Overview

overview

10

Static

static

3

0a937d4fe8...76.exe

windows7-x64

10

0a937d4fe8...76.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    122s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17-04-2024 14:11

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General

  • Target

    0a937d4fe8aa6cb947b95841c490d73e452a3cafcd92645afc353006786aba76.exe

  • Size

    150KB

  • MD5

    5761ee98b1c2fea31b5408516a8929ea

  • SHA1

    4d043df23e55088bfc04c14dfb9ddb329a703cc1

  • SHA256

    0a937d4fe8aa6cb947b95841c490d73e452a3cafcd92645afc353006786aba76

  • SHA512

    9dbf296719bc130bc700db94fd43985c32cb9de3b1867ed7c8666b62e4b9d0826b6df03cb125644c9338118d9caf679bfa1eb55da39f46b94db023bdcd9ff338

  • SSDEEP

    3072:pm3/OyVPX/1jTCAR4fsp0Vb2xosM89QJ49cqO2DDHMqqD/Tx0Hv/:pq/1VP1OyysNmJyXsqqD/ls/

Score
10/10
lockbitevasionpersistenceransomware

Malware Config

Extracted

Path

C:\Program Files\DVD Maker\es-ES\Restore-My-Files.txt

Family

lockbit

Ransom Note
All your important files are encrypted! Any attempts to restore your files with the thrid-party software will be fatal for your files! RESTORE YOU DATA POSIBLE ONLY BUYING private key from us. There is only one way to get your files back: | 1. Download Tor browser - https://www.torproject.org/ and install it. | 2. Open link in TOR browser - http://lockbitks2tvnmwk.onion/?A0C155001DD0CB019849170FE0737279 This link only works in Tor Browser! | 3. Follow the instructions on this page ### Attention! ### # Do not rename encrypted files. # Do not try to decrypt using third party software, it may cause permanent data loss. # Decryption of your files with the help of third parties may cause increased price(they add their fee to our). # Tor Browser may be blocked in your country or corporate network. Use https://bridges.torproject.org or use Tor Browser over VPN. # Tor Browser user manual https://tb-manual.torproject.org/about !!! We also download huge amount of your private data, including finance information, clients personal info, network diagrams, passwords and so on. Don't forget about GDPR.
URLs

http://lockbitks2tvnmwk.onion/?A0C155001DD0CB019849170FE0737279

Signatures

  • Lockbit

    Ransomware family with multiple variants released since late 2019.

    ransomwarelockbit
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
    ransomwareevasion
  • Renames multiple (8415) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Deletes backup catalog 3 TTPs 1 IoCs

    Uses wbadmin.exe to inhibit system recovery.

    ransomware
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Modifies Control Panel 2 IoCs
    evasion
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\0a937d4fe8aa6cb947b95841c490d73e452a3cafcd92645afc353006786aba76.exe
    "C:\Users\Admin\AppData\Local\Temp\0a937d4fe8aa6cb947b95841c490d73e452a3cafcd92645afc353006786aba76.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Program Files directory
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2740
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin delete shadows /all /quiet & wmic shadowcopy delete & bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no & wbadmin delete catalog -quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2956
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:2584
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2220
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:1464
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:224
      • C:\Windows\system32\wbadmin.exe
        wbadmin delete catalog -quiet
        3⤵
        • Deletes backup catalog
        PID:2552
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C ping 127.0.0.7 -n 3 > Nul & fsutil file setZeroData offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\0a937d4fe8aa6cb947b95841c490d73e452a3cafcd92645afc353006786aba76.exe" & Del /f /q "C:\Users\Admin\AppData\Local\Temp\0a937d4fe8aa6cb947b95841c490d73e452a3cafcd92645afc353006786aba76.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3636
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.7 -n 3
        3⤵
        • Runs ping.exe
        PID:3724
      • C:\Windows\SysWOW64\fsutil.exe
        fsutil file setZeroData offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\0a937d4fe8aa6cb947b95841c490d73e452a3cafcd92645afc353006786aba76.exe"
        3⤵
          PID:3772
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 724
        2⤵
        • Program crash
        PID:3648
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2580
    • C:\Windows\system32\wbengine.exe
      "C:\Windows\system32\wbengine.exe"
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:308
    • C:\Windows\System32\vdsldr.exe
      C:\Windows\System32\vdsldr.exe -Embedding
      1⤵
        PID:2732
      • C:\Windows\System32\vds.exe
        C:\Windows\System32\vds.exe
        1⤵
          PID:1908

        Network

        MITRE ATT&CK Matrix ATT&CK v13

        Initial Access

        Execution

        Command and Scripting Interpreter

        1
        T1059

        Persistence

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Privilege Escalation

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Defense Evasion

        Indicator Removal

        3
        T1070

        File Deletion

        3
        T1070.004

        Modify Registry

        2
        T1112

        Credential Access

        Discovery

        Query Registry

        2
        T1012

        Peripheral Device Discovery

        1
        T1120

        System Information Discovery

        2
        T1082

        Remote System Discovery

        1
        T1018

        Lateral Movement

        Collection

        Exfiltration

        Command and Control

        Impact

        Inhibit System Recovery

        4
        T1490

        Defacement

        1
        T1491

        Resource Development

        Reconnaissance

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files\DVD Maker\es-ES\Restore-My-Files.txt
          Filesize

          1KB

          MD5

          81fb301f1a22840b8b45d85b6da4d25b

          SHA1

          5bde9588be606bb56c78346bf1d92e991f0ecd26

          SHA256

          e62e1af39e08237b91be9e95482d6b66dfc4120105a7221e32ae6d59a690980c

          SHA512

          f13abbe33af50f689cd3ce289022b77852a77d888fdc5b0958c1929c9854d4eae5be557fd4194efd6741b8daeebd85a46ab86892904dbc323b70bb794a5c42fd

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