Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/06/2024, 15:29

General

  • Target

    b43bb78c6c35e2f8fd684c2482679747_JaffaCakes118.exe

  • Size

    516KB

  • MD5

    b43bb78c6c35e2f8fd684c2482679747

  • SHA1

    e839fd6f78a7cffb81a504dd05ab1e8c480e09ca

  • SHA256

    1f7b11d4b67e8801244b76dc382a8d3d40225c4a85124455f7792e65dd97e46f

  • SHA512

    9b059155f298d8d70c7d6ea5cf185dd1f58671bf3286ad7cdb9e476cc71560485d3c933b2b8c0f2435f8fa399139a87100c71eb8428deccc79100e2030ea60ce

  • SSDEEP

    6144:/Kw9ZuL+7TBufhHztxTBIp2ZrPs+JiifYPeyy8JAt3kgURi34wgC1:/Kw9ZuL+7TQfhhcGTs+lYWyp+tcyNZ

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).

  • Program crash 1 IoCs
  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 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\b43bb78c6c35e2f8fd684c2482679747_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b43bb78c6c35e2f8fd684c2482679747_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:468
    • C:\Users\Admin\AppData\Local\Temp\n2725\s2725.exe
      "C:\Users\Admin\AppData\Local\Temp\n2725\s2725.exe" ins.exe /h ef64a6.api.socdn.com /u 8765b7a1-1326-11e4-8a58-80c16e6f498c /e 13029947 /v "C:\Users\Admin\AppData\Local\Temp\b43bb78c6c35e2f8fd684c2482679747_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:2644
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 468 -s 3892
      2⤵
      • Program crash
      PID:4772
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 468 -ip 468
    1⤵
      PID:5100

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\n2725\s2725.exe

      Filesize

      336KB

      MD5

      b135fc75caa27de9314e7d980c51acaf

      SHA1

      7454bd6f8485da5464bb9a101cdc8464acc00a86

      SHA256

      06fb2b270b815539fba6c6755b96c41f1ae2d1cf8705a42cdcd643eb68355eba

      SHA512

      c9e02e843d1e4bdeae948828c389e76f80efd3bc412b5e90e29f5ee2b12f600c44a32a2995b1f8b7a46c15d2828fab23155fd4152b896893d7f40756ce1366fd

    • memory/2644-14-0x00007FFFF87B5000-0x00007FFFF87B6000-memory.dmp

      Filesize

      4KB

    • memory/2644-15-0x00007FFFF8500000-0x00007FFFF8EA1000-memory.dmp

      Filesize

      9.6MB

    • memory/2644-24-0x000000001BA40000-0x000000001BA4E000-memory.dmp

      Filesize

      56KB

    • memory/2644-27-0x000000001C460000-0x000000001C92E000-memory.dmp

      Filesize

      4.8MB

    • memory/2644-28-0x000000001BE90000-0x000000001BF2C000-memory.dmp

      Filesize

      624KB

    • memory/2644-29-0x000000001BA30000-0x000000001BA38000-memory.dmp

      Filesize

      32KB

    • memory/2644-30-0x00007FFFF8500000-0x00007FFFF8EA1000-memory.dmp

      Filesize

      9.6MB

    • memory/2644-31-0x00007FFFF8500000-0x00007FFFF8EA1000-memory.dmp

      Filesize

      9.6MB

    • memory/2644-32-0x00007FFFF8500000-0x00007FFFF8EA1000-memory.dmp

      Filesize

      9.6MB

    • memory/2644-33-0x00007FFFF8500000-0x00007FFFF8EA1000-memory.dmp

      Filesize

      9.6MB

    • memory/2644-34-0x000000001DAB0000-0x000000001DB12000-memory.dmp

      Filesize

      392KB

    • memory/2644-35-0x00000000201C0000-0x00000000202FC000-memory.dmp

      Filesize

      1.2MB

    • memory/2644-36-0x0000000020810000-0x0000000020D1E000-memory.dmp

      Filesize

      5.1MB

    • memory/2644-37-0x00007FFFF87B5000-0x00007FFFF87B6000-memory.dmp

      Filesize

      4KB

    • memory/2644-38-0x00007FFFF8500000-0x00007FFFF8EA1000-memory.dmp

      Filesize

      9.6MB

    • memory/2644-39-0x00007FFFF8500000-0x00007FFFF8EA1000-memory.dmp

      Filesize

      9.6MB

    • memory/2644-40-0x00007FFFF8500000-0x00007FFFF8EA1000-memory.dmp

      Filesize

      9.6MB

    • memory/2644-41-0x00007FFFF8500000-0x00007FFFF8EA1000-memory.dmp

      Filesize

      9.6MB

    • memory/2644-43-0x00007FFFF8500000-0x00007FFFF8EA1000-memory.dmp

      Filesize

      9.6MB