Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    14-03-2024 04:09

General

  • Target

    3766cc743fed6fdb2d9f7822f85e5b9bbafcbdccc25a1fe608bff12699849580.exe

  • Size

    150KB

  • MD5

    1e60573f1429ea1939140c1d54c14ce3

  • SHA1

    58a4a779580ac004c938c95f3fc365f30235a480

  • SHA256

    3766cc743fed6fdb2d9f7822f85e5b9bbafcbdccc25a1fe608bff12699849580

  • SHA512

    8aabe669a80c4072a4b8e0bd21e758728809c58f1ff74c2436976a6266d1145c61118234997d5be03d3f8c4c7578533ece3c33620302d7d1674e2f3772495189

  • SSDEEP

    1536:lzICS4AAwczUUf8y8gvMH+1zGSNAojMP95D1xDGv0oRYYwVwMYNkBjLhTfWJbnv8:mqJogYkcSNm9V7DGvxxwSf8i+2v3O/T

Malware Config

Extracted

Path

C:\wkyNXZoXP.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 Links for the normal browser http://lockbitapt.uz >>>> 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: 25516ED9EB2BDF2DE55B1446069188F5 >>>> 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
URLs

http://lockbitapt2yfbt7lchxejug47kmqvqqxvvjpqkmevv4l3azl3gy6pyd.onion

http://lockbitapt.uz

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

http://lockbitsupt7nr3fa6e7xyb73lk6bw6rcneqhoyblniiabj4uwvzapqd.onion

http://lockbitsupuhswh4izvoucoxsbnotkmgq6durg7kficg6u33zfvq3oyd.onion

http://lockbitsupn2h6be2cnqpvncyhj4rgmnwn44633hnzzmtxdvjoqlp7yd.onion

http://lockbitsupp.uz

https://tox.chat/download.html

http://lockbitapt5x4zkjbcqmz6frdhecqqgadevyiwqxukksspnlidyvd7qd.onion

http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion

http://lockbitapt34kvrip6xojylohhxrwsvpzdffgs5z4pbbsywnzsbdguqd.onion

http://lockbitaptc2iq4atewz2ise62q63wfktyrl4qtwuk5qax262kgtzjqd.onion

http://lockbitaptjpikdqjynvgozhgc6bgetgucdk5xjacozeaawihmoio6yd.onion

http://lockbitaptq7ephv2oigdncfhtwhpqgwmqojnxqdyhprxxfpcllqdxad.onion

http://lockbitaptstzf3er2lz6ku3xuifafq2yh5lmiqj5ncur6rtlmkteiqd.onion

Signatures

  • Lockbit

    Ransomware family with multiple variants released since late 2019.

  • Renames multiple (367) 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 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
  • Modifies Control Panel 2 IoCs
  • Modifies registry class 5 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\3766cc743fed6fdb2d9f7822f85e5b9bbafcbdccc25a1fe608bff12699849580.exe
    "C:\Users\Admin\AppData\Local\Temp\3766cc743fed6fdb2d9f7822f85e5b9bbafcbdccc25a1fe608bff12699849580.exe"
    1⤵
    • 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:2260
    • C:\ProgramData\3E29.tmp
      "C:\ProgramData\3E29.tmp"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:2912
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\3E29.tmp >> NUL
        3⤵
          PID:1984
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x14c
      1⤵
        PID:2524

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\$Recycle.Bin\S-1-5-21-2721934792-624042501-2768869379-1000\BBBBBBBBBBB

        Filesize

        129B

        MD5

        f5cc7ce9ceaf9846a93386fef0fc3f0c

        SHA1

        9f47a4635f3a8c74908207195a68b4349f69b715

        SHA256

        1fc1c25a27e6c5cc1059139c3067091f682ac4c62478a2e5b126e1b1badc547a

        SHA512

        e477f687e2b857ee3ccc2c0a8293fc5b278e91bd6a9e354393fe8f9f19d59605ad37695cf668365861110770739a7041660c4d7b8da5d4a1d9e40b6a9a052946

      • C:\Users\Admin\AppData\Local\Temp\BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB

        Filesize

        150KB

        MD5

        3051f6766866877e621b6f1d6b9edaa5

        SHA1

        d20f50a3d42f187ef0a5b977d1a6a3896df5e5e7

        SHA256

        7e54e843bcecfab476bba103309cee041816c371f22d0214ec7d8bb87082a732

        SHA512

        26e8223e402f10ca8ddca013d5df48115d79ba1c56423ea62795e488d98047f3b75bd17d86c77c3f702463163bada6f3d27a6205d9c0ed94685c4b10a12384a8

      • C:\wkyNXZoXP.README.txt

        Filesize

        3KB

        MD5

        e86025b0b98e352f191ae26f166a6008

        SHA1

        a40d1ad411862e30f085a145bcf2ed5dedb83f12

        SHA256

        b577f2812c6db0bd8e448bdfb904ff8a265f51d37f3fdd67216eaeb77d9561ff

        SHA512

        9a9ca28d55f2437af359908ca26b21fb701801a32f24494b8d29c0c3d04611ddd10deb7a3415e31727d5466b303691b59e6ff0928670bf1a7f4a4281ffc060bc

      • F:\$RECYCLE.BIN\S-1-5-21-2721934792-624042501-2768869379-1000\DDDDDDDDDDD

        Filesize

        129B

        MD5

        633e612e5e3fb76cd20e623e6ffa30c8

        SHA1

        3f277eec721fc8f45033e9021a3d3e7bc9964432

        SHA256

        21fdc07481aab4405f0f7626fd5efb35542480ebe4a79df65a64e16d6ce48876

        SHA512

        ac94ee147c63dc3f12bb59409ca67a71667a8b176d06698f733a31bf5c22f54edbfd18fb668054aa7bff6d5e26c465d80cff6d4fe1e4b4831fa937507faa14eb

      • \ProgramData\3E29.tmp

        Filesize

        14KB

        MD5

        294e9f64cb1642dd89229fff0592856b

        SHA1

        97b148c27f3da29ba7b18d6aee8a0db9102f47c9

        SHA256

        917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

        SHA512

        b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      • memory/2260-0-0x0000000002260000-0x00000000022A0000-memory.dmp

        Filesize

        256KB

      • memory/2912-894-0x00000000022D0000-0x0000000002310000-memory.dmp

        Filesize

        256KB

      • memory/2912-895-0x000000007EF80000-0x000000007EF81000-memory.dmp

        Filesize

        4KB

      • memory/2912-903-0x000000007EF20000-0x000000007EF21000-memory.dmp

        Filesize

        4KB

      • memory/2912-904-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

        Filesize

        4KB

      • memory/2912-892-0x0000000000400000-0x0000000000407000-memory.dmp

        Filesize

        28KB

      • memory/2912-926-0x000000007EF40000-0x000000007EF41000-memory.dmp

        Filesize

        4KB

      • memory/2912-927-0x0000000000400000-0x0000000000407000-memory.dmp

        Filesize

        28KB

      • memory/2912-928-0x000000007EF40000-0x000000007EF41000-memory.dmp

        Filesize

        4KB