Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 04:04

General

  • Target

    9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe

  • Size

    248KB

  • MD5

    6828479a089c1d86b084c76fe556db34

  • SHA1

    641fb9a40cfd11a441dc82bea1b18952accd4e4a

  • SHA256

    9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6

  • SHA512

    686b48beed869e02140af6e1f41cd59f7cc6577e50858f7add9a5ee411281808fdb2c09f1637254133487a7baf674676227f6d1c05b5bba3d737b132c75de9fe

  • SSDEEP

    6144:DZmRCDAl/iZXvlkWDDqSZdl3AGdMCsHU/:DcRCDMAeW/Tl3AGdM7HE

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe
    "C:\Users\Admin\AppData\Local\Temp\9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1212
    • C:\Users\Admin\AppData\Local\Temp\9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe
      "C:\Users\Admin\AppData\Local\Temp\9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe"
      2⤵
      • Modifies firewall policy service
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1788
      • C:\Users\Admin\574845857695457375489\winsvc.exe
        "C:\Users\Admin\574845857695457375489\winsvc.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1648
        • C:\Users\Admin\574845857695457375489\winsvc.exe
          "C:\Users\Admin\574845857695457375489\winsvc.exe"
          4⤵
          • Executes dropped EXE
          PID:1664

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\574845857695457375489\winsvc.exe

          Filesize

          248KB

          MD5

          6828479a089c1d86b084c76fe556db34

          SHA1

          641fb9a40cfd11a441dc82bea1b18952accd4e4a

          SHA256

          9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6

          SHA512

          686b48beed869e02140af6e1f41cd59f7cc6577e50858f7add9a5ee411281808fdb2c09f1637254133487a7baf674676227f6d1c05b5bba3d737b132c75de9fe

        • C:\Users\Admin\574845857695457375489\winsvc.exe

          Filesize

          248KB

          MD5

          6828479a089c1d86b084c76fe556db34

          SHA1

          641fb9a40cfd11a441dc82bea1b18952accd4e4a

          SHA256

          9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6

          SHA512

          686b48beed869e02140af6e1f41cd59f7cc6577e50858f7add9a5ee411281808fdb2c09f1637254133487a7baf674676227f6d1c05b5bba3d737b132c75de9fe

        • C:\Users\Admin\574845857695457375489\winsvc.exe

          Filesize

          248KB

          MD5

          6828479a089c1d86b084c76fe556db34

          SHA1

          641fb9a40cfd11a441dc82bea1b18952accd4e4a

          SHA256

          9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6

          SHA512

          686b48beed869e02140af6e1f41cd59f7cc6577e50858f7add9a5ee411281808fdb2c09f1637254133487a7baf674676227f6d1c05b5bba3d737b132c75de9fe

        • \Users\Admin\574845857695457375489\winsvc.exe

          Filesize

          248KB

          MD5

          6828479a089c1d86b084c76fe556db34

          SHA1

          641fb9a40cfd11a441dc82bea1b18952accd4e4a

          SHA256

          9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6

          SHA512

          686b48beed869e02140af6e1f41cd59f7cc6577e50858f7add9a5ee411281808fdb2c09f1637254133487a7baf674676227f6d1c05b5bba3d737b132c75de9fe

        • \Users\Admin\574845857695457375489\winsvc.exe

          Filesize

          248KB

          MD5

          6828479a089c1d86b084c76fe556db34

          SHA1

          641fb9a40cfd11a441dc82bea1b18952accd4e4a

          SHA256

          9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6

          SHA512

          686b48beed869e02140af6e1f41cd59f7cc6577e50858f7add9a5ee411281808fdb2c09f1637254133487a7baf674676227f6d1c05b5bba3d737b132c75de9fe

        • memory/1212-65-0x0000000000400000-0x000000000043E000-memory.dmp

          Filesize

          248KB

        • memory/1648-87-0x0000000000400000-0x000000000043E000-memory.dmp

          Filesize

          248KB

        • memory/1664-91-0x0000000000400000-0x000000000040F000-memory.dmp

          Filesize

          60KB

        • memory/1664-90-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

        • memory/1788-63-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

        • memory/1788-69-0x0000000000400000-0x000000000040F000-memory.dmp

          Filesize

          60KB

        • memory/1788-68-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

        • memory/1788-67-0x0000000076711000-0x0000000076713000-memory.dmp

          Filesize

          8KB

        • memory/1788-64-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

        • memory/1788-56-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

        • memory/1788-62-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

        • memory/1788-61-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

        • memory/1788-59-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

        • memory/1788-57-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB