Analysis

  • max time kernel
    93s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-11-2024 05:08

General

  • Target

    GNU/zlib1.dll

  • Size

    58KB

  • MD5

    80e41408f6d641dc1c0f5353a0cc8125

  • SHA1

    6d957ba632df5b06d49a901f2772df4301610a2a

  • SHA256

    b09537250201236472ccd3caff5c0c12a5fad262e1e951350e9e5ed2a81d9dde

  • SHA512

    857d4dc087c73f00d79bf70edfc67ddc0b15a86a4fff366d91e5ef6684af43eed7dcf8579f6b4fb35dedd090973e2bde1a82aae07642136b608eeb1d567e5c03

  • SSDEEP

    1536:b/jUwfZ7BURaHUry7nToIfYIOlIO+CM6:1x7BURaHUrgTBfev+CM6

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\GNU\zlib1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3592
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\GNU\zlib1.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1416
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1416 -s 604
        3⤵
        • Program crash
        PID:2024
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1416 -ip 1416
    1⤵
      PID:1456

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads