Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-07-2024 10:49

General

  • Target

    2845f330dde45ee528384e37f4826885_JaffaCakes118.exe

  • Size

    250KB

  • MD5

    2845f330dde45ee528384e37f4826885

  • SHA1

    5d6aa18e6af5cd5a02048802f0345b54ba7fe250

  • SHA256

    d38cfc73f632ad49cd23775b6030f4744ab5b485f7591b468553a0d21fa60d2d

  • SHA512

    4e91596b66e43acd7b5ded1f5c0727b06e87975c6a35d84bb6cae220e60f90eff83074dba6d8c1cf0542734fa39cf17ec33a0fc652221fce1b253f7dbe5b283b

  • SSDEEP

    6144:QQz2C+7C1+QjkEPeIFhr9jlIRscmExWhoCq:32CWC1feIFr6gExW4

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Modifies firewall policy service 3 TTPs 8 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • UPX packed file 10 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

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

  • Drops file in System32 directory 5 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3424
      • C:\Users\Admin\AppData\Local\Temp\2845f330dde45ee528384e37f4826885_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\2845f330dde45ee528384e37f4826885_JaffaCakes118.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:3892
        • C:\Users\Admin\AppData\Local\Temp\2845f330dde45ee528384e37f4826885_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\2845f330dde45ee528384e37f4826885_JaffaCakes118.exe"
          3⤵
          • Checks computer location settings
          • Maps connected drives based on registry
          • Drops file in System32 directory
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3316
          • C:\Windows\SysWOW64\wmpsa32.exe
            "C:\Windows\SysWOW64\wmpsa32.exe" C:\Users\Admin\AppData\Local\Temp\2845F3~1.EXE
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:4504
            • C:\Windows\SysWOW64\wmpsa32.exe
              "C:\Windows\SysWOW64\wmpsa32.exe" C:\Users\Admin\AppData\Local\Temp\2845F3~1.EXE
              5⤵
              • Modifies firewall policy service
              • Deletes itself
              • Executes dropped EXE
              • Adds Run key to start application
              • Maps connected drives based on registry
              • Drops file in System32 directory
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:3380

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\wmpsa32.exe

      Filesize

      250KB

      MD5

      2845f330dde45ee528384e37f4826885

      SHA1

      5d6aa18e6af5cd5a02048802f0345b54ba7fe250

      SHA256

      d38cfc73f632ad49cd23775b6030f4744ab5b485f7591b468553a0d21fa60d2d

      SHA512

      4e91596b66e43acd7b5ded1f5c0727b06e87975c6a35d84bb6cae220e60f90eff83074dba6d8c1cf0542734fa39cf17ec33a0fc652221fce1b253f7dbe5b283b

    • memory/3316-0-0x0000000000400000-0x0000000000467000-memory.dmp

      Filesize

      412KB

    • memory/3316-2-0x0000000000400000-0x0000000000467000-memory.dmp

      Filesize

      412KB

    • memory/3316-4-0x0000000000400000-0x0000000000467000-memory.dmp

      Filesize

      412KB

    • memory/3316-3-0x0000000000400000-0x0000000000467000-memory.dmp

      Filesize

      412KB

    • memory/3316-38-0x0000000000400000-0x0000000000467000-memory.dmp

      Filesize

      412KB

    • memory/3380-45-0x0000000000400000-0x0000000000467000-memory.dmp

      Filesize

      412KB

    • memory/3380-46-0x0000000000400000-0x0000000000467000-memory.dmp

      Filesize

      412KB

    • memory/3380-47-0x0000000000400000-0x0000000000467000-memory.dmp

      Filesize

      412KB

    • memory/3380-49-0x0000000000400000-0x0000000000467000-memory.dmp

      Filesize

      412KB

    • memory/3380-55-0x0000000000400000-0x0000000000467000-memory.dmp

      Filesize

      412KB