Analysis

  • max time kernel
    134s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-05-2024 17:30

General

  • Target

    6426181ae452896a40f47e375cc5d470_JaffaCakes118.exe

  • Size

    516KB

  • MD5

    6426181ae452896a40f47e375cc5d470

  • SHA1

    d55f33c67aad43d93c266b4073987294c07ef54e

  • SHA256

    61b6ecd3ad7fcfa722ed287c8b13f9afaacbe5e2acd422a31443ce0cf2fb52cc

  • SHA512

    4dac48eef0683d656f91a34ee2778d6902f6bd1b34965fc898107ed01a4d1e297bf3744a93a31c3d83d4b69a0896200fff2d0b0ac9edae8c8ccd796a1867551e

  • 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\6426181ae452896a40f47e375cc5d470_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6426181ae452896a40f47e375cc5d470_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:2460
    • C:\Users\Admin\AppData\Local\Temp\n7834\s7834.exe
      "C:\Users\Admin\AppData\Local\Temp\n7834\s7834.exe" ins.exe /u ad0d8641-dff0-11e3-8a58-80c16e6f498c /h eb4993.api.socdn.com /e 12932238 /t 54146c05561ca39e0b8b4585 /v "C:\Users\Admin\AppData\Local\Temp\6426181ae452896a40f47e375cc5d470_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:1500
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2460 -s 3892
      2⤵
      • Program crash
      PID:2584
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2460 -ip 2460
    1⤵
      PID:4876

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\n7834\s7834.exe

      Filesize

      336KB

      MD5

      b135fc75caa27de9314e7d980c51acaf

      SHA1

      7454bd6f8485da5464bb9a101cdc8464acc00a86

      SHA256

      06fb2b270b815539fba6c6755b96c41f1ae2d1cf8705a42cdcd643eb68355eba

      SHA512

      c9e02e843d1e4bdeae948828c389e76f80efd3bc412b5e90e29f5ee2b12f600c44a32a2995b1f8b7a46c15d2828fab23155fd4152b896893d7f40756ce1366fd

    • memory/1500-14-0x00007FF900565000-0x00007FF900566000-memory.dmp

      Filesize

      4KB

    • memory/1500-15-0x00007FF9002B0000-0x00007FF900C51000-memory.dmp

      Filesize

      9.6MB

    • memory/1500-24-0x000000001B990000-0x000000001B99E000-memory.dmp

      Filesize

      56KB

    • memory/1500-27-0x000000001C320000-0x000000001C7EE000-memory.dmp

      Filesize

      4.8MB

    • memory/1500-28-0x000000001BDA0000-0x000000001BE3C000-memory.dmp

      Filesize

      624KB

    • memory/1500-29-0x000000001B980000-0x000000001B988000-memory.dmp

      Filesize

      32KB

    • memory/1500-30-0x00007FF9002B0000-0x00007FF900C51000-memory.dmp

      Filesize

      9.6MB

    • memory/1500-31-0x00007FF9002B0000-0x00007FF900C51000-memory.dmp

      Filesize

      9.6MB

    • memory/1500-32-0x00007FF9002B0000-0x00007FF900C51000-memory.dmp

      Filesize

      9.6MB

    • memory/1500-33-0x00007FF9002B0000-0x00007FF900C51000-memory.dmp

      Filesize

      9.6MB

    • memory/1500-34-0x000000001DA90000-0x000000001DAF2000-memory.dmp

      Filesize

      392KB

    • memory/1500-35-0x0000000020100000-0x000000002023C000-memory.dmp

      Filesize

      1.2MB

    • memory/1500-36-0x0000000020750000-0x0000000020C5E000-memory.dmp

      Filesize

      5.1MB

    • memory/1500-37-0x00007FF9002B0000-0x00007FF900C51000-memory.dmp

      Filesize

      9.6MB

    • memory/1500-38-0x00007FF9002B0000-0x00007FF900C51000-memory.dmp

      Filesize

      9.6MB

    • memory/1500-40-0x00007FF9002B0000-0x00007FF900C51000-memory.dmp

      Filesize

      9.6MB