Analysis

  • max time kernel
    150s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 09:11

General

  • Target

    900c7ad806a7c208ed598be76fa555034ef7981a8c0670b135d0af0ce356f209.exe

  • Size

    601KB

  • MD5

    f7596e394632c5b9c1468e581809f93c

  • SHA1

    63cd1a5d22e291634483415b50cc6c0e3e47bb9d

  • SHA256

    900c7ad806a7c208ed598be76fa555034ef7981a8c0670b135d0af0ce356f209

  • SHA512

    0762d6abf6d929e4baf4aa7a1a56747e1dea70072286a03b345a31b77591993dc3d9cbfbbb26686f6b931d13c1627d85d6f259a446c97e7df09ad18ed1328702

  • SSDEEP

    12288:xORNsuj7LM2e2Bl4St2AxKeAN+GKnvLof/9WraN0bfs3kZwD+ZAdA:xsNsmM2lBmSt2A+yTof/YrdfqkZwD4A+

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 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 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\900c7ad806a7c208ed598be76fa555034ef7981a8c0670b135d0af0ce356f209.exe
    "C:\Users\Admin\AppData\Local\Temp\900c7ad806a7c208ed598be76fa555034ef7981a8c0670b135d0af0ce356f209.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:984
    • C:\Users\Admin\AppData\Local\Temp\n7464\s7464.exe
      "C:\Users\Admin\AppData\Local\Temp\n7464\s7464.exe" cad11150c67ccc3eea167132aKfxekWZMF1qk7yAWw5fTIL0Kp51SFrlcJkEJ7Awc58+czRf04qYzCb78q/yF34FRWUyUQ4FxUBlwn3AZAeGlQVQRsfvV16notcE1H6ZQSzLcKOj+jNzdk2Fepz4PmC0Y7N8TY0Zhmk8/bc5yICO+AyfJvK5UwhKayJum3c= /v "C:\Users\Admin\AppData\Local\Temp\900c7ad806a7c208ed598be76fa555034ef7981a8c0670b135d0af0ce356f209.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4136

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n7464\s7464.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • C:\Users\Admin\AppData\Local\Temp\n7464\s7464.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • memory/4136-135-0x00007FFECDC70000-0x00007FFECE6A6000-memory.dmp

    Filesize

    10.2MB

  • memory/4136-136-0x00000000009FA000-0x00000000009FF000-memory.dmp

    Filesize

    20KB

  • memory/4136-137-0x00000000009FA000-0x00000000009FF000-memory.dmp

    Filesize

    20KB