Analysis

  • max time kernel
    75s
  • max time network
    107s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 00:45

General

  • Target

    c479b50f3bccb9ec5abaa5537ac71dce9d0c1709b85066f9a25b48cda986177f.exe

  • Size

    512KB

  • MD5

    bce459aa36d6fc9e73fd1605e7d2260d

  • SHA1

    558580626048a5f4edab304326e9164d63a81797

  • SHA256

    c479b50f3bccb9ec5abaa5537ac71dce9d0c1709b85066f9a25b48cda986177f

  • SHA512

    0ac39e1fc645bc23a5ca05751c9abd4c560544977f80952ecd266b602fe082e3227560e444e20ecd41f084d8fdaf56eaf99334013fb6e7454c71ed799d317caa

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E40:0+h9OY70z+warul3E40

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\c479b50f3bccb9ec5abaa5537ac71dce9d0c1709b85066f9a25b48cda986177f.exe
    "C:\Users\Admin\AppData\Local\Temp\c479b50f3bccb9ec5abaa5537ac71dce9d0c1709b85066f9a25b48cda986177f.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:1932
    • C:\Users\Admin\AppData\Local\Temp\n2943\s2943.exe
      "C:\Users\Admin\AppData\Local\Temp\n2943\s2943.exe" 2b980f557ea56e9bc99cb32919N3Q1G1DIFd8hLKU0QuwfIxT3bgAGhgXTjaGkO6NsTj0XKZutgcEuDwFB7gd5xSUekaOZhKeKj9nk/oS4V5VtMqnhj0ZhPU9DrPZQEx2ZVrTdI1xJoMmV5SCue3znu0EK7QEcDqpNQHgFQbHTb5XNqI /v "C:\Users\Admin\AppData\Local\Temp\c479b50f3bccb9ec5abaa5537ac71dce9d0c1709b85066f9a25b48cda986177f.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\n2943\s2943.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n2943\s2943.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n2943\s2943.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n2943\s2943.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n2943\s2943.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n2943\s2943.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/964-64-0x0000000001D76000-0x0000000001D95000-memory.dmp

          Filesize

          124KB

        • memory/964-65-0x000007FEEDF80000-0x000007FEEEE0F000-memory.dmp

          Filesize

          14.6MB

        • memory/964-66-0x000007FEF27A0000-0x000007FEF2A8A000-memory.dmp

          Filesize

          2.9MB

        • memory/964-67-0x0000000001D76000-0x0000000001D95000-memory.dmp

          Filesize

          124KB

        • memory/1932-54-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

          Filesize

          8KB