Overview

overview

10

Static

static

23c44d16bd...0b.exe

windows7_x64

10

23c44d16bd...0b.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    184s
  • max time network
    196s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    09-05-2022 00:30

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General

  • Target

    23c44d16bda85b39985a20749cb6a3b997d2ea3fd41b38beff2918458a86de0b.exe

  • Size

    2.3MB

  • MD5

    8ec9406a3cd9df4fa81bf0b881d658bc

  • SHA1

    dc105db20ff05bb49571ce13e02a22e819f08614

  • SHA256

    23c44d16bda85b39985a20749cb6a3b997d2ea3fd41b38beff2918458a86de0b

  • SHA512

    f2be631d6e26dc15059dc353c83bd3d7708617a605fdbcaccbeddf9a60c263e43d83f371aa8502d8597cc9d98a505afe1cac88961b4a166194c724bf05138940

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/?8CF3E3C381B4E3E2C3E99C5CAB5B114F | 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/?8CF3E3C381B4E3E2C3E99C5CAB5B114F 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/?8CF3E3C381B4E3E2C3E99C5CAB5B114F

http://lockbitks2tvnmwk.onion/?8CF3E3C381B4E3E2C3E99C5CAB5B114F

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\23c44d16bda85b39985a20749cb6a3b997d2ea3fd41b38beff2918458a86de0b.exe
    "C:\Users\Admin\AppData\Local\Temp\23c44d16bda85b39985a20749cb6a3b997d2ea3fd41b38beff2918458a86de0b.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:4372
    • 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:4332
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:1248
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4764
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:1084
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:5064
      • C:\Windows\system32\wbadmin.exe
        wbadmin delete catalog -quiet
        3⤵
        • Deletes backup catalog
        PID:1736
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2000
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:792
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:3380
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4776

    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/1084-135-0x0000000000000000-mapping.dmp
      Download
    • memory/1248-133-0x0000000000000000-mapping.dmp
      Download
    • memory/1736-137-0x0000000000000000-mapping.dmp
      Download
    • memory/4332-132-0x0000000000000000-mapping.dmp
      Download
    • memory/4372-130-0x0000000002390000-0x00000000023B6000-memory.dmp
      Filesize

      152KB

      Download
    • memory/4372-131-0x0000000000400000-0x0000000000659000-memory.dmp
      Filesize

      2.3MB

      Download
    • memory/4764-134-0x0000000000000000-mapping.dmp
      Download
    • memory/5064-136-0x0000000000000000-mapping.dmp
      Download