Analysis

  • max time kernel
    116s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 07:04

General

  • Target

    c407e047a9b1276c26eeedae3c4dfd2e5e289f603de0063e5febb020cb397997.exe

  • Size

    512KB

  • MD5

    04fb4affb86a6894c857a98f9c0770b1

  • SHA1

    9e039b5dd00d513772bcfce0e6da08375cf36022

  • SHA256

    c407e047a9b1276c26eeedae3c4dfd2e5e289f603de0063e5febb020cb397997

  • SHA512

    213eb81156174dfab5adca0e83297f6242d23e9e359478bb271cfcee2a91021a92613f05f216e2aff3f75ae783c5cc2a2ae792766e1c4a5f82310c6188e06f2d

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4V:0+h9OY70z+warul3E4V

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 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 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c407e047a9b1276c26eeedae3c4dfd2e5e289f603de0063e5febb020cb397997.exe
    "C:\Users\Admin\AppData\Local\Temp\c407e047a9b1276c26eeedae3c4dfd2e5e289f603de0063e5febb020cb397997.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Loads dropped DLL
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1956
    • C:\Users\Admin\AppData\Local\Temp\n9359\s9359.exe
      "C:\Users\Admin\AppData\Local\Temp\n9359\s9359.exe" 58d9f1dbe59150bfd86b1e87ZHQ5sI8wtkvEelLchubgWCxFzhcPgQDlMU5Fg6HP/dz+fc5GPeEOJwJXXagYCV9FaR23INELC3TQ+FepJDpfwIWZHLLWdptJG8NQmv0kgq6XtvwMkdt+80AS8phgjo6SF34TQtvi5z/NWQ5kcVpKfnpA /v "C:\Users\Admin\AppData\Local\Temp\c407e047a9b1276c26eeedae3c4dfd2e5e289f603de0063e5febb020cb397997.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:964

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n9359\s9359.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n9359\s9359.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n9359\s9359.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n9359\s9359.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n9359\s9359.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n9359\s9359.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/964-62-0x000007FEF3B30000-0x000007FEF4553000-memory.dmp

          Filesize

          10.1MB

        • memory/964-63-0x000007FEF2A90000-0x000007FEF3B26000-memory.dmp

          Filesize

          16.6MB

        • memory/964-64-0x000007FEFBF21000-0x000007FEFBF23000-memory.dmp

          Filesize

          8KB

        • memory/964-65-0x0000000001CE6000-0x0000000001D05000-memory.dmp

          Filesize

          124KB

        • memory/964-66-0x000007FEEDF80000-0x000007FEEEE0F000-memory.dmp

          Filesize

          14.6MB

        • memory/964-67-0x0000000001CE6000-0x0000000001D05000-memory.dmp

          Filesize

          124KB

        • memory/964-68-0x000007FEF27A0000-0x000007FEF2A8A000-memory.dmp

          Filesize

          2.9MB

        • memory/964-69-0x0000000001CE6000-0x0000000001D05000-memory.dmp

          Filesize

          124KB

        • memory/1956-54-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

          Filesize

          8KB