Analysis

  • max time kernel
    74s
  • max time network
    163s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 21:59

General

  • Target

    7728345df5873baf11287340db183bb9792a80b28637bc9a7e5cfb938e239a89.exe

  • Size

    512KB

  • MD5

    be3abbcba4b70cd0c23c35b188273d63

  • SHA1

    085c80965b0c40cbc9a7e1358212ac0ea2fe2d75

  • SHA256

    7728345df5873baf11287340db183bb9792a80b28637bc9a7e5cfb938e239a89

  • SHA512

    e7df3944e670d2ca5633a55318019a9dfec507df911f036bc3e2327884d8fb51c985170e790cca5a2506d2aa6d9162cee57637abade9ab73e236d7b9a9d61685

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E44b:0+h9OY70z+warul3E44b

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\7728345df5873baf11287340db183bb9792a80b28637bc9a7e5cfb938e239a89.exe
    "C:\Users\Admin\AppData\Local\Temp\7728345df5873baf11287340db183bb9792a80b28637bc9a7e5cfb938e239a89.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:940
    • C:\Users\Admin\AppData\Local\Temp\n7363\s7363.exe
      "C:\Users\Admin\AppData\Local\Temp\n7363\s7363.exe" a951cb9add8ba81f6dfa029a0aWcJeYWjDd+Dr/brEaZ0+Ufr3iW89rWRHXpWiZJiidQ9RKJMyP/BngogTkyBDTeBH7Zd5lOvry40s2Ytl6Koq1FV6+s+vID89mAma7vMBYROzzy7Y/hkYjWTqyGgU0dEoMhDlkC/5YLxRIw3VIeYG+P /v "C:\Users\Admin\AppData\Local\Temp\7728345df5873baf11287340db183bb9792a80b28637bc9a7e5cfb938e239a89.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2032

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n7363\s7363.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n7363\s7363.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n7363\s7363.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n7363\s7363.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n7363\s7363.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n7363\s7363.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/940-54-0x0000000076411000-0x0000000076413000-memory.dmp

          Filesize

          8KB

        • memory/2032-62-0x000007FEF4B20000-0x000007FEF5543000-memory.dmp

          Filesize

          10.1MB

        • memory/2032-63-0x000007FEF3840000-0x000007FEF48D6000-memory.dmp

          Filesize

          16.6MB

        • memory/2032-64-0x000007FEFC4E1000-0x000007FEFC4E3000-memory.dmp

          Filesize

          8KB

        • memory/2032-65-0x00000000009C6000-0x00000000009E5000-memory.dmp

          Filesize

          124KB

        • memory/2032-66-0x000007FEEED60000-0x000007FEEFBEF000-memory.dmp

          Filesize

          14.6MB

        • memory/2032-67-0x000007FEEEA70000-0x000007FEEED5A000-memory.dmp

          Filesize

          2.9MB

        • memory/2032-68-0x00000000009C6000-0x00000000009E5000-memory.dmp

          Filesize

          124KB

        • memory/2032-69-0x00000000009C6000-0x00000000009E5000-memory.dmp

          Filesize

          124KB