Analysis

  • max time kernel
    130s
  • max time network
    173s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 14:20

General

  • Target

    5013913097f3afe558c2b398d078aa3c7c5056af46baf327036b416506f3f48f.exe

  • Size

    601KB

  • MD5

    02386c36975b966255ae84488a805b2e

  • SHA1

    a3968460189c3bb3b1a853faea97500c171e2280

  • SHA256

    5013913097f3afe558c2b398d078aa3c7c5056af46baf327036b416506f3f48f

  • SHA512

    a205e45dc479d7f684bf0eef9bbecbb94520de861a0f607aee8b3302434310173f0e1771b1add0a8baa29efab390856707bd38fa7f57455fa32a56faa732c29d

  • SSDEEP

    12288:xORNsuj7LM2e2Bl4St2AxKeAN+GKnvLof/9WraN0bfs3kZwD+ZAdx:xsNsmM2lBmSt2A+yTof/YrdfqkZwD4Az

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\5013913097f3afe558c2b398d078aa3c7c5056af46baf327036b416506f3f48f.exe
    "C:\Users\Admin\AppData\Local\Temp\5013913097f3afe558c2b398d078aa3c7c5056af46baf327036b416506f3f48f.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:1420
    • C:\Users\Admin\AppData\Local\Temp\n538\s538.exe
      "C:\Users\Admin\AppData\Local\Temp\n538\s538.exe" a6cac64e4130515cc076f4925/69SZd5v5pIEI74II57ICuMRVFxYZ52v8+6aezuI4OqNTN0rEULAuuN+WbSkJjFGhisBkAZPlINqOEZrX9wiCghPZqqcdhYhEtrobXkaSYwHWhjrQ2DdHKjO4haD9m0dUNmzJ//h5Jfl3e4BpT0QNOSwkqxDCbPpqab2xI= /v "C:\Users\Admin\AppData\Local\Temp\5013913097f3afe558c2b398d078aa3c7c5056af46baf327036b416506f3f48f.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1656

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n538\s538.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • C:\Users\Admin\AppData\Local\Temp\n538\s538.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n538\s538.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n538\s538.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n538\s538.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n538\s538.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • memory/1420-54-0x00000000767B1000-0x00000000767B3000-memory.dmp

    Filesize

    8KB

  • memory/1656-62-0x000007FEF3E20000-0x000007FEF4843000-memory.dmp

    Filesize

    10.1MB

  • memory/1656-63-0x000007FEF2B40000-0x000007FEF3BD6000-memory.dmp

    Filesize

    16.6MB

  • memory/1656-64-0x0000000001DF6000-0x0000000001E15000-memory.dmp

    Filesize

    124KB

  • memory/1656-65-0x0000000001DF6000-0x0000000001E15000-memory.dmp

    Filesize

    124KB

  • memory/1656-66-0x000007FEEE550000-0x000007FEEF3DF000-memory.dmp

    Filesize

    14.6MB

  • memory/1656-67-0x000007FEEE260000-0x000007FEEE54A000-memory.dmp

    Filesize

    2.9MB

  • memory/1656-68-0x0000000001DF6000-0x0000000001E15000-memory.dmp

    Filesize

    124KB