Analysis

  • max time kernel
    205s
  • max time network
    224s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/11/2022, 01:48

General

  • Target

    64ca7ff6074750068f9ce16efd6ac5f901f454ffd6faed852d6d0e4339677208.exe

  • Size

    512KB

  • MD5

    7e31407d5fd39a09500e7c1590ca568c

  • SHA1

    bf61e2ba4276d02ca01a34f0884a2b5208356377

  • SHA256

    64ca7ff6074750068f9ce16efd6ac5f901f454ffd6faed852d6d0e4339677208

  • SHA512

    b429802f429eb39e840ffef2b3659fc9a3cf55166982d51b508eebf5321aba5b18fd3ba7c15d428544a7ae4275c6abd08f9d555b2c216e20b896776f296b5ce5

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E49:0+h9OY70z+warul3E49

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.

  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\64ca7ff6074750068f9ce16efd6ac5f901f454ffd6faed852d6d0e4339677208.exe
    "C:\Users\Admin\AppData\Local\Temp\64ca7ff6074750068f9ce16efd6ac5f901f454ffd6faed852d6d0e4339677208.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:3648
    • C:\Users\Admin\AppData\Local\Temp\n5835\s5835.exe
      "C:\Users\Admin\AppData\Local\Temp\n5835\s5835.exe" d4dc12a1122eb8c80c53b8f3ZWzLRNPkkaOxHIgid8ejQSSsaxvjoMve0IPbcKlZi0hrmwLvDepkVnIu6CHNtbI4w7dVUEvMWzt/RrD9KgZQldxgs/F7lEWJBcDbV+x7jcYIOPYlxorOSp+8KmtSAjtkBwfr283WHvhhGi2WEoIQ578J /v "C:\Users\Admin\AppData\Local\Temp\64ca7ff6074750068f9ce16efd6ac5f901f454ffd6faed852d6d0e4339677208.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:3452

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n5835\s5835.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n5835\s5835.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3