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Analysis

  • max time kernel
    337s
  • max time network
    401s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/12/2022, 20:54

General

  • Target

    ľͷˡ10.5A .exe

  • Size

    3.1MB

  • MD5

    6888bf89383dc531b5f48565473ff282

  • SHA1

    8a5637aaabdf6cf33f01497a8a30f6df1d3c8423

  • SHA256

    28277d5645f1d59fda3b93f301ccadb051a4de4263ae3e26f7b7347ca4ec0816

  • SHA512

    44c6744af094eb9aaf0e1778069e8b591880fb57ae3d5140db52273523e43f43c07249afd9b7ab3f64d7d8f2f952b8d7ce5123c9d46ebcec3d1c1bbe64c8be84

  • SSDEEP

    49152:FZzgXr4iTZaqdwk0c05HGimCJLMBXVr05fc0rw:vcr4iYqdwkLcHHpYnRl

Score
9/10

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Blocks application from running via registry modification 6 IoCs

    Adds application to list of disallowed applications.

  • Drops file in Drivers directory 1 IoCs
  • UPX packed file 2 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ľͷˡ10.5A .exe
    "C:\Users\Admin\AppData\Local\Temp\ľͷˡ10.5A .exe"
    1⤵
    • Blocks application from running via registry modification
    • Drops file in Drivers directory
    • Checks computer location settings
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4628
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" www.x5mtr.com
      2⤵
      • Modifies Internet Explorer settings
      PID:2412

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\SkinH_EL.dll

    Filesize

    86KB

    MD5

    147127382e001f495d1842ee7a9e7912

    SHA1

    92d1ed56032183c75d4b57d7ce30b1c4ae11dc9b

    SHA256

    edf679c02ea2e170e67ab20dfc18558e2bfb4ee5d59eceeaea4b1ad1a626c3cc

    SHA512

    97f5ae90a1bbacfe39b9e0f2954c24f9896cc9dca9d14364c438862996f3bbc04a4aa515742fccb3679d222c1302f5bb40c7eaddd6b5859d2d6ef79490243a4d

  • memory/4628-133-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB