Overview

overview

10

Static

static

1

bdb79800e4...49.msi

windows7-x64

6

bdb79800e4...49.msi

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    bdb79800e4177b59b3830ae7cc996a41fc2b560593e7b51e02408c062f8d4449.msi

  • Size

    3.1MB

  • Sample

    241201-de23msvkcy

  • MD5

    028578212baa7456aae40d4bdb5792e5

  • SHA1

    fd9037a16f327a64f8b2fd8ff9f6664ae307ca39

  • SHA256

    bdb79800e4177b59b3830ae7cc996a41fc2b560593e7b51e02408c062f8d4449

  • SHA512

    66961e2be5b19aa30c2bb50f7ca502aa8e451299b2f1b5a6b9f3e6c82486e13dd9f18857553e8ff65912ffea9708ed8cab6da704c1bf5bba57944143ca7b1867

  • SSDEEP

    49152:muoukMo27Epq0n8Toc4Ur8r6F5mCmR+Ov0Rn0rItYcuwwERO9qZFTvqPvO6Ezvsk:1Yn8ToWo6AvAYcuwr9qrn

Score
10/10
hijackloaderremcosv2discoveryexecutionloaderpersistenceprivilege_escalationrat

Malware Config

Extracted

Family

remcos

Botnet

v2

C2

185.157.162.126:1995

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    qsdazeazd-EL00KX

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      bdb79800e4177b59b3830ae7cc996a41fc2b560593e7b51e02408c062f8d4449.msi

    • Size

      3.1MB

    • MD5

      028578212baa7456aae40d4bdb5792e5

    • SHA1

      fd9037a16f327a64f8b2fd8ff9f6664ae307ca39

    • SHA256

      bdb79800e4177b59b3830ae7cc996a41fc2b560593e7b51e02408c062f8d4449

    • SHA512

      66961e2be5b19aa30c2bb50f7ca502aa8e451299b2f1b5a6b9f3e6c82486e13dd9f18857553e8ff65912ffea9708ed8cab6da704c1bf5bba57944143ca7b1867

    • SSDEEP

      49152:muoukMo27Epq0n8Toc4Ur8r6F5mCmR+Ov0Rn0rItYcuwwERO9qZFTvqPvO6Ezvsk:1Yn8ToWo6AvAYcuwr9qrn

    Score
    10/10
    discoverypersistenceprivilege_escalationhijackloaderremcosv2executionloaderrat

    • Detects HijackLoader (aka IDAT Loader)

    • HijackLoader

      HijackLoader is a multistage loader first seen in 2023.

      loaderhijackloader

    • Hijackloader family

      hijackloader

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

      ratremcos

    • Remcos family

      remcos

    • Use of msiexec (install) with remote resource

    • Blocklisted process makes network request

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Checks computer location settings

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

    • Command and Scripting Interpreter: PowerShell

      Start PowerShell.

      execution

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks