Analysis

  • max time kernel
    51s
  • max time network
    76s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 01:06

General

  • Target

    d4d8e376398bccf497c2b304f3648ff7e0c0ef93e54f71ebd41ae4742dc90bba.exe

  • Size

    512KB

  • MD5

    1ffcdeed85ec1a839d01ec15378ba74d

  • SHA1

    bc5cfffe1b080c59d9cd61d3d9eb3f9cf3c0f632

  • SHA256

    d4d8e376398bccf497c2b304f3648ff7e0c0ef93e54f71ebd41ae4742dc90bba

  • SHA512

    0eacbf258a6a31c77ba5d6071a90f721a2b6de64e4df5fa0a1da5583474c097462fb8938fa885c80debaf1f29a9dbef3e239dea0a224f074ecbab69ed302a4e0

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4V:0+h9OY70z+warul3E4V

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\d4d8e376398bccf497c2b304f3648ff7e0c0ef93e54f71ebd41ae4742dc90bba.exe
    "C:\Users\Admin\AppData\Local\Temp\d4d8e376398bccf497c2b304f3648ff7e0c0ef93e54f71ebd41ae4742dc90bba.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:1736
    • C:\Users\Admin\AppData\Local\Temp\n9046\s9046.exe
      "C:\Users\Admin\AppData\Local\Temp\n9046\s9046.exe" cefe31472f33039e18f982d6lv4kDJkD1GKiWwxt7B05wPK4kaEhtLFMFsYd2Ob3XvlHA6E2IGEY6ZNqHyPbYHf5Byz0sY/Cm3QDt/LlOyV5ZpSo6e7PIB5y/Xd/16N9v0h48DQXwpg5V+pXz+D6RhMaMZfuXUBm8TUNnYm88kc6gj+i /v "C:\Users\Admin\AppData\Local\Temp\d4d8e376398bccf497c2b304f3648ff7e0c0ef93e54f71ebd41ae4742dc90bba.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:604

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\n9046\s9046.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n9046\s9046.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n9046\s9046.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n9046\s9046.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n9046\s9046.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n9046\s9046.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/604-62-0x000007FEF4460000-0x000007FEF4E83000-memory.dmp

    Filesize

    10.1MB

  • memory/604-63-0x000007FEF3180000-0x000007FEF4216000-memory.dmp

    Filesize

    16.6MB

  • memory/604-64-0x000007FEFBFE1000-0x000007FEFBFE3000-memory.dmp

    Filesize

    8KB

  • memory/604-66-0x0000000000B06000-0x0000000000B25000-memory.dmp

    Filesize

    124KB

  • memory/604-65-0x000007FEEE5A0000-0x000007FEEF42F000-memory.dmp

    Filesize

    14.6MB

  • memory/604-67-0x000007FEF2660000-0x000007FEF294A000-memory.dmp

    Filesize

    2.9MB

  • memory/604-68-0x0000000000B06000-0x0000000000B25000-memory.dmp

    Filesize

    124KB

  • memory/1736-54-0x0000000076411000-0x0000000076413000-memory.dmp

    Filesize

    8KB