Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/09/2026, 02:10

General

  • Target
    cygwin1.dll
  • Size 3.3MB
  • Sample260930-clq4aat19j
  • SHA256 7203f05765c21579807d425714d29a3022e6e045a5e1925c62fbb6f670baa420
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10

Malware Config

Signatures

  • 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 AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\cygwin1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3780
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\cygwin1.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2064

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        memory/2064-1-0x00000000612E3000-0x00000000612E4000-memory.dmp

        memory/2064-0-0x0000000061000000-0x00000000614F0000-memory.dmp