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Analysis

  • max time kernel
    152s
  • max time network
    170s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01/12/2022, 17:40

General

  • Target

    cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888.exe

  • Size

    259KB

  • MD5

    dc5960e94932cddb25a0118729234ec4

  • SHA1

    2615246d4d3832e0a1ad2bd8825300ae8153a14f

  • SHA256

    cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888

  • SHA512

    604cda59a9758e8a35814bb6100f6be4f51d645e83ec9e269c8c29233de0cf90ea22f5eb2245bc8918a4506c47e32556ae2185456532d47abcf476115abeee33

  • SSDEEP

    3072:ybfupze+Lo2RuB/1fYlQHqzx806EhafJtRXpWOvB66EMxZkbw8eFLZBbsUYVayOl:4Oe+RR+NFKzDheL8gxqbbeFT

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
  • Sets file execution options in registry 2 TTPs 18 IoCs
  • UPX packed file 14 IoCs

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

  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 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 5 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 6 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888.exe
    "C:\Users\Admin\AppData\Local\Temp\cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1096
    • C:\Users\Admin\AppData\Local\Temp\cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888.exe
      "C:\Users\Admin\AppData\Local\Temp\cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888.exe"
      2⤵
      • Loads dropped DLL
      • Maps connected drives based on registry
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1808
      • C:\Windows\SysWOW64\wmplv64.exe
        "C:\Windows\SysWOW64\wmplv64.exe" C:\Users\Admin\AppData\Local\Temp\CAC7AA~1.EXE
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:952
        • C:\Windows\SysWOW64\wmplv64.exe
          "C:\Windows\SysWOW64\wmplv64.exe" C:\Users\Admin\AppData\Local\Temp\CAC7AA~1.EXE
          4⤵
          • Modifies firewall policy service
          • Executes dropped EXE
          • Sets file execution options in registry
          • 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:1784
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1276

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\wmplv64.exe

      Filesize

      259KB

      MD5

      dc5960e94932cddb25a0118729234ec4

      SHA1

      2615246d4d3832e0a1ad2bd8825300ae8153a14f

      SHA256

      cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888

      SHA512

      604cda59a9758e8a35814bb6100f6be4f51d645e83ec9e269c8c29233de0cf90ea22f5eb2245bc8918a4506c47e32556ae2185456532d47abcf476115abeee33

    • C:\Windows\SysWOW64\wmplv64.exe

      Filesize

      259KB

      MD5

      dc5960e94932cddb25a0118729234ec4

      SHA1

      2615246d4d3832e0a1ad2bd8825300ae8153a14f

      SHA256

      cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888

      SHA512

      604cda59a9758e8a35814bb6100f6be4f51d645e83ec9e269c8c29233de0cf90ea22f5eb2245bc8918a4506c47e32556ae2185456532d47abcf476115abeee33

    • C:\Windows\SysWOW64\wmplv64.exe

      Filesize

      259KB

      MD5

      dc5960e94932cddb25a0118729234ec4

      SHA1

      2615246d4d3832e0a1ad2bd8825300ae8153a14f

      SHA256

      cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888

      SHA512

      604cda59a9758e8a35814bb6100f6be4f51d645e83ec9e269c8c29233de0cf90ea22f5eb2245bc8918a4506c47e32556ae2185456532d47abcf476115abeee33

    • \Windows\SysWOW64\wmplv64.exe

      Filesize

      259KB

      MD5

      dc5960e94932cddb25a0118729234ec4

      SHA1

      2615246d4d3832e0a1ad2bd8825300ae8153a14f

      SHA256

      cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888

      SHA512

      604cda59a9758e8a35814bb6100f6be4f51d645e83ec9e269c8c29233de0cf90ea22f5eb2245bc8918a4506c47e32556ae2185456532d47abcf476115abeee33

    • \Windows\SysWOW64\wmplv64.exe

      Filesize

      259KB

      MD5

      dc5960e94932cddb25a0118729234ec4

      SHA1

      2615246d4d3832e0a1ad2bd8825300ae8153a14f

      SHA256

      cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888

      SHA512

      604cda59a9758e8a35814bb6100f6be4f51d645e83ec9e269c8c29233de0cf90ea22f5eb2245bc8918a4506c47e32556ae2185456532d47abcf476115abeee33

    • memory/952-87-0x0000000000400000-0x0000000000443000-memory.dmp

      Filesize

      268KB

    • memory/952-80-0x0000000000400000-0x0000000000443000-memory.dmp

      Filesize

      268KB

    • memory/1096-63-0x0000000000400000-0x0000000000443000-memory.dmp

      Filesize

      268KB

    • memory/1276-93-0x0000000002960000-0x000000000297E000-memory.dmp

      Filesize

      120KB

    • memory/1784-92-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/1784-91-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/1784-90-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/1784-89-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/1808-58-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/1808-60-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/1808-74-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/1808-57-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/1808-69-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/1808-54-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/1808-55-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/1808-68-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/1808-67-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/1808-66-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/1808-65-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/1808-64-0x0000000075211000-0x0000000075213000-memory.dmp

      Filesize

      8KB