Analysis

  • max time kernel
    30s
  • max time network
    24s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 01:27

General

  • Target

    Uy9ey23Uewvje3r5nUrM.dll

  • Size

    432KB

  • MD5

    bd4abcced01d22f1b083552bc3e05d76

  • SHA1

    389d6a6f0a8348bb833385d6ecac4fb4eb7a3a78

  • SHA256

    0366785403e8e7ca8bb25190c4f4fd50f2d50533f4d8bac2765f277bd803d1e2

  • SHA512

    f8bfaa7e3ee2961c12f4970f1cc088d0d3cc3bc992a11e31d4a67f046cd8f0475eef634410fb36bf1f0368658cf74462ef64d54d9ddeaef127d42604436d20a0

  • SSDEEP

    6144:vpWcLvO/wIdXhnCpeG7TQWr+eZ3hH4otpc+R9RD1Kbw3F:vpWczO/wIdXQPFZ3tvtyo9RDD3F

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\Uy9ey23Uewvje3r5nUrM.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5072
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\Uy9ey23Uewvje3r5nUrM.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1760
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1760 -s 652
        3⤵
        • Program crash
        PID:2756
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1760 -ip 1760
    1⤵
      PID:1980

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads