Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-03-2024 20:16

General

  • Target

    2bd00003a9b9f5ba28316b1ab9fa43b1_JaffaCakes118.exe

  • Size

    716KB

  • MD5

    2bd00003a9b9f5ba28316b1ab9fa43b1

  • SHA1

    d042c63fae4cb5aea3b0356077a92f45f751a546

  • SHA256

    333b4d4d8ba6b00d0500af8555909fd28a9b166ca7ec753ee3bcd262359397e2

  • SHA512

    4d9dff492505787e48e05944dd88d24ae748c39423c320e00df67352bd3766486b3c394d12f3308dd89bac5ad92c5cb4a870a625c62dc9db9d87da375a0292f0

  • SSDEEP

    12288:YSGQ6/NInfYTy0I4DU1kTWI4buOeBEN6PXnwfqGUu9RpctEXZ6vEU9LT0:LZfYuzEUAWwfRXn5o+Rs+k

Score
10/10

Malware Config

Extracted

Family

remcos

Version

3.3.0 Pro

Botnet

RemoteHost

C2

salford1.ddns.net:2404

salford2.ddns.net:2404

salford3.ddns.net:2404

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-EOP31A

  • 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

    wikipedia;solitaire;

Signatures

  • Remcos

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

  • 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 behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2bd00003a9b9f5ba28316b1ab9fa43b1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2bd00003a9b9f5ba28316b1ab9fa43b1_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2800
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\2bd00003a9b9f5ba28316b1ab9fa43b1_JaffaCakes118.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2388
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ESxaCYxjHn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp390A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2528
    • C:\Users\Admin\AppData\Local\Temp\2bd00003a9b9f5ba28316b1ab9fa43b1_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\2bd00003a9b9f5ba28316b1ab9fa43b1_JaffaCakes118.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:2364

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\remcos\logs.dat

    Filesize

    148B

    MD5

    0aa06d72637f45ade5ed8aa221cb7333

    SHA1

    3ac571adb58192abd0d4a8e85156068a2908dd6a

    SHA256

    e8039dc128a6763546886dea2050e9a51c956b24ce764692f8cd8bb504a89401

    SHA512

    7617d1a162a212cebf16a60bf3fb7ca385d7e914e6cf1ebede57157d3023aa595b03841a5b7eaa9eade8323dc5351d53a01ec1a827e292d03072ddc2ae7f498e

  • memory/2364-24-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/2364-36-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/2364-22-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/2364-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2364-37-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/2364-33-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/2364-12-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/2364-13-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/2364-14-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/2364-16-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/2364-18-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/2364-20-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/2364-32-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/2364-30-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/2388-38-0x000000006E9B0000-0x000000006EF5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2388-42-0x000000006E9B0000-0x000000006EF5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2388-41-0x00000000025D0000-0x0000000002610000-memory.dmp

    Filesize

    256KB

  • memory/2388-40-0x00000000025D0000-0x0000000002610000-memory.dmp

    Filesize

    256KB

  • memory/2388-39-0x000000006E9B0000-0x000000006EF5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2800-2-0x0000000004C40000-0x0000000004C80000-memory.dmp

    Filesize

    256KB

  • memory/2800-5-0x0000000004C40000-0x0000000004C80000-memory.dmp

    Filesize

    256KB

  • memory/2800-34-0x00000000743A0000-0x0000000074A8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2800-6-0x0000000007E40000-0x0000000007EDC000-memory.dmp

    Filesize

    624KB

  • memory/2800-4-0x00000000743A0000-0x0000000074A8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2800-3-0x00000000003E0000-0x00000000003EE000-memory.dmp

    Filesize

    56KB

  • memory/2800-1-0x00000000743A0000-0x0000000074A8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2800-0-0x0000000000DC0000-0x0000000000E7C000-memory.dmp

    Filesize

    752KB