Analysis

  • max time kernel
    117s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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: FF3BF712A630DBD2405BAAB98FE7E1D9 >>>> 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 (287) 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 5 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\7a59f387a926696968bea7c8f891e79d7410c989bd6f20b77a3e5a2a29f0363e.exe
    "C:\Users\Admin\AppData\Local\Temp\7a59f387a926696968bea7c8f891e79d7410c989bd6f20b77a3e5a2a29f0363e.exe"
    1⤵
    • Loads dropped DLL
    • 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:2032
    • C:\ProgramData\A6DA.tmp
      "C:\ProgramData\A6DA.tmp"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1968
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\A6DA.tmp >> NUL
        3⤵
          PID:2436
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x150
      1⤵
        PID:848

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\$Recycle.Bin\S-1-5-21-330940541-141609230-1670313778-1000\desktop.ini

        Filesize

        129B

        MD5

        c83332c873a925bf586fd9da225133ce

        SHA1

        d70f899846987838065536781df7bf4c45484755

        SHA256

        51139af27402fd65875e10124d42a563bfcaff825ad65463c41265bef7e852c1

        SHA512

        841305651125f6c4034b84ab0044e2e592cf249aa16404adecbf0884b3fb898e94ac4852088e77985a74a7d09ba4527957a56f845486cff88356e58143b0d740

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

        Filesize

        147KB

        MD5

        b60c003acbed44a94c4add41b075386b

        SHA1

        b9589e526e4ee99c739999c1ad6735b6f6f27494

        SHA256

        d8dac11f8f11de56ef86c54144af0387d9772bdb22dba9538106ae9283b4c857

        SHA512

        4d36a8b17d7f5fed641fefddbee89ccd2c255f013bd23d8a0747e3262d397aca7449e9022c322daa98e7f65acb4262a0e267eb59b8b7bc090087935ee9914550

      • C:\zvV4dTvWn.README.txt

        Filesize

        1KB

        MD5

        b8223aa3012ad039db36737213646a16

        SHA1

        780337e8fccbc6196e7d360cee27fe8e2bdf382e

        SHA256

        a09e199dc134de29320ca5b10d3a881b991aeabf993e6c160fba6c701ee0e66d

        SHA512

        81b9e12355b1eaaa0b6a338d9f9f0893d62262df344148509b8f4397dc4a3de89911e70f179f422546392fed03073d6368fbeec38fb61792402960c9a74d62ae

      • F:\$RECYCLE.BIN\S-1-5-21-330940541-141609230-1670313778-1000\DDDDDDDDDDD

        Filesize

        129B

        MD5

        d0909468a8e58aea1cbe416454f78799

        SHA1

        fed37ef5919c07e15b8e2f8db9aed660b9e29ab9

        SHA256

        1486984845762c9e9a632afdcb9320422d787e433277fc52a424631884c59cac

        SHA512

        cb446abc88f1ba8e258f1742cf9e22395ad62c6cc4f35559a9a51c4a478eec61e45dd3becffca7364a66d001d4b033c8df2f3402968f0c9885dd53fa390e5067

      • \ProgramData\A6DA.tmp

        Filesize

        14KB

        MD5

        294e9f64cb1642dd89229fff0592856b

        SHA1

        97b148c27f3da29ba7b18d6aee8a0db9102f47c9

        SHA256

        917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

        SHA512

        b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      • memory/1968-807-0x0000000000240000-0x0000000000280000-memory.dmp

        Filesize

        256KB

      • memory/1968-804-0x0000000000400000-0x0000000000407000-memory.dmp

        Filesize

        28KB

      • memory/1968-808-0x000000007EF80000-0x000000007EF81000-memory.dmp

        Filesize

        4KB

      • memory/1968-815-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

        Filesize

        4KB

      • memory/1968-812-0x000000007EF20000-0x000000007EF21000-memory.dmp

        Filesize

        4KB

      • memory/1968-806-0x0000000000240000-0x0000000000280000-memory.dmp

        Filesize

        256KB

      • memory/1968-840-0x000000007EF60000-0x000000007EF61000-memory.dmp

        Filesize

        4KB

      • memory/1968-839-0x000000007EF40000-0x000000007EF41000-memory.dmp

        Filesize

        4KB

      • memory/1968-841-0x0000000000400000-0x0000000000407000-memory.dmp

        Filesize

        28KB

      • memory/2032-0-0x0000000000320000-0x0000000000360000-memory.dmp

        Filesize

        256KB