Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-03-2024 04:14

General

  • Target

    7a59f387a926696968bea7c8f891e79d7410c989bd6f20b77a3e5a2a29f0363e.exe

  • Size

    147KB

  • MD5

    c1eb609c9ed588d372091d5531a74aeb

  • SHA1

    faf042b6cef13d0d46c5b5e7f3f5a595fa0a5952

  • SHA256

    7a59f387a926696968bea7c8f891e79d7410c989bd6f20b77a3e5a2a29f0363e

  • SHA512

    828356900e5dc26d4e371b76504dfb4af3b4594708cb4acc76b22e69dc1766f5558ff55d0cbe0fa408fb97ca5741a08f6551b29fddebf6cddb35b6c0084a40c1

  • SSDEEP

    3072:w6glyuxE4GsUPnliByocWepkEa9YmM31iA9uHZiW:w6gDBGpvEByocWeJhRFwAW

Malware Config

Extracted

Path

C:\zvV4dTvWn.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 if you do not pay the ransom >>>> PAYMENT : Step 01 : Send 5000 euro in bitcoin to the following address : bc1qvmcaphjgaphshzl65m4um98ffwr6w3ztdchw4y Step 02 : Send proof of transaction to this telegram contact : @P3NT3ST_R00T (https://t.me/P3NT3ST_R00T) Step 03 : After verification of your payment a decryption code will be sent to you. >>>> 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 contact us and decrypt one file for free on these TOR sites with your personal DECRYPTION ID >>>> Your personal DECRYPTION ID: FF3BF712A630DBD2114066D5724A11CD >>>> 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://t.me/P3NT3ST_R00T

Signatures

  • Lockbit

    Ransomware family with multiple variants released since late 2019.

  • Renames multiple (562) files with added filename extension

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

  • 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.

  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in System32 directory 4 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 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
  • 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\7a59f387a926696968bea7c8f891e79d7410c989bd6f20b77a3e5a2a29f0363e.exe
    "C:\Users\Admin\AppData\Local\Temp\7a59f387a926696968bea7c8f891e79d7410c989bd6f20b77a3e5a2a29f0363e.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1008
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:2544
    • C:\ProgramData\66C9.tmp
      "C:\ProgramData\66C9.tmp"
      2⤵
      • Checks computer location settings
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:4948
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\66C9.tmp >> NUL
        3⤵
          PID:3216
    • 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:3184
        • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
          /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{744DDACA-614D-47F4-8413-0E1539BCFF1D}.xps" 133548633075070000
          2⤵
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious use of SetWindowsHookEx
          PID:1432

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\$Recycle.Bin\S-1-5-21-275798769-4264537674-1142822080-1000\BBBBBBBBBBB

        Filesize

        129B

        MD5

        97dbf3d651e7b08f8daffa1bd1e64a4b

        SHA1

        1b68029275d70554345ad4ecfde5614fe44da3ef

        SHA256

        a66a260b7e250430b6d127c333be9fea30ed6c87b2873c21d037d84196861008

        SHA512

        7d35a7688cc80e8a0287e4f0c82713e72159501f439096d7cf3e4cdc15411aac080e353bf7c6bd7f9e36a9b06c2340af692714eb09bfacfffd9ebbe18ea6e89e

      • C:\ProgramData\66C9.tmp

        Filesize

        14KB

        MD5

        294e9f64cb1642dd89229fff0592856b

        SHA1

        97b148c27f3da29ba7b18d6aee8a0db9102f47c9

        SHA256

        917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

        SHA512

        b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

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

        Filesize

        147KB

        MD5

        be025835be60bbb8e8eeea6a0cfe33fb

        SHA1

        98c76c626c38b88f51fabd859140980e2ae999fa

        SHA256

        7547bb7d966e9c07faefd07d04fbda1524d18fb202ee1b8c8b597cd9651ba030

        SHA512

        755d300c13c8e73333b815cbae99a7bed797eb1b8310451e13a494c46347155c9b8702b5391a00ba04e8ed68dcbc598ba64234e45ef85d4de76c718880a43e74

      • C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2

        Filesize

        4KB

        MD5

        bf13d87846cbc3655f9d2915244a53f7

        SHA1

        cc6494ef21439fe2a9db5bf02a24c7898df2e071

        SHA256

        4c1a1c706c208c694dcfbd7415a45d80e2a92ff8fdbf6a1b0a855eb2d3486359

        SHA512

        ddd5ee5ca45dca7bb1e964bad95fc536f31deadf16101ff9f36e28330c8ba96892f5a236b256ea9f7e4b4542158d6acf1018e16eb397c11176c509bca35f81ad

      • C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2

        Filesize

        4KB

        MD5

        acc13c7c189a347ee411510944595b7b

        SHA1

        1df59c80314cf657900da57e4e0b014860b54fbc

        SHA256

        032b49ad52964537618c0fc67a9c64ebdf88e5ea2c067a1dc1c5f715a14c9f32

        SHA512

        66c0de8f91abd03683d9ed2569b7d4a09a1f4312bf38318c0f0c182885db2c7ef96894bd317535e7b9b6800efd29e94f2d772b4b801a0f4e93b49dfee6f371cd

      • C:\zvV4dTvWn.README.txt

        Filesize

        1KB

        MD5

        bf7ae8f47d8fa0ac5dcadc18c81e5a04

        SHA1

        4be4e42d3f6bd15e4b7fc11d8b54a6a1839d37be

        SHA256

        522d831a26affafa89499382925defcfc377e24a4c1904b30bae4ed73d3d85ff

        SHA512

        9ff0f8236251b81c335e61e2e8ede40a0cbeaa36afdb46b040daeb85c548d0db87b46a7fabf3bfe7e04bd2dec9d09fb2847a94a4b9b908612f4f4a9a3ff6269a

      • F:\$RECYCLE.BIN\S-1-5-21-275798769-4264537674-1142822080-1000\DDDDDDDDDDD

        Filesize

        129B

        MD5

        5e9472c4fb0a14b996f77e72a88ce04f

        SHA1

        0be20e8a7c422651347bff3d519ac3068eb57b2d

        SHA256

        e4b3fe0434750ad8d5d1daddc164cebf8d200e8d9de21c2ced67baba6b4243f0

        SHA512

        a64eefa6c859e515e115ed276ee966988854e2e9d56228122e195ebdd6d513fb04e1a51b7f1da40386147877bdcef8b3b8615ddc6a92a75eb8f82f2323bc024d

      • memory/1008-0-0x00000000032E0000-0x00000000032F0000-memory.dmp

        Filesize

        64KB

      • memory/1008-1-0x00000000032E0000-0x00000000032F0000-memory.dmp

        Filesize

        64KB

      • memory/1008-2-0x00000000032E0000-0x00000000032F0000-memory.dmp

        Filesize

        64KB

      • memory/1432-2780-0x00007FFD4A030000-0x00007FFD4A225000-memory.dmp

        Filesize

        2.0MB

      • memory/1432-2784-0x00007FFD4A030000-0x00007FFD4A225000-memory.dmp

        Filesize

        2.0MB

      • memory/1432-2773-0x00007FFD4A030000-0x00007FFD4A225000-memory.dmp

        Filesize

        2.0MB

      • memory/1432-2774-0x00007FFD0A0B0000-0x00007FFD0A0C0000-memory.dmp

        Filesize

        64KB

      • memory/1432-2775-0x00007FFD4A030000-0x00007FFD4A225000-memory.dmp

        Filesize

        2.0MB

      • memory/1432-2776-0x00007FFD0A0B0000-0x00007FFD0A0C0000-memory.dmp

        Filesize

        64KB

      • memory/1432-2777-0x00007FFD4A030000-0x00007FFD4A225000-memory.dmp

        Filesize

        2.0MB

      • memory/1432-2778-0x00007FFD4A030000-0x00007FFD4A225000-memory.dmp

        Filesize

        2.0MB

      • memory/1432-2748-0x00007FFD0A0B0000-0x00007FFD0A0C0000-memory.dmp

        Filesize

        64KB

      • memory/1432-2781-0x00007FFD07DA0000-0x00007FFD07DB0000-memory.dmp

        Filesize

        64KB

      • memory/1432-2782-0x00007FFD4A030000-0x00007FFD4A225000-memory.dmp

        Filesize

        2.0MB

      • memory/1432-2779-0x00007FFD4A030000-0x00007FFD4A225000-memory.dmp

        Filesize

        2.0MB

      • memory/1432-2783-0x00007FFD07DA0000-0x00007FFD07DB0000-memory.dmp

        Filesize

        64KB

      • memory/1432-2743-0x00007FFD4A030000-0x00007FFD4A225000-memory.dmp

        Filesize

        2.0MB

      • memory/1432-2785-0x00007FFD4A030000-0x00007FFD4A225000-memory.dmp

        Filesize

        2.0MB

      • memory/1432-2787-0x00007FFD4A030000-0x00007FFD4A225000-memory.dmp

        Filesize

        2.0MB

      • memory/1432-2786-0x00007FFD4A030000-0x00007FFD4A225000-memory.dmp

        Filesize

        2.0MB

      • memory/1432-2788-0x00007FFD4A030000-0x00007FFD4A225000-memory.dmp

        Filesize

        2.0MB

      • memory/1432-2789-0x00007FFD4A030000-0x00007FFD4A225000-memory.dmp

        Filesize

        2.0MB

      • memory/1432-2790-0x00007FFD4A030000-0x00007FFD4A225000-memory.dmp

        Filesize

        2.0MB

      • memory/1432-2791-0x00007FFD4A030000-0x00007FFD4A225000-memory.dmp

        Filesize

        2.0MB

      • memory/1432-2792-0x00007FFD4A030000-0x00007FFD4A225000-memory.dmp

        Filesize

        2.0MB

      • memory/1432-2741-0x00007FFD0A0B0000-0x00007FFD0A0C0000-memory.dmp

        Filesize

        64KB

      • memory/1432-2742-0x00007FFD0A0B0000-0x00007FFD0A0C0000-memory.dmp

        Filesize

        64KB

      • memory/1432-2814-0x00007FFD4A030000-0x00007FFD4A225000-memory.dmp

        Filesize

        2.0MB

      • memory/1432-2815-0x00007FFD4A030000-0x00007FFD4A225000-memory.dmp

        Filesize

        2.0MB