Analysis

  • max time kernel
    94s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 13:19

General

  • Target

    $PLUGINSDIR/BgWorker.dll

  • Size

    2KB

  • MD5

    33ec04738007e665059cf40bc0f0c22b

  • SHA1

    4196759a922e333d9b17bda5369f14c33cd5e3bc

  • SHA256

    50f735ab8f3473423e6873d628150bbc0777be7b4f6405247cddf22bb00fb6be

  • SHA512

    2318b01f0c2f2f021a618ca3e6e5c24a94df5d00154766b77160203b8b0a177c8581c7b688ffe69be93a69bc7fd06b8a589844d42447f5060fb4bcf94d8a9aef

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\$PLUGINSDIR\BgWorker.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2704
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\BgWorker.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2804
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2804 -s 604
        3⤵
        • Program crash
        PID:4012
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2804 -ip 2804
    1⤵
      PID:4464

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads