Analysis

  • max time kernel
    145s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-10-2022 14:23

General

  • Target

    88238b9229cb7ed4864dc3ee37eea6cb8c098419badf807a19045f18167e891c.exe

  • Size

    1.7MB

  • MD5

    6ed097c7478105da712177a6d49d7e70

  • SHA1

    bb4df3e1299b83fa446c7cb641e69594cd11576a

  • SHA256

    88238b9229cb7ed4864dc3ee37eea6cb8c098419badf807a19045f18167e891c

  • SHA512

    c45e9db6885efa437ad5ebf8170d8665fd719d43bb7c99d27adc06b9fdbc642d50bdf8edd510a3dd583aeeb1331f5ead028159c3361fb742ad1d93d230a58a83

  • SSDEEP

    24576:xthEVaPqLB/OXA8faoMTRpyikthEVaPqLB/OXA8faoMTRpyiZ:pEVUcwkB3V4EVUcwkB3VZ

Score
8/10
upx

Malware Config

Signatures

  • UPX packed file 4 IoCs

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

  • AutoIT Executable 3 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 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 FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\88238b9229cb7ed4864dc3ee37eea6cb8c098419badf807a19045f18167e891c.exe
    "C:\Users\Admin\AppData\Local\Temp\88238b9229cb7ed4864dc3ee37eea6cb8c098419badf807a19045f18167e891c.exe"
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:508
    • C:\Users\Admin\AppData\Local\Temp\88238b9229cb7ed4864dc3ee37eea6cb8c098419badf807a19045f18167e891c.exe
      C:\Users\Admin\AppData\Local\Temp\88238b9229cb7ed4864dc3ee37eea6cb8c098419badf807a19045f18167e891c.exe /AutoIt3ExecuteScript "C:\Users\Admin\AppData\Local\Temp\test.a3x"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3644
      • \??\c:\windows\SysWOW64\svchost.exe
        "c:\windows\system32\svchost.exe"
        3⤵
          PID:4456

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\test.a3x

      Filesize

      397KB

      MD5

      4e4cddd13c848074c11d4f1d291c6aba

      SHA1

      53e0002cead55ba20ef6261b1a43967e612fb558

      SHA256

      4070ad29af1c0328ceec6b7032f2ff7fa94ee4adaead367f32c549d13ebbcf77

      SHA512

      261bca93ac6b50af8c96b22d74b5a740380516869b3773c5f162924e8825770ebf6b65da83ac578cb592cfe9997bee8433e55648d32c2f2da83297904fbebb76

    • memory/508-132-0x0000000000400000-0x0000000000516000-memory.dmp

      Filesize

      1.1MB

    • memory/508-134-0x0000000000400000-0x0000000000516000-memory.dmp

      Filesize

      1.1MB

    • memory/3644-133-0x0000000000000000-mapping.dmp

    • memory/3644-136-0x0000000000400000-0x0000000000516000-memory.dmp

      Filesize

      1.1MB

    • memory/3644-139-0x0000000000400000-0x0000000000516000-memory.dmp

      Filesize

      1.1MB

    • memory/4456-137-0x0000000000000000-mapping.dmp