Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 19:46

General

  • Target

    539c0d286142ccc9e494ce3ec1067d844dea3e14b800cacdcc33643a396341d8N.dll

  • Size

    76KB

  • MD5

    32d6111b3331a59363bbe9e1988e95f0

  • SHA1

    903bbd15c11b3de87e94bdc443b46779576ea890

  • SHA256

    539c0d286142ccc9e494ce3ec1067d844dea3e14b800cacdcc33643a396341d8

  • SHA512

    defa747ef5d67a6aaba9c63f4c33bdd84f03904d8a163f1fd8c270f6015b9f7f390449fa3a55c3e749ef56b7a3c71d1af9178ce023e75b6b5efecbfb738ef9dc

  • SSDEEP

    1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZtmrhQt:c8y93KQjy7G55riF1cMo03er0

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\539c0d286142ccc9e494ce3ec1067d844dea3e14b800cacdcc33643a396341d8N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4956
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\539c0d286142ccc9e494ce3ec1067d844dea3e14b800cacdcc33643a396341d8N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2364
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2364 -s 708
        3⤵
        • Program crash
        PID:3008
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 2364 -ip 2364
    1⤵
      PID:924

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2364-0-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/2364-2-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB