Analysis

  • max time kernel
    185s
  • max time network
    192s
  • 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, 09:38

General

  • Target

    364f36539c69b2b512e4d15f73e9b2f37131cde4caa544e473cae24981b32d15.exe

  • Size

    512KB

  • MD5

    772bfbab3d47ea59ee2491ed9dd7d4a5

  • SHA1

    f2b42150408f5b762a271b20482697fb1a045c6b

  • SHA256

    364f36539c69b2b512e4d15f73e9b2f37131cde4caa544e473cae24981b32d15

  • SHA512

    8595ffcda20c80064673d8f1e4271c26f28b433e96cbc12968f9510af9c6148ae4d0e4fd838509385d30038292b3458203c0cf2fcfc40b7110eea6ac1f3adb16

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4L:0+h9OY70z+warul3E4L

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 3 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\364f36539c69b2b512e4d15f73e9b2f37131cde4caa544e473cae24981b32d15.exe
    "C:\Users\Admin\AppData\Local\Temp\364f36539c69b2b512e4d15f73e9b2f37131cde4caa544e473cae24981b32d15.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:3276
    • C:\Users\Admin\AppData\Local\Temp\n2116\s2116.exe
      "C:\Users\Admin\AppData\Local\Temp\n2116\s2116.exe" 02189853dfd9772cb7f1a27aSgLKulN3WUnfZT6WaSs7gLD7FmYErbTP+3nDbEjrGcOOzMdyUuQYEOS55mBwmB4C+6Ox5YyYZMDPYYCbBKm0v1JcoZhS0eWFqs74XVjVwYdTWbJ1YD8umB2j+h+Q4xqry+uk1UYSmmTO/RNORUZBlQsi /v "C:\Users\Admin\AppData\Local\Temp\364f36539c69b2b512e4d15f73e9b2f37131cde4caa544e473cae24981b32d15.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:1812

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n2116\s2116.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n2116\s2116.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/1812-135-0x000000001CA90000-0x000000001D4C6000-memory.dmp

          Filesize

          10.2MB

        • memory/1812-136-0x000000000194A000-0x000000000194F000-memory.dmp

          Filesize

          20KB

        • memory/1812-137-0x000000000194A000-0x000000000194F000-memory.dmp

          Filesize

          20KB