Analysis

  • max time kernel
    154s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-12-2024 00:30

General

  • Target

    JaffaCakes118_668e081d5631d8d67d75b0beff5810c77b57be6d20a224dd67e33bfc0fd4ecac.exe

  • Size

    761.8MB

  • MD5

    f779e44c4a79ea0720110af44445d4c9

  • SHA1

    56abf0b32840a683796f8170794a8f1fa10c13d6

  • SHA256

    668e081d5631d8d67d75b0beff5810c77b57be6d20a224dd67e33bfc0fd4ecac

  • SHA512

    36b13dba365c3d7364839096c82fee5b634c2f0988bc262fd41d4ec1e2dff0ba683511f16a16521241cd080bc4e1bf1d55d9bfaf7a90831942163ccad6941feb

  • SSDEEP

    24576:xhOl/4P7lv23n0/Lu9VMwiS0pDnE4mB2oKQMDE7jDF56zuc8PYCY2qhxgCsR+Tq+:K4ThwsQB2o425YCJqhxgCsIeEOJi

Malware Config

Extracted

Family

remcos

Botnet

thorami

C2

thorami.duckdns.org:2404

80.76.51.46:2404

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    hrtranp.exe

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    hjpbvkl.dat

  • keylog_flag

    false

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    hdgnoftngtha-KQESCC

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    djureko

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Remcos family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_668e081d5631d8d67d75b0beff5810c77b57be6d20a224dd67e33bfc0fd4ecac.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_668e081d5631d8d67d75b0beff5810c77b57be6d20a224dd67e33bfc0fd4ecac.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4488
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\system32\schtasks.exe" /create /tn COMSurrogate /f /sc onlogon /rl highest /tr "C:\Users\Admin\Gihikag kot\Xof mefipeve peb nelixaki yilepo.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1608
    • C:\Users\Admin\Gihikag kot\Xof mefipeve peb nelixaki yilepo.exe
      "C:\Users\Admin\Gihikag kot\Xof mefipeve peb nelixaki yilepo.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:888
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c chcp 65001 && ping 127.0.0.1 && DEL /F /S /Q /A "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_668e081d5631d8d67d75b0beff5810c77b57be6d20a224dd67e33bfc0fd4ecac.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:392
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1592
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:1476

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/888-11-0x0000000002ED0000-0x0000000003038000-memory.dmp

    Filesize

    1.4MB

  • memory/888-13-0x000000000E350000-0x000000000E884000-memory.dmp

    Filesize

    5.2MB

  • memory/888-14-0x000000000E350000-0x000000000E884000-memory.dmp

    Filesize

    5.2MB

  • memory/888-15-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/888-32-0x0000000002ED0000-0x0000000003038000-memory.dmp

    Filesize

    1.4MB

  • memory/888-35-0x000000000E350000-0x000000000E884000-memory.dmp

    Filesize

    5.2MB

  • memory/4488-0-0x0000000002820000-0x0000000002988000-memory.dmp

    Filesize

    1.4MB

  • memory/4488-7-0x0000000002820000-0x0000000002988000-memory.dmp

    Filesize

    1.4MB

  • memory/4488-12-0x0000000002820000-0x0000000002988000-memory.dmp

    Filesize

    1.4MB