Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-08-2024 21:03

General

  • Target

    bf67ca4c80bee07b239b2d1feb0f65be_JaffaCakes118.exe

  • Size

    3.6MB

  • MD5

    bf67ca4c80bee07b239b2d1feb0f65be

  • SHA1

    93257710d02088ac34d0adaf8f8af389dc20e933

  • SHA256

    4ed08a45b8b00ee8d79fcdbfb68468a826fec1022473f440415197aecc1a187b

  • SHA512

    569fc239b69eeb3b7bb7050b525f585e66f3bc87482f521246656f7fd4c3757992d806a8eb108f477cce47676246ae71ba42d91bc57f92586946ab1e36efca42

  • SSDEEP

    49152:wHBaxpAS/DARf7gJ5O9GyyPwhI3T8t3EV:KdW5O0yyqIc

Malware Config

Extracted

Family

remcos

Version

2.7.0 Pro

Botnet

FEBRERO 15

C2

serviciospun.puntofr.cc:6696

Attributes
  • audio_folder

    audio

  • 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

    false

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    FREXCAZ

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    FORTILEX-FFBWFZ

  • 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.

  • Drops file in Windows directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bf67ca4c80bee07b239b2d1feb0f65be_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bf67ca4c80bee07b239b2d1feb0f65be_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2560
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2984
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3052

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    74B

    MD5

    1503de2a4bb48d01716576dd9ffecace

    SHA1

    62d95f443581078c46c57c9eb29a352ccfd8dfe6

    SHA256

    2bd68aa34d2531416b5e66f64205a3dac0761b9a6298431a7a7f8f98ef6d5766

    SHA512

    c0008a9bff22dccacdb34cdaf899c2ae8e3288f96bc89cf6abff1df46c9fad56490a3f3da1f1919c3f488886ff182b0e62461a8bdb27ca3c3eae83ded326cf82

  • memory/2560-6-0x0000000000400000-0x00000000007C6000-memory.dmp

    Filesize

    3.8MB

  • memory/2560-1-0x0000000002800000-0x000000000280A000-memory.dmp

    Filesize

    40KB

  • memory/2560-0-0x00000000027D0000-0x00000000027D1000-memory.dmp

    Filesize

    4KB

  • memory/2560-4-0x00000000027D0000-0x00000000027D1000-memory.dmp

    Filesize

    4KB

  • memory/2560-5-0x0000000002800000-0x000000000280A000-memory.dmp

    Filesize

    40KB

  • memory/2984-3-0x0000000000170000-0x0000000000172000-memory.dmp

    Filesize

    8KB

  • memory/2984-8-0x0000000000510000-0x0000000000518000-memory.dmp

    Filesize

    32KB

  • memory/2984-9-0x0000000004180000-0x00000000041B7000-memory.dmp

    Filesize

    220KB

  • memory/2984-11-0x0000000004180000-0x00000000041B7000-memory.dmp

    Filesize

    220KB

  • memory/2984-2-0x0000000077578000-0x0000000077579000-memory.dmp

    Filesize

    4KB

  • memory/3052-10-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/3052-15-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/3052-18-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB