Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2024 12:42

General

  • Target

    Wolfteam/api_ms_win_core_timezone_l1_1_0.dll

  • Size

    18KB

  • MD5

    fbfd4e793c857621f39f072eda5090df

  • SHA1

    a58fc3833c54916b1f5bdf7a795782a3fd9350d2

  • SHA256

    a64bc428270acd0abe920239d79930dd0bff1e800adf4d746e55d86d59edac25

  • SHA512

    851e0f35cf4f2cd4b35c106e0cd1911b26116aa96592ce9cf788355ed17f72cf5e1c0833435bf1528300b8440e049b652391c13202721cdafa4b01c47461ec3b

  • SSDEEP

    384:8WEhWXcWVF0GftpBjLdVLIUc4HRN7OE9Vl3t3Mgr:a8+ibVEUBOE9eQ

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\Wolfteam\api_ms_win_core_timezone_l1_1_0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1936
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\Wolfteam\api_ms_win_core_timezone_l1_1_0.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4692
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4692 -s 600
        3⤵
        • Program crash
        PID:5108
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4692 -ip 4692
    1⤵
      PID:1276

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads