Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/04/2024, 18:06

General

  • Target
    exe/start.bat
  • Size 310B
  • Sample240408-wp9jksff47
  • SHA256 c42232e5ca4f7518c308aafa94b09800d903537039efcc8ffc65645153bf0732
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Path
  • C:\Users\8iysYFBai.README.txt

Ransom Note
  • ~~ LockBit 3.0 the world's fastest and most stable ransomware from 2019~~~ >>>>> Your data is stolen and encrypted. BLOG Tor Browser Links: http://lockbit3753ekiocyo5epmpy6klmejchjtzddoekjlnt6mu3qh4de2id.onion/ http://lockbit3g3ohd3katajf6zaehxz4h4cnhmz5t735zpltywhwpc6oy3id.onion/ http://lockbit3olp7oetlc4tl5zydnoluphh7fvdt5oa6arcp2757r7xkutid.onion/ http://lockbit435xk3ki62yun7z5nhwz6jyjdp2c64j5vge536if2eny3gtid.onion/ http://lockbit4lahhluquhoka3t4spqym2m3dhe66d6lr337glmnlgg2nndad.onion/ http://lockbit6knrauo3qafoksvl742vieqbujxw7rd6ofzdtapjb4rrawqad.onion/ http://lockbit7ouvrsdgtojeoj5hvu6bljqtghitekwpdy3b6y62ixtsu5jqd.onion/ >>>>> What guarantee is there that we won't cheat you? We are the oldest ransomware affiliate program on the planet, nothing is more important than our reputation. We are not a politically motivated group and we want nothing more than money. If you pay, we will fulfill all the terms we agree on during the negotiation process. Treat this situation simply as a paid training session for your system administrators, because it was the misconfiguration of your corporate network that allowed us to attack you. Our pentesting services should be paid for the same way you pay your system administrators salaries. You can get more information about us on Ilon Musk's Twitter https://twitter.com/hashtag/lockbit?f=live >>>>> You need to contact us on TOR darknet sites with your personal ID Download and install Tor Browser https://www.torproject.org/ Write to the chat room and wait for an answer, we'll guarantee a response from us. If you need a unique ID for correspondence with us that no one will know about, ask it in the chat, we will generate a secret chat for you and give you his ID via private one-time memos service, no one can find out this ID but you. Sometimes you will have to wait some time for our reply, this is because we have a lot of work and we attack hundreds of companies around the world. Tor Browser personal link for CHAT available only to you (available during a ddos attack): http://lockbit75naln4yj44rg6ez6vjmdcrt7up4kxmmmuvilcg4ak3zihxid.onion Tor Browser Links for CHAT (sometimes unavailable due to ddos attacks): http://lockbit5eevg7vec4vwwtzgkl4kulap6oxbic2ye4mnmlq6njnpc47qd.onion http://lockbit74beza5z3e3so7qmjnvlgoemscp7wtp33xo7xv7f7xtlqbkqd.onion http://lockbit75naln4yj44rg6ez6vjmdcrt7up4kxmmmuvilcg4ak3zihxid.onion http://lockbit7a2g6ve7etbcy6iyizjnuleffz4szgmxaawcbfauluavi5jqd.onion http://lockbitaa46gwjck2xzmi2xops6x4x3aqn6ez7yntitero2k7ae6yoyd.onion http://lockbitb42tkml3ipianjbs6e33vhcshb7oxm2stubfvdzn3y2yqgbad.onion http://lockbitcuo23q7qrymbk6dsp2sadltspjvjxgcyp4elbnbr6tcnwq7qd.onion >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >> Your personal Black ID: CBCA8AEF72D1436920DCD545D4BDD7C5 << >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>> Warning! Do not delete or modify encrypted files, it will lead to problems with decryption of files! >>>>> Don't go to the police or the FBI for help and don't tell anyone that we attacked you.
URLs
  • http://lockbit3753ekiocyo5epmpy6klmejchjtzddoekjlnt6mu3qh4de2id.onion/

  • http://lockbit3g3ohd3katajf6zaehxz4h4cnhmz5t735zpltywhwpc6oy3id.onion/

  • http://lockbit3olp7oetlc4tl5zydnoluphh7fvdt5oa6arcp2757r7xkutid.onion/

  • http://lockbit435xk3ki62yun7z5nhwz6jyjdp2c64j5vge536if2eny3gtid.onion/

  • http://lockbit4lahhluquhoka3t4spqym2m3dhe66d6lr337glmnlgg2nndad.onion/

  • http://lockbit6knrauo3qafoksvl742vieqbujxw7rd6ofzdtapjb4rrawqad.onion/

  • http://lockbit7ouvrsdgtojeoj5hvu6bljqtghitekwpdy3b6y62ixtsu5jqd.onion/

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

  • http://lockbit75naln4yj44rg6ez6vjmdcrt7up4kxmmmuvilcg4ak3zihxid.onion

  • http://lockbit5eevg7vec4vwwtzgkl4kulap6oxbic2ye4mnmlq6njnpc47qd.onion

  • http://lockbit74beza5z3e3so7qmjnvlgoemscp7wtp33xo7xv7f7xtlqbkqd.onion

  • http://lockbit7a2g6ve7etbcy6iyizjnuleffz4szgmxaawcbfauluavi5jqd.onion

  • http://lockbitaa46gwjck2xzmi2xops6x4x3aqn6ez7yntitero2k7ae6yoyd.onion

  • http://lockbitb42tkml3ipianjbs6e33vhcshb7oxm2stubfvdzn3y2yqgbad.onion

  • http://lockbitcuo23q7qrymbk6dsp2sadltspjvjxgcyp4elbnbr6tcnwq7qd.onion

Extracted

Path
  • C:\Users\Admin\8iysYFBai.README.txt

Ransom Note
  • ~~ LockBit 3.0 the world's fastest and most stable ransomware from 2019~~~ >>>>> Your data is stolen and encrypted. BLOG Tor Browser Links: http://lockbit3753ekiocyo5epmpy6klmejchjtzddoekjlnt6mu3qh4de2id.onion/ http://lockbit3g3ohd3katajf6zaehxz4h4cnhmz5t735zpltywhwpc6oy3id.onion/ http://lockbit3olp7oetlc4tl5zydnoluphh7fvdt5oa6arcp2757r7xkutid.onion/ http://lockbit435xk3ki62yun7z5nhwz6jyjdp2c64j5vge536if2eny3gtid.onion/ http://lockbit4lahhluquhoka3t4spqym2m3dhe66d6lr337glmnlgg2nndad.onion/ http://lockbit6knrauo3qafoksvl742vieqbujxw7rd6ofzdtapjb4rrawqad.onion/ http://lockbit7ouvrsdgtojeoj5hvu6bljqtghitekwpdy3b6y62ixtsu5jqd.onion/ >>>>> What guarantee is there that we won't cheat you? We are the oldest ransomware affiliate program on the planet, nothing is more important than our reputation. We are not a politically motivated group and we want nothing more than money. If you pay, we will fulfill all the terms we agree on during the negotiation process. Treat this situation simply as a paid training session for your system administrators, because it was the misconfiguration of your corporate network that allowed us to attack you. Our pentesting services should be paid for the same way you pay your system administrators salaries. You can get more information about us on Ilon Musk's Twitter https://twitter.com/hashtag/lockbit?f=live >>>>> You need to contact us on TOR darknet sites with your personal ID Download and install Tor Browser https://www.torproject.org/ Write to the chat room and wait for an answer, we'll guarantee a response from us. If you need a unique ID for correspondence with us that no one will know about, ask it in the chat, we will generate a secret chat for you and give you his ID via private one-time memos service, no one can find out this ID but you. Sometimes you will have to wait some time for our reply, this is because we have a lot of work and we attack hundreds of companies around the world. Tor Browser personal link for CHAT available only to you (available during a ddos attack): http://lockbitaa46gwjck2xzmi2xops6x4x3aqn6ez7yntitero2k7ae6yoyd.onion Tor Browser Links for CHAT (sometimes unavailable due to ddos attacks): http://lockbit5eevg7vec4vwwtzgkl4kulap6oxbic2ye4mnmlq6njnpc47qd.onion http://lockbit74beza5z3e3so7qmjnvlgoemscp7wtp33xo7xv7f7xtlqbkqd.onion http://lockbit75naln4yj44rg6ez6vjmdcrt7up4kxmmmuvilcg4ak3zihxid.onion http://lockbit7a2g6ve7etbcy6iyizjnuleffz4szgmxaawcbfauluavi5jqd.onion http://lockbitaa46gwjck2xzmi2xops6x4x3aqn6ez7yntitero2k7ae6yoyd.onion http://lockbitb42tkml3ipianjbs6e33vhcshb7oxm2stubfvdzn3y2yqgbad.onion http://lockbitcuo23q7qrymbk6dsp2sadltspjvjxgcyp4elbnbr6tcnwq7qd.onion >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >> Your personal Black ID: CBCA8AEF72D1436995A3B8D5A855A33A << >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>> Warning! Do not delete or modify encrypted files, it will lead to problems with decryption of files! >>>>> Don't go to the police or the FBI for help and don't tell anyone that we attacked you.
URLs
  • http://lockbit3753ekiocyo5epmpy6klmejchjtzddoekjlnt6mu3qh4de2id.onion/

  • http://lockbit3g3ohd3katajf6zaehxz4h4cnhmz5t735zpltywhwpc6oy3id.onion/

  • http://lockbit3olp7oetlc4tl5zydnoluphh7fvdt5oa6arcp2757r7xkutid.onion/

  • http://lockbit435xk3ki62yun7z5nhwz6jyjdp2c64j5vge536if2eny3gtid.onion/

  • http://lockbit4lahhluquhoka3t4spqym2m3dhe66d6lr337glmnlgg2nndad.onion/

  • http://lockbit6knrauo3qafoksvl742vieqbujxw7rd6ofzdtapjb4rrawqad.onion/

  • http://lockbit7ouvrsdgtojeoj5hvu6bljqtghitekwpdy3b6y62ixtsu5jqd.onion/

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

  • http://lockbitaa46gwjck2xzmi2xops6x4x3aqn6ez7yntitero2k7ae6yoyd.onion

  • http://lockbit5eevg7vec4vwwtzgkl4kulap6oxbic2ye4mnmlq6njnpc47qd.onion

  • http://lockbit74beza5z3e3so7qmjnvlgoemscp7wtp33xo7xv7f7xtlqbkqd.onion

  • http://lockbit75naln4yj44rg6ez6vjmdcrt7up4kxmmmuvilcg4ak3zihxid.onion

  • http://lockbit7a2g6ve7etbcy6iyizjnuleffz4szgmxaawcbfauluavi5jqd.onion

  • http://lockbitb42tkml3ipianjbs6e33vhcshb7oxm2stubfvdzn3y2yqgbad.onion

  • http://lockbitcuo23q7qrymbk6dsp2sadltspjvjxgcyp4elbnbr6tcnwq7qd.onion

Signatures

  • Renames multiple (138) files with added filename extension

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

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Drops desktop.ini file(s) 3 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 4 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 19 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\exe\start.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4156
    • C:\Users\Admin\AppData\Local\Temp\exe\unimed1.exe
      unimed1.exe -pass 578a910096ddcfe92e7f3e593fcd7a0c
      2⤵
      • Drops desktop.ini file(s)
      • Sets desktop wallpaper using registry
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4292
      • C:\ProgramData\42F4.tmp
        "C:\ProgramData\42F4.tmp"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of WriteProcessMemory
        PID:1148
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\42F4.tmp >> NUL
          4⤵
            PID:3152
      • C:\Users\Admin\AppData\Local\Temp\exe\unimed2.exe
        unimed2.exe -pass 437fdd5d964fa4aae89f67b5ac2bcbf3
        2⤵
        • Drops desktop.ini file(s)
        • Sets desktop wallpaper using registry
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:284
        • C:\ProgramData\4FF5.tmp
          "C:\ProgramData\4FF5.tmp"
          3⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious use of WriteProcessMemory
          PID:4584
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\4FF5.tmp >> NUL
            4⤵
              PID:828
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4560

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            AAAAAAAAAAA

            • Path C:\$Recycle.Bin\S-1-5-21-566096764-1992588923-1249862864-1000\AAAAAAAAAAA
            • Size 129B
            • SHA256 58d09ad69402977269ba554220e1c61763e419bc326ca32b5fada3de07958657
            • MD5 SHA1 SHA512

            YYYYYYYYYYY

            • Path C:\$Recycle.Bin\S-1-5-21-566096764-1992588923-1249862864-1000\YYYYYYYYYYY
            • Size 129B
            • SHA256 82789904fc8d686e8b9d2260091fa956256872c169f9c7cdff11de38347ebf9c
            • MD5 SHA1 SHA512

            42F4.tmp

            • Path C:\ProgramData\42F4.tmp
            • Size 14KB
            • SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
            • MD5 SHA1 SHA512 SSDEEP

            8iysYFBai.ico

            • Path C:\ProgramData\8iysYFBai.ico
            • Size 14KB
            • SHA256 95e059ef72686460884b9aea5c292c22917f75d56fe737d43be440f82034f438
            • MD5 SHA1 SHA512 SSDEEP

            8iysYFBai.README.txt

            • Path C:\Users\8iysYFBai.README.txt
            • Size 3KB
            • SHA256 7b70eec8635f507a39b867f7896591ef8871d8950c40a2848d0693b921c59a78
            • MD5 SHA1 SHA512

            8iysYFBai.README.txt

            • Path C:\Users\Admin\8iysYFBai.README.txt
            • Size 3KB
            • SHA256 43f01742da87628764f0633070ca5d028048af69bbc5a2433db8ed8429b0dc24
            • MD5 SHA1 SHA512

            FFFFFFFFFFF

            • Path C:\Users\Admin\AppData\Local\Temp\exe\FFFFFFFFFFF
            • Size 156KB
            • SHA256 89c82b54168f2799c6a37b13c3f161bb44d577f0382f93011f666fc63f15d5ca
            • MD5 SHA1 SHA512 SSDEEP

            vcredist2010_x64.log-MSI_vc_red.msi.txt.8iysYFBai

            • Path C:\vcredist2010_x64.log-MSI_vc_red.msi.txt.8iysYFBai
            • Size 381KB
            • SHA256 d62538dd9c3bb4fa917f7efbad2cd3cd84d31cd9ae72b6402eff3095fa191033
            • MD5 SHA1 SHA512 SSDEEP

            vcredist2010_x64.log.html.8iysYFBai

            • Path C:\vcredist2010_x64.log.html.8iysYFBai
            • Size 87KB
            • SHA256 e19b037a9385763be0483d1ed073057e7cd6cbfde63821834fc44495e011c24c
            • MD5 SHA1 SHA512 SSDEEP

            vcredist2010_x86.log-MSI_vc_red.msi.txt.8iysYFBai

            • Path C:\vcredist2010_x86.log-MSI_vc_red.msi.txt.8iysYFBai
            • Size 395KB
            • SHA256 216523967a5adef7939168f52b17de7f85b283e52b394029b1be4a4403460d5d
            • MD5 SHA1 SHA512 SSDEEP

            vcredist2010_x86.log.html.8iysYFBai

            • Path C:\vcredist2010_x86.log.html.8iysYFBai
            • Size 81KB
            • SHA256 0f07e1f3e68711044ced179663a08d15609f7d8f6ba3b69b0c39b0dae0a6b6a8
            • MD5 SHA1 SHA512 SSDEEP

            vcredist2012_x64_0_vcRuntimeMinimum_x64.log.8iysYFBai

            • Path C:\vcredist2012_x64_0_vcRuntimeMinimum_x64.log.8iysYFBai
            • Size 168KB
            • SHA256 914fb2561dfa33e93a5f03eea28b56fe9033e03a032bea66227217a6ec04d4c5
            • MD5 SHA1 SHA512 SSDEEP

            vcredist2012_x64_1_vcRuntimeAdditional_x64.log.8iysYFBai

            • Path C:\vcredist2012_x64_1_vcRuntimeAdditional_x64.log.8iysYFBai
            • Size 195KB
            • SHA256 971b1e603612ad529de3272f7ffd14f482012b29819dfd002adf729f04459f5b
            • MD5 SHA1 SHA512 SSDEEP

            vcredist2012_x86_0_vcRuntimeMinimum_x86.log.8iysYFBai

            • Path C:\vcredist2012_x86_0_vcRuntimeMinimum_x86.log.8iysYFBai
            • Size 171KB
            • SHA256 2d43bc8a85c6f54d91157c26b73399a788e86667bd438eba4d27e80deb45f9c8
            • MD5 SHA1 SHA512 SSDEEP

            vcredist2012_x86_1_vcRuntimeAdditional_x86.log.8iysYFBai

            • Path C:\vcredist2012_x86_1_vcRuntimeAdditional_x86.log.8iysYFBai
            • Size 208KB
            • SHA256 3324384faadc32d6430f0b9dbef2eeb902671485e015be998d526d3d7648cd97
            • MD5 SHA1 SHA512 SSDEEP

            BBBBBBBBBBB

            • Path F:\$RECYCLE.BIN\S-1-5-21-566096764-1992588923-1249862864-1000\BBBBBBBBBBB
            • Size 129B
            • SHA256 e8792edc9bbb1c5ad8b1dc16f828c1f6dc5815a5208ee1fdebb3a51dbd2e0f07
            • MD5 SHA1 SHA512

            memory/284-330-0x0000000002920000-0x0000000002930000-memory.dmp

            memory/284-480-0x0000000002920000-0x0000000002930000-memory.dmp

            memory/284-478-0x0000000002920000-0x0000000002930000-memory.dmp

            memory/284-479-0x0000000002920000-0x0000000002930000-memory.dmp

            memory/284-329-0x0000000002920000-0x0000000002930000-memory.dmp

            memory/1148-306-0x000000007FE20000-0x000000007FE21000-memory.dmp

            memory/1148-297-0x0000000002480000-0x0000000002490000-memory.dmp

            memory/1148-477-0x0000000002480000-0x0000000002490000-memory.dmp

            memory/1148-295-0x000000007FE40000-0x000000007FE41000-memory.dmp

            memory/1148-484-0x000000007FE00000-0x000000007FE01000-memory.dmp

            memory/1148-483-0x000000007FDE0000-0x000000007FDE1000-memory.dmp

            memory/1148-327-0x000000007FDC0000-0x000000007FDC1000-memory.dmp

            memory/1148-296-0x0000000002480000-0x0000000002490000-memory.dmp

            memory/4292-0-0x0000000002F30000-0x0000000002F40000-memory.dmp

            memory/4292-2-0x0000000002F30000-0x0000000002F40000-memory.dmp

            memory/4292-1-0x0000000002F30000-0x0000000002F40000-memory.dmp

            memory/4584-471-0x00000000023E0000-0x00000000023F0000-memory.dmp

            memory/4584-475-0x000000007FDE0000-0x000000007FDE1000-memory.dmp

            memory/4584-476-0x000000007FE00000-0x000000007FE01000-memory.dmp

            memory/4584-474-0x000000007FDC0000-0x000000007FDC1000-memory.dmp

            memory/4584-472-0x00000000023E0000-0x00000000023F0000-memory.dmp

            memory/4584-473-0x000000007FE20000-0x000000007FE21000-memory.dmp

            memory/4584-470-0x000000007FE40000-0x000000007FE41000-memory.dmp