Analysis

  • max time kernel
    162s
  • max time network
    172s
  • 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, 21:30

General

  • Target

    19e3fa878e85d83509013bc7aae439c2bd8f31b6a4b165f5785969d4635a07a9.exe

  • Size

    512KB

  • MD5

    0f7f077c41a92fc8d03ab5f955ffbf27

  • SHA1

    07293ebe7892654748112d7271218ab1f500afd8

  • SHA256

    19e3fa878e85d83509013bc7aae439c2bd8f31b6a4b165f5785969d4635a07a9

  • SHA512

    2e0c0cb80290e7640f855a5b651f22196f01ba71f6703c951977d505605d5fd4a0eef6fcba7277a6a4a032a44dc16d25e11cc4ea4bcf9922aec83253801b39a9

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4+:0+h9OY70z+warul3E4+

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\19e3fa878e85d83509013bc7aae439c2bd8f31b6a4b165f5785969d4635a07a9.exe
    "C:\Users\Admin\AppData\Local\Temp\19e3fa878e85d83509013bc7aae439c2bd8f31b6a4b165f5785969d4635a07a9.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:3676
    • C:\Users\Admin\AppData\Local\Temp\n286\s286.exe
      "C:\Users\Admin\AppData\Local\Temp\n286\s286.exe" 3d20894a4547a1a34f7ee7d67VnoVCULUy5XudzpSfW9nAZuc7BekWJQ42tmy/7lONHzs0gnSPngFPZtrPg82RFytPZIf06B/hisFtni1+x6GJepX9EP6hJh71hvbsb+Y9Ql+zX2BR1381X2utuyBYLogQ4imQ5e0z1B8WIhUo1aJbVj /v "C:\Users\Admin\AppData\Local\Temp\19e3fa878e85d83509013bc7aae439c2bd8f31b6a4b165f5785969d4635a07a9.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:224

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n286\s286.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n286\s286.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/224-135-0x00007FFA47250000-0x00007FFA47C86000-memory.dmp

          Filesize

          10.2MB

        • memory/224-136-0x0000000000BFA000-0x0000000000BFF000-memory.dmp

          Filesize

          20KB

        • memory/224-137-0x0000000000BFA000-0x0000000000BFF000-memory.dmp

          Filesize

          20KB

        • memory/224-138-0x0000000000BFA000-0x0000000000BFF000-memory.dmp

          Filesize

          20KB