Analysis

  • max time kernel
    128s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 11:07

General

  • Target

    2683031871ef477a6a38d8dbbd5aa8eabd40dfebfffa15113c07ea03c48f3610.exe

  • Size

    601KB

  • MD5

    4ad725d1c1f11ccbd7be233c8c6cdbcf

  • SHA1

    47f34d41baa16c7b3209c542cd776c5cc7faf016

  • SHA256

    2683031871ef477a6a38d8dbbd5aa8eabd40dfebfffa15113c07ea03c48f3610

  • SHA512

    1fa4a02f1591befdb520c0c60dbfa1df51e0aabb076db19526c188a60f67ba76b363cc07e5fa193e52253927d011dd56b5f269b8899d31a1aaa4dfc4b81f00a2

  • SSDEEP

    12288:xORNsuj7LM2e2Bl4St2AxKeAN+GKnvLof/9WraN0bfs3kZwD+ZAdF:xsNsmM2lBmSt2A+yTof/YrdfqkZwD4AP

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\2683031871ef477a6a38d8dbbd5aa8eabd40dfebfffa15113c07ea03c48f3610.exe
    "C:\Users\Admin\AppData\Local\Temp\2683031871ef477a6a38d8dbbd5aa8eabd40dfebfffa15113c07ea03c48f3610.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:1512
    • C:\Users\Admin\AppData\Local\Temp\n9221\s9221.exe
      "C:\Users\Admin\AppData\Local\Temp\n9221\s9221.exe" 841414b4b523920d6fff217cFVZ1MXXc84TIXj1U8+QKwPMOWRXRalovUEURv89gAQMQ+jk5KE7Yk7rH5trkjyQj4fuSYIHF6iIzSQdXGW3HY542EclHVmkOEmOU/nP7sXN2ff8/j6Jk+c9eODqvP5i+IMZpbiEHiprrxknUbW6GlMoQ7PB9TysE0eE183E= /v "C:\Users\Admin\AppData\Local\Temp\2683031871ef477a6a38d8dbbd5aa8eabd40dfebfffa15113c07ea03c48f3610.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2004

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n9221\s9221.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • C:\Users\Admin\AppData\Local\Temp\n9221\s9221.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n9221\s9221.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n9221\s9221.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n9221\s9221.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n9221\s9221.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • memory/1512-54-0x00000000756A1000-0x00000000756A3000-memory.dmp

    Filesize

    8KB

  • memory/2004-62-0x000007FEF4410000-0x000007FEF4E33000-memory.dmp

    Filesize

    10.1MB

  • memory/2004-63-0x000007FEF3370000-0x000007FEF4406000-memory.dmp

    Filesize

    16.6MB

  • memory/2004-64-0x00000000021F6000-0x0000000002215000-memory.dmp

    Filesize

    124KB

  • memory/2004-65-0x000007FEEE6F0000-0x000007FEEF57F000-memory.dmp

    Filesize

    14.6MB

  • memory/2004-66-0x000007FEF3080000-0x000007FEF336A000-memory.dmp

    Filesize

    2.9MB

  • memory/2004-67-0x00000000021F6000-0x0000000002215000-memory.dmp

    Filesize

    124KB