Analysis

  • max time kernel
    99s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 01:39

General

  • Target

    4504e4a6c83f464bd9d244b35208d8505770af9f0af42b913288bb9357406aa2.exe

  • Size

    512KB

  • MD5

    25d1bd84eb4073f64fffd02f9b21eadd

  • SHA1

    6da205a92875094860e218b5a9c32738c28e544f

  • SHA256

    4504e4a6c83f464bd9d244b35208d8505770af9f0af42b913288bb9357406aa2

  • SHA512

    fcb2dd4c47b053e59552d1a31abeb6248c304a935f513ace44fc58e8f80247ef84a8f0fe9ca6ca4d5d7950808579177afcf3f394bfd7b3b28901ca71b767d882

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E49o:0+h9OY70z+warul3E49o

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\4504e4a6c83f464bd9d244b35208d8505770af9f0af42b913288bb9357406aa2.exe
    "C:\Users\Admin\AppData\Local\Temp\4504e4a6c83f464bd9d244b35208d8505770af9f0af42b913288bb9357406aa2.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:276
    • C:\Users\Admin\AppData\Local\Temp\n7367\s7367.exe
      "C:\Users\Admin\AppData\Local\Temp\n7367\s7367.exe" 70ae41d4d9cb2aa672391925P27Cy+oY+kd1zh9qQpe3aZGGMxPK299c5qi48/yg0HZVirnQk5zofaEomqtrpm/o7z63UfMjLkFksg//a9kIcjOmKMyLf1tIBJU3oivx1/cpt3pFud+n9IIkgSDGQ77cJOLIsfj+wZkLe9hjVvlOF1E7 /v "C:\Users\Admin\AppData\Local\Temp\4504e4a6c83f464bd9d244b35208d8505770af9f0af42b913288bb9357406aa2.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2020

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n7367\s7367.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n7367\s7367.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n7367\s7367.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n7367\s7367.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n7367\s7367.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n7367\s7367.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/276-54-0x0000000075241000-0x0000000075243000-memory.dmp

          Filesize

          8KB

        • memory/2020-62-0x000007FEF44C0000-0x000007FEF4EE3000-memory.dmp

          Filesize

          10.1MB

        • memory/2020-63-0x000007FEF31E0000-0x000007FEF4276000-memory.dmp

          Filesize

          16.6MB

        • memory/2020-64-0x000007FEFBE61000-0x000007FEFBE63000-memory.dmp

          Filesize

          8KB

        • memory/2020-65-0x00000000009C6000-0x00000000009E5000-memory.dmp

          Filesize

          124KB

        • memory/2020-66-0x000007FEEE9E0000-0x000007FEEF86F000-memory.dmp

          Filesize

          14.6MB

        • memory/2020-67-0x00000000009C6000-0x00000000009E5000-memory.dmp

          Filesize

          124KB