Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/10/2024, 23:46

General

  • Target
    $_107_/$_107_/pfUI.dll
  • Size 18.2MB
  • Sample241015-3slegstake
  • SHA256 a639f28eb67410b9d685ff7eb564eb8c1a45f1116a6c520321510c8c6eb89923
  • MD5 SHA1 SHA512 SSDEEP
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\$_107_\$_107_\pfUI.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:540
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$_107_\$_107_\pfUI.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1860
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1860 -s 808
        3⤵
        • Program crash
        PID:4296
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1860 -ip 1860
    1⤵
      PID:4644

    Network

          MITRE ATT&CK Enterprise v15

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