Overview

overview

10

Static

static

9

f3a8fbd973...8d.exe

windows7_x64

10

f3a8fbd973...8d.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    141s
  • max time network
    183s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    27-04-2022 17:57

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General

  • Target

    f3a8fbd973addb975bd4e9e86772b276ae7cc8bac3c1a0f94cf88f518efd348d.exe

  • Size

    627KB

  • MD5

    042227360a51cc44e56bae065eec9a90

  • SHA1

    85b0ec628c72b07e930a87158c73c71651def497

  • SHA256

    f3a8fbd973addb975bd4e9e86772b276ae7cc8bac3c1a0f94cf88f518efd348d

  • SHA512

    97dcb2c9df3f3d86faa64fec1e4377029ae3b8792fc1421e70cf971336aed885be0db6f48501c601780a790a3cb986686f04df2857899835dfc6d5582996723d

Score
10/10
lockbitevasionpersistenceransomware

Malware Config

Extracted

Path

C:\Program Files\7-Zip\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) Through a standard browser(FireFox, Chrome, Edge, Opera) | 1. Open link http://lockbit-decryptor.top/?9B7FDA8D33FEC3F9C4D1CFE696A5EF31 | 2. Follow the instructions on this page 2) Through a Tor Browser - recommended | 1. Download Tor browser - https://www.torproject.org/ and install it. | 2. Open link in TOR browser - http://lockbitks2tvnmwk.onion/?9B7FDA8D33FEC3F9C4D1CFE696A5EF31 This link only works in Tor Browser! | 3. Follow the instructions on this page ### Attention! ### # lockbit-decryptor.top may be blocked. We recommend using a Tor browser to access the site # 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
URLs

http://lockbit-decryptor.top/?9B7FDA8D33FEC3F9C4D1CFE696A5EF31

http://lockbitks2tvnmwk.onion/?9B7FDA8D33FEC3F9C4D1CFE696A5EF31

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
  • Deletes backup catalog 3 TTPs 1 IoCs

    Uses wbadmin.exe to inhibit system recovery.

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • 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). Likely ransomware behaviour.

  • Checks SCSI registry key(s) 3 TTPs 4 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Interacts with shadow copies 2 TTPs 1 IoCs

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

    ransomware
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f3a8fbd973addb975bd4e9e86772b276ae7cc8bac3c1a0f94cf88f518efd348d.exe
    "C:\Users\Admin\AppData\Local\Temp\f3a8fbd973addb975bd4e9e86772b276ae7cc8bac3c1a0f94cf88f518efd348d.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4668
    • 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:4404
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:4292
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4464
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:3752
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:5024
      • C:\Windows\system32\wbadmin.exe
        wbadmin delete catalog -quiet
        3⤵
        • Deletes backup catalog
        PID:5012
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3812
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1528
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:4800
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:804

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Command-Line Interface

    1
    T1059

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Privilege Escalation

    Defense Evasion

    File Deletion

    3
    T1107

    Modify Registry

    1
    T1112

    Credential Access

    Discovery

    Query Registry

    2
    T1012

    System Information Discovery

    3
    T1082

    Peripheral Device Discovery

    1
    T1120

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Inhibit System Recovery

    4
    T1490

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3752-135-0x0000000000000000-mapping.dmp
      Download
    • memory/4292-133-0x0000000000000000-mapping.dmp
      Download
    • memory/4404-131-0x0000000000000000-mapping.dmp
      Download
    • memory/4464-134-0x0000000000000000-mapping.dmp
      Download
    • memory/4668-130-0x00000000021E0000-0x0000000002206000-memory.dmp
      Filesize

      152KB

      Download
    • memory/4668-132-0x0000000000400000-0x00000000004A7000-memory.dmp
      Filesize

      668KB

      Download
    • memory/5012-137-0x0000000000000000-mapping.dmp
      Download
    • memory/5024-136-0x0000000000000000-mapping.dmp
      Download