Analysis

  • max time kernel
    124s
  • max time network
    217s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 11:07

General

  • Target

    7745dd3b151ae7edfeceb562a71c0e888552af39f0c4223d608ec5c4204dfebf.exe

  • Size

    601KB

  • MD5

    aa7dd6d2d632602c8e7cec348df30d75

  • SHA1

    21c3e0fea0996d845d05530fa8b8329d4b57082e

  • SHA256

    7745dd3b151ae7edfeceb562a71c0e888552af39f0c4223d608ec5c4204dfebf

  • SHA512

    60c7a7ec99a1cfe155b7053d31b6f5ca2b436918bfd224e28db4be3bd5a5e3877aca7abd97b574970417f2693c2a7e5f73dad6df2a3fb92a2610a257b084002d

  • SSDEEP

    12288:xORNsuj7LM2e2Bl4St2AxKeAN+GKnvLof/9WraN0bfs3kZwD+ZAdx:xsNsmM2lBmSt2A+yTof/YrdfqkZwD4AD

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\7745dd3b151ae7edfeceb562a71c0e888552af39f0c4223d608ec5c4204dfebf.exe
    "C:\Users\Admin\AppData\Local\Temp\7745dd3b151ae7edfeceb562a71c0e888552af39f0c4223d608ec5c4204dfebf.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:1768
    • C:\Users\Admin\AppData\Local\Temp\n9586\s9586.exe
      "C:\Users\Admin\AppData\Local\Temp\n9586\s9586.exe" bb1c1fce8507e1f92b9e48f4X8sNEpUPZ/x5ITkl0vJR50jbvRsypZPpaZ08mp6dWpvz2DgZw/Q7SpetEJVPl3hDAxQzUO7eeGaCLGRMGdtaq2+L/IQmIbarQsd10CJkMrtNnj0hh8f1/cserhfKaIZ78jRKkGxyvKLSn3kjhaJSGjmVcxY+d/Odm1EGD+g= /v "C:\Users\Admin\AppData\Local\Temp\7745dd3b151ae7edfeceb562a71c0e888552af39f0c4223d608ec5c4204dfebf.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1792

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n9586\s9586.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • C:\Users\Admin\AppData\Local\Temp\n9586\s9586.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n9586\s9586.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n9586\s9586.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n9586\s9586.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n9586\s9586.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • memory/1768-54-0x0000000074ED1000-0x0000000074ED3000-memory.dmp

    Filesize

    8KB

  • memory/1792-59-0x0000000000000000-mapping.dmp

  • memory/1792-62-0x000007FEF3180000-0x000007FEF3BA3000-memory.dmp

    Filesize

    10.1MB

  • memory/1792-63-0x000007FEF1EA0000-0x000007FEF2F36000-memory.dmp

    Filesize

    16.6MB

  • memory/1792-64-0x0000000001FD6000-0x0000000001FF5000-memory.dmp

    Filesize

    124KB

  • memory/1792-65-0x0000000001FD6000-0x0000000001FF5000-memory.dmp

    Filesize

    124KB

  • memory/1792-66-0x000007FEEDA80000-0x000007FEEE90F000-memory.dmp

    Filesize

    14.6MB

  • memory/1792-67-0x000007FEED790000-0x000007FEEDA7A000-memory.dmp

    Filesize

    2.9MB

  • memory/1792-68-0x0000000001FD6000-0x0000000001FF5000-memory.dmp

    Filesize

    124KB