Overview

overview

7

Static

static

3

8fb1931a1f...c1.exe

windows7-x64

7

8fb1931a1f...c1.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/01/2024, 01:30

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General

  • Target

    8fb1931a1fbe7fa2bde539b607389ad1ce16408bb44c522cb0c23d69b2576dc1.exe

  • Size

    195KB

  • MD5

    89324ed29be60d840530792af8f30a8b

  • SHA1

    d40a3c45f8184f32c7c68c3cd48899f532a08b9d

  • SHA256

    8fb1931a1fbe7fa2bde539b607389ad1ce16408bb44c522cb0c23d69b2576dc1

  • SHA512

    7de5311564835a4d2dad0568d77d7e7e5f0aed22bb8d85eeeffb6ece89a75013755e84b45735b1eaf065cc5779ae3eab52e96806ffb367697980ebae0c683a53

  • SSDEEP

    6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOC:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXX3

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8fb1931a1fbe7fa2bde539b607389ad1ce16408bb44c522cb0c23d69b2576dc1.exe
    "C:\Users\Admin\AppData\Local\Temp\8fb1931a1fbe7fa2bde539b607389ad1ce16408bb44c522cb0c23d69b2576dc1.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:452
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\8FB193~1.EXE > nul
      2⤵
        PID:2036
    • C:\Windows\Debug\lwshost.exe
      C:\Windows\Debug\lwshost.exe
      1⤵
      • Executes dropped EXE
      • Checks processor information in registry
      PID:2680

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\Debug\lwshost.exe
      Filesize

      195KB

      MD5

      68fd1235f607643626eaed469971a021

      SHA1

      799bec5718f5b20c98f3f0e4bc4b8d24416008a1

      SHA256

      b83a26426e3b1b60b795c89580bb5dc97377f4c3cdecbbb94e52d9105f188229

      SHA512

      e5d227a78654de59094214458dc2d6af0e93fb2a8254049f76ec5fe1d5ba2ba4162833800681a27c2b49dc8c2d88640329680a823261a32e8b197f29fe1fb046

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