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Analysis

  • max time kernel
    141s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    05/03/2024, 14:46

General

  • Target

    b4f52848c48aea663e5344e33a1b087a.exe

  • Size

    609KB

  • MD5

    b4f52848c48aea663e5344e33a1b087a

  • SHA1

    952e076be5498fcbb41123070c5a297c329e2395

  • SHA256

    25510d20b983dbfc0443684dd1674192cb32b9ab06a2ab9e67e2db6f99ead154

  • SHA512

    5e78c19e2084ae3c9f90be86e4458ded13cea66f2185bc26637a2b00f8ff57d5d1da09ed99f47b981e59815ef63ee7d10ffb506157b178e95fa56356e8dc997e

  • SSDEEP

    12288:BLcKp2Adls/rnjs7RLKslAmJSv4KMwUU9d8Kb6a:CK2GsD4RLTlzJSv4sGKGa

Score
7/10
upx

Malware Config

Signatures

  • 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 use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b4f52848c48aea663e5344e33a1b087a.exe
    "C:\Users\Admin\AppData\Local\Temp\b4f52848c48aea663e5344e33a1b087a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2164
    • C:\Users\Admin\AppData\Local\Temp\b4f52848c48aea663e5344e33a1b087a.exe
      C:\Users\Admin\AppData\Local\Temp\b4f52848c48aea663e5344e33a1b087a.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2080
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2080 -s 128
        3⤵
        • Program crash
        PID:2172

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2080-3-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/2080-6-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/2080-8-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/2080-9-0x00000000001B0000-0x00000000001C3000-memory.dmp

    Filesize

    76KB

  • memory/2164-0-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2164-5-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB