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

Analysis

  • max time kernel
    148s
  • max time network
    156s
  • 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
    00260c390ffab5734208a7199df0e4229a76261c3f5b7264c4515acb8eb9c2f8.exe
  • Size 862KB
  • Sample240318-ky38dadf6s
  • SHA256 00260c390ffab5734208a7199df0e4229a76261c3f5b7264c4515acb8eb9c2f8
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
lockbitdiscoverypersistenceransomware

Malware Config

Extracted

Path

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

Ransom Note
  • LockBit 2.0 Ransomware Your data are stolen and encrypted The data will be published on TOR website http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion and https://bigblog.at if you do not pay the ransom You can contact us and decrypt one file for free on these TOR sites http://lockbitsup4yezcd5enk5unncx3zcy7kw6wllyqmiyhvanjj352jayid.onion http://lockbitsap2oaqhcun3syvbqt6n5nzt7fqosc6jdlmsfleu3ka4k2did.onion OR https://decoding.at Decryption ID: 172375D30BE340B4F5CEEAA98AFA45E1
URLs

  • http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion

  • https://bigblog.at

  • http://lockbitsup4yezcd5enk5unncx3zcy7kw6wllyqmiyhvanjj352jayid.onion

  • http://lockbitsap2oaqhcun3syvbqt6n5nzt7fqosc6jdlmsfleu3ka4k2did.onion

  • https://decoding.at

Extracted

Path

  • C:\Users\Admin\Desktop\LockBit_Ransomware.hta

Ransom Note
  • Any attempts to restore your files with the thrid-party software will be fatal for your files! To recovery your data and not to allow data leakage, it is possible only through purchase of a private key from us There is only one way to get your files back: Through a standard browser Brave (supports Tor links) FireFox Chrome Edge Opera Open link - https://decoding.at/ Through a Tor Browser - recommended Download Tor Browser - https://www.torproject.org/ and install it. Open one of links in Tor browser and follow instructions on these pages: http://lockbitsap2oaqhcun3syvbqt6n5nzt7fqosc6jdlmsfleu3ka4k2did.onion/or mirrorhttp://lockbitsup4yezcd5enk5unncx3zcy7kw6wllyqmiyhvanjj352jayid.onion/These links work only in the Tor browser! Follow the instructions on this page https://decoding.at may be blocked. We recommend using a Tor browser (or Brave) to access the TOR 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 All your stolen important data will be loaded into our blog if you do not pay ransom. Our blog http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion or https://bigblog.at where you can see data of the companies which refused to pay ransom.
URLs

  • https://decoding.at/

  • http://lockbitsap2oaqhcun3syvbqt6n5nzt7fqosc6jdlmsfleu3ka4k2did.onion/or

  • https://decoding.at

  • http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion

  • https://bigblog.at

Signatures

  • Lockbit

    Ransomware family with multiple variants released since late 2019.

    ransomwarelockbit
  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

    discovery
  • 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
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 18 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
  • Modifies Control Panel 2 IoCs
    evasion
  • Modifies registry class 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\00260c390ffab5734208a7199df0e4229a76261c3f5b7264c4515acb8eb9c2f8.exe
    "C:\Users\Admin\AppData\Local\Temp\00260c390ffab5734208a7199df0e4229a76261c3f5b7264c4515acb8eb9c2f8.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Program Files directory
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:448
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\LockBit_Ransomware.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
      2⤵
        PID:4876
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 808
          3⤵
          • Program crash
          PID:4380
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
      1⤵
        PID:4860
      • C:\Windows\system32\printfilterpipelinesvc.exe
        C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
        1⤵
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:2392
        • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
          /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{A95479E1-C271-441E-8C69-462AF44F137D}.xps" 133552262026240000
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3796
          • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeC2RClient.exe
            OfficeC2RClient.exe /error PID=3796 ProcessName="Microsoft OneNote" UIType=3 ErrorSource=0x8b10082a ErrorCode=0x80004005 ShowUI=1
            3⤵
            • Process spawned unexpected child process
            • Suspicious use of SetWindowsHookEx
            PID:3060
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4876 -ip 4876
        1⤵
          PID:3808

        Network

              MITRE ATT&CK Enterprise v15

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              Downloads

              Restore-My-Files.txt
              • Path C:\Program Files\dotnet\Restore-My-Files.txt
              • Size 512B
              • SHA256 97de506a6d5327a28a0c92bc99d53f7f90ac8b044322d1aba8a515b258cc9f9f
              • MD5 SHA1 SHA512
              Submit Download

              LockBit_Ransomware.hta
              • Path C:\Users\Admin\Desktop\LockBit_Ransomware.hta
              • Size 46KB
              • SHA256 90f3a33919fdd766e90fd96f8f20a92c2d1376b7cfdc8b738c2f8e7e6c7498b1
              • MD5 SHA1 SHA512 SSDEEP
              Submit Download