Analysis

  • max time kernel
    134s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    21/03/2024, 03:55

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 use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of FindShellTrayWindow 30 IoCs
  • Suspicious use of SendNotifyMessage 18 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:1052
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe" /c "set /A 1^^0"
      2⤵
        PID:1296
      • C:\Windows\system32\wermgr.exe
        "C:\Windows\system32\wermgr.exe" "-outproc" "1052" "1140"
        2⤵
          PID:2476
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1272

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\OutofProcReport259489331.txt

        Filesize

        1KB

        MD5

        36d7256076304a52c0027aff6c9cef8d

        SHA1

        8b0549de49e71356ae3cde0ce0923f2f9946c3a2

        SHA256

        512b0c3dc2d37b408a125f9fbe738e818aeedf92e2e2e419605127422a5b4ac8

        SHA512

        517811181fb898775a7e1cbf2ab65ab857e1008c38b8bc1e39787575ef4d7760fd7513d4db429cdd619a5b1e110fa9960cc87687d49512ebd543dd995a9a4035

      • memory/1052-13-0x0000000002950000-0x00000000029D0000-memory.dmp

        Filesize

        512KB

      • memory/1052-17-0x000007FEF6530000-0x000007FEF6ECD000-memory.dmp

        Filesize

        9.6MB

      • memory/1052-6-0x00000000023A0000-0x00000000023A8000-memory.dmp

        Filesize

        32KB

      • memory/1052-8-0x0000000002950000-0x00000000029D0000-memory.dmp

        Filesize

        512KB

      • memory/1052-9-0x0000000002950000-0x00000000029D0000-memory.dmp

        Filesize

        512KB

      • memory/1052-10-0x000007FEF6530000-0x000007FEF6ECD000-memory.dmp

        Filesize

        9.6MB

      • memory/1052-7-0x0000000002950000-0x00000000029D0000-memory.dmp

        Filesize

        512KB

      • memory/1052-14-0x000000001B660000-0x000000001B664000-memory.dmp

        Filesize

        16KB

      • memory/1052-11-0x0000000002950000-0x00000000029D0000-memory.dmp

        Filesize

        512KB

      • memory/1052-5-0x000007FEF6530000-0x000007FEF6ECD000-memory.dmp

        Filesize

        9.6MB

      • memory/1052-4-0x000000001B1B0000-0x000000001B492000-memory.dmp

        Filesize

        2.9MB

      • memory/1052-18-0x0000000002950000-0x00000000029D0000-memory.dmp

        Filesize

        512KB

      • memory/1272-19-0x0000000004440000-0x0000000004441000-memory.dmp

        Filesize

        4KB

      • memory/1272-20-0x0000000004440000-0x0000000004441000-memory.dmp

        Filesize

        4KB

      • memory/1272-24-0x00000000026C0000-0x00000000026D0000-memory.dmp

        Filesize

        64KB