Analysis

  • max time kernel
    116s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 10:51

General

  • Target

    996387c7d1f70786665b302e67b67d3421d672672335797c45c7cbfbc76c6e0d.exe

  • Size

    601KB

  • MD5

    7cee83c0d4487aa4b816f2503b945add

  • SHA1

    4a11c72ce0a3e658479627975a2b4568f7941317

  • SHA256

    996387c7d1f70786665b302e67b67d3421d672672335797c45c7cbfbc76c6e0d

  • SHA512

    d5fb4e6be54d5bb910902934bf96d86f332fb5ad53ce203ac23a44bae8a732edb34242c4e01811c4d9032b9999338289d7b4461b7a3862d5921d6fa56c924557

  • SSDEEP

    12288:xORNsuj7LM2e2Bl4St2AxKeAN+GKnvLof/9WraN0bfs3kZwD+ZAde:xsNsmM2lBmSt2A+yTof/YrdfqkZwD4AE

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\996387c7d1f70786665b302e67b67d3421d672672335797c45c7cbfbc76c6e0d.exe
    "C:\Users\Admin\AppData\Local\Temp\996387c7d1f70786665b302e67b67d3421d672672335797c45c7cbfbc76c6e0d.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:1388
    • C:\Users\Admin\AppData\Local\Temp\n8640\s8640.exe
      "C:\Users\Admin\AppData\Local\Temp\n8640\s8640.exe" 376aefda80b6c26ae7a06dceGR+EYGAHl3+OIMexBnZGPZZaJyXSiy8X05fwX2GcMPM43Mj0UtzCsiPHOhurd2KIROso9FLoRLLn63TrQbhIewKjSBEngVFgQ+LyS19iQEgjtx/sxSsn0u/piFMwcAPQRZE+Pc5X4I5GHcUilRQ+3Njer11BpO/ao2IPkrk= /v "C:\Users\Admin\AppData\Local\Temp\996387c7d1f70786665b302e67b67d3421d672672335797c45c7cbfbc76c6e0d.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:588

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n8640\s8640.exe

          Filesize

          349KB

          MD5

          f42490846128abad3a6504a02c9ef12c

          SHA1

          017da52f785d1385ee7fd9a5bcb2550096166385

          SHA256

          19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

          SHA512

          983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

        • C:\Users\Admin\AppData\Local\Temp\n8640\s8640.exe

          Filesize

          349KB

          MD5

          f42490846128abad3a6504a02c9ef12c

          SHA1

          017da52f785d1385ee7fd9a5bcb2550096166385

          SHA256

          19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

          SHA512

          983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

        • \Users\Admin\AppData\Local\Temp\n8640\s8640.exe

          Filesize

          349KB

          MD5

          f42490846128abad3a6504a02c9ef12c

          SHA1

          017da52f785d1385ee7fd9a5bcb2550096166385

          SHA256

          19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

          SHA512

          983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

        • \Users\Admin\AppData\Local\Temp\n8640\s8640.exe

          Filesize

          349KB

          MD5

          f42490846128abad3a6504a02c9ef12c

          SHA1

          017da52f785d1385ee7fd9a5bcb2550096166385

          SHA256

          19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

          SHA512

          983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

        • \Users\Admin\AppData\Local\Temp\n8640\s8640.exe

          Filesize

          349KB

          MD5

          f42490846128abad3a6504a02c9ef12c

          SHA1

          017da52f785d1385ee7fd9a5bcb2550096166385

          SHA256

          19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

          SHA512

          983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

        • \Users\Admin\AppData\Local\Temp\n8640\s8640.exe

          Filesize

          349KB

          MD5

          f42490846128abad3a6504a02c9ef12c

          SHA1

          017da52f785d1385ee7fd9a5bcb2550096166385

          SHA256

          19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

          SHA512

          983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

        • memory/588-62-0x000007FEF42F0000-0x000007FEF4D13000-memory.dmp

          Filesize

          10.1MB

        • memory/588-63-0x000007FEF3250000-0x000007FEF42E6000-memory.dmp

          Filesize

          16.6MB

        • memory/588-64-0x0000000000A46000-0x0000000000A65000-memory.dmp

          Filesize

          124KB

        • memory/588-65-0x000007FEEE550000-0x000007FEEF3DF000-memory.dmp

          Filesize

          14.6MB

        • memory/588-66-0x000007FEF29D0000-0x000007FEF2CBA000-memory.dmp

          Filesize

          2.9MB

        • memory/588-67-0x0000000000A46000-0x0000000000A65000-memory.dmp

          Filesize

          124KB

        • memory/1388-54-0x0000000075711000-0x0000000075713000-memory.dmp

          Filesize

          8KB