguest16evasionpersistencerattrojanupx

    • 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

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • 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.

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence
    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

7
T1112

Disabling Security Tools

2
T1089

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