Analysis

  • max time kernel
    151s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    24-05-2022 00:44

General

  • Target

    935618441af5a6a841621b34a836050eddbfd8a8b09aaf5effb917e6c1804f3c.exe

  • Size

    409KB

  • MD5

    ca5f6009311c61f27ad3be2914b9fc59

  • SHA1

    d20a8fef26ee4d833ee81c2bd6aaa8a06f322562

  • SHA256

    935618441af5a6a841621b34a836050eddbfd8a8b09aaf5effb917e6c1804f3c

  • SHA512

    4823125186d614a40b5356b042ea893a71be12930e5b5f454a6fb0b99ba90cf00f29919fe9ac9f9f793ae7a51cf8a2334a31727e14bbfdb393566ad3023eabfa

Malware Config

Extracted

Path

C:\Restore-My-Files.txt

Ransom Note
All your files are Encrypted! For data recovery needs decryptor. How to buy decryptor: ---------------------------------------------------------------------------------------- | 1. Download Tor browser - https://www.torproject.org/ and install it. | 2. Open link in TOR browser - http://decrmbgpvh6kvmti.onion/ | 3. Follow the instructions on this page ---------------------------------------------------------------------------------------- Note! This link is available via "Tor Browser" only. ------------------------------------------------------------ Free decryption as guarantee. Before paying you can send us 1 file for free decryption. ------------------------------------------------------------ alternate address - http://helpinfh6vj47ift.onion/ DO NOT CHANGE DATA BELOW ###s6dlsnhtjwbhr###�����������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�������������
URLs

http://decrmbgpvh6kvmti.onion/

http://helpinfh6vj47ift.onion/

Signatures

  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

  • Lockbit

    Ransomware family with multiple variants released since late 2019.

  • Executes dropped EXE 2 IoCs
  • Modifies extensions of user files 9 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 24 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies system certificate store 2 TTPs 3 IoCs
  • NTFS ADS 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\935618441af5a6a841621b34a836050eddbfd8a8b09aaf5effb917e6c1804f3c.exe
    "C:\Users\Admin\AppData\Local\Temp\935618441af5a6a841621b34a836050eddbfd8a8b09aaf5effb917e6c1804f3c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2192
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C type nul > "C:\Users\Admin\AppData\Local\Temp\935618441af5a6a841621b34a836050eddbfd8a8b09aaf5effb917e6c1804f3c.exe:Zone.Identifier"
      2⤵
      • NTFS ADS
      PID:2712
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C type nul > "C:\Users\Admin\AppData\Local\Temp\935618441af5a6a841621b34a836050eddbfd8a8b09aaf5effb917e6c1804f3c.exe:Zone.Identifier"
      2⤵
      • NTFS ADS
      PID:4708
    • C:\Users\Admin\AppData\Local\Temp\935618441af5a6a841621b34a836050eddbfd8a8b09aaf5effb917e6c1804f3c.exe
      "C:\Users\Admin\AppData\Local\Temp\935618441af5a6a841621b34a836050eddbfd8a8b09aaf5effb917e6c1804f3c.exe"
      2⤵
      • Executes dropped EXE
      PID:1552
    • C:\Users\Admin\AppData\Local\Temp\935618441af5a6a841621b34a836050eddbfd8a8b09aaf5effb917e6c1804f3c.exe
      "C:\Users\Admin\AppData\Local\Temp\935618441af5a6a841621b34a836050eddbfd8a8b09aaf5effb917e6c1804f3c.exe"
      2⤵
      • Executes dropped EXE
      • Modifies extensions of user files
      • Adds Run key to start application
      • Drops desktop.ini file(s)
      • NTFS ADS
      PID:3436
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
    1⤵
      PID:2148

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\935618441af5a6a841621b34a836050eddbfd8a8b09aaf5effb917e6c1804f3c.exe

      Filesize

      409KB

      MD5

      ca5f6009311c61f27ad3be2914b9fc59

      SHA1

      d20a8fef26ee4d833ee81c2bd6aaa8a06f322562

      SHA256

      935618441af5a6a841621b34a836050eddbfd8a8b09aaf5effb917e6c1804f3c

      SHA512

      4823125186d614a40b5356b042ea893a71be12930e5b5f454a6fb0b99ba90cf00f29919fe9ac9f9f793ae7a51cf8a2334a31727e14bbfdb393566ad3023eabfa

    • C:\Users\Admin\AppData\Local\Temp\935618441af5a6a841621b34a836050eddbfd8a8b09aaf5effb917e6c1804f3c.exe

      Filesize

      409KB

      MD5

      ca5f6009311c61f27ad3be2914b9fc59

      SHA1

      d20a8fef26ee4d833ee81c2bd6aaa8a06f322562

      SHA256

      935618441af5a6a841621b34a836050eddbfd8a8b09aaf5effb917e6c1804f3c

      SHA512

      4823125186d614a40b5356b042ea893a71be12930e5b5f454a6fb0b99ba90cf00f29919fe9ac9f9f793ae7a51cf8a2334a31727e14bbfdb393566ad3023eabfa

    • memory/2192-138-0x0000000000A00000-0x0000000000A9C000-memory.dmp

      Filesize

      624KB

    • memory/2192-134-0x0000000005DE0000-0x0000000005E02000-memory.dmp

      Filesize

      136KB

    • memory/2192-135-0x00000000066D0000-0x0000000006C74000-memory.dmp

      Filesize

      5.6MB

    • memory/2192-137-0x0000000006120000-0x00000000061B2000-memory.dmp

      Filesize

      584KB

    • memory/2192-130-0x0000000000220000-0x000000000028A000-memory.dmp

      Filesize

      424KB

    • memory/2192-133-0x0000000005F50000-0x0000000006112000-memory.dmp

      Filesize

      1.8MB

    • memory/2192-131-0x0000000005870000-0x00000000058D6000-memory.dmp

      Filesize

      408KB

    • memory/3436-142-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

    • memory/3436-145-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

    • memory/3436-146-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB