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Analysis

  • max time kernel
    170s
  • max time network
    177s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/01/2024, 00:09

General

  • Target

    44c90e1a691f7f91ba4daf67fb1db097.exe

  • Size

    108KB

  • MD5

    44c90e1a691f7f91ba4daf67fb1db097

  • SHA1

    80819048515c576e689de40e115dcd3311a645cd

  • SHA256

    40841ab719d026f1e65374c9540fc11ba6dbc43283b78cf8495e6a3723428e2a

  • SHA512

    485254c4a3b822fe5cae404eb2ccde95a800c9b92d2fc84e18e52846285742acf95e34732568e45fad36322105eb3a9cc19d12848dd35a472ba40945f3742608

  • SSDEEP

    1536:2UX/V5Djes5mBVKuCrENMRs7IZKLwhJt5G35Xm4ofWmkVpgWKBjWSKM8IVbnOhaI:BX/XQCs7IZIWypCnHm

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 50 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\44c90e1a691f7f91ba4daf67fb1db097.exe
    "C:\Users\Admin\AppData\Local\Temp\44c90e1a691f7f91ba4daf67fb1db097.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4052
    • C:\Users\Admin\wuegi.exe
      "C:\Users\Admin\wuegi.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:3100

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\wuegi.exe

    Filesize

    108KB

    MD5

    63397347c8c3aa6efc5c91b7a6ba3ede

    SHA1

    4f2d44aa97b0dcfb38eece72e315add1c450fe08

    SHA256

    f7c7657f38d4ce7c6e6ca5fd3487e86abafb797cae6f4402efcc1893ea146737

    SHA512

    a6a03b0beeb68cd69829757ac7eb6e4ab756944d79845e17f46ab4d598f361572a2a83c55cc4814c0613007a1e50c0faf8001df56e5069f8b5a5d2911193b681