Overview

overview

10

Static

static

3

4bef2cd2fa...7N.exe

windows7-x64

10

4bef2cd2fa...7N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4bef2cd2fa39b27d80b17cfcfea9d1c30ec08886d340b106b24774216b62ab57N.exe

  • Size

    574KB

  • Sample

    241211-jrmrdatmgx

  • MD5

    5cfebcfaf8400dba30eebfb8fb26ca40

  • SHA1

    5a7f1f5ebdcd5a6beb1dc1c9efc7f16a3ed0cd30

  • SHA256

    4bef2cd2fa39b27d80b17cfcfea9d1c30ec08886d340b106b24774216b62ab57

  • SHA512

    35da92b03e3e81cb027a6fbf98d4d225a5b4d7d847de900cf3f9ff26cb8f9dfc8c34929f9b419ff62699e72212ecfec2fac38b9307d077a8df33ac511f01f087

  • SSDEEP

    12288:zCyEHAWAdljmJqkC3xMX85FSR2f9A08NIX+Vjwd4G/3z1ET4m3HdsubM:zFhWAfn22m0eD1GPz8HdxI

Score
10/10
darkcometdiscoverypersistencerattrojanupx

Malware Config

Targets

    • Target

      4bef2cd2fa39b27d80b17cfcfea9d1c30ec08886d340b106b24774216b62ab57N.exe

    • Size

      574KB

    • MD5

      5cfebcfaf8400dba30eebfb8fb26ca40

    • SHA1

      5a7f1f5ebdcd5a6beb1dc1c9efc7f16a3ed0cd30

    • SHA256

      4bef2cd2fa39b27d80b17cfcfea9d1c30ec08886d340b106b24774216b62ab57

    • SHA512

      35da92b03e3e81cb027a6fbf98d4d225a5b4d7d847de900cf3f9ff26cb8f9dfc8c34929f9b419ff62699e72212ecfec2fac38b9307d077a8df33ac511f01f087

    • SSDEEP

      12288:zCyEHAWAdljmJqkC3xMX85FSR2f9A08NIX+Vjwd4G/3z1ET4m3HdsubM:zFhWAfn22m0eD1GPz8HdxI

    Score
    10/10
    darkcometdiscoverypersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    • UPX packed file

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

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks