Resubmissions

20-04-2024 17:03

240420-vkpg6sdb99 3

20-04-2024 16:55

240420-vfgxjada85 8

Analysis

  • max time kernel
    1418s
  • max time network
    1359s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-04-2024 16:55

General

  • Target

    $PLUGINSDIR/WinShell.dll

  • Size

    3KB

  • MD5

    1cc7c37b7e0c8cd8bf04b6cc283e1e56

  • SHA1

    0b9519763be6625bd5abce175dcc59c96d100d4c

  • SHA256

    9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

  • SHA512

    7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • 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\$PLUGINSDIR\WinShell.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4244
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\WinShell.dll,#1
      2⤵
        PID:940
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 940 -s 612
          3⤵
          • Program crash
          PID:3872
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 940 -ip 940
      1⤵
        PID:2768
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
        1⤵
          PID:2884
        • C:\Windows\System32\svchost.exe
          C:\Windows\System32\svchost.exe -k UnistackSvcGroup
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2816

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2816-0-0x000001D895E50000-0x000001D895E60000-memory.dmp
          Filesize

          64KB

        • memory/2816-16-0x000001D895F50000-0x000001D895F60000-memory.dmp
          Filesize

          64KB

        • memory/2816-32-0x000001D89E2C0000-0x000001D89E2C1000-memory.dmp
          Filesize

          4KB

        • memory/2816-34-0x000001D89E2F0000-0x000001D89E2F1000-memory.dmp
          Filesize

          4KB

        • memory/2816-35-0x000001D89E2F0000-0x000001D89E2F1000-memory.dmp
          Filesize

          4KB

        • memory/2816-36-0x000001D89E400000-0x000001D89E401000-memory.dmp
          Filesize

          4KB