Overview

overview

10

Static

static

1

41590f3a8b...64.vbs

windows7-x64

7

41590f3a8b...64.vbs

windows10-2004-x64

10

Sharing

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General

  • Target

    41590f3a8ba3c910f11fd5fa095856d5bc556f20fa4fd6d269aa1be4e08b4c64.vbs

  • Size

    512B

  • Sample

    250131-ecs8dsznhk

  • MD5

    bcc1d6a3c9aeec994cd31f86ada37ae6

  • SHA1

    0b7bb7af96d842cfbb7a89793a4292fec4289a8c

  • SHA256

    41590f3a8ba3c910f11fd5fa095856d5bc556f20fa4fd6d269aa1be4e08b4c64

  • SHA512

    8793e62dc4a9465ef5254e15b3471573a242705dfdf74bd3d09d97c10dd84daf69aa8c0b5c9bc3c5a7302e431fc2ed417b1e6c194da106765e50ad385ea955b7

Score
10/10
hijackloaderremcosv2discoveryloaderrat

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

      41590f3a8ba3c910f11fd5fa095856d5bc556f20fa4fd6d269aa1be4e08b4c64.vbs

    • Size

      512B

    • MD5

      bcc1d6a3c9aeec994cd31f86ada37ae6

    • SHA1

      0b7bb7af96d842cfbb7a89793a4292fec4289a8c

    • SHA256

      41590f3a8ba3c910f11fd5fa095856d5bc556f20fa4fd6d269aa1be4e08b4c64

    • SHA512

      8793e62dc4a9465ef5254e15b3471573a242705dfdf74bd3d09d97c10dd84daf69aa8c0b5c9bc3c5a7302e431fc2ed417b1e6c194da106765e50ad385ea955b7

    Score
    10/10
    hijackloaderremcosv2discoveryloaderrat

    • 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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks