Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-05-2024 06:50

General

  • Target

    23aee1971b00422b6425cb8a49a43599_JaffaCakes118.exe

  • Size

    671KB

  • MD5

    23aee1971b00422b6425cb8a49a43599

  • SHA1

    4ab81822c17bb2083ed2210305236bfb91144dbc

  • SHA256

    bcfb194a0bf60a29b00d7f6c87cefaa2f2ef1838f2ecbee8680e480d0831be76

  • SHA512

    f91af683e65961e395ca33fd3c5860010c3be7fd29590c6a8e4f145be517ddead1d8cb48baa95825f825235936ccd9063f348b974795dcc7f220010e5555a58a

  • SSDEEP

    12288:SZJ7G1zskWtP44444ItPZkTKpPwHb/dgusOlMLSTQNirbCfrL6J:qJ7Uzj4yUo7Fdle8WIbCL6J

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\23aee1971b00422b6425cb8a49a43599_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\23aee1971b00422b6425cb8a49a43599_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:996
    • C:\Users\Admin\AppData\Local\Temp\n5661\s5661.exe
      "C:\Users\Admin\AppData\Local\Temp\n5661\s5661.exe" 0a01f73dcba862b426f96c0dFVRud6NM/2Ono/pJ1RcYOb+H+peETqEsyFwrXenEkPfApEZUgWjiFZTUcaBrCXFbj7MU7mdQTm2XjMTQZY/oi0RBZtYT7H9XruIXKybWMrRPLVFkiP/x3msvbdR9nwIfQI6FhFaQcSQksCLhCkaMAvvfrj5syLZ303lI3vs= /v "C:\Users\Admin\AppData\Local\Temp\23aee1971b00422b6425cb8a49a43599_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:3696

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\n5661\s5661.exe

    Filesize

    350KB

    MD5

    fa6ed0f7848455d3f0929a2954f39c47

    SHA1

    41d67fd1285246b71a7ffb7b3b7debc0f71d3bbf

    SHA256

    f9cdc17ae98b92e4dd757e07dc7966d845cef242d549fdc0587e8e548062df46

    SHA512

    463ef43ec36dd5c65fab50312df35a647840db4b8aab779fdfebdb3988a36effedd6b6a91e4b8eb7f9b38f9989bd793a8b0ca64f292310caa1b71747ca1b0d92

  • memory/3696-12-0x00007FFADC3A5000-0x00007FFADC3A6000-memory.dmp

    Filesize

    4KB

  • memory/3696-13-0x00007FFADC0F0000-0x00007FFADCA91000-memory.dmp

    Filesize

    9.6MB

  • memory/3696-29-0x000000001B600000-0x000000001B610000-memory.dmp

    Filesize

    64KB

  • memory/3696-32-0x000000001C580000-0x000000001CA4E000-memory.dmp

    Filesize

    4.8MB

  • memory/3696-33-0x000000001BF90000-0x000000001C02C000-memory.dmp

    Filesize

    624KB

  • memory/3696-34-0x00007FFADC0F0000-0x00007FFADCA91000-memory.dmp

    Filesize

    9.6MB

  • memory/3696-35-0x000000001CAC0000-0x000000001CB22000-memory.dmp

    Filesize

    392KB

  • memory/3696-36-0x00007FFADC0F0000-0x00007FFADCA91000-memory.dmp

    Filesize

    9.6MB

  • memory/3696-37-0x00007FFADC0F0000-0x00007FFADCA91000-memory.dmp

    Filesize

    9.6MB

  • memory/3696-38-0x0000000000F60000-0x0000000000F68000-memory.dmp

    Filesize

    32KB

  • memory/3696-39-0x00007FFADC0F0000-0x00007FFADCA91000-memory.dmp

    Filesize

    9.6MB

  • memory/3696-40-0x00007FFADC0F0000-0x00007FFADCA91000-memory.dmp

    Filesize

    9.6MB

  • memory/3696-41-0x00007FFADC0F0000-0x00007FFADCA91000-memory.dmp

    Filesize

    9.6MB

  • memory/3696-42-0x00007FFADC0F0000-0x00007FFADCA91000-memory.dmp

    Filesize

    9.6MB

  • memory/3696-43-0x000000001E4F0000-0x000000001E62C000-memory.dmp

    Filesize

    1.2MB

  • memory/3696-44-0x00000000207F0000-0x0000000020CFE000-memory.dmp

    Filesize

    5.1MB

  • memory/3696-45-0x00007FFADC0F0000-0x00007FFADCA91000-memory.dmp

    Filesize

    9.6MB

  • memory/3696-46-0x00007FFADC0F0000-0x00007FFADCA91000-memory.dmp

    Filesize

    9.6MB

  • memory/3696-47-0x00007FFADC0F0000-0x00007FFADCA91000-memory.dmp

    Filesize

    9.6MB

  • memory/3696-49-0x00007FFADC0F0000-0x00007FFADCA91000-memory.dmp

    Filesize

    9.6MB