Analysis

  • max time kernel
    43s
  • max time network
    110s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 22:28

General

  • Target

    17d1be3e11f1bd962702110630f9190a99c6442a9d10dc487c3006c5e4685c69.exe

  • Size

    512KB

  • MD5

    9000d5559bdb3bf2f2b5269d8e458a60

  • SHA1

    1c288ff53dc94e2d7dd6998945557bc582620946

  • SHA256

    17d1be3e11f1bd962702110630f9190a99c6442a9d10dc487c3006c5e4685c69

  • SHA512

    f891f3a8c9f653b47ac2a4cef4f90c8d7d6e880a75d1393fb3e4b7c6c3a6014b76d2726335e0e84dd071c3473108e0ea7cdea75cb2d3f6a4677591f1e56e39ac

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4L:0+h9OY70z+warul3E4L

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\17d1be3e11f1bd962702110630f9190a99c6442a9d10dc487c3006c5e4685c69.exe
    "C:\Users\Admin\AppData\Local\Temp\17d1be3e11f1bd962702110630f9190a99c6442a9d10dc487c3006c5e4685c69.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Loads dropped DLL
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1348
    • C:\Users\Admin\AppData\Local\Temp\n3545\s3545.exe
      "C:\Users\Admin\AppData\Local\Temp\n3545\s3545.exe" 2d9046d880cc767bfa85c020oY/CtnDHuP7BLyT0HZzlKhkXxXK8OkKFS4I8N0aVWlGSbvqADX/sCjy1otnNdUaB21N6bKuB5KfHRkMO5Cb7TZwaVcXGK5QYafNWoDlhYJ7kZN8eCXYhPD5wodOB+MGxkuiD17O70WBum3dfzFvHbAUp /v "C:\Users\Admin\AppData\Local\Temp\17d1be3e11f1bd962702110630f9190a99c6442a9d10dc487c3006c5e4685c69.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2044

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n3545\s3545.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n3545\s3545.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n3545\s3545.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n3545\s3545.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n3545\s3545.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n3545\s3545.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/1348-54-0x0000000075601000-0x0000000075603000-memory.dmp

          Filesize

          8KB

        • memory/2044-62-0x000007FEF3D20000-0x000007FEF4743000-memory.dmp

          Filesize

          10.1MB

        • memory/2044-63-0x000007FEF29E0000-0x000007FEF3A76000-memory.dmp

          Filesize

          16.6MB

        • memory/2044-64-0x000007FEFB9E1000-0x000007FEFB9E3000-memory.dmp

          Filesize

          8KB

        • memory/2044-65-0x0000000000226000-0x0000000000245000-memory.dmp

          Filesize

          124KB

        • memory/2044-66-0x000007FEEE1C0000-0x000007FEEF04F000-memory.dmp

          Filesize

          14.6MB

        • memory/2044-67-0x000007FEF26F0000-0x000007FEF29DA000-memory.dmp

          Filesize

          2.9MB

        • memory/2044-68-0x0000000000226000-0x0000000000245000-memory.dmp

          Filesize

          124KB