Analysis

  • max time kernel
    165s
  • max time network
    202s
  • 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, 22:16

General

  • Target

    db53e191016652f72f4a742d38a2b99ca3cbb22ec9d163699e65306667d6ce25.exe

  • Size

    512KB

  • MD5

    e5fa279781277b1da5d9e8c6cb50171b

  • SHA1

    e0705e78a04a5bc75b7e9a770b53b19c788b6a50

  • SHA256

    db53e191016652f72f4a742d38a2b99ca3cbb22ec9d163699e65306667d6ce25

  • SHA512

    c8a85b2b678a714b821fc158d7ec3b61114340d52a75218e24e8a7e8b3682a0299ffe8b72a70c87c74c5e5c35ecb631f1ec72393564b23590ef28c3d40e99d6b

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4S:0+h9OY70z+warul3E4S

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 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\db53e191016652f72f4a742d38a2b99ca3cbb22ec9d163699e65306667d6ce25.exe
    "C:\Users\Admin\AppData\Local\Temp\db53e191016652f72f4a742d38a2b99ca3cbb22ec9d163699e65306667d6ce25.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:1624
    • C:\Users\Admin\AppData\Local\Temp\n6566\s6566.exe
      "C:\Users\Admin\AppData\Local\Temp\n6566\s6566.exe" 7a2f8d237e94baae36f98e4e5XEgqwdAMLDz6Q97orpG7RZOoJwaRqrp7lcX5i5LRWITtYjpYunb667paaNTpoSMzdA2IZI2PUs4fUli5caeJ7bqXK5H9ERrn3nTtYJS8cuoXA36j8LvUz5x/p39uGkireQY4hmxxcK8eI+ucfjN5QVN /v "C:\Users\Admin\AppData\Local\Temp\db53e191016652f72f4a742d38a2b99ca3cbb22ec9d163699e65306667d6ce25.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      PID:1312

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n6566\s6566.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n6566\s6566.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/1312-135-0x00007FFEC6BC0000-0x00007FFEC75F6000-memory.dmp

          Filesize

          10.2MB