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Analysis

  • max time kernel
    95s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/02/2025, 07:23

General

  • Target

    cf59971a43fa5b09bc4b40303dcd144988be2ca6199bc59d0beebcc0ec0f92ee.dll

  • Size

    76KB

  • MD5

    ae96d3f52f8cabe3be3cb53ffff51c54

  • SHA1

    3395ad0bcc4ce216ba8c854d2d6d636b3f4120ae

  • SHA256

    cf59971a43fa5b09bc4b40303dcd144988be2ca6199bc59d0beebcc0ec0f92ee

  • SHA512

    99a088b762c6535bd5117c54447621545a11994eab862f2c8af1338627a2162684a4c907053ad0a3bf4cd268bbf2e44a262c16d4963af659b8a6d4b16bfbe72b

  • SSDEEP

    1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZwWkB+:c8y93KQjy7G55riF1cMo03yfA

Malware Config

Signatures

  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf59971a43fa5b09bc4b40303dcd144988be2ca6199bc59d0beebcc0ec0f92ee.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3864
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf59971a43fa5b09bc4b40303dcd144988be2ca6199bc59d0beebcc0ec0f92ee.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:3116
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3116 -s 700
        3⤵
        • Program crash
        PID:4948
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3116 -ip 3116
    1⤵
      PID:4788

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3116-0-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3116-2-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB