Analysis

  • max time kernel
    187s
  • max time network
    221s
  • 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, 19:38

General

  • Target

    197746346176a1c79c952e86785f69b36d996aae2eaa3f5ee8faf84029a7e107.exe

  • Size

    512KB

  • MD5

    61215709b8a509d1a95c6fd21a3c4035

  • SHA1

    cc4e57af9e93e928be435042d91a68869bb7d63e

  • SHA256

    197746346176a1c79c952e86785f69b36d996aae2eaa3f5ee8faf84029a7e107

  • SHA512

    ad42657be8b7ec28a889cade4f3bf8507bf27aaef7a4dad4e9b633ea0dee2dbf5dd04b50129fda846ae23099c6e9e2bbff771ea0cf32f0abc8db40b3134df6f8

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E48:0+h9OY70z+warul3E48

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\197746346176a1c79c952e86785f69b36d996aae2eaa3f5ee8faf84029a7e107.exe
    "C:\Users\Admin\AppData\Local\Temp\197746346176a1c79c952e86785f69b36d996aae2eaa3f5ee8faf84029a7e107.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:1236
    • C:\Users\Admin\AppData\Local\Temp\n5894\s5894.exe
      "C:\Users\Admin\AppData\Local\Temp\n5894\s5894.exe" 0b7190896ea71dc39fe89c2f5Z+pnJAHgRusbvLpPm2AdFJKcHZbTCLtrvJB5pyds71WDVaoxm1f4icPCGrIr196otVwJQCiTNdAsK50MLx8vOsh/9WWClLhIheWTRRVxzaGv0BqRbvXgoJ15i2UA82DGgZSZwmCF7Oc54NLdNJ4tdg/ /v "C:\Users\Admin\AppData\Local\Temp\197746346176a1c79c952e86785f69b36d996aae2eaa3f5ee8faf84029a7e107.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:2632

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n5894\s5894.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n5894\s5894.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/2632-135-0x000000001C8D0000-0x000000001D306000-memory.dmp

          Filesize

          10.2MB

        • memory/2632-136-0x000000000152A000-0x000000000152F000-memory.dmp

          Filesize

          20KB

        • memory/2632-137-0x000000000152A000-0x000000000152F000-memory.dmp

          Filesize

          20KB

        • memory/2632-138-0x000000000152A000-0x000000000152F000-memory.dmp

          Filesize

          20KB