Overview

overview

10

Static

static

3

430492f325...5a.exe

windows7-x64

10

430492f325...5a.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    140s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-05-2024 12:29

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General

  • Target

    430492f325292bb007cf8913eed4d042ecabad89aabafd34d3be375016e7795a.exe

  • Size

    1.1MB

  • MD5

    bb3f13a877b7bce490965d5be1abbeb3

  • SHA1

    f4068d17e85a99a869c99d36c6214c34a1c067d9

  • SHA256

    430492f325292bb007cf8913eed4d042ecabad89aabafd34d3be375016e7795a

  • SHA512

    53d6c98cf387dd73a844cf853aa1b5b1b4ab0934e3da2f5e1d6eb55b4173299a885e7ba295a16930b2bef8747f086f45991334a65b5a2455fbc12ca5b95effc1

  • SSDEEP

    24576:GU2Nmt559j0wK0LnOsPSC34+iMxdzjFA6af6FKRR:GUB55apKD7vrxNaB

Score
10/10
lockbitdefense_evasiondiscoveryevasionexecutionimpactpersistenceransomware

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: AE664DC084E03AFD940DC2E20AB08FD1
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
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
    ransomwareevasion
  • 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
  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Modifies Control Panel 2 IoCs
    evasion
  • Modifies registry class 15 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 56 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs
  • Uses Volume Shadow Copy service COM API

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

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\430492f325292bb007cf8913eed4d042ecabad89aabafd34d3be375016e7795a.exe
    "C:\Users\Admin\AppData\Local\Temp\430492f325292bb007cf8913eed4d042ecabad89aabafd34d3be375016e7795a.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:4128
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin delete shadows /all /quiet & wmic shadowcopy delete & bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5904
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:5088
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:5136
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:3560
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:4596
    • 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:1804
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1804 -s 1780
          3⤵
          • Program crash
          PID:4224
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C ping 127.0.0.7 -n 3 > Nul & fsutil file setZeroData offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\430492f325292bb007cf8913eed4d042ecabad89aabafd34d3be375016e7795a.exe" & Del /f /q "C:\Users\Admin\AppData\Local\Temp\430492f325292bb007cf8913eed4d042ecabad89aabafd34d3be375016e7795a.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3648
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.7 -n 3
          3⤵
          • Runs ping.exe
          PID:888
        • C:\Windows\SysWOW64\fsutil.exe
          fsutil file setZeroData offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\430492f325292bb007cf8913eed4d042ecabad89aabafd34d3be375016e7795a.exe"
          3⤵
            PID:4864
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:5960
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4552,i,14486271492189381216,15799931579469722648,262144 --variations-seed-version --mojo-platform-channel-handle=3768 /prefetch:8
        1⤵
          PID:5944
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
          1⤵
            PID:304
          • C:\Windows\system32\printfilterpipelinesvc.exe
            C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
            1⤵
            • Drops file in System32 directory
            • Suspicious use of WriteProcessMemory
            PID:5556
            • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
              /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{16052C2B-5014-4D73-B889-80E11C958AAA}.xps" 133616322328080000
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:1268
              • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeC2RClient.exe
                OfficeC2RClient.exe /error PID=1268 ProcessName="Microsoft OneNote" UIType=3 ErrorSource=0x8b10082a ErrorCode=0x80004005 ShowUI=1
                3⤵
                • Process spawned unexpected child process
                • Suspicious use of SetWindowsHookEx
                PID:5416
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1804 -ip 1804
            1⤵
              PID:1724

            Network

            MITRE ATT&CK Enterprise v15

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            Downloads

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

              512B

              MD5

              841035a8226679c224b7e7532c902b7f

              SHA1

              cd17d261009b279a9e102a0ac447c95edf473ad7

              SHA256

              214628fe542ed1400e25f07f33b76a89db16132a9e54a806157d8d965c6f03cb

              SHA512

              9d0c7bb7d545a819f1568c400ce450930e0e95b4f2e565412282cad5b548b974b2be5ca997eb75ae5884c5a9bcbc1ab8fa693b2826685252988382f68726d4f2

              Download Submit

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

              46KB

              MD5

              c15c6adc8c923ad87981f289025c37b2

              SHA1

              bfe6533f4afe3255046f7178f289a4c75ad89e76

              SHA256

              90f3a33919fdd766e90fd96f8f20a92c2d1376b7cfdc8b738c2f8e7e6c7498b1

              SHA512

              31dd03b208e00ac012fbe4189d5af1306cc8e3640d40efefab4aa1cabab3c4735eef0cb65e7750c3c77021934e145398e5e26389975cf36b193c8f622a5fde83

              Download Submit

            • memory/4128-7086-0x0000000000400000-0x0000000000516000-memory.dmp

              Filesize

              1.1MB

              Download

            • memory/4128-7088-0x0000000000400000-0x0000000000516000-memory.dmp

              Filesize

              1.1MB

              Download

            • memory/4128-4-0x0000000000401000-0x00000000004E1000-memory.dmp

              Filesize

              896KB

              Download

            • memory/4128-3-0x0000000000400000-0x0000000000516000-memory.dmp

              Filesize

              1.1MB

              Download

            • memory/4128-2-0x0000000000400000-0x0000000000516000-memory.dmp

              Filesize

              1.1MB

              Download

            • memory/4128-6-0x0000000000400000-0x0000000000516000-memory.dmp

              Filesize

              1.1MB

              Download

            • memory/4128-1-0x0000000002010000-0x000000000204B000-memory.dmp

              Filesize

              236KB

              Download

            • memory/4128-5-0x0000000000660000-0x0000000000661000-memory.dmp

              Filesize

              4KB

              Download

            • memory/4128-7089-0x0000000002010000-0x000000000204B000-memory.dmp

              Filesize

              236KB

              Download

            • memory/4128-7090-0x0000000000401000-0x00000000004E1000-memory.dmp

              Filesize

              896KB

              Download

            • memory/4128-7091-0x0000000000400000-0x0000000000516000-memory.dmp

              Filesize

              1.1MB

              Download

            • memory/4128-7092-0x0000000000400000-0x0000000000516000-memory.dmp

              Filesize

              1.1MB

              Download

            • memory/4128-7106-0x0000000000400000-0x0000000000516000-memory.dmp

              Filesize

              1.1MB

              Download

            • memory/4128-0-0x0000000000400000-0x0000000000516000-memory.dmp

              Filesize

              1.1MB

              Download

            • memory/4128-7114-0x0000000000400000-0x0000000000516000-memory.dmp

              Filesize

              1.1MB

              Download