Analysis

  • max time kernel
    283s
  • max time network
    336s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 19:35

General

  • Target

    8489278142e47f40e3bfc9a41752cc1e66aa5f19438a20a84e212d7cbbf0863d.exe

  • Size

    512KB

  • MD5

    7a5164bdabc14a773dab487f5b2d0e65

  • SHA1

    d71d524e5450c41795e12b62f54743ae4e9241e7

  • SHA256

    8489278142e47f40e3bfc9a41752cc1e66aa5f19438a20a84e212d7cbbf0863d

  • SHA512

    0395d68b19a00d27c36c9b630ae39f55537eb2aaec8157c8b432eb8f4d3345c5e39abf8716aa989ba72a1a65bf88d8280650dd2c34a2fdfff1a8dff5847031f7

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E44:0+h9OY70z+warul3E44

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\8489278142e47f40e3bfc9a41752cc1e66aa5f19438a20a84e212d7cbbf0863d.exe
    "C:\Users\Admin\AppData\Local\Temp\8489278142e47f40e3bfc9a41752cc1e66aa5f19438a20a84e212d7cbbf0863d.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:4092
    • C:\Users\Admin\AppData\Local\Temp\n5858\s5858.exe
      "C:\Users\Admin\AppData\Local\Temp\n5858\s5858.exe" 30fd96ee4651d8a842ec4c96JAM0cgj5qIevdDs+uddxJue0AS0r1UVjSbGwqYqsojEOREweC0wF73gxIeIk3D8l/7QRnFhwIxZnkMf9HIJgYiCJwuRrP4jYYnfuXxLh3JrrtVItOWtbsUIbrqj9TpQ3JHCTKK2+zA7wwil8zU3dHMXi /v "C:\Users\Admin\AppData\Local\Temp\8489278142e47f40e3bfc9a41752cc1e66aa5f19438a20a84e212d7cbbf0863d.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:3128

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n5858\s5858.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n5858\s5858.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3