Overview

overview

10

Static

static

10

81ba1230c4...48.exe

windows7-x64

10

81ba1230c4...48.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    81ba1230c4e8964a7cea64012eb8eb22d0f5e13ea041f9a1300b62220a80c348

  • Size

    647KB

  • Sample

    221201-lzzr1sgb57

  • MD5

    93572b16175cbad5d5f84a94ffe3a92e

  • SHA1

    63cd63ca8af639b3f06747b652ae46fcae0c24c0

  • SHA256

    81ba1230c4e8964a7cea64012eb8eb22d0f5e13ea041f9a1300b62220a80c348

  • SHA512

    1f1c2e2d52f05b14430d7ea9aa44fd400bab52ce9982cba3b0035921d348107c9e1051c856a7f3a0c9bd9d68a793ef5dac563c9446355b189e4e3ed0a57ffebf

  • SSDEEP

    12288:Q8UaT9XY2siA0bMG09xD7I3Gg8ecgVvfBoCDBOQQYbVXpuy1f/gORixL:JUKoN0bUxgGa/pfBHDb+y1HgZl

Score
10/10
darkcometevasionpersistencerattrojan

Malware Config

Targets

    • Target

      81ba1230c4e8964a7cea64012eb8eb22d0f5e13ea041f9a1300b62220a80c348

    • Size

      647KB

    • MD5

      93572b16175cbad5d5f84a94ffe3a92e

    • SHA1

      63cd63ca8af639b3f06747b652ae46fcae0c24c0

    • SHA256

      81ba1230c4e8964a7cea64012eb8eb22d0f5e13ea041f9a1300b62220a80c348

    • SHA512

      1f1c2e2d52f05b14430d7ea9aa44fd400bab52ce9982cba3b0035921d348107c9e1051c856a7f3a0c9bd9d68a793ef5dac563c9446355b189e4e3ed0a57ffebf

    • SSDEEP

      12288:Q8UaT9XY2siA0bMG09xD7I3Gg8ecgVvfBoCDBOQQYbVXpuy1f/gORixL:JUKoN0bUxgGa/pfBHDb+y1HgZl

    Score
    10/10
    darkcometevasionpersistencerattrojan

    • 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

    • Executes dropped EXE

    • 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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks