Analysis

  • max time kernel
    67s
  • max time network
    24s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2024 18:04

General

  • Target

    LockBit-Black-Builder-main/LockBit30/Build/LB3.exe

  • Size

    153KB

  • MD5

    c73eac0c837c3c5caca3a885f46c17d9

  • SHA1

    a0ca9511b40c9c2451986ce179016ec4014e9adb

  • SHA256

    e609bf8406b61613f3e605d277cf445059974a4c71c3edd09fffae86a3c5dbfe

  • SHA512

    157c92e561cd18876ab60faf8a3d8e62633e7750accb965e86f3202b0d5ff902d3ae51fb41592d9be22672e67a713291e469a09be57e6f77dd6343090324792a

  • SSDEEP

    3072:xqJogYkcSNm9V7D2YRLCm8ZdqVAxrMismEm8T:xq2kc4m9tDlhLqb

Malware Config

Extracted

Path

C:\ZImkTWSLZ.README.txt

Family

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 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: 21EFEFD3564BFFCFC7E1293196725791 >>>> 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.

  • Lockbit family
  • Renames multiple (371) files with added filename extension

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Drops desktop.ini file(s) 2 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Control Panel 2 IoCs
  • Modifies registry class 5 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exe
    "C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exe"
    1⤵
    • Loads dropped DLL
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2540
    • C:\ProgramData\FD62.tmp
      "C:\ProgramData\FD62.tmp"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:2376
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\FD62.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3064
  • C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\ZImkTWSLZ.README.txt
    1⤵
    • Opens file in notepad (likely ransom note)
    PID:1848
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x148
    1⤵
      PID:1572

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\$Recycle.Bin\S-1-5-21-2703099537-420551529-3771253338-1000\AAAAAAAAAAA

      Filesize

      129B

      MD5

      a8fbec7e796cacec3a19874d870b261b

      SHA1

      8261454843f956ffc1ce9140803d7e7ac82ff10e

      SHA256

      0a74422de43f63d48af81de81802be749fbc7537915d8124d7fbf7f6d2da0e81

      SHA512

      fcc500559ee41437e21008eae812c1895ab7f40d52e641219ba2df3ff4699a9fa08ad3c806f0f2d5d40204c01a056f1e9e08e82bbd038b5ce1c9c75fb3ac09af

    • C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\DDDDDDD

      Filesize

      153KB

      MD5

      594bc8cbc0e6b6fb2e4742af8f30b5a3

      SHA1

      81265187ccbf9bb158d32b225d17025a49ea7dd2

      SHA256

      faedd3f78a67ca685a18e26f3c38d07d6b52e159107baa7dc7afae6733794f04

      SHA512

      0f39ffac94813d9ab6496b4c309fad4fd6c036f770b4140072db593258997f246798ace3ac4c61beffb9c3271157da4e006d8588222ce384026f4cd27c531aef

    • C:\ZImkTWSLZ.README.txt

      Filesize

      6KB

      MD5

      c99286949a888ffaf1ece9528ace6980

      SHA1

      65352b807fbdb745271347bf8fb839513a98beb6

      SHA256

      2c31a092980065973477e7101de9b7a63cc130c270c1c0c9087f2675a85620f6

      SHA512

      83fe7297520b78d3cd862f6a3f4f0565eac479a74218af712a66db7c1d0c10d2d85fe79df66eac3187cb6f256d088c0a68a96f8193a2c2c168e49d3326970321

    • F:\$RECYCLE.BIN\S-1-5-21-2703099537-420551529-3771253338-1000\EEEEEEEEEEE

      Filesize

      129B

      MD5

      75ddc3a6acb1865c4c1a5c4b9a674ed6

      SHA1

      a16597aaca37c505bd2e089899fc8b0bfbf04432

      SHA256

      63331b45ef44d64b9e311277d32a1265d58fc207794e72e88cec4c50e00995a2

      SHA512

      09fe02ff2be64d0281ccbd840c747b974dd1902160f029bd0bc6de6cbd432a6dcf7a93ea8b3e32100329ac83d5be00f4990c2b8e89cc59385f82889a18d8e6cf

    • \ProgramData\FD62.tmp

      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

    • memory/2376-908-0x00000000004E0000-0x0000000000520000-memory.dmp

      Filesize

      256KB

    • memory/2376-907-0x000000007EF20000-0x000000007EF21000-memory.dmp

      Filesize

      4KB

    • memory/2376-906-0x00000000004E0000-0x0000000000520000-memory.dmp

      Filesize

      256KB

    • memory/2376-904-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

      Filesize

      4KB

    • memory/2376-909-0x000000007EF80000-0x000000007EF81000-memory.dmp

      Filesize

      4KB

    • memory/2376-939-0x000000007EF60000-0x000000007EF61000-memory.dmp

      Filesize

      4KB

    • memory/2376-938-0x000000007EF40000-0x000000007EF41000-memory.dmp

      Filesize

      4KB

    • memory/2540-0-0x0000000000210000-0x0000000000250000-memory.dmp

      Filesize

      256KB