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Analysis

  • max time kernel
    125s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/05/2024, 05:24

General

  • Target

    44b492de291b1f42b15d138a8b0560fd_JaffaCakes118.exe

  • Size

    411KB

  • MD5

    44b492de291b1f42b15d138a8b0560fd

  • SHA1

    8e676e9d780bf22b21f73455426f38b211ecd9da

  • SHA256

    12a4984d03f3643858c69fc176f0f0fff762f82a0b041a78deee2fbc86a2a284

  • SHA512

    a766d69b9b00d93eb42ab6eab0e35fc1fe21e0714568033aa12698fc563c6112f0e1a5fd2873f20fa5e1c6d07b205cec2a52cf9e83edbca1413f0fd1b75a7535

  • SSDEEP

    12288:ULRuBmKVQlB3r6ABKxo5jFrZKoNLDwhzonJBX2A8OC:wRgyd+ZQFrZKoNHwVonJoAFC

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 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 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\44b492de291b1f42b15d138a8b0560fd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\44b492de291b1f42b15d138a8b0560fd_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:4520
    • C:\Users\Admin\AppData\Local\Temp\n7858\s7858.exe
      "C:\Users\Admin\AppData\Local\Temp\n7858\s7858.exe" ins.exe /u 5280fdf5-b928-4cc4-9510-17bb0a000013 /e 12888761 /h 05e0fa.api.socdn.com /v "C:\Users\Admin\AppData\Local\Temp\44b492de291b1f42b15d138a8b0560fd_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:4416
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4520 -s 1040
      2⤵
      • Program crash
      PID:1080
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4436,i,7012731823941922179,12386606396608877869,262144 --variations-seed-version --mojo-platform-channel-handle=4252 /prefetch:8
    1⤵
      PID:4504
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4520 -ip 4520
      1⤵
        PID:2668

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\n7858\s7858.exe

        Filesize

        288KB

        MD5

        13b3e3bb0757730a2442c8149381b458

        SHA1

        a2763fbed796d85942b68135a9da3879ab013782

        SHA256

        1c2576369f51175b1a71ac298e1caa0bd47adc30cb9aee10be9b3e464919ed6c

        SHA512

        32482cf75cbee6b366318896861839a20c854eeac41ce08fa0d1c0af765ff7596f52f7c164dd99c48bd899a7eeeae7119b92c62962a8a19022498fd8316af899

      • memory/4416-33-0x00007FF990220000-0x00007FF990BC1000-memory.dmp

        Filesize

        9.6MB

      • memory/4416-35-0x00007FF990220000-0x00007FF990BC1000-memory.dmp

        Filesize

        9.6MB

      • memory/4416-13-0x00007FF990220000-0x00007FF990BC1000-memory.dmp

        Filesize

        9.6MB

      • memory/4416-27-0x0000000000EB0000-0x0000000000EBA000-memory.dmp

        Filesize

        40KB

      • memory/4416-30-0x000000001C3C0000-0x000000001C88E000-memory.dmp

        Filesize

        4.8MB

      • memory/4416-31-0x000000001C890000-0x000000001C92C000-memory.dmp

        Filesize

        624KB

      • memory/4416-32-0x0000000000ED0000-0x0000000000ED8000-memory.dmp

        Filesize

        32KB

      • memory/4416-43-0x00007FF990220000-0x00007FF990BC1000-memory.dmp

        Filesize

        9.6MB

      • memory/4416-12-0x00007FF9904D5000-0x00007FF9904D6000-memory.dmp

        Filesize

        4KB

      • memory/4416-36-0x00007FF990220000-0x00007FF990BC1000-memory.dmp

        Filesize

        9.6MB

      • memory/4416-34-0x00007FF990220000-0x00007FF990BC1000-memory.dmp

        Filesize

        9.6MB

      • memory/4416-37-0x000000001DC80000-0x000000001DCE2000-memory.dmp

        Filesize

        392KB

      • memory/4416-38-0x000000001FE90000-0x000000001FFCC000-memory.dmp

        Filesize

        1.2MB

      • memory/4416-39-0x00000000204E0000-0x00000000209EE000-memory.dmp

        Filesize

        5.1MB

      • memory/4416-40-0x00007FF990220000-0x00007FF990BC1000-memory.dmp

        Filesize

        9.6MB

      • memory/4520-41-0x0000000000400000-0x000000000048A000-memory.dmp

        Filesize

        552KB

      • memory/4520-0-0x0000000000400000-0x000000000048A000-memory.dmp

        Filesize

        552KB