Resubmissions

22/08/2024, 14:53

240822-r9gxvavhpn3

22/08/2024, 14:49

240822-r631xasfrh5

22/08/2024, 14:35

240822-ryadmasckd9

Analysis

  • max time kernel
    1466s
  • max time network
    1479s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    22/08/2024, 14:35

General

  • Target
    $PLUGINSDIR/BgWorker.dll
  • Size 2KB
  • Sample240822-ryadmasckd
  • SHA256 50f735ab8f3473423e6873d628150bbc0777be7b4f6405247cddf22bb00fb6be
  • MD5 SHA1 SHA512
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:1980
    • 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:1216
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1216 -s 452
        3⤵
        • Program crash
        PID:2116
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1216 -ip 1216
    1⤵
      PID:3840

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads