Overview

overview

10

Static

static

3

connectupdater0.1.exe

windows7-x64

10

connectupdater0.1.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    connectupdater0.1.exe

  • Size

    1.4MB

  • Sample

    230901-gtg8kadb77

  • MD5

    bbc0babb2a01f2e0c900003e363e81bc

  • SHA1

    80c5b31ee86ff3b2d87e02808b0476bb11a16892

  • SHA256

    f51e1b98e5ae108f67b946dc995fc9561e424a8454e21c4e87efa0360713d807

  • SHA512

    e018b3e35ab9d40b9545aa777a940c8e984a0965716bde36845fab9cb86bb8e9cf5dedc86481b4dac4bb4270d3f5a94137b10b37f04ad289eedc7cfdcd437b87

  • SSDEEP

    24576:QmkGpq5R3zYs5PXu32Z3Ey8R7rgHE8CyuKSFf3sR99G5DCX+F:QmyPVe3JAE9sT9U

Score
10/10
remcosedgeupdaterpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

EdgeUpdater

C2

rornfl12.duckdns.org:2405

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    Edgeupdater.exe

  • copy_folder

    microsoftEdge

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-NZEE04

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Edgeupdater

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      connectupdater0.1.exe

    • Size

      1.4MB

    • MD5

      bbc0babb2a01f2e0c900003e363e81bc

    • SHA1

      80c5b31ee86ff3b2d87e02808b0476bb11a16892

    • SHA256

      f51e1b98e5ae108f67b946dc995fc9561e424a8454e21c4e87efa0360713d807

    • SHA512

      e018b3e35ab9d40b9545aa777a940c8e984a0965716bde36845fab9cb86bb8e9cf5dedc86481b4dac4bb4270d3f5a94137b10b37f04ad289eedc7cfdcd437b87

    • SSDEEP

      24576:QmkGpq5R3zYs5PXu32Z3Ey8R7rgHE8CyuKSFf3sR99G5DCX+F:QmyPVe3JAE9sT9U

    Score
    10/10
    remcosedgeupdaterpersistencerat

    • Remcos

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

      ratremcos

    • Adds policy Run key to start application

      persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks