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Overview

overview

10

Static

static

8

bae23b00f2...36.exe

windows7-x64

10

bae23b00f2...36.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    152s
  • max time network
    164s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2022, 05:15

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General

  • Target

    bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe

  • Size

    252KB

  • MD5

    66ad6e9c759d90925f4fb4f0f1971460

  • SHA1

    69ea49c6eb0bf5f1815485f41984f0d687de5669

  • SHA256

    bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536

  • SHA512

    24282b53543a571607b0326a8ff36bd507e68d33682f5bebdbfb4c7f12547a27e1e2d68085a305dc289af3554b836bd86df2fe5e2a89ec66e3b7a1a968e8f66e

  • SSDEEP

    3072:B51kljkliKj1FZTmsijT7ejdag5GnTJUBxm1gYQANES7gujbWt0iUEQUjFOLpeON:31wkbei/5GTJU4gY3LEuPU0D6O1ge

Score
10/10
evasionpersistenceupx

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Disables Task Manager via registry modification
    evasion
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
    persistence
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 7 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies registry class 20 IoCs
  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 52 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe
    "C:\Users\Admin\AppData\Local\Temp\bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Disables RegEdit via registry modification
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:948
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /C AT /delete /yes
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1516
      • C:\Windows\SysWOW64\at.exe
        AT /delete /yes
        3⤵
          PID:1424
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\anhui.exe
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1136
        • C:\Windows\SysWOW64\at.exe
          AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\anhui.exe
          3⤵
            PID:1400
      • 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:1392
      • C:\Windows\system32\AUDIODG.EXE
        C:\Windows\system32\AUDIODG.EXE 0x494
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1220
      • 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:1000
      • 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:1292
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SendNotifyMessage
        PID:928

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/928-66-0x000007FEFB741000-0x000007FEFB743000-memory.dmp

        Filesize

        8KB

        Download

      • memory/948-54-0x0000000075DA1000-0x0000000075DA3000-memory.dmp

        Filesize

        8KB

        Download

      • memory/948-58-0x0000000000400000-0x0000000000496000-memory.dmp

        Filesize

        600KB

        Download

      • memory/948-62-0x0000000000400000-0x0000000000496000-memory.dmp

        Filesize

        600KB

        Download

      • memory/1000-64-0x000007FEFB1A1000-0x000007FEFB1A3000-memory.dmp

        Filesize

        8KB

        Download

      • memory/1292-65-0x000007FEFBA61000-0x000007FEFBA63000-memory.dmp

        Filesize

        8KB

        Download

      • memory/1392-63-0x000007FEFB841000-0x000007FEFB843000-memory.dmp

        Filesize

        8KB

        Download