Analysis

  • max time kernel
    92s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/01/2025, 16:18

General

  • Target

    $PLUGINSDIR/KuWoNsis_new.dll

  • Size

    97KB

  • MD5

    f243c563c74cd304f2217f83d8157f55

  • SHA1

    6c191feb9b9fce845afc3801c1abc38244859d87

  • SHA256

    5f0962ab4437230f51023734e6812d3030cdbcc8043984f1aa9cb1a5d69deb99

  • SHA512

    9c2b7ea1bca62b329e7c47dae53faade3e06bddfed176bd4560c6d893851badcc70f305149a7d19bd416ae31c3a2bede30150d9ac951906d9c906374a965f257

  • SSDEEP

    1536:vlC24mOWnZjB9kSN26hzazma4ekJuG3hltjvafCM:vlC24dWxk76hzy2uG3hl1CD

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\$PLUGINSDIR\KuWoNsis_new.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1000
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\KuWoNsis_new.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4812
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4812 -s 616
        3⤵
        • Program crash
        PID:3984
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4812 -ip 4812
    1⤵
      PID:4068

    Network

          MITRE ATT&CK Enterprise v15

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          Downloads