Analysis

  • max time kernel
    95s
  • max time network
    98s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 07:37

General

  • Target

    808700be99b23da95b042d45e68212af50b761f838da2f9823f853a7bc3c2d32.exe

  • Size

    512KB

  • MD5

    0814df57ff801a65acc1097857c4bc9b

  • SHA1

    1552b94f0c678fe811c636f1940d7261a9227559

  • SHA256

    808700be99b23da95b042d45e68212af50b761f838da2f9823f853a7bc3c2d32

  • SHA512

    e920a8e75a0be37a11b181873074ec1b5f6be9a49ad23847f854847a2c3ac77848447b6da890809b8fb604c5dfc5d029ee351d4030dd193cfc5c027b8df979df

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4d:0+h9OY70z+warul3E4d

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\808700be99b23da95b042d45e68212af50b761f838da2f9823f853a7bc3c2d32.exe
    "C:\Users\Admin\AppData\Local\Temp\808700be99b23da95b042d45e68212af50b761f838da2f9823f853a7bc3c2d32.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:1732
    • C:\Users\Admin\AppData\Local\Temp\n7536\s7536.exe
      "C:\Users\Admin\AppData\Local\Temp\n7536\s7536.exe" 75de68932240f3a837a1c189F3JaetHTf+ajq4YkV64+wKq28UpZD/i9vq3agDYcrzsKqUMiSGCxl+zaFT2mHBdWbe/58oHdDANhnts6FJc1OY5eOd5g3xWyF7iLfVk8Eq+Q9oqWdZNalpwaF7FI7GwwBon/ayNxsFKHqPM6ix29qLbT /v "C:\Users\Admin\AppData\Local\Temp\808700be99b23da95b042d45e68212af50b761f838da2f9823f853a7bc3c2d32.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1496

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n7536\s7536.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n7536\s7536.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n7536\s7536.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n7536\s7536.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n7536\s7536.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n7536\s7536.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/1496-62-0x000007FEF4460000-0x000007FEF4E83000-memory.dmp

          Filesize

          10.1MB

        • memory/1496-63-0x000007FEF3180000-0x000007FEF4216000-memory.dmp

          Filesize

          16.6MB

        • memory/1496-64-0x000007FEFBFE1000-0x000007FEFBFE3000-memory.dmp

          Filesize

          8KB

        • memory/1496-66-0x00000000006D6000-0x00000000006F5000-memory.dmp

          Filesize

          124KB

        • memory/1496-65-0x000007FEEE5A0000-0x000007FEEF42F000-memory.dmp

          Filesize

          14.6MB

        • memory/1496-67-0x000007FEF2660000-0x000007FEF294A000-memory.dmp

          Filesize

          2.9MB

        • memory/1496-68-0x00000000006D6000-0x00000000006F5000-memory.dmp

          Filesize

          124KB

        • memory/1732-54-0x0000000076411000-0x0000000076413000-memory.dmp

          Filesize

          8KB