Analysis

  • max time kernel
    31s
  • max time network
    26s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/02/2023, 02:42

General

  • Target
    1d64879bf7b1c7aea1d3c2c0171b31a329d026dc4e2f1c876d7ec7cae17bbc58.dll
  • Size 76KB
  • Sample230222-c653yabd5w
  • SHA256 1d64879bf7b1c7aea1d3c2c0171b31a329d026dc4e2f1c876d7ec7cae17bbc58
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Path
  • C:\Users\Admin\3D Objects\README_TO_DECRYPT.html

  • quantum

Ransom Note
  • <html> <head> <title>Quantum</title> </head> <body> <h1>Your ID:</h1> <b> <pre> 5f9d05e06bea5711acba31a7b1740c807dd89d7c38d74d6648ea0fb0e5dc0d35 </pre> </b> <hr/> This message contains an information how to fix the troubles you've got with your network.<br><br> Files on the workstations in your network were encrypted and any your attempt to change, decrypt or rename them could destroy the content.<br> The only way to get files back is a decryption with Key, provided by the Quantum Locker.<br><br> During the period your network was under our control, we downloaded a huge volume of information.<br> Now it is stored on our servers with high-secure access. This information contains a lot of sensitive, private and personal data.<br> Publishing of such data will cause serious consequences and even business disruption.<br><br> It's not a threat, on the contrary - it's a manual how to get a way out.<br> Quantum team doesn't aim to damage your company, our goals are only financial.<br><br> After a payment you'll get network decryption, full destruction of downloaded data, information about your network vulnerabilities and penetration points.<br> If you decide not to negotiate, in 48 hours the fact of the attack and all your information will be posted on our site and will be promoted among dozens of cyber forums, news agencies, websites etc.<br><br> To contact our support and start the negotiations, please visit our support chat.<br> It is simple, secure and you can set a password to avoid intervention of unauthorised persons.<br> <a href="http://iwwbtudyckekvukw7462v32ugqgnzzzaxsyw5yfxhe24ok5hbc46x6qd.onion/?cid=5f9d05e06bea5711acba31a7b1740c807dd89d7c38d74d6648ea0fb0e5dc0d35">http://iwwbtudyckekvukw7462v32ugqgnzzzaxsyw5yfxhe24ok5hbc46x6qd.onion/?cid=5f9d05e06bea5711acba31a7b1740c807dd89d7c38d74d6648ea0fb0e5dc0d35</a> <ul> <li>Password field should be blank for the first login. <li>Note that this server is available via Tor browser only. </ul> P.S. How to get TOR browser - see at https://www.torproject.org </body> </html>

Extracted

Path
  • C:\Users\Admin\Desktop\README_TO_DECRYPT.html

  • quantum

Ransom Note
  • Your ID: This message contains an information how to fix the troubles you've got with your network. Files on the workstations in your network were encrypted and any your attempt to change, decrypt or rename them could destroy the content. The only way to get files back is a decryption with Key, provided by the Quantum Locker. During the period your network was under our control, we downloaded a huge volume of information. Now it is stored on our servers with high-secure access. This information contains a lot of sensitive, private and personal data. Publishing of such data will cause serious consequences and even business disruption. It's not a threat, on the contrary - it's a manual how to get a way out. Quantum team doesn't aim to damage your company, our goals are only financial. After a payment you'll get network decryption, full destruction of downloaded data, information about your network vulnerabilities and penetration points. If you decide not to negotiate, in 48 hours the fact of the attack and all your information will be posted on our site and will be promoted among dozens of cyber forums, news agencies, websites etc. To contact our support and start the negotiations, please visit our support chat. It is simple, secure and you can set a password to avoid intervention of unauthorised persons. http://iwwbtudyckekvukw7462v32ugqgnzzzaxsyw5yfxhe24ok5hbc46x6qd.onion/?cid=5f9d05e06bea5711acba31a7b1740c807dd89d7c38d74d6648ea0fb0e5dc0d35 Password field should be blank for the first login. Note that this server is available via Tor browser only. P.S. How to get TOR browser - see at https://www.torproject.org
URLs
  • http://iwwbtudyckekvukw7462v32ugqgnzzzaxsyw5yfxhe24ok5hbc46x6qd.onion/?cid=5f9d05e06bea5711acba31a7b1740c807dd89d7c38d74d6648ea0fb0e5dc0d35

Signatures

  • Quantum Ransomware

    A rebrand of the MountLocker ransomware first seen in August 2021.

  • Modifies extensions of user files 13 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Drops desktop.ini file(s) 25 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 11 IoCs
  • Suspicious use of SendNotifyMessage 8 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\1d64879bf7b1c7aea1d3c2c0171b31a329d026dc4e2f1c876d7ec7cae17bbc58.dll,#1
    1⤵
    • Modifies extensions of user files
    • Drops desktop.ini file(s)
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2560
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\\0E56B098.bat" "C:\Users\Admin\AppData\Local\Temp\1d64879bf7b1c7aea1d3c2c0171b31a329d026dc4e2f1c876d7ec7cae17bbc58.dll""
      2⤵
        PID:3272
        • C:\Windows\system32\attrib.exe
          attrib -s -r -h "C:\Users\Admin\AppData\Local\Temp\1d64879bf7b1c7aea1d3c2c0171b31a329d026dc4e2f1c876d7ec7cae17bbc58.dll"
          3⤵
          • Views/modifies file attributes
          PID:3884
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\Desktop\README_TO_DECRYPT.html
      1⤵
      • Enumerates system info in registry
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4460
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7ffcb0d046f8,0x7ffcb0d04708,0x7ffcb0d04718
        2⤵
          PID:5032
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2124,7638857964099825123,12946791027473431277,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2180 /prefetch:2
          2⤵
            PID:4856
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2124,7638857964099825123,12946791027473431277,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2232 /prefetch:3
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:2116
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2124,7638857964099825123,12946791027473431277,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2684 /prefetch:8
            2⤵
              PID:1708
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,7638857964099825123,12946791027473431277,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3584 /prefetch:1
              2⤵
                PID:4432
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,7638857964099825123,12946791027473431277,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3572 /prefetch:1
                2⤵
                  PID:1232
                • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2124,7638857964099825123,12946791027473431277,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5320 /prefetch:8
                  2⤵
                    PID:2564
                  • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --configure-user-settings --verbose-logging --system-level --msedge --force-configure-user-settings
                    2⤵
                    • Drops file in Program Files directory
                    PID:1760
                    • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x220,0x224,0x228,0x1fc,0x22c,0x7ff620375460,0x7ff620375470,0x7ff620375480
                      3⤵
                        PID:2604
                    • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2124,7638857964099825123,12946791027473431277,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5320 /prefetch:8
                      2⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:1932
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,7638857964099825123,12946791027473431277,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5540 /prefetch:1
                      2⤵
                        PID:1316
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,7638857964099825123,12946791027473431277,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5572 /prefetch:1
                        2⤵
                          PID:2656
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,7638857964099825123,12946791027473431277,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5360 /prefetch:1
                          2⤵
                            PID:936
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,7638857964099825123,12946791027473431277,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5780 /prefetch:1
                            2⤵
                              PID:4124
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:1772

                            Network

                                  MITRE ATT&CK Enterprise v6

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  README_TO_DECRYPT.html

                                  • Path C:\Users\Admin\3D Objects\README_TO_DECRYPT.html
                                  • Size 2KB
                                  • SHA256 b2ee0d7a2cd15e91c0bdd9d982b9b4477ba439ef5a394d4d8f2a5d9dac37be3e
                                  • MD5 SHA1 SHA512

                                  settings.dat

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                  • Size 152B
                                  • SHA256 1654b27bfaeee49bfe56e0c4c0303418f4887f3ea1933f03cafce10352321aef
                                  • MD5 SHA1 SHA512

                                  settings.dat

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                  • Size 152B
                                  • SHA256 0d73ba3eea4c552ce3ffa767e4cd5fff4e459e543756987ab5d55f1e6d963f48
                                  • MD5 SHA1 SHA512

                                  Edge Profile.ico

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Edge Profile.ico
                                  • Size 70KB
                                  • SHA256 e23040951e464b53b84b11c3466bbd4707a009018819f9ad2a79d1b0b309bc25
                                  • MD5 SHA1 SHA512 SSDEEP

                                  MANIFEST-000001

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Extension State\MANIFEST-000001
                                  • Size 41B
                                  • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                                  • MD5 SHA1 SHA512

                                  Microsoft Edge.lnk

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Microsoft Edge.lnk
                                  • Size 2KB
                                  • SHA256 22d224ac43b4df709248e700e9dbfa68bc0c352616bd2602ec95aeea3fceb154
                                  • MD5 SHA1 SHA512

                                  Network Persistent State

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State
                                  • Size 111B
                                  • SHA256 5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026
                                  • MD5 SHA1 SHA512

                                  Preferences

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                  • Size 5KB
                                  • SHA256 a1effa1f89138fa96843b2425e1a545f853b01c51e9d679e26d8e66e922e7161
                                  • MD5 SHA1 SHA512 SSDEEP

                                  Preferences

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                  • Size 4KB
                                  • SHA256 6aafb3b2fe667cf9370bc655983cb3ba891d6013ecda19fc3101463468ad4f7b
                                  • MD5 SHA1 SHA512 SSDEEP

                                  Secure Preferences

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                  • Size 24KB
                                  • SHA256 15c77bafd922bd085317fd544d0fa129e3b8c814e3ba0d48936366004427732e
                                  • MD5 SHA1 SHA512 SSDEEP

                                  CURRENT

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Session Storage\CURRENT
                                  • Size 16B
                                  • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                                  • MD5 SHA1 SHA512

                                  CURRENT

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
                                  • Size 16B
                                  • SHA256 1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167
                                  • MD5 SHA1 SHA512

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                  • Size 9KB
                                  • SHA256 23e3dc6a78f9e7f9507374ffc6efc759ea23927096bf72ec2536e2c3b1e4a152
                                  • MD5 SHA1 SHA512 SSDEEP

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                  • Size 12KB
                                  • SHA256 db60c5051af17815fd23777827448738c52094ad183926ded3d852454f0300a6
                                  • MD5 SHA1 SHA512 SSDEEP

                                  0E56B098.bat

                                  • Path C:\Users\Admin\AppData\Local\Temp\0E56B098.bat
                                  • Size 65B
                                  • SHA256 c80128f51871eec3ae2057989a025ce244277c1c180498a5aaef45d5214b8506
                                  • MD5 SHA1 SHA512

                                  ccba5a5986c77e43.customDestinations-ms

                                  • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\ccba5a5986c77e43.customDestinations-ms
                                  • Size 3KB
                                  • SHA256 53c52e206005863791fef097e52a63a87207c8b613496ecacd2db5aacc70e1ba
                                  • MD5 SHA1 SHA512

                                  README_TO_DECRYPT.html

                                  • Path C:\Users\Admin\Desktop\README_TO_DECRYPT.html
                                  • Size 2KB
                                  • SHA256 b2ee0d7a2cd15e91c0bdd9d982b9b4477ba439ef5a394d4d8f2a5d9dac37be3e
                                  • MD5 SHA1 SHA512

                                  memory/4856-387-0x00007FFCCD380000-0x00007FFCCD381000-memory.dmp