Analysis

  • max time kernel
    195s
  • max time network
    214s
  • 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, 18:09

General

  • Target

    9f918e8ada95b3573a46b3a26b63ea3d329e9cd72336325095bd509ed871bf66.exe

  • Size

    512KB

  • MD5

    5ccfc173ff89370099d40751e97eb5d4

  • SHA1

    ab11aaf8b75b8e52c1d9d245662e266ec24b0faf

  • SHA256

    9f918e8ada95b3573a46b3a26b63ea3d329e9cd72336325095bd509ed871bf66

  • SHA512

    876de6d27c43e2e6c2b519a0c45d6fbd50aab88e220712fe01337f9327471412c9fb05339c070187318581ef2ccf2248196daf44b9f1aca705f055da465de2b9

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4Y:0+h9OY70z+warul3E4Y

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 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9f918e8ada95b3573a46b3a26b63ea3d329e9cd72336325095bd509ed871bf66.exe
    "C:\Users\Admin\AppData\Local\Temp\9f918e8ada95b3573a46b3a26b63ea3d329e9cd72336325095bd509ed871bf66.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:4424
    • C:\Users\Admin\AppData\Local\Temp\n1032\s1032.exe
      "C:\Users\Admin\AppData\Local\Temp\n1032\s1032.exe" 5918ba28287ef8bb904f2ed6/RqTmkkSKuxwrCerC3xQZ2xZGVTG6M484gE4CQ4Q0/6Bwej5mGd3kSZNLNj+Uad7t8lQA2lw9+heVr7WBfLVoQMnodBcAEpoym7WOEaRvC57qZjN4Uk/o2ieA/Ck5LyAPHoVqqZmN/XoQzwB7vFvvuG7 /v "C:\Users\Admin\AppData\Local\Temp\9f918e8ada95b3573a46b3a26b63ea3d329e9cd72336325095bd509ed871bf66.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      PID:1400

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n1032\s1032.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n1032\s1032.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1400-135-0x00007FFC37F10000-0x00007FFC38946000-memory.dmp

    Filesize

    10.2MB