Analysis

  • max time kernel
    39s
  • max time network
    47s
  • 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, 04:05

General

  • Target
    1854def3463ceba21ad0d86592424845ce932e826419525bbbc543682fd2f9c9.exe
  • Size 75KB
  • Sample230222-enxpysbf3y
  • SHA256 1854def3463ceba21ad0d86592424845ce932e826419525bbbc543682fd2f9c9
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

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

Ransom Note
  • ALL YOUR DATA IS ENCRYPTED by QUANTUM What happened? All your files are encrypted on all devices across the network Huge volume of your data including financial, customer, partner and employees data was downloaded to our internal servers What's next? If you don't get in touch with us next 48 hours, we'll start publishing your data to the Data Leaks Portal / TOR Data Leaks Portal How do I recover? There is no way to decrypt your files manually unless we provide a special decryption tool Please download TOR browser and CONTACT US for further instructions Hours Minutes Seconds

Signatures

  • Quantum Ransomware

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

  • Modifies extensions of user files 5 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:\Users\Admin\AppData\Local\Temp\1854def3463ceba21ad0d86592424845ce932e826419525bbbc543682fd2f9c9.exe
    "C:\Users\Admin\AppData\Local\Temp\1854def3463ceba21ad0d86592424845ce932e826419525bbbc543682fd2f9c9.exe"
    1⤵
    • Modifies extensions of user files
    • Drops desktop.ini file(s)
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4624
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\\0E56B952.bat" "C:\Users\Admin\AppData\Local\Temp\1854def3463ceba21ad0d86592424845ce932e826419525bbbc543682fd2f9c9.exe""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4900
      • C:\Windows\system32\attrib.exe
        attrib -s -r -h "C:\Users\Admin\AppData\Local\Temp\1854def3463ceba21ad0d86592424845ce932e826419525bbbc543682fd2f9c9.exe"
        3⤵
        • Views/modifies file attributes
        PID:4324
  • 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:1596
    • 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,0x100,0xd8,0x104,0x7ff8658c46f8,0x7ff8658c4708,0x7ff8658c4718
      2⤵
        PID:4344
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2132,6995690896286235723,10170969073789560449,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2156 /prefetch:2
        2⤵
          PID:4424
        • 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=2132,6995690896286235723,10170969073789560449,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2296 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:4360
        • 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=2132,6995690896286235723,10170969073789560449,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2744 /prefetch:8
          2⤵
            PID:3468
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,6995690896286235723,10170969073789560449,131072 --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=3588 /prefetch:1
            2⤵
              PID:2148
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,6995690896286235723,10170969073789560449,131072 --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=3596 /prefetch:1
              2⤵
                PID:3656
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,6995690896286235723,10170969073789560449,131072 --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=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5340 /prefetch:1
                2⤵
                  PID:3900
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,6995690896286235723,10170969073789560449,131072 --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=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5356 /prefetch:1
                  2⤵
                    PID:3444
                  • 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=2132,6995690896286235723,10170969073789560449,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5592 /prefetch:8
                    2⤵
                      PID:5096
                    • 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:4108
                      • 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,0x7ff77fa55460,0x7ff77fa55470,0x7ff77fa55480
                        3⤵
                          PID:2436
                      • 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=2132,6995690896286235723,10170969073789560449,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5592 /prefetch:8
                        2⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:4280
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,6995690896286235723,10170969073789560449,131072 --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=5664 /prefetch:1
                        2⤵
                          PID:1588
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,6995690896286235723,10170969073789560449,131072 --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=5604 /prefetch:1
                          2⤵
                            PID:4452
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:1008

                          Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

                                README_TO_DECRYPT.html

                                • Path C:\Users\Admin\3D Objects\README_TO_DECRYPT.html
                                • Size 7KB
                                • SHA256 c3685c6906143c640c7ba6767ba0415c32d55dba9f0a2840d21324621835389b
                                • MD5 SHA1 SHA512 SSDEEP

                                settings.dat

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                • Size 152B
                                • SHA256 e1000099751602ae1adcec6f1c74e1d65f472936817b45239dfed4b043984296
                                • MD5 SHA1 SHA512

                                settings.dat

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                • Size 152B
                                • SHA256 cdb1db488e260ed750edfe1c145850b57ee8ab819d75237a167e673116a33ee8
                                • 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 bd8bcb49cef994f40002c0ecbf5b2c243992c2ec2cdcc2621237ee640d91ac83
                                • 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 5d29e8a0dc9755222299449030ea7b4aa9491200a6dd6ed184921336f0978709
                                • MD5 SHA1 SHA512 SSDEEP

                                Preferences

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                • Size 4KB
                                • SHA256 fc65f77beab60fbfb9a63a52998a886c4d61d88f704e85bc0d1831cefe7d5b13
                                • MD5 SHA1 SHA512 SSDEEP

                                Secure Preferences

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                • Size 24KB
                                • SHA256 552d3ed359b7a52278ce621674d16428d8a7969f6cd5663df18e240cce66aadc
                                • MD5 SHA1 SHA512 SSDEEP

                                CURRENT

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

                                CURRENT

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

                                Local State

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                • Size 9KB
                                • SHA256 b69694caae89f9a4df595d5f9c5ac40565997f1f521cd2543ae87b67b950201d
                                • MD5 SHA1 SHA512 SSDEEP

                                Local State

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                • Size 12KB
                                • SHA256 a12a47e3ee3419230afd7243ef4903d88d2a85202c439e3f497cababc2ca5d95
                                • MD5 SHA1 SHA512 SSDEEP

                                0E56B952.bat

                                • Path C:\Users\Admin\AppData\Local\Temp\0E56B952.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 d8dd1a144a62be26cf1610e57de9ad84617d8f7af71c65e4d28f691ae3fe6eca
                                • MD5 SHA1 SHA512

                                README_TO_DECRYPT.html

                                • Path C:\Users\Admin\Desktop\README_TO_DECRYPT.html
                                • Size 7KB
                                • SHA256 c3685c6906143c640c7ba6767ba0415c32d55dba9f0a2840d21324621835389b
                                • MD5 SHA1 SHA512 SSDEEP

                                memory/4424-385-0x00007FF882CD0000-0x00007FF882CD1000-memory.dmp