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Analysis

  • max time kernel
    105s
  • max time network
    177s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 10:54

General

  • Target

    053b24bea1b9f15ea6366433e65c13a4c4165f679c2a7eac15bdb038b2b6e1f0.exe

  • Size

    601KB

  • MD5

    83e7fe0c1c88c4b37c6bcdc1241f4cee

  • SHA1

    96f78bd93706d4e9c1bcc04e4f7f7341dbf18ea1

  • SHA256

    053b24bea1b9f15ea6366433e65c13a4c4165f679c2a7eac15bdb038b2b6e1f0

  • SHA512

    fc49fca8927e372232b45bac56c5436a08d11b454de6a744e5f7f77412476b269877463900a80dc7d22b9473faadd13571f8953a4e2dd07b3dc866d38598b9d6

  • SSDEEP

    12288:xORNsuj7LM2e2Bl4St2AxKeAN+GKnvLof/9WraN0bfs3kZwD+ZAdC:xsNsmM2lBmSt2A+yTof/YrdfqkZwD4AI

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\053b24bea1b9f15ea6366433e65c13a4c4165f679c2a7eac15bdb038b2b6e1f0.exe
    "C:\Users\Admin\AppData\Local\Temp\053b24bea1b9f15ea6366433e65c13a4c4165f679c2a7eac15bdb038b2b6e1f0.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:1360
    • C:\Users\Admin\AppData\Local\Temp\n5312\s5348.exe
      "C:\Users\Admin\AppData\Local\Temp\n5312\s5348.exe" c8d2dcfd29b07b9c2aa12430HThk8PJs3d2Idzrcdl5wC9rhawBslv5XaY6Jlkm261FYlkSNqTMQurnNo3AYMhCFMB2adEZ7fLAhikGrX6lH9U525N2AbKWCtaUQBs2QdMG4ILXNZ1Voz/psRJpQmSM0PZaWAUh1EiWxnMHIcErhKuIne0HYpTkAyQX/I2U= /v "C:\Users\Admin\AppData\Local\Temp\053b24bea1b9f15ea6366433e65c13a4c4165f679c2a7eac15bdb038b2b6e1f0.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1348

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n5312\s5348.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • C:\Users\Admin\AppData\Local\Temp\n5312\s5348.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n5312\s5348.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n5312\s5348.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n5312\s5348.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n5312\s5348.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • memory/1348-62-0x000007FEF4070000-0x000007FEF4A93000-memory.dmp

    Filesize

    10.1MB

  • memory/1348-63-0x000007FEF2FD0000-0x000007FEF4066000-memory.dmp

    Filesize

    16.6MB

  • memory/1348-64-0x00000000004A6000-0x00000000004C5000-memory.dmp

    Filesize

    124KB

  • memory/1348-65-0x000007FEEE540000-0x000007FEEF3CF000-memory.dmp

    Filesize

    14.6MB

  • memory/1348-66-0x000007FEF2B90000-0x000007FEF2E7A000-memory.dmp

    Filesize

    2.9MB

  • memory/1348-67-0x00000000004A6000-0x00000000004C5000-memory.dmp

    Filesize

    124KB

  • memory/1360-54-0x00000000766F1000-0x00000000766F3000-memory.dmp

    Filesize

    8KB