Analysis

  • max time kernel
    95s
  • max time network
    93s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/06/2024, 03:51

General

  • Target
    a3bc72d9098ac48f96f974acc102a881_JaffaCakes118.exe
  • Size 512KB
  • Sample240613-eehvfatcjf
  • SHA256 10cdeebf030a27c29f659762884bd3493f553e3f03cf5e8e909c42cc5bae1f7b
  • MD5 SHA1 SHA512 SSDEEP
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 3 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\a3bc72d9098ac48f96f974acc102a881_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a3bc72d9098ac48f96f974acc102a881_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:3968
    • C:\Users\Admin\AppData\Local\Temp\n2476\s2476.exe
      "C:\Users\Admin\AppData\Local\Temp\n2476\s2476.exe" 5b762fef45a2003a0078a9075bOC2gvDHycqATq7mzgkPn5b7GmeGJB1yu+YYSXHcAMu8b59PmEmjEtMcIMeFYwA9TbOmTeRkVnSXKlTP1364Y7SgVDaZYKMZc1i/XWQZXQitqBZ4q1u60SFm/0CtNkKa4A5nu7ABd34Donxi8YpP4bO /v "C:\Users\Admin\AppData\Local\Temp\a3bc72d9098ac48f96f974acc102a881_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:4404

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        s2476.exe

        • Path C:\Users\Admin\AppData\Local\Temp\n2476\s2476.exe
        • Size 230KB
        • SHA256 b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e
        • MD5 SHA1 SHA512 SSDEEP

        memory/4404-12-0x00007FFB4CE15000-0x00007FFB4CE16000-memory.dmp

        memory/4404-13-0x00007FFB4CB60000-0x00007FFB4D501000-memory.dmp

        memory/4404-27-0x000000001BCD0000-0x000000001BCE2000-memory.dmp

        memory/4404-30-0x000000001CD00000-0x000000001D1CE000-memory.dmp

        memory/4404-31-0x000000001C6D0000-0x000000001C76C000-memory.dmp

        memory/4404-32-0x000000001D290000-0x000000001D2F2000-memory.dmp

        memory/4404-33-0x00007FFB4CB60000-0x00007FFB4D501000-memory.dmp

        memory/4404-34-0x000000001BD00000-0x000000001BD08000-memory.dmp

        memory/4404-35-0x00007FFB4CB60000-0x00007FFB4D501000-memory.dmp

        memory/4404-36-0x00007FFB4CB60000-0x00007FFB4D501000-memory.dmp

        memory/4404-37-0x00007FFB4CB60000-0x00007FFB4D501000-memory.dmp

        memory/4404-38-0x00007FFB4CB60000-0x00007FFB4D501000-memory.dmp

        memory/4404-39-0x0000000020E20000-0x000000002132E000-memory.dmp

        memory/4404-40-0x000000001EC60000-0x000000001ED9C000-memory.dmp

        memory/4404-42-0x00007FFB4CB60000-0x00007FFB4D501000-memory.dmp