Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    29/04/2024, 21:59

General

  • Target
    bfa1a2bd23754277ee1f31e80c92d9c5309f150083451bfc33bbeb604adec8f6.exe
  • Size 512KB
  • Sample240429-1wdspsce49
  • SHA256 bfa1a2bd23754277ee1f31e80c92d9c5309f150083451bfc33bbeb604adec8f6
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Path
  • C:\Uc2RrigQ4.README.txt

Ransom Note
  • ~~~ Ikaruz Red Team the world's Simple Ransomware Since 2019~~~ >>>> Your data are stolen and encrypted The data will be published on TOR website if you do not pay the ransom Links for Tor Browser: http://lockbitapt2yfbt7lchxejug47kmqvqqxvvjpqkmevv4l3azl3gy6pyd.onion http://lockbitapt5x4zkjbcqmz6frdhecqqgadevyiwqxukksspnlidyvd7qd.onion http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion http://lockbitapt34kvrip6xojylohhxrwsvpzdffgs5z4pbbsywnzsbdguqd.onion http://lockbitaptc2iq4atewz2ise62q63wfktyrl4qtwuk5qax262kgtzjqd.onion http://lockbitaptjpikdqjynvgozhgc6bgetgucdk5xjacozeaawihmoio6yd.onion http://lockbitaptq7ephv2oigdncfhtwhpqgwmqojnxqdyhprxxfpcllqdxad.onion http://lockbitaptstzf3er2lz6ku3xuifafq2yh5lmiqj5ncur6rtlmkteiqd.onion http://lockbitaptoofrpignlz6dt2wqqc5z3a4evjevoa3eqdfcntxad5lmyd.onion Links for the normal browser http://lockbitapt.uz http://lockbitapt2yfbt7lchxejug47kmqvqqxvvjpqkmevv4l3azl3gy6pyd.onion.ly http://lockbitapt5x4zkjbcqmz6frdhecqqgadevyiwqxukksspnlidyvd7qd.onion.ly http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion.ly http://lockbitapt34kvrip6xojylohhxrwsvpzdffgs5z4pbbsywnzsbdguqd.onion.ly http://lockbitaptc2iq4atewz2ise62q63wfktyrl4qtwuk5qax262kgtzjqd.onion.ly http://lockbitaptjpikdqjynvgozhgc6bgetgucdk5xjacozeaawihmoio6yd.onion.ly http://lockbitaptq7ephv2oigdncfhtwhpqgwmqojnxqdyhprxxfpcllqdxad.onion.ly http://lockbitaptstzf3er2lz6ku3xuifafq2yh5lmiqj5ncur6rtlmkteiqd.onion.ly http://lockbitaptoofrpignlz6dt2wqqc5z3a4evjevoa3eqdfcntxad5lmyd.onion.ly >>>> 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 can obtain information about us on twitter https://twitter.com/hashtag/lockbit?f=live >>>> You need contact us and decrypt one file for free on these TOR sites with your personal DECRYPTION ID Download and install TOR Browser https://www.torproject.org/ Write to a chat and wait for the answer, we will always answer you. Sometimes you will need to wait for our answer because we attack many companies. Links for Tor Browser: http://lockbitsupt7nr3fa6e7xyb73lk6bw6rcneqhoyblniiabj4uwvzapqd.onion http://lockbitsupuhswh4izvoucoxsbnotkmgq6durg7kficg6u33zfvq3oyd.onion http://lockbitsupn2h6be2cnqpvncyhj4rgmnwn44633hnzzmtxdvjoqlp7yd.onion Link for the normal browser http://lockbitsupp.uz If you do not get an answer in the chat room for a long time, the site does not work and in any other emergency, you can contact us in jabber or tox. Tox ID LockBitSupp: 3085B89A0C515D2FB124D645906F5D3DA5CB97CEBEA975959AE4F95302A04E1D709C3C4AE9B7 XMPP (Jabber) Support: [email protected] [email protected] >>>> Your personal DECRYPTION ID: DD569E4494EC647A74230BF6F58F2D7A >>>> 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! >>>> Advertisement Would you like to earn millions of dollars $$$ ? Our company acquire access to networks of various companies, as well as insider information that can help you steal the most valuable data of any company. You can provide us accounting data for the access to any company, for example, login and password to RDP, VPN, corporate email, etc. Open our letter at your email. Launch the provided virus on any computer in your company. You can do it both using your work computer or the computer of any other employee in order to divert suspicion of being in collusion with us. Companies pay us the foreclosure for the decryption of files and prevention of data leak. You can contact us using Tox messenger without registration and SMS https://tox.chat/download.html. Using Tox messenger, we will never know your real name, it means your privacy is guaranteed. If you want to contact us, write in jabber or tox. Tox ID LockBitSupp: 3085B89A0C515D2FB124D645906F5D3DA5CB97CEBEA975959AE4F95302A04E1D709C3C4AE9B7 XMPP (Jabber) Support: [email protected] [email protected] If this contact is expired, and we do not respond you, look for the relevant contact data on our website via Tor or Brave browser Links for Tor Browser: http://lockbitapt2yfbt7lchxejug47kmqvqqxvvjpqkmevv4l3azl3gy6pyd.onion http://lockbitapt5x4zkjbcqmz6frdhecqqgadevyiwqxukksspnlidyvd7qd.onion http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion http://lockbitapt34kvrip6xojylohhxrwsvpzdffgs5z4pbbsywnzsbdguqd.onion http://lockbitaptc2iq4atewz2ise62q63wfktyrl4qtwuk5qax262kgtzjqd.onion http://lockbitaptjpikdqjynvgozhgc6bgetgucdk5xjacozeaawihmoio6yd.onion http://lockbitaptq7ephv2oigdncfhtwhpqgwmqojnxqdyhprxxfpcllqdxad.onion http://lockbitaptstzf3er2lz6ku3xuifafq2yh5lmiqj5ncur6rtlmkteiqd.onion http://lockbitaptoofrpignlz6dt2wqqc5z3a4evjevoa3eqdfcntxad5lmyd.onion Links for the normal browser http://lockbitapt.uz http://lockbitapt2yfbt7lchxejug47kmqvqqxvvjpqkmevv4l3azl3gy6pyd.onion.ly http://lockbitapt5x4zkjbcqmz6frdhecqqgadevyiwqxukksspnlidyvd7qd.onion.ly http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion.ly http://lockbitapt34kvrip6xojylohhxrwsvpzdffgs5z4pbbsywnzsbdguqd.onion.ly http://lockbitaptc2iq4atewz2ise62q63wfktyrl4qtwuk5qax262kgtzjqd.onion.ly http://lockbitaptjpikdqjynvgozhgc6bgetgucdk5xjacozeaawihmoio6yd.onion.ly http://lockbitaptq7ephv2oigdncfhtwhpqgwmqojnxqdyhprxxfpcllqdxad.onion.ly http://lockbitaptstzf3er2lz6ku3xuifafq2yh5lmiqj5ncur6rtlmkteiqd.onion.ly http://lockbitaptoofrpignlz6dt2wqqc5z3a4evjevoa3eqdfcntxad5lmyd.onion.ly
URLs
  • http://lockbitapt2yfbt7lchxejug47kmqvqqxvvjpqkmevv4l3azl3gy6pyd.onion

  • http://lockbitapt5x4zkjbcqmz6frdhecqqgadevyiwqxukksspnlidyvd7qd.onion

  • http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion

  • http://lockbitapt34kvrip6xojylohhxrwsvpzdffgs5z4pbbsywnzsbdguqd.onion

  • http://lockbitaptc2iq4atewz2ise62q63wfktyrl4qtwuk5qax262kgtzjqd.onion

  • http://lockbitaptjpikdqjynvgozhgc6bgetgucdk5xjacozeaawihmoio6yd.onion

  • http://lockbitaptq7ephv2oigdncfhtwhpqgwmqojnxqdyhprxxfpcllqdxad.onion

  • http://lockbitaptstzf3er2lz6ku3xuifafq2yh5lmiqj5ncur6rtlmkteiqd.onion

  • http://lockbitaptoofrpignlz6dt2wqqc5z3a4evjevoa3eqdfcntxad5lmyd.onion

  • http://lockbitapt.uz

  • http://lockbitapt2yfbt7lchxejug47kmqvqqxvvjpqkmevv4l3azl3gy6pyd.onion.ly

  • http://lockbitapt5x4zkjbcqmz6frdhecqqgadevyiwqxukksspnlidyvd7qd.onion.ly

  • http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion.ly

  • http://lockbitapt34kvrip6xojylohhxrwsvpzdffgs5z4pbbsywnzsbdguqd.onion.ly

  • http://lockbitaptc2iq4atewz2ise62q63wfktyrl4qtwuk5qax262kgtzjqd.onion.ly

  • http://lockbitaptjpikdqjynvgozhgc6bgetgucdk5xjacozeaawihmoio6yd.onion.ly

  • http://lockbitaptq7ephv2oigdncfhtwhpqgwmqojnxqdyhprxxfpcllqdxad.onion.ly

  • http://lockbitaptstzf3er2lz6ku3xuifafq2yh5lmiqj5ncur6rtlmkteiqd.onion.ly

  • http://lockbitaptoofrpignlz6dt2wqqc5z3a4evjevoa3eqdfcntxad5lmyd.onion.ly

  • https://twitter.com/hashtag/lockbit?f=live

Signatures

  • Lockbit

    Ransomware family with multiple variants released since late 2019.

  • Rule to detect Lockbit 3.0 ransomware Windows payload 1 IoCs
  • Renames multiple (289) files with added filename extension

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

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

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

  • Modifies Control Panel 2 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bfa1a2bd23754277ee1f31e80c92d9c5309f150083451bfc33bbeb604adec8f6.exe
    "C:\Users\Admin\AppData\Local\Temp\bfa1a2bd23754277ee1f31e80c92d9c5309f150083451bfc33bbeb604adec8f6.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1936
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\lb3.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\lb3.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • 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:1916
      • C:\ProgramData\1FA1.tmp
        "C:\ProgramData\1FA1.tmp"
        3⤵
        • Executes dropped EXE
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of WriteProcessMemory
        PID:948
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\1FA1.tmp >> NUL
          4⤵
            PID:1464
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x148
      1⤵
        PID:1960

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            CCCCCCCCCCC

            • Path C:\$Recycle.Bin\S-1-5-21-3627615824-4061627003-3019543961-1000\CCCCCCCCCCC
            • Size 129B
            • SHA256 1b34b8a6beb201cd73468ba988bc7586acc183ca56348b0d68a6becb0da6188c
            • MD5 SHA1 SHA512

            Uc2RrigQ4.README.txt

            • Path C:\Uc2RrigQ4.README.txt
            • Size 6KB
            • SHA256 10f7632622828aef9f1ad128be906d55a9f8f4e220a214578a479add4546e3f2
            • MD5 SHA1 SHA512 SSDEEP

            lb3.exe

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\lb3.exe
            • Size 153KB
            • SHA256 446a17513a595eed37463d257a8ecab45f9dddad4e4bc61d0808e047e025a6dd
            • MD5 SHA1 SHA512 SSDEEP

            DDDDDDDDDDD

            • Path F:\$RECYCLE.BIN\S-1-5-21-3627615824-4061627003-3019543961-1000\DDDDDDDDDDD
            • Size 129B
            • SHA256 e8b5da8c41e610d9d3931f7e7537adb18634ff3e53b334271cbb87ceacf998a0
            • MD5 SHA1 SHA512

            1FA1.tmp

            • Path \ProgramData\1FA1.tmp
            • Size 14KB
            • SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
            • MD5 SHA1 SHA512 SSDEEP

            lb3.exe

            • Path \Users\Admin\AppData\Local\Temp\RarSFX0\lb3.exe
            • Size 153KB
            • SHA256 c9dd51d4295c33e1df0d275669a1de9e1de374a51eb88d7f7b1a1e65f49f7794
            • MD5 SHA1 SHA512 SSDEEP

            memory/948-818-0x000000007EF80000-0x000000007EF81000-memory.dmp

            memory/948-817-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

            memory/948-848-0x000000007EF60000-0x000000007EF61000-memory.dmp

            memory/1916-18-0x0000000002000000-0x0000000002040000-memory.dmp