Analysis

  • max time kernel
    81s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/11/2022, 07:29

General

  • Target

    9240d3b8539cdcaadbe93474528c8a8e5de7245ad644c7f79d21e401760eb4f3.exe

  • Size

    512KB

  • MD5

    620d9b88c38929c40cba96c7498a6bba

  • SHA1

    f44df291079076315e610b8d38a5d78b6d8e2ae7

  • SHA256

    9240d3b8539cdcaadbe93474528c8a8e5de7245ad644c7f79d21e401760eb4f3

  • SHA512

    06ef6f2f465f21aee2e8f4aa48939113a7cb2e4a9511c411a501ae47c8eff84399596deffdd96c94b6e7df50f5f05406e912eb80d1c632d3d48afd6740a18c46

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4+:0+h9OY70z+warul3E4+

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\9240d3b8539cdcaadbe93474528c8a8e5de7245ad644c7f79d21e401760eb4f3.exe
    "C:\Users\Admin\AppData\Local\Temp\9240d3b8539cdcaadbe93474528c8a8e5de7245ad644c7f79d21e401760eb4f3.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:4736
    • C:\Users\Admin\AppData\Local\Temp\n5178\s5178.exe
      "C:\Users\Admin\AppData\Local\Temp\n5178\s5178.exe" ff873f123bcfc44b23b413b9LnrAGcTQPGdPM2jwgKS56at4av3IzD8FYvTo3GB626atoRuClixyhhFbyJ5mjxDlq6pTXMA80MiCLv7eqZ8r7ANCqiaV74i3JJdCj4OKFtlvKyAL3UMuO8ZQhX5pUjDSKnXPgPygp/WQsLPLm+0Zr6Qg /v "C:\Users\Admin\AppData\Local\Temp\9240d3b8539cdcaadbe93474528c8a8e5de7245ad644c7f79d21e401760eb4f3.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:312

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n5178\s5178.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n5178\s5178.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/312-135-0x000000001C2D0000-0x000000001CD06000-memory.dmp

    Filesize

    10.2MB

  • memory/312-136-0x00000000011EA000-0x00000000011EF000-memory.dmp

    Filesize

    20KB

  • memory/312-137-0x00000000011EA000-0x00000000011EF000-memory.dmp

    Filesize

    20KB