Analysis

  • max time kernel
    148s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 16:19

General

  • Target

    Order Confirmation 10184.gz.exe

  • Size

    3.5MB

  • MD5

    df2ace5c6db82428462e74d47d0465bf

  • SHA1

    ad0284fecf66d6b740fde18c1929aeabd8f3c83d

  • SHA256

    eda27c1bb7dbc080b1db6b379e99b435a4bece82d82ac57265fc46e4998ee387

  • SHA512

    153035ccb7b7bcf94367717cc4fbe70947bf4de5de33b5fea673e24348e2e0f0f9381b73c47af1f860c12e00b49cb7f058f053415b08e716fd3b087a4b5a01fe

  • SSDEEP

    24576:ULBjHOz3eHyTm8o0NQVwDigJIeOjBKw31I:UNLOz3eHyTm8bOVHuOjBKw31I

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:52121

officerem.duckdns.org:52121

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

    Rmc-6GPUH1

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Order Confirmation 10184.gz.exe
    "C:\Users\Admin\AppData\Local\Temp\Order Confirmation 10184.gz.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2532
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4732
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
      2⤵
        PID:3884
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1020,i,11708048364682646792,608099842549576907,262144 --variations-seed-version --mojo-platform-channel-handle=1420 /prefetch:8
      1⤵
        PID:2892

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2532-10-0x00007FF865960000-0x00007FF866421000-memory.dmp

        Filesize

        10.8MB

      • memory/2532-1-0x000002180DAD0000-0x000002180DAD8000-memory.dmp

        Filesize

        32KB

      • memory/2532-2-0x0000021827F10000-0x0000021827FDC000-memory.dmp

        Filesize

        816KB

      • memory/2532-3-0x00007FF865960000-0x00007FF866421000-memory.dmp

        Filesize

        10.8MB

      • memory/2532-0-0x00007FF865963000-0x00007FF865965000-memory.dmp

        Filesize

        8KB

      • memory/4732-12-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4732-14-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4732-8-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4732-7-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4732-9-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4732-5-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4732-11-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4732-4-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4732-13-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4732-6-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4732-15-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4732-18-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4732-19-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4732-20-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4732-21-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4732-22-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4732-23-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4732-24-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4732-25-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4732-26-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB