Analysis

  • max time kernel
    146s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2024 18:28

General

  • Target

    b311a3067e3ed8c492a89a739107968a_JaffaCakes118.exe

  • Size

    152KB

  • MD5

    b311a3067e3ed8c492a89a739107968a

  • SHA1

    90c6250c33b8de8a7fef82e6b81ce60c9aede222

  • SHA256

    dab4a725cf58297af585cbeb681118047568407ff5f0df653ea14e73656e91fd

  • SHA512

    7f216583c7a6d5ffdab5edd5451334941ea948ce87deda077f631314928a7390cc20357b80a774c7cbfecab552b0e3a3bf523f1573ac45470d9a018a954fdf72

  • SSDEEP

    3072:I4DtuD+6GXAPAwcLw8WSqgy3GMhU2R8p3TYntVyfwcYX:YD+m4wcLSSMGMhvRkTYHyITX

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.

  • Metasploit family
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Maps connected drives based on registry 3 TTPs 8 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • UPX packed file 15 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b311a3067e3ed8c492a89a739107968a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b311a3067e3ed8c492a89a739107968a_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3208
    • C:\Users\Admin\AppData\Local\Temp\b311a3067e3ed8c492a89a739107968a_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\b311a3067e3ed8c492a89a739107968a_JaffaCakes118.exe"
      2⤵
      • Checks computer location settings
      • Maps connected drives based on registry
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3516
      • C:\Windows\SysWOW64\wnptvx.exe
        "C:\Windows\system32\wnptvx.exe" C:\Users\Admin\AppData\Local\Temp\B311A3~1.EXE
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3304
        • C:\Windows\SysWOW64\wnptvx.exe
          "C:\Windows\system32\wnptvx.exe" C:\Users\Admin\AppData\Local\Temp\B311A3~1.EXE
          4⤵
          • Checks computer location settings
          • Deletes itself
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1500
          • C:\Windows\SysWOW64\wnptvx.exe
            "C:\Windows\system32\wnptvx.exe" C:\Windows\SysWOW64\wnptvx.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1652
            • C:\Windows\SysWOW64\wnptvx.exe
              "C:\Windows\system32\wnptvx.exe" C:\Windows\SysWOW64\wnptvx.exe
              6⤵
              • Checks computer location settings
              • Executes dropped EXE
              • Maps connected drives based on registry
              • Drops file in System32 directory
              • System Location Discovery: System Language Discovery
              • Modifies registry class
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:2076
              • C:\Windows\SysWOW64\wnptvx.exe
                "C:\Windows\system32\wnptvx.exe" C:\Windows\SysWOW64\wnptvx.exe
                7⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:2436
                • C:\Windows\SysWOW64\wnptvx.exe
                  "C:\Windows\system32\wnptvx.exe" C:\Windows\SysWOW64\wnptvx.exe
                  8⤵
                  • Executes dropped EXE
                  • Maps connected drives based on registry
                  • System Location Discovery: System Language Discovery
                  • Suspicious behavior: EnumeratesProcesses
                  PID:2552

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\wnptvx.exe

    Filesize

    152KB

    MD5

    b311a3067e3ed8c492a89a739107968a

    SHA1

    90c6250c33b8de8a7fef82e6b81ce60c9aede222

    SHA256

    dab4a725cf58297af585cbeb681118047568407ff5f0df653ea14e73656e91fd

    SHA512

    7f216583c7a6d5ffdab5edd5451334941ea948ce87deda077f631314928a7390cc20357b80a774c7cbfecab552b0e3a3bf523f1573ac45470d9a018a954fdf72

  • memory/1500-59-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/1500-55-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/1500-49-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/1500-51-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/1500-48-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/1500-50-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/2076-64-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/2076-65-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/2552-72-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/3516-3-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/3516-43-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/3516-2-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/3516-5-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/3516-4-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/3516-0-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB