Overview

overview

10

Static

static

3

setup.exe

windows10-2004-x64

10

setup.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    JaffaCakes118_ba52bfc4275afe6693c885a0e0a249a5

  • Size

    675KB

  • Sample

    250417-vcrybsxlv6

  • MD5

    ba52bfc4275afe6693c885a0e0a249a5

  • SHA1

    ee24219b42f86ef4dd0a9e8c4eb39945e10faf78

  • SHA256

    74f53540e84983f13274e5b0e9f9f73f9a4033306d6829154bfb21842cf38bb8

  • SHA512

    21e2a2c2baa661e8dff9ac29593bd893c9d258d9bc2e25b13bcb4832988d278092769992ee87088e657ff46e69f8b5c66d540ca78146e364289b2a404015c20a

  • SSDEEP

    12288:+okuq4tpQff9j7nTJKXwGlB+ANyjaBDKRnxhXmoy0L6sj+xNOMvblcTE4TzgZU9:+bCDmfZ7nTRGWA2w10zqiqblcqK9

Score
10/10
darkcometguest16discoverypersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

giviker.zapto.org:100

127.0.0.1:81
Mutex

DC_MUTEX-V8U94FG

Attributes
  • InstallPath

    Windupdate\winupdate.exe

  • gencode

    g4pACYv8bQ%*

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    winupdate

rc4.plain

Targets

    • Target

      setup.exe

    • Size

      712KB

    • MD5

      3d30882dd83cdbcb727fa9fe6f93180a

    • SHA1

      b4a951c7fe04688c25f91ccb887b8dc22fc759fd

    • SHA256

      1491e9e9a7feaba77ea5f3114cf10dc279e57f807bc5ab0a7044b8eb8df1377c

    • SHA512

      d0f2d0d83b5860982debe6118a74cb43d5b1f699deab73c73f79a24c19181bd796ab869d74fc46a8b76e49f0f516fb54b61c10ae5d5c662899f087d035fdda7b

    • SSDEEP

      12288:/kfaC8uq4tpQxf91tnVhKLw8lx+AByjQBDKRXxhXQoy0LEsj+xNcMvbTcvE4Tzgu:J/CD6fntnVX8yASqx0Fq4qbTcef2

    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

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks