Overview

overview

10

Static

static

10

3d04594eff...d6.exe

windows7_x64

10

3d04594eff...d6.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    3d04594eff098470ca30f44f76eff4fb2a7d3b32e45ee204b65c36a5c2fc2dd6

  • Size

    252KB

  • Sample

    220520-1m3qgaeba4

  • MD5

    851eaea1aeb48c7a645091fe7a71563f

  • SHA1

    48708af16d389550d8222a44d61a90915580f42c

  • SHA256

    3d04594eff098470ca30f44f76eff4fb2a7d3b32e45ee204b65c36a5c2fc2dd6

  • SHA512

    30f3e98ec13b38a955883a8bee81ff493c309a05a74bda5a4ac772b9e741e904a5c9adcfb024170ba15eaa71915c0dbe4d084d02a2655c534d28b826e6c7a00f

Score
10/10
darkcometguest16evasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

37.45.181.235:1604

coldwarn.ddns.net:1604

coldwarn.ddns.net:8621
Mutex

DC_MUTEX-J03NXGL

Attributes
  • InstallPath

    MSDC1SC\msd1csc.exe

  • gencode

    Sl1ECE8fjAr5

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate1

Targets

    • Target

      3d04594eff098470ca30f44f76eff4fb2a7d3b32e45ee204b65c36a5c2fc2dd6

    • Size

      252KB

    • MD5

      851eaea1aeb48c7a645091fe7a71563f

    • SHA1

      48708af16d389550d8222a44d61a90915580f42c

    • SHA256

      3d04594eff098470ca30f44f76eff4fb2a7d3b32e45ee204b65c36a5c2fc2dd6

    • SHA512

      30f3e98ec13b38a955883a8bee81ff493c309a05a74bda5a4ac772b9e741e904a5c9adcfb024170ba15eaa71915c0dbe4d084d02a2655c534d28b826e6c7a00f

    Score
    10/10
    darkcometevasionpersistencerattrojanupx

    • 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 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.

    • Deletes itself

    • 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