Analysis

  • max time kernel
    92s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-05-2024 05:33

General

  • Target

    e68a16ad68d27165929ef7d7b259d1d85cfb766f167b4853c1c2bb3c508c12a0.exe

  • Size

    814KB

  • MD5

    ff332804aecbdc92dd6cb40e79e3a5c2

  • SHA1

    7bf583928799d13465905e4fba442aaf65e0faef

  • SHA256

    e68a16ad68d27165929ef7d7b259d1d85cfb766f167b4853c1c2bb3c508c12a0

  • SHA512

    f5e454cf102335e3170d88876519d5042b4a5a8695fcc1261df53a1911e2f1a1071d8e3fe0ffdc675a7edb9002363a9f4e62519a518ee62108ba80b2d46d311d

  • SSDEEP

    24576:ghwjO7VHnC/Nj7XzHsiLEPw55Wvt5AQJunXP:ghwjx/NjEOEo2v/A5XP

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: BF515FB0351DCD6E26EFBF2B3A969581
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.

  • Creates a large amount of network flows 1 TTPs

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

  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
  • 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
  • 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 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 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 2 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

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

  • Modifies Control Panel 2 IoCs
  • Modifies registry class 15 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 40 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\e68a16ad68d27165929ef7d7b259d1d85cfb766f167b4853c1c2bb3c508c12a0.exe
    "C:\Users\Admin\AppData\Local\Temp\e68a16ad68d27165929ef7d7b259d1d85cfb766f167b4853c1c2bb3c508c12a0.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:1568
    • 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:2132
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:556
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4564
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2816
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:3768
    • 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:3148
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3148 -s 1776
          3⤵
          • Program crash
          PID:3592
      • 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\e68a16ad68d27165929ef7d7b259d1d85cfb766f167b4853c1c2bb3c508c12a0.exe" & Del /f /q "C:\Users\Admin\AppData\Local\Temp\e68a16ad68d27165929ef7d7b259d1d85cfb766f167b4853c1c2bb3c508c12a0.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4348
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.7 -n 3
          3⤵
          • Runs ping.exe
          PID:1684
        • C:\Windows\SysWOW64\fsutil.exe
          fsutil file setZeroData offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\e68a16ad68d27165929ef7d7b259d1d85cfb766f167b4853c1c2bb3c508c12a0.exe"
          3⤵
            PID:4660
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 1468
          2⤵
          • Program crash
          PID:3096
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1840
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1568 -ip 1568
        1⤵
          PID:5056
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3148 -ip 3148
          1⤵
            PID:2776

          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

            9aecb5b5a2ee191e6df5dd7d4e534c30

            SHA1

            fc67cf4c9c30f3579f927431bdc08960c08e5d4c

            SHA256

            80227371851be87b51fae5193fe196eb9b8931f6868d16e26f92067bc7c02413

            SHA512

            a749ad58b2e1319030d8f375b853c73145a0e6640071c14243d00f94d692024e963b06be7980282e8f4310e37dbba2dd435eea8391b68f7f71c54d3f48ff1028

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

            Filesize

            46KB

            MD5

            c15c6adc8c923ad87981f289025c37b2

            SHA1

            bfe6533f4afe3255046f7178f289a4c75ad89e76

            SHA256

            90f3a33919fdd766e90fd96f8f20a92c2d1376b7cfdc8b738c2f8e7e6c7498b1

            SHA512

            31dd03b208e00ac012fbe4189d5af1306cc8e3640d40efefab4aa1cabab3c4735eef0cb65e7750c3c77021934e145398e5e26389975cf36b193c8f622a5fde83

          • memory/1568-12-0x0000000000400000-0x0000000000AE4000-memory.dmp

            Filesize

            6.9MB

          • memory/1568-7-0x0000000000400000-0x0000000000AE4000-memory.dmp

            Filesize

            6.9MB

          • memory/1568-5-0x0000000000C60000-0x0000000000C9C000-memory.dmp

            Filesize

            240KB

          • memory/1568-4-0x0000000000400000-0x0000000000AE4000-memory.dmp

            Filesize

            6.9MB

          • memory/1568-1-0x0000000000400000-0x0000000000AE4000-memory.dmp

            Filesize

            6.9MB

          • memory/1568-0-0x0000000000400000-0x0000000000AE4000-memory.dmp

            Filesize

            6.9MB

          • memory/1568-9-0x0000000000400000-0x0000000000AE4000-memory.dmp

            Filesize

            6.9MB

          • memory/1568-11-0x0000000000400000-0x0000000000AE4000-memory.dmp

            Filesize

            6.9MB

          • memory/1568-2-0x0000000000400000-0x0000000000AE4000-memory.dmp

            Filesize

            6.9MB

          • memory/1568-6-0x0000000000477000-0x0000000000A87000-memory.dmp

            Filesize

            6.1MB

          • memory/1568-5525-0x0000000000400000-0x0000000000AE4000-memory.dmp

            Filesize

            6.9MB

          • memory/1568-6998-0x0000000000400000-0x0000000000AE4000-memory.dmp

            Filesize

            6.9MB

          • memory/1568-6999-0x0000000000400000-0x0000000000AE4000-memory.dmp

            Filesize

            6.9MB

          • memory/1568-7003-0x0000000000400000-0x0000000000AE4000-memory.dmp

            Filesize

            6.9MB

          • memory/1568-7004-0x0000000000400000-0x0000000000AE4000-memory.dmp

            Filesize

            6.9MB

          • memory/1568-7005-0x0000000000400000-0x0000000000AE4000-memory.dmp

            Filesize

            6.9MB

          • memory/1568-7007-0x0000000000400000-0x0000000000AE4000-memory.dmp

            Filesize

            6.9MB

          • memory/1568-3-0x0000000000CA0000-0x0000000000CA1000-memory.dmp

            Filesize

            4KB

          • memory/1568-7012-0x0000000000400000-0x0000000000AE4000-memory.dmp

            Filesize

            6.9MB

          • memory/1568-7013-0x0000000000477000-0x0000000000A87000-memory.dmp

            Filesize

            6.1MB