Analysis

  • max time kernel
    148s
  • max time network
    67s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    13-07-2020 09:35

General

  • Target

    260vv53.exe

  • Size

    156KB

  • MD5

    8034076d1c34a8d5b4e1acf4f83889a6

  • SHA1

    3424ee732f4bbe41d977ad59cd6d8f4235385095

  • SHA256

    a3d73a97079478583fb8ec8e057635547d2895bcd59f57df145386c29657ea75

  • SHA512

    2fad11b1433b11c659eefde8ca0ee22db93fbd65f089080402d3c0185787135638484b307b9bbd553034ca36cfbd14f669e785dc754db4b0cd236bdd74cc6edc

Malware Config

Extracted

Path

\??\M:\Boot\cs-CZ\Read_Me.txt

Ransom Note
Attention! All your files, documents, photos, databases and other important files are encrypted The only method of recovering files is to purchase an unique decryptor. Only we can give you this decryptor and only we can recover your files. The server with your decryptor is in a closed network TOR. You can get there by the following ways: ---------------------------------------------------------------------------------------- 1. Download Tor browser - https://www.torproject.org/ 2. Install Tor browser 3. Open Tor Browser 4. Open link in TOR browser: http://7rzpyw3hflwe2c7h.onion/?QQQQQQQQ 5. Follow the instructions on this page ---------------------------------------------------------------------------------------- On our page you will see instructions on payment and get the opportunity to decrypt 1 file for free. Alternate communication channel here: http://helpqvrg3cc5mvb3.onion/
URLs

http://7rzpyw3hflwe2c7h.onion/?QQQQQQQQ

http://helpqvrg3cc5mvb3.onion/

Signatures

  • Suspicious use of WriteProcessMemory 10 IoCs
  • Suspicious use of SendNotifyMessage 98 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies registry class 20 IoCs
  • Enumerates connected drives 3 TTPs
  • Suspicious behavior: EnumeratesProcesses 4528 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Drops file in Program Files directory 12082 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • Suspicious use of FindShellTrayWindow 84 IoCs
  • Drops startup file 1 IoCs
  • Drops desktop.ini file(s) 41 IoCs
  • Modifies service 2 TTPs 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\260vv53.exe
    "C:\Users\Admin\AppData\Local\Temp\260vv53.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    PID:1144
    • C:\Users\Admin\AppData\Local\Temp\260vv53.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Drops file in Program Files directory
      • Drops startup file
      • Drops desktop.ini file(s)
      PID:1432
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Suspicious use of SendNotifyMessage
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Modifies Installed Components in the registry
    • Suspicious use of FindShellTrayWindow
    • Drops desktop.ini file(s)
    • Modifies service
    PID:1364
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Suspicious use of SendNotifyMessage
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Modifies Installed Components in the registry
    • Suspicious use of FindShellTrayWindow
    PID:324
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Suspicious use of SendNotifyMessage
    • Suspicious behavior: GetForegroundWindowSpam
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Modifies Installed Components in the registry
    • Suspicious use of FindShellTrayWindow
    PID:1416
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Modifies Installed Components in the registry
    • Suspicious use of FindShellTrayWindow
    • Modifies service
    PID:688

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/688-9-0x00000000038D0000-0x00000000038D1000-memory.dmp

    Filesize

    4KB

  • memory/688-13-0x00000000038D0000-0x00000000038D1000-memory.dmp

    Filesize

    4KB

  • memory/688-15-0x00000000038D0000-0x00000000038D1000-memory.dmp

    Filesize

    4KB

  • memory/688-17-0x00000000038D0000-0x00000000038D1000-memory.dmp

    Filesize

    4KB

  • memory/688-18-0x00000000038D0000-0x00000000038D1000-memory.dmp

    Filesize

    4KB

  • memory/688-54-0x00000000041E0000-0x00000000041E1000-memory.dmp

    Filesize

    4KB

  • memory/1364-5-0x0000000004360000-0x0000000004361000-memory.dmp

    Filesize

    4KB

  • memory/1416-7-0x0000000003570000-0x0000000003571000-memory.dmp

    Filesize

    4KB

  • memory/1416-8-0x0000000003D20000-0x0000000003D21000-memory.dmp

    Filesize

    4KB

  • memory/1432-4-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1432-2-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB