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Analysis

  • max time kernel
    160s
  • max time network
    172s
  • 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, 15:46

General

  • Target

    9bc7ccdf4ce7413679c2fda656aa278535464db2b4802d6b74f75aa805646d09.exe

  • Size

    512KB

  • MD5

    7ada250e49797907b986dd6ff17aafce

  • SHA1

    3109ead10f37dde6f824c3c1c7843dd012520f3c

  • SHA256

    9bc7ccdf4ce7413679c2fda656aa278535464db2b4802d6b74f75aa805646d09

  • SHA512

    5488f1ccc85a6114b12e5affcf4fdf1a4354e9355ba2d2011d6a781ca7d1ae516431d4d0877ea106b3f41f7e5c8cf6638566d02964bd2b0e737c43869f3b1a16

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4E:0+h9OY70z+warul3E4E

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\9bc7ccdf4ce7413679c2fda656aa278535464db2b4802d6b74f75aa805646d09.exe
    "C:\Users\Admin\AppData\Local\Temp\9bc7ccdf4ce7413679c2fda656aa278535464db2b4802d6b74f75aa805646d09.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:3024
    • C:\Users\Admin\AppData\Local\Temp\n695\s695.exe
      "C:\Users\Admin\AppData\Local\Temp\n695\s695.exe" e6a716379b73d04e9618542dQFEPF9vsrqecg1+CFRhr8IDoMb8ChbaxY7/sLTdG5K3MWKhDDNhg1xYgsDRxM6WqD7zeOFfpJMCz9SxA1tdmsHpZBq3WTyf7a05RnJ+c6/LTnWAjAwEn1/Lqjp6h1wOXJlzCUYZ/0WSIigzRCgtVnB9f /v "C:\Users\Admin\AppData\Local\Temp\9bc7ccdf4ce7413679c2fda656aa278535464db2b4802d6b74f75aa805646d09.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:3748

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n695\s695.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n695\s695.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/3748-135-0x00007FFBFD070000-0x00007FFBFDAA6000-memory.dmp

    Filesize

    10.2MB

  • memory/3748-136-0x0000000000ADA000-0x0000000000ADF000-memory.dmp

    Filesize

    20KB

  • memory/3748-137-0x0000000000ADA000-0x0000000000ADF000-memory.dmp

    Filesize

    20KB

  • memory/3748-138-0x0000000000ADA000-0x0000000000ADF000-memory.dmp

    Filesize

    20KB