Analysis

  • max time kernel
    147s
  • 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
    13/06/2024, 05:55

General

  • Target

    a41698df2c54595d0223ca67482081ce_JaffaCakes118.exe

  • Size

    706KB

  • MD5

    a41698df2c54595d0223ca67482081ce

  • SHA1

    85ffb749e76b85914c6ec35a1df1c92892b682a5

  • SHA256

    1221c44c90c17010a33c81c97c73ea78d3d386c023bc3e1c6dbc5d08fea9e6fc

  • SHA512

    dc8e592ce252ae044c6b7e85362b30aab0b5b7f99f0ff01d8a73d782a72c6091164da4a2ff7cceb70082807d6cebbf21d1b971cdba701b1899d64b3b63e6b44b

  • SSDEEP

    12288:LWSbbO+qykD4IW0lFYsP5RGRfBntaVR0VKa8HsknPk/FbQivhOlzaAdBv6R:yobO+WJNYshRG7nsVqVN8MckNb3v8lzG

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\a41698df2c54595d0223ca67482081ce_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a41698df2c54595d0223ca67482081ce_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:4808
    • C:\Users\Admin\AppData\Local\Temp\n4125\s4125.exe
      "C:\Users\Admin\AppData\Local\Temp\n4125\s4125.exe" d488e0808355f4211d20be32G/9D/PRceuWS2kpNDLekr3pCmYL3nJoTYaW3eBcO2DroKvV7IkE43PtfBKxpVxD/w1WwoPi+6yD3krVQaLZ4BujScq6GPRuQK2da/0u+mwvSciAeGfI2GQRERXP1RuiJNWtOhZkSgbYD7xWIPPmYZmPdvRB5oIELFOpLYBMt /v "C:\Users\Admin\AppData\Local\Temp\a41698df2c54595d0223ca67482081ce_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:2680

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n4125\s4125.exe

    Filesize

    350KB

    MD5

    d438749bcfe5bcdf1d59cbbb82341315

    SHA1

    2f4176c631e0190f35eb2963a4f8ad692fdcd6b7

    SHA256

    0aa566ada2feeb1714acd636da309edc6c3a9b0b8873d97942b55e053e55dd42

    SHA512

    f6ea2cf132c6564d685a6386705f2ff9b3912697f70d3e97e1754084c6c589141f3f72d6d82eeb6cc677a331325ab486389b1e3a202b7b21149499e8c020c67e

  • memory/2680-12-0x00007FFFBA4A5000-0x00007FFFBA4A6000-memory.dmp

    Filesize

    4KB

  • memory/2680-13-0x00007FFFBA1F0000-0x00007FFFBAB91000-memory.dmp

    Filesize

    9.6MB

  • memory/2680-14-0x000000001B3B0000-0x000000001B3C0000-memory.dmp

    Filesize

    64KB

  • memory/2680-17-0x000000001C1F0000-0x000000001C6BE000-memory.dmp

    Filesize

    4.8MB

  • memory/2680-18-0x000000001C760000-0x000000001C7FC000-memory.dmp

    Filesize

    624KB

  • memory/2680-19-0x00007FFFBA1F0000-0x00007FFFBAB91000-memory.dmp

    Filesize

    9.6MB

  • memory/2680-20-0x000000001C950000-0x000000001C9B2000-memory.dmp

    Filesize

    392KB

  • memory/2680-21-0x00007FFFBA1F0000-0x00007FFFBAB91000-memory.dmp

    Filesize

    9.6MB

  • memory/2680-22-0x00007FFFBA1F0000-0x00007FFFBAB91000-memory.dmp

    Filesize

    9.6MB

  • memory/2680-23-0x000000001B860000-0x000000001B868000-memory.dmp

    Filesize

    32KB

  • memory/2680-24-0x00007FFFBA4A5000-0x00007FFFBA4A6000-memory.dmp

    Filesize

    4KB

  • memory/2680-25-0x00007FFFBA1F0000-0x00007FFFBAB91000-memory.dmp

    Filesize

    9.6MB

  • memory/2680-26-0x00007FFFBA1F0000-0x00007FFFBAB91000-memory.dmp

    Filesize

    9.6MB

  • memory/2680-27-0x00007FFFBA1F0000-0x00007FFFBAB91000-memory.dmp

    Filesize

    9.6MB

  • memory/2680-28-0x00007FFFBA1F0000-0x00007FFFBAB91000-memory.dmp

    Filesize

    9.6MB

  • memory/2680-29-0x00007FFFBA1F0000-0x00007FFFBAB91000-memory.dmp

    Filesize

    9.6MB

  • memory/2680-30-0x00007FFFBA1F0000-0x00007FFFBAB91000-memory.dmp

    Filesize

    9.6MB

  • memory/2680-31-0x00007FFFBA1F0000-0x00007FFFBAB91000-memory.dmp

    Filesize

    9.6MB

  • memory/2680-32-0x00000000207C0000-0x0000000020CCE000-memory.dmp

    Filesize

    5.1MB

  • memory/2680-34-0x00007FFFBA1F0000-0x00007FFFBAB91000-memory.dmp

    Filesize

    9.6MB