Overview

overview

10

Static

static

10

87dea80920...29.exe

windows7-x64

10

87dea80920...29.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    87dea80920507993972b2c91a64d3265f42a481cca5b70132b0541cdc718eb29

  • Size

    635KB

  • Sample

    221202-rlf1msac2z

  • MD5

    0d75761eaf8a4e85a54b6a46402c5ba8

  • SHA1

    fc3f455daeb7337c95490a55ef170f14d7aac6af

  • SHA256

    87dea80920507993972b2c91a64d3265f42a481cca5b70132b0541cdc718eb29

  • SHA512

    8227d60b86ca48b2b0dcea23e8e371eb64152168637c1640f79f6e4bb818300b8c742c1586d094f135fc7eaf6a56e08f7000c278d5c445e13147857a58c17c79

  • SSDEEP

    12288:jwABK90BOe/x9lPAYvxPQVjdsAY2XjWlnlpTMMXG91uhKIXn/D:jwAcu99lPzvxP+Bsz2XjWTRMQckkIXn7

Score
10/10
darkcometpersistencerattrojan

Malware Config

Targets

    • Target

      87dea80920507993972b2c91a64d3265f42a481cca5b70132b0541cdc718eb29

    • Size

      635KB

    • MD5

      0d75761eaf8a4e85a54b6a46402c5ba8

    • SHA1

      fc3f455daeb7337c95490a55ef170f14d7aac6af

    • SHA256

      87dea80920507993972b2c91a64d3265f42a481cca5b70132b0541cdc718eb29

    • SHA512

      8227d60b86ca48b2b0dcea23e8e371eb64152168637c1640f79f6e4bb818300b8c742c1586d094f135fc7eaf6a56e08f7000c278d5c445e13147857a58c17c79

    • SSDEEP

      12288:jwABK90BOe/x9lPAYvxPQVjdsAY2XjWlnlpTMMXG91uhKIXn/D:jwAcu99lPzvxP+Bsz2XjWTRMQckkIXn7

    Score
    10/10
    darkcometpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • 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

4
T1012

System Information Discovery

5
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks