Analysis

  • max time kernel
    46s
  • max time network
    101s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 11:15

General

  • Target

    75b87681ebec2f019a30953dbaa339f3972904e4427cc8df76bc6ef5c4308776.exe

  • Size

    601KB

  • MD5

    3910059162dadb9bca828c9132f6846d

  • SHA1

    c9c2cc36f120107f99be1987679c6a172cf7786c

  • SHA256

    75b87681ebec2f019a30953dbaa339f3972904e4427cc8df76bc6ef5c4308776

  • SHA512

    2fee8686a53ff3474cf727d05202203076dca7dffd695a2db38250a77573a769bde73b7b3112a238f81e595aafb79bf82ee92d815e28afb26c38dd28a36824f0

  • SSDEEP

    12288:xORNsuj7LM2e2Bl4St2AxKeAN+GKnvLof/9WraN0bfs3kZwD+ZAd9:xsNsmM2lBmSt2A+yTof/YrdfqkZwD4A3

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\75b87681ebec2f019a30953dbaa339f3972904e4427cc8df76bc6ef5c4308776.exe
    "C:\Users\Admin\AppData\Local\Temp\75b87681ebec2f019a30953dbaa339f3972904e4427cc8df76bc6ef5c4308776.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:1308
    • C:\Users\Admin\AppData\Local\Temp\n5207\s5207.exe
      "C:\Users\Admin\AppData\Local\Temp\n5207\s5207.exe" 9e160cbbb4f0119a68cee990eD568Z+0RhBJim2yxp+ltN9OnUbjWNmNoA6DPt9zrYRsDOuvgWE53O5Q7AtsfPGMkXzPuyHAvlw8vdW4UKEqi4b4oizhTU/8EWRk4Znd7RgChSXUjLZ2sPWX5vSd6k8x9LFt3FI7aN57WwtDnHAELr49v8DRvusZ4zfInj4= /v "C:\Users\Admin\AppData\Local\Temp\75b87681ebec2f019a30953dbaa339f3972904e4427cc8df76bc6ef5c4308776.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:308

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n5207\s5207.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • C:\Users\Admin\AppData\Local\Temp\n5207\s5207.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n5207\s5207.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n5207\s5207.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n5207\s5207.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n5207\s5207.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • memory/308-59-0x0000000000000000-mapping.dmp

  • memory/308-62-0x000007FEF3C00000-0x000007FEF4623000-memory.dmp

    Filesize

    10.1MB

  • memory/308-63-0x000007FEF2B60000-0x000007FEF3BF6000-memory.dmp

    Filesize

    16.6MB

  • memory/308-64-0x0000000001F56000-0x0000000001F75000-memory.dmp

    Filesize

    124KB

  • memory/308-65-0x000007FEED510000-0x000007FEEE39F000-memory.dmp

    Filesize

    14.6MB

  • memory/308-66-0x000007FEF2080000-0x000007FEF236A000-memory.dmp

    Filesize

    2.9MB

  • memory/308-67-0x0000000001F56000-0x0000000001F75000-memory.dmp

    Filesize

    124KB

  • memory/1308-54-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

    Filesize

    8KB