Analysis

  • max time kernel
    132s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-09-2024 18:31

General

  • Target

    LockBIT_7D68A5BFD028A31F.exe

  • Size

    862KB

  • MD5

    4d66e5d97d69602b5f7f456a4c11cf2b

  • SHA1

    70ae4cb2a3af39a97dc75e0d4937c88faf6dc914

  • SHA256

    50ac767d5b007b120db7a476126a88f37edc3f54bae24ed546a80477836252ed

  • SHA512

    e035da06a3c154a6ff0cadddfb559b5d6679e858ae6ffcfc48f8f4f0a8469221222fcf0ca160e24cfdf8f658f48d6484b5baff034a7ab73d5b87fbf964f03fd9

  • SSDEEP

    24576:DxAf2NuubB6RWspgjuwu7pl4Ha+UmxJH+QzFR:dAfSrWW4g+7Ht+UmxJeg3

Malware Config

Extracted

Path

C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Restore-My-Files.txt

Ransom Note
LockBit 2.0 Ransomware Your data are stolen and encrypted The data will be published on TOR website http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion and https://bigblog.at if you do not pay the ransom You can contact us and decrypt one file for free on these TOR sites http://lockbitsup4yezcd5enk5unncx3zcy7kw6wllyqmiyhvanjj352jayid.onion http://lockbitsap2oaqhcun3syvbqt6n5nzt7fqosc6jdlmsfleu3ka4k2did.onion OR https://decoding.at Decryption ID: 7D68A5BFD028A31F4DDA51A204C68F69
URLs

http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion

https://bigblog.at

http://lockbitsup4yezcd5enk5unncx3zcy7kw6wllyqmiyhvanjj352jayid.onion

http://lockbitsap2oaqhcun3syvbqt6n5nzt7fqosc6jdlmsfleu3ka4k2did.onion

https://decoding.at

Signatures

  • Lockbit

    Ransomware family with multiple variants released since late 2019.

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 5 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 17 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LockBIT_7D68A5BFD028A31F.exe
    "C:\Users\Admin\AppData\Local\Temp\LockBIT_7D68A5BFD028A31F.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2668
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2668 -s 137824
      2⤵
      • Program crash
      PID:5688
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:1972
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1332
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{14A62DDE-0A7D-46A6-9210-2D7FC989C48B}.xps" 133717627906350000
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:5280
        • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeC2RClient.exe
          OfficeC2RClient.exe /error PID=5280 ProcessName="Microsoft OneNote" UIType=3 ErrorSource=0x8b10082a ErrorCode=0x80004005 ShowUI=1
          3⤵
          • Process spawned unexpected child process
          • Suspicious use of SetWindowsHookEx
          PID:3756
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2668 -ip 2668
      1⤵
        PID:4784

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Restore-My-Files.txt

        Filesize

        512B

        MD5

        0e88fb7df90734c5bb21c4f6c1881949

        SHA1

        2e6d907157a6257d1da864bf2d103e2bf6778b31

        SHA256

        680d24aa778600a80fffd54142ade6507aa340c8de48928cf878ada3c0aa77b6

        SHA512

        61da6ad9ae6b66e2c3c6d5c948a42c045d8059571557df5db39a862665b110d86918362b2634c2af1d1433aaaf902cb3c71683baecdc0dd67962cd5b432e0944

      • memory/2668-8148-0x00000000021C0000-0x0000000002293000-memory.dmp

        Filesize

        844KB