Analysis

  • max time kernel
    149s
  • max time network
    125s
  • 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 17:46

General

  • Target

    ee1dfc3d1b9ce6f7e32346ba14deedf2_JaffaCakes118.exe

  • Size

    256KB

  • MD5

    ee1dfc3d1b9ce6f7e32346ba14deedf2

  • SHA1

    2fd04a20949de3e0504279a0ff82f4e7e0996287

  • SHA256

    614a29f5665b63f40a3d8dc721513563fd9fe16bdeb922fd8840d3e17cc48cea

  • SHA512

    45f884aaffe37c9c568e92c78a5499453ff169ffcc6773f414cabcd236f27bbd2c6ad7d5879bdce5c91e16f5320bfd4cad69fb219e4021c95bb731c490ac9af2

  • SSDEEP

    6144:jIkuR0XRLUAsR+ztFKgZzQOBRhDnvGVLtqCY+YtIA:k9OXRLUAJtogZMIHDv6L0CY+Y3

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 4 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 8 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3388
      • C:\Users\Admin\AppData\Local\Temp\ee1dfc3d1b9ce6f7e32346ba14deedf2_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\ee1dfc3d1b9ce6f7e32346ba14deedf2_JaffaCakes118.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4584
        • C:\Users\Admin\AppData\Local\Temp\ee1dfc3d1b9ce6f7e32346ba14deedf2_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\ee1dfc3d1b9ce6f7e32346ba14deedf2_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:3032
          • C:\Windows\SysWOW64\wmpdv86.exe
            "C:\Windows\SysWOW64\wmpdv86.exe" C:\Users\Admin\AppData\Local\Temp\EE1DFC~1.EXE
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2788
            • C:\Windows\SysWOW64\wmpdv86.exe
              "C:\Windows\SysWOW64\wmpdv86.exe" C:\Users\Admin\AppData\Local\Temp\EE1DFC~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:3448

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\wmpdv86.exe

      Filesize

      256KB

      MD5

      ee1dfc3d1b9ce6f7e32346ba14deedf2

      SHA1

      2fd04a20949de3e0504279a0ff82f4e7e0996287

      SHA256

      614a29f5665b63f40a3d8dc721513563fd9fe16bdeb922fd8840d3e17cc48cea

      SHA512

      45f884aaffe37c9c568e92c78a5499453ff169ffcc6773f414cabcd236f27bbd2c6ad7d5879bdce5c91e16f5320bfd4cad69fb219e4021c95bb731c490ac9af2

    • memory/3032-0-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/3032-2-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/3032-3-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/3032-4-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/3032-43-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/3032-45-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/3032-46-0x0000000000400000-0x0000000000445000-memory.dmp

      Filesize

      276KB

    • memory/3448-44-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/3448-47-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/3448-48-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB