Analysis

  • max time kernel
    63s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 07:08

General

  • Target

    bc1b9401009ea22288092bcb98e535f8e5c00e76037f1576a0f1cec2d68cc6cf.exe

  • Size

    512KB

  • MD5

    ca2cc5335591eaf56f94e46d171406f6

  • SHA1

    422d59ae83c09c80e532befca700c39224ce3ab3

  • SHA256

    bc1b9401009ea22288092bcb98e535f8e5c00e76037f1576a0f1cec2d68cc6cf

  • SHA512

    c0d47f68427b1005135266f5346170291285dd329a6fc26027228e3ee27e9f5c14f0bc27659deca0dd15af743ec39630f2cf6d558ad6ff6cbc56ee591b7d3193

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4+:0+h9OY70z+warul3E4+

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\bc1b9401009ea22288092bcb98e535f8e5c00e76037f1576a0f1cec2d68cc6cf.exe
    "C:\Users\Admin\AppData\Local\Temp\bc1b9401009ea22288092bcb98e535f8e5c00e76037f1576a0f1cec2d68cc6cf.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:1476
    • C:\Users\Admin\AppData\Local\Temp\n378\s378.exe
      "C:\Users\Admin\AppData\Local\Temp\n378\s378.exe" c7448fc289117f85dd8722f7l36Valr8oxQKvrPtbTXscREFcc0FdnThKiZfiabQ4pJ/rXnBJZ4gpLZEdah0Gz8p3J5m0UDlNKOmwwbfiMpp2pQn/S0mxt2Hcy0hdeb7hoVKqyMkL/06mx18oRKgddiKP9G2pE5zLLbuyP9aFunOlKhv /v "C:\Users\Admin\AppData\Local\Temp\bc1b9401009ea22288092bcb98e535f8e5c00e76037f1576a0f1cec2d68cc6cf.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:316

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n378\s378.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n378\s378.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n378\s378.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n378\s378.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n378\s378.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n378\s378.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/316-62-0x000007FEF3900000-0x000007FEF4323000-memory.dmp

          Filesize

          10.1MB

        • memory/316-63-0x000007FEF2860000-0x000007FEF38F6000-memory.dmp

          Filesize

          16.6MB

        • memory/316-64-0x0000000000366000-0x0000000000385000-memory.dmp

          Filesize

          124KB

        • memory/316-65-0x000007FEEE840000-0x000007FEEF6CF000-memory.dmp

          Filesize

          14.6MB

        • memory/316-66-0x0000000000366000-0x0000000000385000-memory.dmp

          Filesize

          124KB

        • memory/316-67-0x000007FEF2570000-0x000007FEF285A000-memory.dmp

          Filesize

          2.9MB

        • memory/316-68-0x0000000000366000-0x0000000000385000-memory.dmp

          Filesize

          124KB

        • memory/1476-54-0x0000000075D01000-0x0000000075D03000-memory.dmp

          Filesize

          8KB