Analysis

  • max time kernel
    176s
  • max time network
    188s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 13:26

General

  • Target

    a9b041faf060e9f26dda7141b507111160e84c936c70e112d3d2189256720dfd.exe

  • Size

    839KB

  • MD5

    f908b20304aadf00d5a0e107679bf442

  • SHA1

    2415c69b8b653d471ded52919bc115b9eb4e09ac

  • SHA256

    a9b041faf060e9f26dda7141b507111160e84c936c70e112d3d2189256720dfd

  • SHA512

    b24a316057b6ecd5969c54735fc66c66d2ced313157cbc4e039b323d0dc36eeecd9d88ff0f8a0b2f1955af6bb59097ef5fae0978b65513263bccd794232c9837

  • SSDEEP

    24576:b/S8IpR72uoyJajtBc3CWhNpLOA2vWDqMq/qBq:7OavmkmCWpL+FtSs

Score
9/10

Malware Config

Signatures

  • Checks for common network interception software 1 TTPs

    Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

  • Enumerates VirtualBox registry keys 2 TTPs 1 IoCs
  • UPX packed file 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a9b041faf060e9f26dda7141b507111160e84c936c70e112d3d2189256720dfd.exe
    "C:\Users\Admin\AppData\Local\Temp\a9b041faf060e9f26dda7141b507111160e84c936c70e112d3d2189256720dfd.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2492
    • C:\Users\Admin\AppData\Local\Temp\a9b041faf060e9f26dda7141b507111160e84c936c70e112d3d2189256720dfd.exe
      C:\Users\Admin\AppData\Local\Temp\a9b041faf060e9f26dda7141b507111160e84c936c70e112d3d2189256720dfd.exe
      2⤵
      • Enumerates VirtualBox registry keys
      • Suspicious behavior: EnumeratesProcesses
      PID:4264
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4264 -s 532
        3⤵
        • Program crash
        PID:3008
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4264 -ip 4264
    1⤵
      PID:1992

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2492-132-0x0000000000400000-0x0000000000554000-memory.dmp

      Filesize

      1.3MB

    • memory/2492-146-0x0000000000400000-0x0000000000554000-memory.dmp

      Filesize

      1.3MB

    • memory/4264-137-0x0000000000400000-0x00000000004C4000-memory.dmp

      Filesize

      784KB

    • memory/4264-133-0x0000000000000000-mapping.dmp

    • memory/4264-136-0x0000000000400000-0x00000000004C4000-memory.dmp

      Filesize

      784KB

    • memory/4264-138-0x0000000000400000-0x00000000004C4000-memory.dmp

      Filesize

      784KB

    • memory/4264-135-0x0000000000400000-0x00000000004C4000-memory.dmp

      Filesize

      784KB

    • memory/4264-139-0x0000000000400000-0x00000000004C4000-memory.dmp

      Filesize

      784KB

    • memory/4264-140-0x0000000000400000-0x00000000004C4000-memory.dmp

      Filesize

      784KB

    • memory/4264-141-0x0000000000400000-0x00000000004C4000-memory.dmp

      Filesize

      784KB

    • memory/4264-142-0x0000000000400000-0x00000000004C4000-memory.dmp

      Filesize

      784KB

    • memory/4264-143-0x0000000000400000-0x00000000004C4000-memory.dmp

      Filesize

      784KB

    • memory/4264-144-0x0000000000400000-0x00000000004C4000-memory.dmp

      Filesize

      784KB

    • memory/4264-134-0x0000000000400000-0x00000000004C4000-memory.dmp

      Filesize

      784KB

    • memory/4264-147-0x0000000000400000-0x00000000004C4000-memory.dmp

      Filesize

      784KB