Analysis

  • max time kernel
    49s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 23:53

General

  • Target

    76e94f9783a96e3185dd89bcbf86dd640741cba5773b1374f8d557a3dcef40a3.exe

  • Size

    512KB

  • MD5

    72af02a19e2ca398fb113c3fc24da4c4

  • SHA1

    515a9ff08475a41810ce787b7d4b701a17c96f57

  • SHA256

    76e94f9783a96e3185dd89bcbf86dd640741cba5773b1374f8d557a3dcef40a3

  • SHA512

    0c803ab00757603552e11f81f3f421e8dae9ffd78bc7ef06c00ed7885160a810b956deaf6282b5b21bf18cd05e33d3ba2d61f496a96d3b69dd13303308b73e24

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4f:0+h9OY70z+warul3E4f

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\76e94f9783a96e3185dd89bcbf86dd640741cba5773b1374f8d557a3dcef40a3.exe
    "C:\Users\Admin\AppData\Local\Temp\76e94f9783a96e3185dd89bcbf86dd640741cba5773b1374f8d557a3dcef40a3.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:1396
    • C:\Users\Admin\AppData\Local\Temp\n504\s504.exe
      "C:\Users\Admin\AppData\Local\Temp\n504\s504.exe" 31213212dd6b5103cab83a8d/50iKRQ4vRH5H9KeVmHdSHYHZwfsAOBY7owdSDsPMPYTArDaaDNM8IO2F6Ij5mu4mcFlv/CKXYmtmOA4t0EuEPJDRezckAue2Dq6AJO5LnUEPV1zEVufWxQFz+2xx+VnkMzZaXM7Bisczx8g/+fr5vuI /v "C:\Users\Admin\AppData\Local\Temp\76e94f9783a96e3185dd89bcbf86dd640741cba5773b1374f8d557a3dcef40a3.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1332

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n504\s504.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n504\s504.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n504\s504.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n504\s504.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n504\s504.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n504\s504.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1332-59-0x0000000000000000-mapping.dmp

  • memory/1332-62-0x000007FEF3C00000-0x000007FEF4623000-memory.dmp

    Filesize

    10.1MB

  • memory/1332-63-0x000007FEF2B60000-0x000007FEF3BF6000-memory.dmp

    Filesize

    16.6MB

  • memory/1332-64-0x000007FEFB781000-0x000007FEFB783000-memory.dmp

    Filesize

    8KB

  • memory/1332-65-0x000007FEED660000-0x000007FEEE4EF000-memory.dmp

    Filesize

    14.6MB

  • memory/1332-66-0x0000000001FF6000-0x0000000002015000-memory.dmp

    Filesize

    124KB

  • memory/1332-67-0x000007FEF2080000-0x000007FEF236A000-memory.dmp

    Filesize

    2.9MB

  • memory/1332-68-0x0000000001FF6000-0x0000000002015000-memory.dmp

    Filesize

    124KB

  • memory/1396-54-0x00000000752B1000-0x00000000752B3000-memory.dmp

    Filesize

    8KB