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
    01/06/2024, 14:09

General

  • Target

    8ab0e3881a1d3ade6557098a49115b79_JaffaCakes118.exe

  • Size

    680KB

  • MD5

    8ab0e3881a1d3ade6557098a49115b79

  • SHA1

    59a9b3468b3e6f38194822fa95a6e4eee6fd8c4c

  • SHA256

    21eac5dcc1eb13d0233f0cb5aa6614c4fe5adb3a5475e36a71e93e176d156477

  • SHA512

    7c63c604ea2671d4ad5b0f78cc083aa37dbb9f90b3318ffa26fbc39b0d18f379d4eda53fcd18be2ead9816a830ba78341c88f575e88c10a72254cda0a1d9e21b

  • SSDEEP

    12288:C82isfaTcM8/kNcHKp3IVHWcjSf4P/cJL5a/5WdU6AmR+6mg:32isfdMqTPwcjSf4P/cJL5a/5FmR+6mg

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 5 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\8ab0e3881a1d3ade6557098a49115b79_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8ab0e3881a1d3ade6557098a49115b79_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:1396
    • C:\Users\Admin\AppData\Local\Temp\n1934\s1934.exe
      "C:\Users\Admin\AppData\Local\Temp\n1934\s1934.exe" 1c73859c2e290d17a8236d30N7kLKBNmDCth2Y1IuQlT2VYKlpFp5SBv9xtINBbYB4tFoYnMyyDQK7bpF0lygWuBi1keOZj6cmgCdO6QL6HWJYWI5wVtrQYWhEDhpcmZKMm5FRPs6AAXCs39WFnXg4zBhex8JfoVHYJI10Z5rFHEAUjGV00n9WRdvJjwwn0i /v "C:\Users\Admin\AppData\Local\Temp\8ab0e3881a1d3ade6557098a49115b79_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:4224

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n1934\s1934.exe

    Filesize

    350KB

    MD5

    d438749bcfe5bcdf1d59cbbb82341315

    SHA1

    2f4176c631e0190f35eb2963a4f8ad692fdcd6b7

    SHA256

    0aa566ada2feeb1714acd636da309edc6c3a9b0b8873d97942b55e053e55dd42

    SHA512

    f6ea2cf132c6564d685a6386705f2ff9b3912697f70d3e97e1754084c6c589141f3f72d6d82eeb6cc677a331325ab486389b1e3a202b7b21149499e8c020c67e

  • memory/4224-12-0x00007FFBA3535000-0x00007FFBA3536000-memory.dmp

    Filesize

    4KB

  • memory/4224-13-0x00007FFBA3280000-0x00007FFBA3C21000-memory.dmp

    Filesize

    9.6MB

  • memory/4224-28-0x000000001B7D0000-0x000000001B7E0000-memory.dmp

    Filesize

    64KB

  • memory/4224-31-0x000000001C200000-0x000000001C6CE000-memory.dmp

    Filesize

    4.8MB

  • memory/4224-32-0x000000001C770000-0x000000001C80C000-memory.dmp

    Filesize

    624KB

  • memory/4224-33-0x00007FFBA3280000-0x00007FFBA3C21000-memory.dmp

    Filesize

    9.6MB

  • memory/4224-34-0x000000001C960000-0x000000001C9C2000-memory.dmp

    Filesize

    392KB

  • memory/4224-35-0x00007FFBA3280000-0x00007FFBA3C21000-memory.dmp

    Filesize

    9.6MB

  • memory/4224-36-0x00007FFBA3280000-0x00007FFBA3C21000-memory.dmp

    Filesize

    9.6MB

  • memory/4224-37-0x000000001B7F0000-0x000000001B7F8000-memory.dmp

    Filesize

    32KB

  • memory/4224-38-0x00007FFBA3280000-0x00007FFBA3C21000-memory.dmp

    Filesize

    9.6MB

  • memory/4224-39-0x00007FFBA3280000-0x00007FFBA3C21000-memory.dmp

    Filesize

    9.6MB

  • memory/4224-40-0x00007FFBA3280000-0x00007FFBA3C21000-memory.dmp

    Filesize

    9.6MB

  • memory/4224-41-0x00007FFBA3280000-0x00007FFBA3C21000-memory.dmp

    Filesize

    9.6MB

  • memory/4224-42-0x00000000200E0000-0x000000002021C000-memory.dmp

    Filesize

    1.2MB

  • memory/4224-43-0x0000000020730000-0x0000000020C3E000-memory.dmp

    Filesize

    5.1MB

  • memory/4224-44-0x00007FFBA3280000-0x00007FFBA3C21000-memory.dmp

    Filesize

    9.6MB

  • memory/4224-45-0x00007FFBA3535000-0x00007FFBA3536000-memory.dmp

    Filesize

    4KB

  • memory/4224-46-0x00007FFBA3280000-0x00007FFBA3C21000-memory.dmp

    Filesize

    9.6MB

  • memory/4224-48-0x00007FFBA3280000-0x00007FFBA3C21000-memory.dmp

    Filesize

    9.6MB