Analysis

  • max time kernel
    149s
  • max time network
    181s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    05/05/2026, 04:29

General

  • Target
    Class of '09/lib/py2-windows-i686/libgcc_s_dw2-1.dll
  • Size 833KB
  • Sample260505-e4ppaagv3t
  • SHA256 ed72c25448c3d307cfcfbc12f8671e24de7cc769f078c3b2f255048c2633b9f0
  • MD5 SHA1 SHA512 SSDEEP TLSH
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 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Class of '09\lib\py2-windows-i686\libgcc_s_dw2-1.dll",#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1468
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Class of '09\lib\py2-windows-i686\libgcc_s_dw2-1.dll",#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4512
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 604
        3⤵
        • Program crash
        PID:1976
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4512 -ip 4512
    1⤵
      PID:4268

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          memory/4512-0-0x0000000000740000-0x0000000000860000-memory.dmp

          memory/4512-1-0x0000000075510000-0x00000000755D7000-memory.dmp