Overview

overview

10

Static

static

10

00260c390f...f8.exe

windows7-x64

10

00260c390f...f8.exe

windows10-2004-x64

10

01bf78841b...16.exe

windows7-x64

9

01bf78841b...16.exe

windows10-2004-x64

9

0545f842ca...49.exe

windows7-x64

10

0545f842ca...49.exe

windows10-2004-x64

10

068ca3e92c...fd.exe

windows7-x64

10

068ca3e92c...fd.exe

windows10-2004-x64

10

0b856337d9...c9.exe

windows7-x64

10

0b856337d9...c9.exe

windows10-2004-x64

10

0d38f8bf83...09.exe

windows7-x64

10

0d38f8bf83...09.exe

windows10-2004-x64

10

0e35a681fc...5e.exe

windows7-x64

10

0e35a681fc...5e.exe

windows10-2004-x64

10

0f178bc093...35.exe

windows7-x64

10

0f178bc093...35.exe

windows10-2004-x64

10

10306702a1...dd.dll

windows7-x64

10

10306702a1...dd.dll

windows10-2004-x64

10

160c972897...21.exe

windows7-x64

10

160c972897...21.exe

windows10-2004-x64

10

19f7d53c4a...a0.exe

windows7-x64

10

19f7d53c4a...a0.exe

windows10-2004-x64

10

1b109db549...18.exe

windows7-x64

10

1b109db549...18.exe

windows10-2004-x64

10

1e10e08cda...18.dll

windows7-x64

10

1e10e08cda...18.dll

windows10-2004-x64

10

1eb0b48ca7...1d.dll

windows7-x64

1

1eb0b48ca7...1d.dll

windows10-2004-x64

1

1f0e4cbc1a...7d.exe

windows7-x64

10

1f0e4cbc1a...7d.exe

windows10-2004-x64

10

239c9969fd...90.exe

windows7-x64

10

239c9969fd...90.exe

windows10-2004-x64

10

Resubmissions

20-03-2024 09:55

240320-lxzn8sdh94 10

20-03-2024 09:53

240320-lwzb3sef3x 10

18-03-2024 09:01

240318-ky38dadf6s 10

Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-03-2024 09:01

Sharing

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General

  • Target

    1b109db549dd0bf64cadafec575b5895690760c7180a4edbf0c5296766162f18.exe

  • Size

    150KB

  • MD5

    1f4f6abfced4c347ba951a04c8d86982

  • SHA1

    a4c486b0926f55e99d12f749135612602cc4bf64

  • SHA256

    1b109db549dd0bf64cadafec575b5895690760c7180a4edbf0c5296766162f18

  • SHA512

    ae9d631a193d04194bcb54ccf5573730c04b2d9d732addf04af2100e7d67584a3cfba67cfaa2a9da05099d71c56dd58cfdb9f58d070b72ae58d0add20cf0afd3

  • SSDEEP

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

Score
10/10
lockbitevasionpersistenceransomware

Malware Config

Extracted

Path

C:\Program Files\dotnet\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/?F51E3D94FA5D7445B44D200B24E2BBF3 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/?F51E3D94FA5D7445B44D200B24E2BBF3

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 (6396) 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
  • 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 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).

  • 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
  • Modifies Control Panel 2 IoCs
    evasion
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of WriteProcessMemory 21 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\1b109db549dd0bf64cadafec575b5895690760c7180a4edbf0c5296766162f18.exe
    "C:\Users\Admin\AppData\Local\Temp\1b109db549dd0bf64cadafec575b5895690760c7180a4edbf0c5296766162f18.exe"
    1⤵
    • Checks computer location settings
    • 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:1768
    • 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:2664
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:3552
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3568
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2200
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:4596
      • C:\Windows\system32\wbadmin.exe
        wbadmin delete catalog -quiet
        3⤵
        • Deletes backup catalog
        PID:4972
    • 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\1b109db549dd0bf64cadafec575b5895690760c7180a4edbf0c5296766162f18.exe" & Del /f /q "C:\Users\Admin\AppData\Local\Temp\1b109db549dd0bf64cadafec575b5895690760c7180a4edbf0c5296766162f18.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5636
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.7 -n 3
        3⤵
        • Runs ping.exe
        PID:5736
      • C:\Windows\SysWOW64\fsutil.exe
        fsutil file setZeroData offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\1b109db549dd0bf64cadafec575b5895690760c7180a4edbf0c5296766162f18.exe"
        3⤵
          PID:4716
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4300
    • C:\Windows\system32\wbengine.exe
      "C:\Windows\system32\wbengine.exe"
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1524
    • C:\Windows\System32\vdsldr.exe
      C:\Windows\System32\vdsldr.exe -Embedding
      1⤵
        PID:2196
      • C:\Windows\System32\vds.exe
        C:\Windows\System32\vds.exe
        1⤵
        • Checks SCSI registry key(s)
        PID:3296

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files\dotnet\Restore-My-Files.txt
        Filesize

        1KB

        MD5

        e3184712fb95c8aa9c57be0bd741f929

        SHA1

        f3ac92b57c9fdc6b4862635fd935430df8b60510

        SHA256

        b7bcfb8bb119388b3fc5340d8d66f73f80899c9802932bdd8ed3a56447591149

        SHA512

        44e0a1d1aa5aec27b29bf9307271ff3a57406891ea0b91c7979b9a7f4d1c72453d2d4291dbe68e9afd81c11ec5786c4cd9eb52006bb12954c81e3853aa609f9b

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