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Analysis

  • max time kernel
    133s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/05/2024, 23:30

General

  • Target

    7aec967dd54cf87da378e562a22ef28c_JaffaCakes118.exe

  • Size

    628KB

  • MD5

    7aec967dd54cf87da378e562a22ef28c

  • SHA1

    b5dca08e9d6517c808965ba2fb5f7653781a8e03

  • SHA256

    2159804e12c593ad645c7b12daac8e7cda81d6ece393bd62142e3be48beb5e2d

  • SHA512

    3e2a1c24fec29776fb909682285d6cf5d671db246859a10d402398d6c328025560971474771699aa51acbe4c1eb3e7e01145c73bf55a1d34b57066df08eb65fb

  • SSDEEP

    12288:gkCYlj6zw6/Oyq60pBuAGDgvN4wCC58MD7roqPdFlCT3SYhR21HtUrKZ:BCYljQI60poHqmwCC5foqlF8SYhREirC

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).

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Modifies system certificate store 2 TTPs 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7aec967dd54cf87da378e562a22ef28c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7aec967dd54cf87da378e562a22ef28c_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:4772
    • C:\Users\Admin\AppData\Local\Temp\n1768\s1768.exe
      "C:\Users\Admin\AppData\Local\Temp\n1768\s1768.exe" f8df1f50308f7c9e0254f4e03UJ+DJpHKrycr0elR6mhsgkfZ/A8rw74byGzj8GJKAvLBa2AYsdQY3XreMxFcAxZ3utQ0r5i6CdsLr3biuerwcxLJoAAWU6FYQkFwOm8BXuad31NK4pwM4GQMh5V+XUdMfiCIzQT4vcLFPDfm91Z5kavWxSryei+BtychQ== /v "C:\Users\Admin\AppData\Local\Temp\7aec967dd54cf87da378e562a22ef28c_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:2512
      • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
        dw20.exe -x -s 1964
        3⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:5000

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n1768\s1768.exe

    Filesize

    373KB

    MD5

    06a18cd5024a98cd2cdeefc515cef70d

    SHA1

    c4e6db69ee1dae061ac197a8dd4432b6fe68b787

    SHA256

    9387ab6c4fc5227ce06f355a1906ded58419760aefdf28bbe2075c2f0a565492

    SHA512

    31d4e643a797e2790eed5814654e35a92f1bede041f6fbf8086b536268a3a0990fc996dce08bab08936f5522fe0ff4c22a173a2bb3d27d73c104e1b5691b8b65

  • memory/2512-12-0x00007FFAE1455000-0x00007FFAE1456000-memory.dmp

    Filesize

    4KB

  • memory/2512-13-0x00007FFAE11A0000-0x00007FFAE1B41000-memory.dmp

    Filesize

    9.6MB

  • memory/2512-29-0x000000001BD90000-0x000000001BDA0000-memory.dmp

    Filesize

    64KB

  • memory/2512-32-0x000000001C3D0000-0x000000001C89E000-memory.dmp

    Filesize

    4.8MB

  • memory/2512-33-0x000000001C940000-0x000000001C9DC000-memory.dmp

    Filesize

    624KB

  • memory/2512-34-0x00007FFAE11A0000-0x00007FFAE1B41000-memory.dmp

    Filesize

    9.6MB

  • memory/2512-35-0x00007FFAE11A0000-0x00007FFAE1B41000-memory.dmp

    Filesize

    9.6MB

  • memory/2512-42-0x00007FFAE11A0000-0x00007FFAE1B41000-memory.dmp

    Filesize

    9.6MB