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Analysis

  • max time kernel
    157s
  • max time network
    168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 15:41

General

  • Target

    7059ad802d04a9d6de16c99dfa8d86b3b7b4f319eec654a442e45c9699aaef88.exe

  • Size

    512KB

  • MD5

    86735b3f33f66561b7aef8b5ffd26d04

  • SHA1

    4a0b112d9fc5d9baf42f4ab92668425ca72dc2d0

  • SHA256

    7059ad802d04a9d6de16c99dfa8d86b3b7b4f319eec654a442e45c9699aaef88

  • SHA512

    49f1c9991223d8a98ba247786dc424ce8b09d59438d95f91354b32ef6c280f6632ddd482cb70a0415e21b03fc87b8f17950d1893d49b3febc2506e21ffe49a5b

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4K:0+h9OY70z+warul3E4K

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 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 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7059ad802d04a9d6de16c99dfa8d86b3b7b4f319eec654a442e45c9699aaef88.exe
    "C:\Users\Admin\AppData\Local\Temp\7059ad802d04a9d6de16c99dfa8d86b3b7b4f319eec654a442e45c9699aaef88.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4468
    • C:\Users\Admin\AppData\Local\Temp\n1951\s1951.exe
      "C:\Users\Admin\AppData\Local\Temp\n1951\s1951.exe" 990d347d1fdce8d0e6647defYs1IhaC8LIIDBZignIBQbv2TS2TUZ5E9opcaX1HDBHAEhRV9SiZwrwRx1lCYWxWm6d+VzQ5hjggyQ3eyD/vzN9quZeFwuXU+kNy1mpPAzqL7ModjxojHRSyoR/oWckHTlCc+PNlT7Kj6xCMPwg4I2IQ2 /v "C:\Users\Admin\AppData\Local\Temp\7059ad802d04a9d6de16c99dfa8d86b3b7b4f319eec654a442e45c9699aaef88.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2900

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n1951\s1951.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n1951\s1951.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/2900-135-0x00007FFEA4080000-0x00007FFEA4AB6000-memory.dmp

    Filesize

    10.2MB

  • memory/2900-136-0x0000000000EBA000-0x0000000000EBF000-memory.dmp

    Filesize

    20KB

  • memory/2900-137-0x0000000000EBA000-0x0000000000EBF000-memory.dmp

    Filesize

    20KB