Analysis

  • max time kernel
    120s
  • max time network
    153s
  • 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, 15:15

General

  • Target
    d66c12af443e201efe33913da1af498736f8a09aa76cd84ae994d1d62ee3582a.exe
  • Size 512KB
  • Sample221127-smv2maga69
  • SHA256 d66c12af443e201efe33913da1af498736f8a09aa76cd84ae994d1d62ee3582a
  • MD5 SHA1 SHA512 SSDEEP
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 5 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\d66c12af443e201efe33913da1af498736f8a09aa76cd84ae994d1d62ee3582a.exe
    "C:\Users\Admin\AppData\Local\Temp\d66c12af443e201efe33913da1af498736f8a09aa76cd84ae994d1d62ee3582a.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:5008
    • C:\Users\Admin\AppData\Local\Temp\n8810\s8810.exe
      "C:\Users\Admin\AppData\Local\Temp\n8810\s8810.exe" 088d2ce28db87d8897b5960d4dyGdGqR40WTLwPKyxK4V91cSJPT4f40qvy+JVnorKspNEBLP+WEruYPi5RgBwxQz61nFPISjcRCftqJ+VP/JzRP12TN+ZYis44X59DbFjKcPPTykvLi3hCNlMK+d/FoFgRRq8wZxPiB22V3wb01xd3T /v "C:\Users\Admin\AppData\Local\Temp\d66c12af443e201efe33913da1af498736f8a09aa76cd84ae994d1d62ee3582a.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:3984

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        s8810.exe

        • Path C:\Users\Admin\AppData\Local\Temp\n8810\s8810.exe
        • Size 230KB
        • SHA256 b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e
        • MD5 SHA1 SHA512 SSDEEP

        s8810.exe

        • Path C:\Users\Admin\AppData\Local\Temp\n8810\s8810.exe
        • Size 230KB
        • SHA256 b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e
        • MD5 SHA1 SHA512 SSDEEP

        memory/3984-135-0x00007FF9956B0000-0x00007FF9960E6000-memory.dmp

        memory/3984-136-0x00000000010FA000-0x00000000010FF000-memory.dmp

        memory/3984-137-0x00000000010FA000-0x00000000010FF000-memory.dmp

        memory/3984-138-0x00000000010FA000-0x00000000010FF000-memory.dmp