Overview

overview

10

Static

static

9

6edbd520e2...52.exe

windows7_x64

10

6edbd520e2...52.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    4294221s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20220310-en
  • submitted
    16-03-2022 07:43

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General

  • Target

    6edbd520e23625af5f8074103ccbb1c27d3919d2f40fc202bdae8b1e71397852.exe

  • Size

    627KB

  • MD5

    1234951c81c9f0950d7ebccf5c0da425

  • SHA1

    c51df34b23cc7bfdf58ebdc21df84deab9688f8d

  • SHA256

    6edbd520e23625af5f8074103ccbb1c27d3919d2f40fc202bdae8b1e71397852

  • SHA512

    e69fa50b6ff651c2bb916e715e5100946c0be58e78e5867a56345383d0128b25da7a81d8dfa97aef7961f6e2ec1e74b4af903f4b10671face36f3c9cfaf50236

Score
10/10
lockbitpersistenceransomware

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/?9B7FDA8D33FEC3F9B9F589BED020CFC6 | 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/?9B7FDA8D33FEC3F9B9F589BED020CFC6 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/?9B7FDA8D33FEC3F9B9F589BED020CFC6

http://lockbitks2tvnmwk.onion/?9B7FDA8D33FEC3F9B9F589BED020CFC6

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
  • 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.

  • Interacts with shadow copies 2 TTPs 1 IoCs

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

    ransomware
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6edbd520e23625af5f8074103ccbb1c27d3919d2f40fc202bdae8b1e71397852.exe
    "C:\Users\Admin\AppData\Local\Temp\6edbd520e23625af5f8074103ccbb1c27d3919d2f40fc202bdae8b1e71397852.exe"
    1⤵
    • 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:1828
    • 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:1988
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:1320
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1568

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

File Deletion

2
T1107

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2
T1490

Replay Monitor

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Downloads

  • memory/1828-54-0x0000000000220000-0x0000000000246000-memory.dmp
    Filesize

    152KB

    Download
  • memory/1828-55-0x00000000759C1000-0x00000000759C3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1828-56-0x0000000000400000-0x00000000004A7000-memory.dmp
    Filesize

    668KB

    Download