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Overview

overview

10

Static

static

3

2a7e321b57...8d.exe

windows7-x64

10

2a7e321b57...8d.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2a7e321b570eb2d1da85e69873cef59a8da503853450a3301c0486ed1690b58d

  • Size

    1.7MB

  • Sample

    250313-1vv1latxes

  • MD5

    657c459103c56deacd291dd0511e798f

  • SHA1

    38af9361c5e7e4a357d72496309f82cea118f95d

  • SHA256

    2a7e321b570eb2d1da85e69873cef59a8da503853450a3301c0486ed1690b58d

  • SHA512

    952b7f5582da092356f18c61ace3dff08dc0cb2614645b834a268d7fb42c89dd335e320935d3efe9f3b6d598db62af814dfca73444e094baa6b43297eef126cd

  • SSDEEP

    24576:cl77xk/v8zBbP+BSiahTtI65nHl75Dp8Hnh5I+Oks/bGFwNr/gG+A+x5YYAd1KrK:i6/vGqahTas1Qnh5I+k/gGMPA0Pof

Score
10/10
darkcometguest16discoverypersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

xfuego.no-ip.org:22

Mutex

DC_MUTEX-C7W49TJ

Attributes
  • InstallPath

    Windupdt\winupdate.exe

  • gencode

    �h8Jc*c9�rVq

  • install

    true

  • offline_keylogger

    false

  • persistence

    true

  • reg_key

    winupdater

rc4.plain

Targets

    • Target

      2a7e321b570eb2d1da85e69873cef59a8da503853450a3301c0486ed1690b58d

    • Size

      1.7MB

    • MD5

      657c459103c56deacd291dd0511e798f

    • SHA1

      38af9361c5e7e4a357d72496309f82cea118f95d

    • SHA256

      2a7e321b570eb2d1da85e69873cef59a8da503853450a3301c0486ed1690b58d

    • SHA512

      952b7f5582da092356f18c61ace3dff08dc0cb2614645b834a268d7fb42c89dd335e320935d3efe9f3b6d598db62af814dfca73444e094baa6b43297eef126cd

    • SSDEEP

      24576:cl77xk/v8zBbP+BSiahTtI65nHl75Dp8Hnh5I+Oks/bGFwNr/gG+A+x5YYAd1KrK:i6/vGqahTas1Qnh5I+k/gGMPA0Pof

    Score
    10/10
    darkcometguest16discoverypersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • Modifies WinLogon for persistence

      persistence

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks