Overview

overview

10

Static

static

1

secondaryTask.vbs

windows7-x64

7

secondaryTask.vbs

windows10-2004-x64

10

Sharing

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General

  • Target

    secondaryTask.vbs

  • Size

    876B

  • Sample

    241130-aslq2atqez

  • MD5

    183d51767fe58e2bd256688315d25709

  • SHA1

    2c0f959b61081a10a085ad8e8f8741a69e2d9934

  • SHA256

    23723f9b4239194a21bf0df559f9e9df8aec1399899346311c09cdcd91a9f1b0

  • SHA512

    f5c06582247afab9d6f3c60b62334ed93d4ee7e447b0299e8959dbec5620def6fb1a8ea17e3c3537b4e7ff2c6661b5396e78e1688ec6267076b01068572e76ed

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

      secondaryTask.vbs

    • Size

      876B

    • MD5

      183d51767fe58e2bd256688315d25709

    • SHA1

      2c0f959b61081a10a085ad8e8f8741a69e2d9934

    • SHA256

      23723f9b4239194a21bf0df559f9e9df8aec1399899346311c09cdcd91a9f1b0

    • SHA512

      f5c06582247afab9d6f3c60b62334ed93d4ee7e447b0299e8959dbec5620def6fb1a8ea17e3c3537b4e7ff2c6661b5396e78e1688ec6267076b01068572e76ed

    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