Analysis

  • max time kernel
    54s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 11:10

General

  • Target

    45bc5f973b0396e91ce8661a962e78762eb2f162666233acb7973d0217c0f624.exe

  • Size

    601KB

  • MD5

    bf7b8aec52341954c49bf9ecf79ed57e

  • SHA1

    5da1c08bd326311b938ae51a81528707e6a4e810

  • SHA256

    45bc5f973b0396e91ce8661a962e78762eb2f162666233acb7973d0217c0f624

  • SHA512

    499086da691cfbc4a0a03a40a377095223343f55942914699f2da4d67996462539441d069e52801794104c673a762fe17ca55a80250249e3f592a7fbf56925dd

  • SSDEEP

    12288:xORNsuj7LM2e2Bl4St2AxKeAN+GKnvLof/9WraN0bfs3kZwD+ZAdj:xsNsmM2lBmSt2A+yTof/YrdfqkZwD4At

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\45bc5f973b0396e91ce8661a962e78762eb2f162666233acb7973d0217c0f624.exe
    "C:\Users\Admin\AppData\Local\Temp\45bc5f973b0396e91ce8661a962e78762eb2f162666233acb7973d0217c0f624.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:1256
    • C:\Users\Admin\AppData\Local\Temp\n5660\s5660.exe
      "C:\Users\Admin\AppData\Local\Temp\n5660\s5660.exe" f76c54f4261bfcf0f187d6a9JGvU2Qv1LehYKDahUhwzcXvPJP5VLTXcnywpsuoGyD4Ayz5n8LruxleMq7eguOPB8FfEEwoLtp+FiWJPerSDfEsSr0FC+oRycAeHHjMfoI0bfuMUIZxS1n6M+c0qQILic6eMl/EnOdYiKEAZiCKfuT57IGvgB8M0yMKyP/8= /v "C:\Users\Admin\AppData\Local\Temp\45bc5f973b0396e91ce8661a962e78762eb2f162666233acb7973d0217c0f624.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1984

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n5660\s5660.exe

          Filesize

          349KB

          MD5

          f42490846128abad3a6504a02c9ef12c

          SHA1

          017da52f785d1385ee7fd9a5bcb2550096166385

          SHA256

          19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

          SHA512

          983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

        • C:\Users\Admin\AppData\Local\Temp\n5660\s5660.exe

          Filesize

          349KB

          MD5

          f42490846128abad3a6504a02c9ef12c

          SHA1

          017da52f785d1385ee7fd9a5bcb2550096166385

          SHA256

          19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

          SHA512

          983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

        • \Users\Admin\AppData\Local\Temp\n5660\s5660.exe

          Filesize

          349KB

          MD5

          f42490846128abad3a6504a02c9ef12c

          SHA1

          017da52f785d1385ee7fd9a5bcb2550096166385

          SHA256

          19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

          SHA512

          983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

        • \Users\Admin\AppData\Local\Temp\n5660\s5660.exe

          Filesize

          349KB

          MD5

          f42490846128abad3a6504a02c9ef12c

          SHA1

          017da52f785d1385ee7fd9a5bcb2550096166385

          SHA256

          19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

          SHA512

          983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

        • \Users\Admin\AppData\Local\Temp\n5660\s5660.exe

          Filesize

          349KB

          MD5

          f42490846128abad3a6504a02c9ef12c

          SHA1

          017da52f785d1385ee7fd9a5bcb2550096166385

          SHA256

          19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

          SHA512

          983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

        • \Users\Admin\AppData\Local\Temp\n5660\s5660.exe

          Filesize

          349KB

          MD5

          f42490846128abad3a6504a02c9ef12c

          SHA1

          017da52f785d1385ee7fd9a5bcb2550096166385

          SHA256

          19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

          SHA512

          983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

        • memory/1256-54-0x0000000075C61000-0x0000000075C63000-memory.dmp

          Filesize

          8KB

        • memory/1984-62-0x000007FEF3250000-0x000007FEF3C73000-memory.dmp

          Filesize

          10.1MB

        • memory/1984-63-0x000007FEF1AD0000-0x000007FEF2B66000-memory.dmp

          Filesize

          16.6MB

        • memory/1984-64-0x0000000002126000-0x0000000002145000-memory.dmp

          Filesize

          124KB

        • memory/1984-65-0x000007FEED800000-0x000007FEEE68F000-memory.dmp

          Filesize

          14.6MB

        • memory/1984-66-0x000007FEF2F60000-0x000007FEF324A000-memory.dmp

          Filesize

          2.9MB

        • memory/1984-67-0x0000000002126000-0x0000000002145000-memory.dmp

          Filesize

          124KB