Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250610-en
  • resource tags

    arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    05/07/2025, 11:43

General

  • Target
    JaffaCakes118_1d5c2c55fd6b98c501449691b9c990c0.exe
  • Size 1.2MB
  • Sample250705-nvjlcaypy2
  • SHA256 5cf1b24ce0b3901ced696e1395d48002f6fa99a8a4c37207345269434a59c7f5
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Osiris family
  • Executes dropped EXE 3 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Uses Tor communications 1 TTPs

    Malware can proxy its traffic through Tor for more anonymity.

  • Drops file in Windows directory 2 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 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1d5c2c55fd6b98c501449691b9c990c0.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1d5c2c55fd6b98c501449691b9c990c0.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3916
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:964
      • C:\Users\Admin\AppData\Local\Temp\cmd.exe
        "C:\Users\Admin\AppData\Local\Temp\cmd.exe"
        3⤵
        • Executes dropped EXE
        PID:7336
      • C:\Users\Admin\AppData\Local\Temp\cmd.exe
        "C:\Users\Admin\AppData\Local\Temp\cmd.exe"
        3⤵
        • Executes dropped EXE
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:8068
        • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
          "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
          4⤵
          • Executes dropped EXE
          PID:8332

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        GetX64BTIT.exe

        • Path C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
        • Size 3KB
        • SHA256 91f1023142b7babf6ff75dad984c2a35bde61dc9e61f45483f4b65008576d581
        • MD5 SHA1 SHA512

        cmd.exe

        • Path C:\Users\Admin\AppData\Local\Temp\cmd.exe
        • Size 245KB
        • SHA256 f7e7b369570438578e6988abe90b26568773e967696979aac8fb72303f149126
        • MD5 SHA1 SHA512 SSDEEP

        x64btit.txt

        • Path C:\Users\Admin\AppData\Local\Temp\x64btit.txt
        • Size 28B
        • SHA256 fe609b16f53c25574dcd513bba9897ac244735f6383811552f22cc861e94757c
        • MD5 SHA1 SHA512

        RemoveMenu

        • Path C:\Windows\RemoveMenu
        • Size 47B
        • SHA256 aca64ce1afe69e6c7826171991f91d299bdf271eb2af4cfcabacac28a0bcb635
        • MD5 SHA1 SHA512

        memory/964-42314-0x0000000000860000-0x0000000000868000-memory.dmp

        memory/964-42324-0x00000000046F0000-0x0000000004774000-memory.dmp

        memory/964-42309-0x0000000000220000-0x0000000000222000-memory.dmp

        memory/964-42315-0x00000000046F0000-0x0000000004774000-memory.dmp

        memory/3916-25982-0x0000000000C40000-0x0000000000C41000-memory.dmp

        memory/3916-42311-0x0000000000C90000-0x0000000000C9A000-memory.dmp

        memory/3916-42310-0x0000000000400000-0x0000000000547000-memory.dmp

        memory/3916-42308-0x0000000000C90000-0x0000000000C9A000-memory.dmp

        memory/3916-0-0x0000000000C40000-0x0000000000C41000-memory.dmp

        memory/3916-23491-0x0000000000400000-0x0000000000547000-memory.dmp

        memory/8068-42330-0x0000000000400000-0x000000000049F000-memory.dmp

        memory/8068-42340-0x0000000000400000-0x000000000049F000-memory.dmp

        memory/8068-42332-0x0000000000400000-0x000000000049F000-memory.dmp

        memory/8068-42331-0x0000000000400000-0x000000000049F000-memory.dmp

        memory/8068-42328-0x0000000000400000-0x000000000049F000-memory.dmp

        memory/8068-42323-0x0000000000400000-0x000000000049F000-memory.dmp

        memory/8068-42339-0x0000000000400000-0x000000000049F000-memory.dmp

        memory/8068-42329-0x0000000000400000-0x000000000049F000-memory.dmp

        memory/8068-42341-0x0000000000400000-0x000000000049F000-memory.dmp

        memory/8068-42342-0x0000000000400000-0x000000000049F000-memory.dmp

        memory/8068-42344-0x0000000000400000-0x000000000049F000-memory.dmp

        memory/8068-42346-0x0000000000400000-0x000000000049F000-memory.dmp

        memory/8068-42348-0x0000000000400000-0x000000000049F000-memory.dmp

        memory/8068-42349-0x0000000000400000-0x000000000049F000-memory.dmp

        memory/8068-42350-0x0000000000400000-0x000000000049F000-memory.dmp

        memory/8068-42352-0x0000000000400000-0x000000000049F000-memory.dmp