Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/05/2024, 10:19

General

  • Target
    399ae180ff34a4ae3beafdea619326ae_JaffaCakes118.exe
  • Size 1.2MB
  • Sample240512-mch2eseb69
  • SHA256 d2bf2e9f869fda26610181516e5d34c988112624600e9b977b6912a1b0432e0b
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • remcos

Version
  • 2.2.0 Pro

Botnet
  • ppnet

C2
  • DEDETSARDFKJH.RU:1530

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    3

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    update.dat

  • keylog_flag

    false

  • keylog_folder

    Winrar

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    ggnet-1A5CYF

  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\399ae180ff34a4ae3beafdea619326ae_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\399ae180ff34a4ae3beafdea619326ae_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1020
    • C:\Users\Admin\AppData\Local\Temp\399ae180ff34a4ae3beafdea619326ae_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\399ae180ff34a4ae3beafdea619326ae_JaffaCakes118.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:4976
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\SysWOW64\schtasks.exe" /create /tn CapabilityAccessManagerClient /tr "C:\Users\Admin\APHostClient\UIMgrBroker.exe" /sc minute /mo 1 /F
      2⤵
      • Creates scheduled task(s)
      PID:5112
  • 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 --no-appcompat-clear --field-trial-handle=3452,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=1300 /prefetch:8
    1⤵
      PID:1320
    • C:\Users\Admin\APHostClient\UIMgrBroker.exe
      C:\Users\Admin\APHostClient\UIMgrBroker.exe
      1⤵
      • Executes dropped EXE
      PID:3640

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          UIMgrBroker.exe

          • Path C:\Users\Admin\APHostClient\UIMgrBroker.exe
          • Size 1.2MB
          • SHA256 d2bf2e9f869fda26610181516e5d34c988112624600e9b977b6912a1b0432e0b
          • MD5 SHA1 SHA512 SSDEEP

          memory/1020-7-0x00000000005B0000-0x00000000005B1000-memory.dmp

          memory/4976-1-0x0000000000400000-0x0000000000420000-memory.dmp

          memory/4976-8-0x0000000000400000-0x0000000000420000-memory.dmp

          memory/4976-9-0x0000000000400000-0x0000000000420000-memory.dmp

          memory/4976-12-0x0000000000400000-0x0000000000420000-memory.dmp