Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/06/2024, 23:17

General

  • Target
    011ae254aa94bdf84c196a8a11cbb4f6_JaffaCakes118.exe
  • Size 60KB
  • Sample240619-291easwepe
  • SHA256 9c413c59f5f92d00de289c171c4ab3b2d69da1b8000a860c9d514f615c54b6b5
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Loads dropped DLL 5 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 5 IoCs
  • Drops file in Windows directory 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\011ae254aa94bdf84c196a8a11cbb4f6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\011ae254aa94bdf84c196a8a11cbb4f6_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Installs/modifies Browser Helper Object
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2308
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c c:\long.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2464
      • C:\Windows\SysWOW64\attrib.exe
        attrib -a -r -s -h "C:\Users\Admin\AppData\Local\Temp\011ae254aa94bdf84c196a8a11cbb4f6_JaffaCakes118.exe"
        3⤵
        • Views/modifies file attributes
        PID:4516

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        EXEINFO.DLL

        • Path C:\Windows\SysWOW64\EXEINFO.DLL
        • Size 84KB
        • SHA256 ff497f39586bb3b70df374bd38eb18aea46c01827f4b56c68386cdc2cc70dc1e
        • MD5 SHA1 SHA512 SSDEEP

        usr.dll

        • Path C:\Windows\SysWOW64\usr.dll
        • Size 41KB
        • SHA256 69a43c5d0c2fb302e18b00c279895c765e88db9346d82e1b41f218ebb481fd18
        • MD5 SHA1 SHA512 SSDEEP

        long.bat

        • Path \??\c:\long.bat
        • Size 340B
        • SHA256 e2efd4d678d6ff08f2e369f834abdc92e7047d295d69f3f910c463669236fdca
        • MD5 SHA1 SHA512

        memory/2308-0-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/2308-6-0x0000000010000000-0x0000000010015000-memory.dmp

        memory/2308-24-0x0000000000B80000-0x0000000000B95000-memory.dmp

        memory/2308-37-0x0000000000B80000-0x0000000000B95000-memory.dmp

        memory/2308-36-0x0000000010000000-0x0000000010015000-memory.dmp

        memory/2308-35-0x0000000000400000-0x000000000042E000-memory.dmp