Analysis

  • max time kernel
    133s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    21/03/2024, 07:33

General

  • Target

    Bedwarmer.ps1

  • Size

    58KB

  • MD5

    aae5fcb1e66470ef7a08ea335b80ac05

  • SHA1

    9422c0898c87a134c72c6ffa35c594d93dba9dc9

  • SHA256

    8bd9205c7c8f112ff5cba1307842eddccc18e20e227cccb7b74e6a24e686b8b0

  • SHA512

    031d187a47a9b687d6822f34e74029f2f1cf4eb8687dc2846a3d84efbf9d30d5459870842a22cdab89130915501e2593f79b2a32da5c266d382120e0a042b072

  • SSDEEP

    1536:kIA6tvaB6ot7AWRT/HFQzHYDLaKzxxkRq:kIltiBhzlQELaKzjD

Score
8/10

Malware Config

Signatures

  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of FindShellTrayWindow 29 IoCs
  • Suspicious use of SendNotifyMessage 22 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\Bedwarmer.ps1
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:856
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe" /c "set /A 1^^0"
      2⤵
        PID:2980
      • C:\Windows\system32\wermgr.exe
        "C:\Windows\system32\wermgr.exe" "-outproc" "856" "1140"
        2⤵
          PID:2732
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Modifies registry class
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2292

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\OutofProcReport259399974.txt

        Filesize

        1KB

        MD5

        5ba36a75fcfed55b0d6f545c4a9bd684

        SHA1

        4d3542d14aad9ade62981228ef614f9296fd708c

        SHA256

        ee35ab49e9081362ad24b3b87d1ad572f323a47a48d18a593520cc2078dc9eb0

        SHA512

        67e81dd63b11860349eed18cf451eabf6b0b4325766b9d157dc2db3f7694ab58e862fa9be656ed62b2cfd4c95535e4df84fc36010b62eaed838ee5896d77b5c5

      • memory/856-13-0x0000000002DA0000-0x0000000002E20000-memory.dmp

        Filesize

        512KB

      • memory/856-17-0x0000000002DA0000-0x0000000002E20000-memory.dmp

        Filesize

        512KB

      • memory/856-7-0x0000000002DA0000-0x0000000002E20000-memory.dmp

        Filesize

        512KB

      • memory/856-8-0x000007FEF5A60000-0x000007FEF63FD000-memory.dmp

        Filesize

        9.6MB

      • memory/856-9-0x0000000002DA0000-0x0000000002E20000-memory.dmp

        Filesize

        512KB

      • memory/856-11-0x0000000002DA0000-0x0000000002E20000-memory.dmp

        Filesize

        512KB

      • memory/856-6-0x000007FEF5A60000-0x000007FEF63FD000-memory.dmp

        Filesize

        9.6MB

      • memory/856-5-0x0000000002820000-0x0000000002828000-memory.dmp

        Filesize

        32KB

      • memory/856-10-0x0000000002DA0000-0x0000000002E20000-memory.dmp

        Filesize

        512KB

      • memory/856-15-0x0000000002BC0000-0x0000000002BC4000-memory.dmp

        Filesize

        16KB

      • memory/856-4-0x000000001B800000-0x000000001BAE2000-memory.dmp

        Filesize

        2.9MB

      • memory/856-18-0x000007FEF5A60000-0x000007FEF63FD000-memory.dmp

        Filesize

        9.6MB

      • memory/2292-19-0x0000000004480000-0x0000000004481000-memory.dmp

        Filesize

        4KB

      • memory/2292-20-0x0000000004480000-0x0000000004481000-memory.dmp

        Filesize

        4KB

      • memory/2292-24-0x0000000003AF0000-0x0000000003B00000-memory.dmp

        Filesize

        64KB