Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-en
  • submitted
    13-09-2021 17:21

General

  • Target

    SPT DRINGENDE BESTELLUNG _8764,pdf.exe

  • Size

    676KB

  • MD5

    450a59c6c7ede711686a440512f43d6f

  • SHA1

    1f5fa31634f0d2c89d1830eb661b9be14c557109

  • SHA256

    c59486b92412715f3983c387151585447d71eada63a5e571d97a8556e3efee47

  • SHA512

    5693f24eb0c74b29a2a3bc58010482fbada4df19b58fdc6c7e161a59eac100fc5358e133ef51624df809372ca686989c201551db26ca1be2cf72c9f40472e1b8

Malware Config

Extracted

Family

remcos

Version

3.2.1 Pro

Botnet

CELEBRATION

C2

ongod4ever.ddns.net:3030

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-FCUJUB

  • 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

  • take_screenshot_title

    notepad;solitaire;

Signatures

  • Remcos

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

  • suricata: ET MALWARE Remocs 3.x Unencrypted Checkin

    suricata: ET MALWARE Remocs 3.x Unencrypted Checkin

  • suricata: ET MALWARE Remocs 3.x Unencrypted Server Response

    suricata: ET MALWARE Remocs 3.x Unencrypted Server Response

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SPT DRINGENDE BESTELLUNG _8764,pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\SPT DRINGENDE BESTELLUNG _8764,pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2024
    • C:\Users\Admin\AppData\Local\Temp\SPT DRINGENDE BESTELLUNG _8764,pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\SPT DRINGENDE BESTELLUNG _8764,pdf.exe"
      2⤵
        PID:1684

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1684-54-0x000000000042F71D-mapping.dmp
    • memory/1684-57-0x0000000000400000-0x0000000000479000-memory.dmp
      Filesize

      484KB

    • memory/2024-53-0x00000000764D1000-0x00000000764D3000-memory.dmp
      Filesize

      8KB

    • memory/2024-56-0x0000000000180000-0x0000000000182000-memory.dmp
      Filesize

      8KB