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Analysis

  • max time kernel
    189s
  • max time network
    206s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 18:56

General

  • Target

    945060e276978e14a0b296b289dd1b8ac979014f378cde323b70d48087a32238.exe

  • Size

    512KB

  • MD5

    d29a93e8d5476a44cc2425de57ceef93

  • SHA1

    c8711e14d45b16f90d65124fb3658d7c3ae2aad9

  • SHA256

    945060e276978e14a0b296b289dd1b8ac979014f378cde323b70d48087a32238

  • SHA512

    bea08576cf37d4b87ae7b4f5b4b0289e5ff567269126e83f541b5e3f6bfbbf9169e374980af0cee2f3eee3717d0827820803284c0888dcc6ad875769eba25a6b

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4D:0+h9OY70z+warul3E4D

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\945060e276978e14a0b296b289dd1b8ac979014f378cde323b70d48087a32238.exe
    "C:\Users\Admin\AppData\Local\Temp\945060e276978e14a0b296b289dd1b8ac979014f378cde323b70d48087a32238.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:4608
    • C:\Users\Admin\AppData\Local\Temp\n3113\s3113.exe
      "C:\Users\Admin\AppData\Local\Temp\n3113\s3113.exe" 3a9f0c16a3983ff440f600553cRWO/I6d6bzBzRi9dKG/k4M3SSKzTBopeApj18uK9+cDkJCVhttxM8vQzdyBY/QhiKsyEWCeljW7EpX2ZchW7FwSS/zhMZ2vWAg4824+PAGWvAIUxlZvhbOqy/CY1V6rHtgaaYLBdhv9n/c20oqI5y0 /v "C:\Users\Admin\AppData\Local\Temp\945060e276978e14a0b296b289dd1b8ac979014f378cde323b70d48087a32238.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:1552

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n3113\s3113.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n3113\s3113.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1552-135-0x00007FFEAE730000-0x00007FFEAF166000-memory.dmp

    Filesize

    10.2MB

  • memory/1552-136-0x0000000000D9A000-0x0000000000D9F000-memory.dmp

    Filesize

    20KB

  • memory/1552-137-0x0000000000D9A000-0x0000000000D9F000-memory.dmp

    Filesize

    20KB