Analysis

  • max time kernel
    149s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-09-2024 14:20

General

  • Target

    edc65cfe2349b9038702089d1c369913_JaffaCakes118.exe

  • Size

    253KB

  • MD5

    edc65cfe2349b9038702089d1c369913

  • SHA1

    f6cd20379c1eab885d1a93430335822ca62579f6

  • SHA256

    2d4f752a209466bb49a70cc8a0a3d919a3eb6b5aea558fd0cd1853defec5981d

  • SHA512

    600b6d2fbc9a308095849e31713637e7b37aa39ea8e07844b6b6ebcedb9aa0e6ca836a9b02c6b9bdb271c7cd3e990ab9a0043a197accb84bd1eebd0ce09db254

  • SSDEEP

    6144:pisy0dQn0lMCHIsvfRF3/6WnSbSf71WCQC:ksv+01LFxnSeD1WCQC

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 11 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).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3436
      • C:\Users\Admin\AppData\Local\Temp\edc65cfe2349b9038702089d1c369913_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\edc65cfe2349b9038702089d1c369913_JaffaCakes118.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2800
        • C:\Users\Admin\AppData\Local\Temp\edc65cfe2349b9038702089d1c369913_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\edc65cfe2349b9038702089d1c369913_JaffaCakes118.exe"
          3⤵
          • 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:2212
          • C:\Windows\SysWOW64\igfxtv32.exe
            "C:\Windows\SysWOW64\igfxtv32.exe" C:\Users\Admin\AppData\Local\Temp\EDC65C~1.EXE
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3280
            • C:\Windows\SysWOW64\igfxtv32.exe
              "C:\Windows\SysWOW64\igfxtv32.exe" C:\Users\Admin\AppData\Local\Temp\EDC65C~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
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:1300

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\igfxtv32.exe

      Filesize

      253KB

      MD5

      edc65cfe2349b9038702089d1c369913

      SHA1

      f6cd20379c1eab885d1a93430335822ca62579f6

      SHA256

      2d4f752a209466bb49a70cc8a0a3d919a3eb6b5aea558fd0cd1853defec5981d

      SHA512

      600b6d2fbc9a308095849e31713637e7b37aa39ea8e07844b6b6ebcedb9aa0e6ca836a9b02c6b9bdb271c7cd3e990ab9a0043a197accb84bd1eebd0ce09db254

    • memory/1300-48-0x0000000000400000-0x0000000000467000-memory.dmp

      Filesize

      412KB

    • memory/1300-49-0x0000000000400000-0x0000000000467000-memory.dmp

      Filesize

      412KB

    • memory/1300-51-0x0000000000400000-0x0000000000467000-memory.dmp

      Filesize

      412KB

    • memory/1300-52-0x0000000000400000-0x0000000000467000-memory.dmp

      Filesize

      412KB

    • memory/1300-60-0x0000000000400000-0x0000000000467000-memory.dmp

      Filesize

      412KB

    • memory/2212-0-0x0000000000400000-0x0000000000467000-memory.dmp

      Filesize

      412KB

    • memory/2212-2-0x0000000000400000-0x0000000000467000-memory.dmp

      Filesize

      412KB

    • memory/2212-4-0x0000000000400000-0x0000000000467000-memory.dmp

      Filesize

      412KB

    • memory/2212-3-0x0000000000400000-0x0000000000467000-memory.dmp

      Filesize

      412KB

    • memory/2212-5-0x0000000000400000-0x0000000000467000-memory.dmp

      Filesize

      412KB

    • memory/2212-42-0x0000000000400000-0x0000000000467000-memory.dmp

      Filesize

      412KB