Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03/10/2024, 23:05

General

  • Target

    10d767565d4d02ef2ac8531e941d1a87_JaffaCakes118.exe

  • Size

    26KB

  • MD5

    10d767565d4d02ef2ac8531e941d1a87

  • SHA1

    a9511ce2cb13709d1841fe3d6376a5bd07ed02d9

  • SHA256

    5da5fc7b32581c8b320df7b80b3e518a59b8f8f9ebc57509ff8b31628bb7904c

  • SHA512

    9a71af7e43705ac16a928f49b3438c5cb078cbc180c3333f3fa2d67299271a1a6af5a3c7c6082d3374d74f8eb900b7e90d585c690bd7c1a941fb82d51b14c4db

  • SSDEEP

    768:Z8w+5/zzzzzzz5oYGZgcnRrXlGgw34bwnhRtI:ZNa/zzzzzzz56XhcJ3jY

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Drops file in System32 directory 1 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Modifies registry class 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\10d767565d4d02ef2ac8531e941d1a87_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\10d767565d4d02ef2ac8531e941d1a87_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2136
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\10D767~1.EXE >> NUL
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2052

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Windows\SysWOW64\76B9BA7A.dll

    Filesize

    218KB

    MD5

    9d3a2624261f25666f5b4cad91c4540d

    SHA1

    83af7a7da29a6c74bff160f06fe7d74cf94d9e7f

    SHA256

    df9d06d097f7f54dedf95a93d0f8fcbb4d1acdcfa23750600d5a14c958e5cb9b

    SHA512

    0fbe9a91b243792e117dafeac748a7a34f6cd6e307a586856976b59eea26ee2dc8d11246e9aa40f71fee2e93ed65c7193d24d4eaa396099fb2dbf26504565877

  • memory/2136-0-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2136-7-0x0000000010000000-0x0000000010011000-memory.dmp

    Filesize

    68KB

  • memory/2136-9-0x0000000010000000-0x0000000010011000-memory.dmp

    Filesize

    68KB

  • memory/2136-8-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB