Overview

overview

10

Static

static

1b75e1edeb...c4.exe

windows7_x64

10

1b75e1edeb...c4.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    1b75e1edeb875c5218baebebc304a5acab2de18c8970506d4fb0dfcae2ef13c4

  • Size

    6.7MB

  • Sample

    220520-1s85faecd6

  • MD5

    1b6b13653278e38989a3ab4025a69a97

  • SHA1

    4d9573df4054a6cfc2d2d3ea91876368a95e405a

  • SHA256

    1b75e1edeb875c5218baebebc304a5acab2de18c8970506d4fb0dfcae2ef13c4

  • SHA512

    7b9e554a6414f1751addce0b158bfbc107f772c13e6dd52d16989f0f33c0afabe11a4d854afe2614166401cdffdf77564b79db894f2f61556cb91dc5525f325b

Score
10/10
darkcometevasionpersistencerattrojanupx

Malware Config

Targets

    • Target

      1b75e1edeb875c5218baebebc304a5acab2de18c8970506d4fb0dfcae2ef13c4

    • Size

      6.7MB

    • MD5

      1b6b13653278e38989a3ab4025a69a97

    • SHA1

      4d9573df4054a6cfc2d2d3ea91876368a95e405a

    • SHA256

      1b75e1edeb875c5218baebebc304a5acab2de18c8970506d4fb0dfcae2ef13c4

    • SHA512

      7b9e554a6414f1751addce0b158bfbc107f772c13e6dd52d16989f0f33c0afabe11a4d854afe2614166401cdffdf77564b79db894f2f61556cb91dc5525f325b

    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

    • 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

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

1
T1031

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

3
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