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Analysis

  • max time kernel
    142s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08/01/2025, 22:48

General

  • Target

    JaffaCakes118_b0fcf3f4e8a1443c4822a0fa37460695.exe

  • Size

    497KB

  • MD5

    b0fcf3f4e8a1443c4822a0fa37460695

  • SHA1

    98b2a1484803f0c1057695d2eba5801e670ed63b

  • SHA256

    76d1425757fcdb4c6ddac28a2c7970e743d0f1bf240101d701fc32d5420487cf

  • SHA512

    998b62550107d48146e9abf526537eda8e88f2878e1d9669b2755ab21d02fbfc9c8173221f61a03ddd26231c8cebc5d1a7ff285c08bfaf29d377f9c7ae4cb620

  • SSDEEP

    6144:dZ6PRR6gpvGa9q4A8olUpR1rhhegYUBPsUpxd4CNooxb:dZ6PRH5Ga285rh99BPtxd9SoV

Malware Config

Extracted

Family

remcos

Version

2.0.4 Pro

Botnet

RemoteHost

C2

185.208.211.10:1339

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • 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-JEH3DS

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    90

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family

remcos

Botnet

RemoteHost

C2

185.208.211.10:1339

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • 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-JEH3DS

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    90

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Remcos family
  • Drops startup file 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b0fcf3f4e8a1443c4822a0fa37460695.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b0fcf3f4e8a1443c4822a0fa37460695.exe"
    1⤵
    • Drops startup file
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3032
    • C:\Windows\SysWOW64\calc.exe
      calc.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2760

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    79B

    MD5

    dd110e0533d5fc37414fb0cd21b09b9e

    SHA1

    509253ace3242170e26bb824d2ba198fe964b5a8

    SHA256

    e61e15e733d73ebd7d2e5ed311cbcf94d49961fa9a5b9a2d1e112fcb9591bd2a

    SHA512

    4bc58db81cee78bfd59a5075ba95cd04f67cf75b61b900624b6e0583c08d46e808c74085f6bc8452f48c9bdb0dd7b939d1b977b1e5550de44b19add0258096b9

  • memory/2760-33-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2760-3-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2760-17-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2760-41-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2760-65-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2760-61-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2760-59-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2760-57-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2760-55-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2760-53-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2760-51-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2760-49-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2760-47-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2760-45-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2760-43-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2760-37-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2760-72585-0x00000000777EF000-0x00000000777F0000-memory.dmp

    Filesize

    4KB

  • memory/2760-35-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2760-7-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2760-29-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2760-27-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2760-25-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2760-23-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2760-21-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2760-19-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2760-13-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2760-11-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2760-9-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2760-31-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2760-5-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2760-72561-0x00000000777EF000-0x00000000777F0000-memory.dmp

    Filesize

    4KB

  • memory/2760-72573-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2760-72572-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/3032-72583-0x0000000001EF0000-0x0000000001F6B000-memory.dmp

    Filesize

    492KB

  • memory/3032-0-0x0000000001EF0000-0x0000000001F6B000-memory.dmp

    Filesize

    492KB

  • memory/3032-1-0x00000000777EF000-0x00000000777F0000-memory.dmp

    Filesize

    4KB