Analysis

  • max time kernel
    26s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20-10-2022 19:14

General

  • Target

    f4237e24e2b59730356c178563bfa372463fac8e896f5b90b46535bf2931e995.exe

  • Size

    2.3MB

  • MD5

    7ccb77b7d3c1d1e9380b50fc55b0a3ba

  • SHA1

    10872b5e2f939f80c062475502c0fc7c9354bc6b

  • SHA256

    f4237e24e2b59730356c178563bfa372463fac8e896f5b90b46535bf2931e995

  • SHA512

    b488a3b7718491f08bbbfed430a2640ece3f22a5beadc3a753f7ba5648b5aae43e90ca761cbcceeafe0404813999c60c51671e157d549caf0651c674de67090b

  • SSDEEP

    49152:vKh+dSXhhUjls8+N6KQxyEgi7o2fd7Pz6Pz6Pz6Pz6Pz6PzVQcOU7m6lTteP7F:vKhsIhhUjls8M6Uhioud7r6r6r6r6r6q

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f4237e24e2b59730356c178563bfa372463fac8e896f5b90b46535bf2931e995.exe
    "C:\Users\Admin\AppData\Local\Temp\f4237e24e2b59730356c178563bfa372463fac8e896f5b90b46535bf2931e995.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2000
    • C:\Users\Admin\AppData\Roaming\Protector-bwfu.exe
      C:\Users\Admin\AppData\Roaming\Protector-bwfu.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1736
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Local\Temp\F4237E~1.EXE" >> NUL
      2⤵
        PID:1556

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Protector-bwfu.exe

      Filesize

      2.3MB

      MD5

      7ccb77b7d3c1d1e9380b50fc55b0a3ba

      SHA1

      10872b5e2f939f80c062475502c0fc7c9354bc6b

      SHA256

      f4237e24e2b59730356c178563bfa372463fac8e896f5b90b46535bf2931e995

      SHA512

      b488a3b7718491f08bbbfed430a2640ece3f22a5beadc3a753f7ba5648b5aae43e90ca761cbcceeafe0404813999c60c51671e157d549caf0651c674de67090b

    • \Users\Admin\AppData\Roaming\Protector-bwfu.exe

      Filesize

      2.3MB

      MD5

      7ccb77b7d3c1d1e9380b50fc55b0a3ba

      SHA1

      10872b5e2f939f80c062475502c0fc7c9354bc6b

      SHA256

      f4237e24e2b59730356c178563bfa372463fac8e896f5b90b46535bf2931e995

      SHA512

      b488a3b7718491f08bbbfed430a2640ece3f22a5beadc3a753f7ba5648b5aae43e90ca761cbcceeafe0404813999c60c51671e157d549caf0651c674de67090b

    • \Users\Admin\AppData\Roaming\Protector-bwfu.exe

      Filesize

      2.3MB

      MD5

      7ccb77b7d3c1d1e9380b50fc55b0a3ba

      SHA1

      10872b5e2f939f80c062475502c0fc7c9354bc6b

      SHA256

      f4237e24e2b59730356c178563bfa372463fac8e896f5b90b46535bf2931e995

      SHA512

      b488a3b7718491f08bbbfed430a2640ece3f22a5beadc3a753f7ba5648b5aae43e90ca761cbcceeafe0404813999c60c51671e157d549caf0651c674de67090b

    • memory/1736-64-0x0000000000280000-0x00000000002E0000-memory.dmp

      Filesize

      384KB

    • memory/1736-63-0x0000000002000000-0x00000000024B1000-memory.dmp

      Filesize

      4.7MB

    • memory/2000-57-0x0000000003540000-0x00000000037D0000-memory.dmp

      Filesize

      2.6MB

    • memory/2000-56-0x0000000000410000-0x0000000000470000-memory.dmp

      Filesize

      384KB

    • memory/2000-54-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

      Filesize

      8KB

    • memory/2000-55-0x0000000002000000-0x00000000024B1000-memory.dmp

      Filesize

      4.7MB

    • memory/2000-66-0x0000000002000000-0x00000000024B1000-memory.dmp

      Filesize

      4.7MB

    • memory/2000-67-0x0000000000410000-0x0000000000470000-memory.dmp

      Filesize

      384KB