Overview

overview

10

Static

static

3

53ec94e332...66.exe

windows7-x64

10

53ec94e332...66.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    141s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2023, 04:25

Sharing

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General

  • Target

    53ec94e3325c7ea427857b0a1e911c66.exe

  • Size

    862KB

  • MD5

    53ec94e3325c7ea427857b0a1e911c66

  • SHA1

    1d88d25ce890b3118bf719fe4d83583868247b86

  • SHA256

    dd8fe3966ab4d2d6215c63b3ac7abf4673d9c19f2d9f35a6bf247922c642ec2d

  • SHA512

    75d719b8de7e52da51ad841cb85be05e8d77457f68852f321512d5340cd3c1f3784b2f4d1d4e25f1c6d15fd264f1aee01bd0a3c16e22ef1e81df0e9be75235d5

  • SSDEEP

    24576:DxAf2NuubB6RWspgjuwu7pl4Ha+UmxJH+QTF:dAfSrWW4g+7Ht+UmxJec

Score
10/10
lockbitdiscoverypersistenceransomware

Malware Config

Extracted

Path

C:\Program Files\dotnet\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: 6691A3C6BA585EA04E8DEB43B29E3962
URLs

http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion

https://bigblog.at

http://lockbitsup4yezcd5enk5unncx3zcy7kw6wllyqmiyhvanjj352jayid.onion

http://lockbitsap2oaqhcun3syvbqt6n5nzt7fqosc6jdlmsfleu3ka4k2did.onion

https://decoding.at

Extracted

Path

C:\Users\Admin\Desktop\LockBit_Ransomware.hta

Ransom Note
Any attempts to restore your files with the thrid-party software will be fatal for your files! To recovery your data and not to allow data leakage, it is possible only through purchase of a private key from us There is only one way to get your files back: Through a standard browser Brave (supports Tor links) FireFox Chrome Edge Opera Open link - https://decoding.at/ Through a Tor Browser - recommended Download Tor Browser - https://www.torproject.org/ and install it. Open one of links in Tor browser and follow instructions on these pages: http://lockbitsap2oaqhcun3syvbqt6n5nzt7fqosc6jdlmsfleu3ka4k2did.onion/or mirrorhttp://lockbitsup4yezcd5enk5unncx3zcy7kw6wllyqmiyhvanjj352jayid.onion/These links work only in the Tor browser! Follow the instructions on this page https://decoding.at may be blocked. We recommend using a Tor browser (or Brave) to access the TOR site Do not rename encrypted files. Do not try to decrypt using third party software, it may cause permanent data loss. Decryption of your files with the help of third parties may cause increased price (they add their fee to our). Tor Browser may be blocked in your country or corporate network. Use https://bridges.torproject.org or use Tor Browser over VPN. Tor Browser user manual https://tb-manual.torproject.org/about All your stolen important data will be loaded into our blog if you do not pay ransom. Our blog http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion or https://bigblog.at where you can see data of the companies which refused to pay ransom.
URLs

https://decoding.at/

http://lockbitsap2oaqhcun3syvbqt6n5nzt7fqosc6jdlmsfleu3ka4k2did.onion/or

https://decoding.at

http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion

https://bigblog.at

Signatures

  • Lockbit

    Ransomware family with multiple variants released since late 2019.

    ransomwarelockbit
  • 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.

    discovery
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • 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 6 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 18 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
  • Modifies Control Panel 2 IoCs
    evasion
  • Modifies registry class 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\53ec94e3325c7ea427857b0a1e911c66.exe
    "C:\Users\Admin\AppData\Local\Temp\53ec94e3325c7ea427857b0a1e911c66.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Program Files directory
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1884
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\LockBit_Ransomware.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
      2⤵
        PID:5112
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5112 -s 1788
          3⤵
          • Program crash
          PID:2348
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
      1⤵
        PID:2832
      • C:\Windows\system32\printfilterpipelinesvc.exe
        C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
        1⤵
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:2544
        • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
          /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{4DAE2225-7CE7-437D-80D4-6B9C6B903316}.xps" 133487069413110000
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1500
          • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeC2RClient.exe
            OfficeC2RClient.exe /error PID=1500 ProcessName="Microsoft OneNote" UIType=3 ErrorSource=0x8b10082a ErrorCode=0x80004005 ShowUI=1
            3⤵
            • Process spawned unexpected child process
            • Suspicious use of SetWindowsHookEx
            PID:2520
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5112 -ip 5112
        1⤵
          PID:3836

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Program Files\dotnet\Restore-My-Files.txt
                Filesize

                512B

                MD5

                ad7cc7e9657d85d887ecd496387f2886

                SHA1

                2bf62066c75680190d243a49b111dcaaae325628

                SHA256

                52bb54f17cb9d27b4b512d22c0934f777aef77ded515648831fdf191fcba2596

                SHA512

                ee0da2507a2e32c2c9f24d7a248ac0b4561edecb3cd6c11f0bd8838251926ffff82eaff4abb55ce2885aa78ca3be7be9523a52e1a079ec7895096e36eea1f677

                Download Submit

              • C:\Users\Admin\Desktop\LockBit_Ransomware.hta
                Filesize

                46KB

                MD5

                c15c6adc8c923ad87981f289025c37b2

                SHA1

                bfe6533f4afe3255046f7178f289a4c75ad89e76

                SHA256

                90f3a33919fdd766e90fd96f8f20a92c2d1376b7cfdc8b738c2f8e7e6c7498b1

                SHA512

                31dd03b208e00ac012fbe4189d5af1306cc8e3640d40efefab4aa1cabab3c4735eef0cb65e7750c3c77021934e145398e5e26389975cf36b193c8f622a5fde83

                Download Submit

              • memory/1884-8071-0x0000000005B00000-0x0000000005B08000-memory.dmp

                Filesize

                32KB

                Download

              • memory/1884-8079-0x0000000005B00000-0x0000000005B08000-memory.dmp

                Filesize

                32KB

                Download

              • memory/1884-8080-0x0000000056790000-0x00000000569A0000-memory.dmp

                Filesize

                2.1MB

                Download