Overview

overview

10

Static

static

10

2024-03-25...de.exe

windows7-x64

10

2024-03-25...de.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    146s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/03/2024, 18:36

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General

  • Target
    2024-03-25_8aea470f0839f77fb1b486a71f1dbac3_darkside.exe
  • Size 147KB
  • Sample240325-w84gnsfd95
  • SHA256 3fd67fd98ab346dac313ca1a2d8be8032571628da44e9d09805989e88d2991ba
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
lockbitransomwarespywarestealer

Malware Config

Extracted

Path

  • C:\vLH4n6DOX.README.txt

  • lockbit

Ransom Note
  • ~~~ LockBit 3.0 the world's fastest ransomware since 2019~~~ >>>> Your data are stolen and encrypted The data will be published on TOR website if you do not pay the ransom >>>> What guarantees that we will not deceive you? We are not a politically motivated group and we do not need anything other than your money. If you pay, we will provide you the programs for decryption and we will delete your data. Life is too short to be sad. Be not sad, money, it is only paper. If we do not give you decrypters, or we do not delete your data after payment, then nobody will pay us in the future. Therefore to us our reputation is very important. We attack the companies worldwide and there is no dissatisfied victim after payment. >>>> You need to contact us and decrypt one file free of charge with your personal DECRYPTION ID. Download and install the UTOX application from the website https://utox.org/ Write in chat and wait for a reply, we will always answer you. Sometimes you will have to wait for our reply because we attack many companies. Tox ID LockBitSupp: 797C6D9B45F8CEE3085CCE20D41279AD927D4C6E8BDE2CC540BD4649CB695A14388E74EE56DE >>>> Your personal DECRYPTION ID: 69F2919CB8FB5DE4421430E74087839E >>>> Warning! Do not DELETE or MODIFY any files, it can lead to recovery problems! >>>> Warning! If you do not pay the ransom we will attack your company repeatedly again!
URLs

  • https://utox.org/

Signatures

  • Lockbit

    Ransomware family with multiple variants released since late 2019.

    ransomwarelockbit
  • Renames multiple (613) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in System32 directory 4 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Control Panel 2 IoCs
    evasion
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-03-25_8aea470f0839f77fb1b486a71f1dbac3_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-25_8aea470f0839f77fb1b486a71f1dbac3_darkside.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3412
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:2828
    • C:\ProgramData\78FA.tmp
      "C:\ProgramData\78FA.tmp"
      2⤵
      • Checks computer location settings
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:3480
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\78FA.tmp >> NUL
        3⤵
          PID:1592
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
      1⤵
        PID:3116
      • C:\Windows\system32\printfilterpipelinesvc.exe
        C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
        1⤵
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:2152
        • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
          /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{988ED411-11F1-4D75-8CEE-618E45E2FA64}.xps" 133558653971630000
          2⤵
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious use of SetWindowsHookEx
          PID:3348

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            desktop.ini
            • Path C:\$Recycle.Bin\S-1-5-21-1497073144-2389943819-3385106915-1000\desktop.ini
            • Size 129B
            • SHA256 9922786ffcb3080553e664e18ee9f72723a70cc8c56e7d4fe26a2ca460666ca4
            • MD5 SHA1 SHA512
            Submit Download

            78FA.tmp
            • Path C:\ProgramData\78FA.tmp
            • Size 14KB
            • SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
            • Path C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
            • Size 147KB
            • SHA256 075cfe7cd4f913d2d84e81df1cb38c4ccedc09598afa98466ef310648b73aed3
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            {F71EC52D-5692-4B7D-A20C-EF8D16241CEC}
            • Path C:\Users\Admin\AppData\Local\Temp\{F71EC52D-5692-4B7D-A20C-EF8D16241CEC}
            • Size 4KB
            • SHA256 ca5ccd80e1b1e2c6e05b335c56ed7d7e376728cb96a55a293317e4e5f4bb6939
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            Open Notebook.onetoc2
            • Path C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2
            • Size 4KB
            • SHA256 67dc80fb11f97b761fcea3cd35ee68afe9868f26c4660fb636e7c3979a48b8ae
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            vLH4n6DOX.README.txt
            • Path C:\vLH4n6DOX.README.txt
            • Size 1KB
            • SHA256 e8c88026645077784228b8d4caf5aaf1181938e3e64c7a315d9f29a4b5a6b23d
            • MD5 SHA1 SHA512
            Submit Download

            DDDDDDDDDDD
            • Path F:\$RECYCLE.BIN\S-1-5-21-1497073144-2389943819-3385106915-1000\DDDDDDDDDDD
            • Size 129B
            • SHA256 8c39b5e5e631ed0c11dc8ead557e8788c89df7819b2e267408dcc8726c665017
            • MD5 SHA1 SHA512
            Submit Download

            memory/3348-2822-0x00007FFEE27F0000-0x00007FFEE29E5000-memory.dmp
            Download

            memory/3348-2826-0x00007FFEE27F0000-0x00007FFEE29E5000-memory.dmp
            Download

            memory/3348-2802-0x00007FFEA2870000-0x00007FFEA2880000-memory.dmp
            Download

            memory/3348-2817-0x00007FFEE27F0000-0x00007FFEE29E5000-memory.dmp
            Download

            memory/3348-2816-0x00007FFEA2870000-0x00007FFEA2880000-memory.dmp
            Download

            memory/3348-2819-0x00007FFEA2870000-0x00007FFEA2880000-memory.dmp
            Download

            memory/3348-2820-0x00007FFEE27F0000-0x00007FFEE29E5000-memory.dmp
            Download

            memory/3348-2821-0x00007FFEA2870000-0x00007FFEA2880000-memory.dmp
            Download

            memory/3348-2818-0x00007FFEE27F0000-0x00007FFEE29E5000-memory.dmp
            Download

            memory/3348-2858-0x00007FFEE27F0000-0x00007FFEE29E5000-memory.dmp
            Download

            memory/3348-2824-0x00007FFEA0120000-0x00007FFEA0130000-memory.dmp
            Download

            memory/3348-2823-0x00007FFEE27F0000-0x00007FFEE29E5000-memory.dmp
            Download

            memory/3348-2825-0x00007FFEE27F0000-0x00007FFEE29E5000-memory.dmp
            Download

            memory/3348-2786-0x00007FFEE27F0000-0x00007FFEE29E5000-memory.dmp
            Download

            memory/3348-2827-0x00007FFEA0120000-0x00007FFEA0130000-memory.dmp
            Download

            memory/3348-2828-0x00007FFEE27F0000-0x00007FFEE29E5000-memory.dmp
            Download

            memory/3348-2829-0x00007FFEE27F0000-0x00007FFEE29E5000-memory.dmp
            Download

            memory/3348-2831-0x00007FFEE27F0000-0x00007FFEE29E5000-memory.dmp
            Download

            memory/3348-2830-0x00007FFEE27F0000-0x00007FFEE29E5000-memory.dmp
            Download

            memory/3348-2832-0x00007FFEE27F0000-0x00007FFEE29E5000-memory.dmp
            Download

            memory/3348-2833-0x00007FFEE27F0000-0x00007FFEE29E5000-memory.dmp
            Download

            memory/3348-2834-0x00007FFEE27F0000-0x00007FFEE29E5000-memory.dmp
            Download

            memory/3348-2835-0x00007FFEE27F0000-0x00007FFEE29E5000-memory.dmp
            Download

            memory/3348-2785-0x00007FFEA2870000-0x00007FFEA2880000-memory.dmp
            Download

            memory/3348-2857-0x00007FFEE27F0000-0x00007FFEE29E5000-memory.dmp
            Download

            memory/3412-1-0x0000000002990000-0x00000000029A0000-memory.dmp
            Download

            memory/3412-0-0x0000000002990000-0x00000000029A0000-memory.dmp
            Download