Analysis

  • max time kernel
    91s
  • max time network
    104s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 06:50

General

  • Target

    07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe

  • Size

    186KB

  • MD5

    25980b67244bb4861f4de5913b07937c

  • SHA1

    493dcc785d9b4e90b679cde800dda9e6fe12f122

  • SHA256

    07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5

  • SHA512

    05d445cde678b1e1ba94249a00b31386e6b4733bee41aa546e485812da874715b89373247c839a5e8f4369f5011f9c690fc4a63c8e9ae52868d4c4dc87257efd

  • SSDEEP

    3072:I9pu27JieXv1qfj5DvDEImXsaqHohxaxjC9fD7XLsSE:iT5tdIySHWxaA9fvLfE

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 2 TTPs 4 IoCs
  • Executes dropped EXE 2 IoCs
  • UPX packed file 10 IoCs

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

  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 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). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1376
      • C:\Users\Admin\AppData\Local\Temp\07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe
        "C:\Users\Admin\AppData\Local\Temp\07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:964
        • C:\Users\Admin\AppData\Local\Temp\07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe
          "C:\Users\Admin\AppData\Local\Temp\07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe"
          3⤵
          • Loads dropped DLL
          • Maps connected drives based on registry
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1992
          • C:\Windows\SysWOW64\wmpbv32.exe
            "C:\Windows\SysWOW64\wmpbv32.exe" C:\Users\Admin\AppData\Local\Temp\07014D~1.EXE
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:460
            • C:\Windows\SysWOW64\wmpbv32.exe
              "C:\Windows\SysWOW64\wmpbv32.exe" C:\Users\Admin\AppData\Local\Temp\07014D~1.EXE
              5⤵
              • Modifies firewall policy service
              • Executes dropped EXE
              • Deletes itself
              • 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:852

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\wmpbv32.exe

      Filesize

      186KB

      MD5

      25980b67244bb4861f4de5913b07937c

      SHA1

      493dcc785d9b4e90b679cde800dda9e6fe12f122

      SHA256

      07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5

      SHA512

      05d445cde678b1e1ba94249a00b31386e6b4733bee41aa546e485812da874715b89373247c839a5e8f4369f5011f9c690fc4a63c8e9ae52868d4c4dc87257efd

    • C:\Windows\SysWOW64\wmpbv32.exe

      Filesize

      186KB

      MD5

      25980b67244bb4861f4de5913b07937c

      SHA1

      493dcc785d9b4e90b679cde800dda9e6fe12f122

      SHA256

      07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5

      SHA512

      05d445cde678b1e1ba94249a00b31386e6b4733bee41aa546e485812da874715b89373247c839a5e8f4369f5011f9c690fc4a63c8e9ae52868d4c4dc87257efd

    • \Windows\SysWOW64\wmpbv32.exe

      Filesize

      186KB

      MD5

      25980b67244bb4861f4de5913b07937c

      SHA1

      493dcc785d9b4e90b679cde800dda9e6fe12f122

      SHA256

      07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5

      SHA512

      05d445cde678b1e1ba94249a00b31386e6b4733bee41aa546e485812da874715b89373247c839a5e8f4369f5011f9c690fc4a63c8e9ae52868d4c4dc87257efd

    • memory/460-67-0x0000000000000000-mapping.dmp

    • memory/852-82-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/852-81-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/852-69-0x0000000000000000-mapping.dmp

    • memory/1376-83-0x00000000025B0000-0x00000000025CE000-memory.dmp

      Filesize

      120KB

    • memory/1992-59-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1992-65-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1992-64-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1992-63-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1992-62-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1992-61-0x0000000076411000-0x0000000076413000-memory.dmp

      Filesize

      8KB

    • memory/1992-54-0x0000000000000000-mapping.dmp

    • memory/1992-80-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1992-58-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1992-56-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1992-55-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB