Analysis

  • max time kernel
    32s
  • max time network
    34s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-02-2023 04:17

General

  • Target

    8458e0c8dedee593b99025ec99ad7fa692b3302e5e2aa243920dd434b732c2b8.exe

  • Size

    75KB

  • MD5

    108b36a8250f1bb1d600d5d02106898c

  • SHA1

    6ca6566d0a6db3fae9a63d68e7fb7819a098d3d6

  • SHA256

    8458e0c8dedee593b99025ec99ad7fa692b3302e5e2aa243920dd434b732c2b8

  • SHA512

    8331edf61ed1d29c4eab2f283e8992e894863be5e327b35d4fe5d2a084e465b34c672f6c1a7e52ea12babce0f2328e7b56f68a51442375d3f3be1c56839225cb

  • SSDEEP

    1536:9aX51pVH9hsgNGLs6BLM1frxz/HTfcKKBaJGrSLYc:OfJGLs6BwNxnfTKsG8Y

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 6 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\8458e0c8dedee593b99025ec99ad7fa692b3302e5e2aa243920dd434b732c2b8.exe
    "C:\Users\Admin\AppData\Local\Temp\8458e0c8dedee593b99025ec99ad7fa692b3302e5e2aa243920dd434b732c2b8.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:3752
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\\0E56C51A.bat" "C:\Users\Admin\AppData\Local\Temp\8458e0c8dedee593b99025ec99ad7fa692b3302e5e2aa243920dd434b732c2b8.exe""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3784
      • C:\Windows\system32\attrib.exe
        attrib -s -r -h "C:\Users\Admin\AppData\Local\Temp\8458e0c8dedee593b99025ec99ad7fa692b3302e5e2aa243920dd434b732c2b8.exe"
        3⤵
        • Views/modifies file attributes
        PID:404
  • 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:2412
    • 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=0x100,0x104,0x108,0xd4,0x10c,0x7fffe59e46f8,0x7fffe59e4708,0x7fffe59e4718
      2⤵
        PID:4992
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2104,13016016342289593469,7499958659271859522,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2124 /prefetch:2
        2⤵
          PID:1876
        • 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=2104,13016016342289593469,7499958659271859522,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2252 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1120
        • 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=2104,13016016342289593469,7499958659271859522,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2644 /prefetch:8
          2⤵
            PID:4256
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,13016016342289593469,7499958659271859522,131072 --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=3300 /prefetch:1
            2⤵
              PID:3108
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,13016016342289593469,7499958659271859522,131072 --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=3308 /prefetch:1
              2⤵
                PID:932
              • 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=2104,13016016342289593469,7499958659271859522,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5340 /prefetch:8
                2⤵
                  PID:372
                • 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:1348
                  • 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,0x7ff753665460,0x7ff753665470,0x7ff753665480
                    3⤵
                      PID:4788
                  • 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=2104,13016016342289593469,7499958659271859522,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5340 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:872
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,13016016342289593469,7499958659271859522,131072 --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=5476 /prefetch:1
                    2⤵
                      PID:396
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,13016016342289593469,7499958659271859522,131072 --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=5424 /prefetch:1
                      2⤵
                        PID:5084
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,13016016342289593469,7499958659271859522,131072 --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=5140 /prefetch:1
                        2⤵
                          PID:4920
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,13016016342289593469,7499958659271859522,131072 --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=5512 /prefetch:1
                          2⤵
                            PID:3136
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:1500

                          Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

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                          Downloads

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

                            Filesize

                            7KB

                            MD5

                            60b9ec174ceee0c3ee3613d27a874479

                            SHA1

                            7f8ca6209d93eb3c44d7af7f621181f1e907c5ed

                            SHA256

                            dea9c7c4c6e6a710b5687f250f3d6bc81fe573978420ae826623afd6a2b308d6

                            SHA512

                            e8526574125370bcd2fa168fdecfdc0ba6407f25cea77bf6b6e7a8801ba7844736544daaca5578f4d5677d693ebe86e634ba933319f64964a5ec638875addd2d

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                            Filesize

                            152B

                            MD5

                            78c7656527762ed2977adf983a6f4766

                            SHA1

                            21a66d2eefcb059371f4972694057e4b1f827ce6

                            SHA256

                            e1000099751602ae1adcec6f1c74e1d65f472936817b45239dfed4b043984296

                            SHA512

                            0a8e58ae95163b3cdf8e81b5085887761e73cb7c836a1a6a972e837fb3df69b2ac70cfd6311d06d40656344ec35eb48e512f007561480f0345486ac2b329be0b

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                            Filesize

                            152B

                            MD5

                            099b4ba2787e99b696fc61528100f83f

                            SHA1

                            06e1f8b7391e1d548e49a1022f6ce6e7aa61f292

                            SHA256

                            cdb1db488e260ed750edfe1c145850b57ee8ab819d75237a167e673116a33ee8

                            SHA512

                            4309375e10785564ceb03e0127ced414e366a5b833f16a60d796471d871b479e4c044db5268902d9dfd14715ca577cb26042bab8f7b0f31fe8abf33947feb9d1

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Edge Profile.ico

                            Filesize

                            70KB

                            MD5

                            e5e3377341056643b0494b6842c0b544

                            SHA1

                            d53fd8e256ec9d5cef8ef5387872e544a2df9108

                            SHA256

                            e23040951e464b53b84b11c3466bbd4707a009018819f9ad2a79d1b0b309bc25

                            SHA512

                            83f09e48d009a5cf83fa9aa8f28187f7f4202c84e2d0d6e5806c468f4a24b2478b73077381d2a21c89aa64884df3c56e8dc94eb4ad2d6a8085ac2feb1e26c2ef

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Microsoft Edge.lnk

                            Filesize

                            2KB

                            MD5

                            fa5d5ab8002ac9e9ad37bbc56ab75050

                            SHA1

                            be5f23047b9545d178278f63faf9ad9d6fab4beb

                            SHA256

                            9bab64de8890b5c29eed894c6badf8b6fba05897409b226ef9a210e635675db4

                            SHA512

                            9fe995ce041585e26621d89a93bd9192f3ec9c3018ba34d80897983841e515f56e7690d6cc0719bba93861533d9c136270930af11ae21bf3da666d33adfb82a2

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State

                            Filesize

                            111B

                            MD5

                            285252a2f6327d41eab203dc2f402c67

                            SHA1

                            acedb7ba5fbc3ce914a8bf386a6f72ca7baa33c6

                            SHA256

                            5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026

                            SHA512

                            11ce7cb484fee66894e63c31db0d6b7ef66ad0327d4e7e2eb85f3bcc2e836a3a522c68d681e84542e471e54f765e091efe1ee4065641b0299b15613eb32dcc0d

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                            Filesize

                            5KB

                            MD5

                            c06bbce2369d61f4d9d5f21c476c93df

                            SHA1

                            4076f86eb929f39494c08ec2eb43540cd024b34b

                            SHA256

                            3ff3eb4ffeeff86d7def83026b2467ab5ecd2c470576299abcc779b4be26dc17

                            SHA512

                            3998991d1d331ae6871f1952c93151cf2dd00bd876885639feaa927645f726c2ee7e6fe3fb542d55fbb9f9c7f21cd099517dc6668da6c1ccea95c2a46f1f20c2

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences

                            Filesize

                            24KB

                            MD5

                            02ee7addc9e8a2d07af55556ebf0ff5c

                            SHA1

                            020161bb64ecb7c6e6886ccc055908984dc651d8

                            SHA256

                            552d3ed359b7a52278ce621674d16428d8a7969f6cd5663df18e240cce66aadc

                            SHA512

                            567989543c3848a0c3276d96b96ca761f750e4b71fb74f36d809f590ffe16a72fd5ece251737a8b1ffe65f0051e211bd7ad19d2b8b0b7ca1b7ffc86dd2a52883

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\d6a2fde0-43c6-4921-a3ef-c861790960d8.tmp

                            Filesize

                            5KB

                            MD5

                            bf9a89956cf04703099473c16c7cf2ba

                            SHA1

                            101785479c30db999983819c295ab9a1b825f0bf

                            SHA256

                            958c4bdf837c29714510c080c8ebf0c6aaa5dcbcddf59171a7fa3e24d57bc8a9

                            SHA512

                            f84d41eb6731fdd1712daa80db1e4806b526ae6f187c5dfa2752709be8ac9fbf932334d48d8a60636f74aeaa13e3948c5eb4b2a9f1e5bb319630ca06b8976fe1

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

                            Filesize

                            16B

                            MD5

                            206702161f94c5cd39fadd03f4014d98

                            SHA1

                            bd8bfc144fb5326d21bd1531523d9fb50e1b600a

                            SHA256

                            1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167

                            SHA512

                            0af09f26941b11991c750d1a2b525c39a8970900e98cba96fd1b55dbf93fee79e18b8aab258f48b4f7bda40d059629bc7770d84371235cdb1352a4f17f80e145

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\shared_proto_db\000001.dbtmp

                            Filesize

                            16B

                            MD5

                            46295cac801e5d4857d09837238a6394

                            SHA1

                            44e0fa1b517dbf802b18faf0785eeea6ac51594b

                            SHA256

                            0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

                            SHA512

                            8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\shared_proto_db\MANIFEST-000001

                            Filesize

                            41B

                            MD5

                            5af87dfd673ba2115e2fcf5cfdb727ab

                            SHA1

                            d5b5bbf396dc291274584ef71f444f420b6056f1

                            SHA256

                            f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4

                            SHA512

                            de34583a7dbafe4dd0dc0601e8f6906b9bc6a00c56c9323561204f77abbc0dc9007c480ffe4092ff2f194d54616caf50aecbd4a1e9583cae0c76ad6dd7c2375b

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

                            Filesize

                            9KB

                            MD5

                            8bc0258a23b7b713b772f770c4de0319

                            SHA1

                            e68a5e965015165f685c410722d91f47398d79ae

                            SHA256

                            2dedfc0211e31a3ee9bb8eecc62f36ce916f5c9ac12d4433e0d8711fe5ff1caf

                            SHA512

                            320c7f134455bfd413f00d8ab9cdc31e86c22d13040641b2c255faa3595b83e8902a288556be38cd0fdaa626bbf185f81ea11bb453f384838bc2f6f9f69e2f9a

                          • C:\Users\Admin\AppData\Local\Temp\0E56C51A.bat

                            Filesize

                            65B

                            MD5

                            348cae913e496198548854f5ff2f6d1e

                            SHA1

                            a07655b9020205bd47084afd62a8bb22b48c0cdc

                            SHA256

                            c80128f51871eec3ae2057989a025ce244277c1c180498a5aaef45d5214b8506

                            SHA512

                            799796736d41d3fcb5a7c859571bb025ca2d062c4b86e078302be68c1a932ed4f78e003640df5405274364b5a9a9c0ba5e37177997683ee7ab54e5267590b611

                          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\ccba5a5986c77e43.customDestinations-ms

                            Filesize

                            3KB

                            MD5

                            4246021f830fd36797e68e19e90aacc5

                            SHA1

                            dd58ca87001115f2c7d81291d8b7fd82610087bb

                            SHA256

                            0c23c4b0d8801f40937f1b63bda60b4728d7c7e13ad91292bd84712a9fd5720a

                            SHA512

                            b54682d6ca1d7f2635e273dc97ddcc226ac31b0b77ca57347d2dc53cd84267abd09add72021ac8b6b66592699f4bc16085626fe34e501565da84069624e7e258

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

                            Filesize

                            7KB

                            MD5

                            60b9ec174ceee0c3ee3613d27a874479

                            SHA1

                            7f8ca6209d93eb3c44d7af7f621181f1e907c5ed

                            SHA256

                            dea9c7c4c6e6a710b5687f250f3d6bc81fe573978420ae826623afd6a2b308d6

                            SHA512

                            e8526574125370bcd2fa168fdecfdc0ba6407f25cea77bf6b6e7a8801ba7844736544daaca5578f4d5677d693ebe86e634ba933319f64964a5ec638875addd2d

                          • memory/1876-375-0x00007FF803350000-0x00007FF803351000-memory.dmp

                            Filesize

                            4KB