Analysis

  • max time kernel
    168s
  • max time network
    182s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 08:54

General

  • Target

    7db3f35a54b6f9876b90abf44180bc61b34b5d68436c98773a8f16fae4c70def.exe

  • Size

    601KB

  • MD5

    4e28db0d2fe6ed67fb70f1304ab88673

  • SHA1

    a6c38ae8efe00140b4ce3a3bec4cb43214fdbb4d

  • SHA256

    7db3f35a54b6f9876b90abf44180bc61b34b5d68436c98773a8f16fae4c70def

  • SHA512

    91cd264999dfd7eb0b53df95b49aa8b3fda0baadd137509aef6b39bfc8defe5a421df0526dd14f0396ee5a4dd77179947d57053e18e003a71425c5eb12c482e8

  • SSDEEP

    12288:xORNsuj7LM2e2Bl4St2AxKeAN+GKnvLof/9WraN0bfs3kZwD+ZAd2:xsNsmM2lBmSt2A+yTof/YrdfqkZwD4AM

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\7db3f35a54b6f9876b90abf44180bc61b34b5d68436c98773a8f16fae4c70def.exe
    "C:\Users\Admin\AppData\Local\Temp\7db3f35a54b6f9876b90abf44180bc61b34b5d68436c98773a8f16fae4c70def.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:1116
    • C:\Users\Admin\AppData\Local\Temp\n3451\s3451.exe
      "C:\Users\Admin\AppData\Local\Temp\n3451\s3451.exe" 1eaba7cf03b696f287edf856c3J9At+9owvC9n2J0+GVmQqgqjnj9ZurSGDMPdzZW3xPJ7fkkjvtQNfOLDHydPpcapggLRF65EaRw+9b5D6R7Dct3Md7C0Wjvpmn86IaEBN2FbWnE+7wN8fnqo5XQ34x/RVnXadBAet7F4o1uOMZX6hnQCr0EIg+/AuTQXg= /v "C:\Users\Admin\AppData\Local\Temp\7db3f35a54b6f9876b90abf44180bc61b34b5d68436c98773a8f16fae4c70def.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:776

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n3451\s3451.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • C:\Users\Admin\AppData\Local\Temp\n3451\s3451.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n3451\s3451.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n3451\s3451.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n3451\s3451.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n3451\s3451.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • memory/776-62-0x000007FEF3940000-0x000007FEF4363000-memory.dmp

    Filesize

    10.1MB

  • memory/776-63-0x000007FEF28A0000-0x000007FEF3936000-memory.dmp

    Filesize

    16.6MB

  • memory/776-64-0x0000000000C06000-0x0000000000C25000-memory.dmp

    Filesize

    124KB

  • memory/776-65-0x000007FEEDF30000-0x000007FEEEDBF000-memory.dmp

    Filesize

    14.6MB

  • memory/776-66-0x000007FEF1F00000-0x000007FEF21EA000-memory.dmp

    Filesize

    2.9MB

  • memory/776-67-0x0000000000C06000-0x0000000000C25000-memory.dmp

    Filesize

    124KB

  • memory/1116-54-0x0000000076381000-0x0000000076383000-memory.dmp

    Filesize

    8KB