Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/06/2024, 13:22

General

  • Target
    91efe8fae8ff7df9161fbd3b093eeef6_JaffaCakes118.exe
  • Size 675KB
  • Sample240603-qmd21ahb85
  • SHA256 06effc95b4c28bebd5105ada94178df503576e0b1e68b0108d1443adac080aef
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\91efe8fae8ff7df9161fbd3b093eeef6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\91efe8fae8ff7df9161fbd3b093eeef6_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1316
    • C:\Users\Admin\AppData\Local\Temp\n2694\s2694.exe
      "C:\Users\Admin\AppData\Local\Temp\n2694\s2694.exe" bc7617dc55070d60c1d7386eWMS9HwVhZCenQi9sCYGni5+VrDIjn6MTypyEcWarAWkHOUkiBqhiawymO9gxuXLcWDWQyJqvp+vFYlFGmYPwPIZg11sDZJ8J/rthGRKGE80fGytZ2fH2V5itcKMHE3pcPdxl0y8jA+g9jryxdUgVBeu5DlnXcNJ3Uzo5uHsp /v "C:\Users\Admin\AppData\Local\Temp\91efe8fae8ff7df9161fbd3b093eeef6_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:5108

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        s2694.exe

        • Path C:\Users\Admin\AppData\Local\Temp\n2694\s2694.exe
        • Size 350KB
        • SHA256 0aa566ada2feeb1714acd636da309edc6c3a9b0b8873d97942b55e053e55dd42
        • MD5 SHA1 SHA512 SSDEEP

        memory/5108-12-0x00007FFA69C00000-0x00007FFA69DA1000-memory.dmp

        memory/5108-26-0x000000001B750000-0x000000001B760000-memory.dmp

        memory/5108-29-0x000000001BE80000-0x000000001C34E000-memory.dmp

        memory/5108-30-0x000000001C3F0000-0x000000001C48C000-memory.dmp

        memory/5108-31-0x00007FFA69C00000-0x00007FFA69DA1000-memory.dmp

        memory/5108-32-0x000000001C5E0000-0x000000001C642000-memory.dmp

        memory/5108-33-0x00007FFA69C00000-0x00007FFA69DA1000-memory.dmp

        memory/5108-34-0x000000001AF80000-0x000000001AF88000-memory.dmp

        memory/5108-35-0x00007FFA69C00000-0x00007FFA69DA1000-memory.dmp

        memory/5108-36-0x00007FFA69C00000-0x00007FFA69DA1000-memory.dmp

        memory/5108-37-0x000000001FB30000-0x000000001FC6C000-memory.dmp

        memory/5108-38-0x0000000020180000-0x000000002068E000-memory.dmp

        memory/5108-39-0x00007FFA69C00000-0x00007FFA69DA1000-memory.dmp

        memory/5108-41-0x00007FFA69C00000-0x00007FFA69DA1000-memory.dmp