Analysis

  • max time kernel
    45s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 07:45

General

  • Target

    6f1caaca6ef498dde4d37facb74dd99c0b629d4d3a39614960210e031a4fe335.exe

  • Size

    512KB

  • MD5

    6282662f4fad93d4e3b408df19fa74f9

  • SHA1

    a009e0d36a4c8674775b7b8f7b70accb42ce127f

  • SHA256

    6f1caaca6ef498dde4d37facb74dd99c0b629d4d3a39614960210e031a4fe335

  • SHA512

    50de415b0e87edb449a38fc3ed1bb24fc0dcae3169e21c7451a8581026b8dc0177111f9f8c53d0c133b42c5c56756dd2e5b92ca195d7d3eec8888d594a213c51

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4l:0+h9OY70z+warul3E4l

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\6f1caaca6ef498dde4d37facb74dd99c0b629d4d3a39614960210e031a4fe335.exe
    "C:\Users\Admin\AppData\Local\Temp\6f1caaca6ef498dde4d37facb74dd99c0b629d4d3a39614960210e031a4fe335.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:1976
    • C:\Users\Admin\AppData\Local\Temp\n4464\s4464.exe
      "C:\Users\Admin\AppData\Local\Temp\n4464\s4464.exe" 3f329c9177f74102c491e67aAn0gcGHMU/KKSnhtQAU22eG8OXR4nB3cM0lePv8A5vOoI6SF/5Syimf8o+qqdxyk4IjUV7pEGaBWOKx1angOiBw3joTwdUOiOM4t2dW0CcWEQjhwy1twQKBOryD3DBUqaTKzDRiaHslecmE5GKGwqCRC /v "C:\Users\Admin\AppData\Local\Temp\6f1caaca6ef498dde4d37facb74dd99c0b629d4d3a39614960210e031a4fe335.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1588

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n4464\s4464.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n4464\s4464.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n4464\s4464.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n4464\s4464.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n4464\s4464.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n4464\s4464.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1588-62-0x000007FEF4A40000-0x000007FEF5463000-memory.dmp

    Filesize

    10.1MB

  • memory/1588-63-0x000007FEF3760000-0x000007FEF47F6000-memory.dmp

    Filesize

    16.6MB

  • memory/1588-64-0x0000000000A26000-0x0000000000A45000-memory.dmp

    Filesize

    124KB

  • memory/1588-65-0x000007FEEE510000-0x000007FEEF39F000-memory.dmp

    Filesize

    14.6MB

  • memory/1588-66-0x000007FEF2740000-0x000007FEF2A2A000-memory.dmp

    Filesize

    2.9MB

  • memory/1588-67-0x0000000000A26000-0x0000000000A45000-memory.dmp

    Filesize

    124KB

  • memory/1976-54-0x0000000075CF1000-0x0000000075CF3000-memory.dmp

    Filesize

    8KB