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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/08/2024, 17:05

General

  • Target

    a364d6a1d481fbadc27d8825f28d68a7_JaffaCakes118.exe

  • Size

    344KB

  • MD5

    a364d6a1d481fbadc27d8825f28d68a7

  • SHA1

    16aa8f4c396f30ef1ceed8cdf67b1f40a6280f77

  • SHA256

    f3cf44fbcfec9317705f27580b85150a69cd9d08074b3ad03dec55d68236e639

  • SHA512

    c45e500860c126a9fe0cafaceb7f710552dfb0e7caf4d7a9d8c1db4a9ddd79c129b18c0c5f3964f85a0e3da73def7949d43f1da93cc95ec3993dfa7b0c8531ae

  • SSDEEP

    6144:cee6TyFwuoqUW8sjQHTyScGXSgcl/Nb/oAMTCR:Ve6Ty8qJmTyjGXSgcl/VUWR

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a364d6a1d481fbadc27d8825f28d68a7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a364d6a1d481fbadc27d8825f28d68a7_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1768
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\upd8b983934.bat"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2400
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1768 -s 148
      2⤵
      • Program crash
      PID:4612
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1768 -ip 1768
    1⤵
      PID:4164

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\upd8b983934.bat

      Filesize

      277B

      MD5

      1e79fde69fded90005290b5f9f4f527e

      SHA1

      c2640631afdd0a5fc0cfb30b512f0b24fd3fff52

      SHA256

      4e8962b1210f90efe793da33f3700a4be39ce52d1ae8caa3b385bbb2fa29ac40

      SHA512

      79cc1ce3be77f6a3d29c54f5ef5b2248fc4940736629b2bc144584f990a82a278f07e5d440e25a9c2dbecae3fa173d2a0478bbaa192a5b6d0c2894435a43b140

    • memory/1768-6-0x0000000000590000-0x0000000000591000-memory.dmp

      Filesize

      4KB

    • memory/1768-2-0x0000000000590000-0x0000000000591000-memory.dmp

      Filesize

      4KB

    • memory/1768-3-0x0000000003A90000-0x0000000003B15000-memory.dmp

      Filesize

      532KB

    • memory/1768-4-0x0000000000590000-0x0000000000591000-memory.dmp

      Filesize

      4KB

    • memory/1768-5-0x0000000000590000-0x0000000000591000-memory.dmp

      Filesize

      4KB

    • memory/1768-0-0x0000000003A90000-0x0000000003B15000-memory.dmp

      Filesize

      532KB

    • memory/1768-7-0x0000000000590000-0x0000000000591000-memory.dmp

      Filesize

      4KB

    • memory/1768-8-0x0000000000590000-0x0000000000591000-memory.dmp

      Filesize

      4KB

    • memory/1768-9-0x0000000000590000-0x0000000000591000-memory.dmp

      Filesize

      4KB

    • memory/1768-10-0x0000000000400000-0x000000000046D000-memory.dmp

      Filesize

      436KB

    • memory/1768-1-0x0000000000590000-0x0000000000591000-memory.dmp

      Filesize

      4KB

    • memory/1768-13-0x0000000000400000-0x000000000046D000-memory.dmp

      Filesize

      436KB