Analysis

  • max time kernel
    65s
  • max time network
    66s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    07-09-2024 13:51

General

  • Target

    https://z-lib.io/book/13444940

Malware Config

Signatures

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Checks processor information in registry 2 TTPs 8 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 21 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url "https://z-lib.io/book/13444940"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4648
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url https://z-lib.io/book/13444940
      2⤵
      • Checks processor information in registry
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2776
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=2004 -parentBuildID 20240401114208 -prefsHandle 1920 -prefMapHandle 1912 -prefsLen 23678 -prefMapSize 244658 -appDir "C:\Program Files\Mozilla Firefox\browser" - {4ebdef00-4835-4bd1-91b2-444b26ae5e3a} 2776 "\\.\pipe\gecko-crash-server-pipe.2776" gpu
        3⤵
          PID:244
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=2416 -parentBuildID 20240401114208 -prefsHandle 2408 -prefMapHandle 2404 -prefsLen 24598 -prefMapSize 244658 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {f9f2efe9-5e7a-43b9-81ab-7e3293abfe09} 2776 "\\.\pipe\gecko-crash-server-pipe.2776" socket
          3⤵
            PID:3628
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=3248 -childID 1 -isForBrowser -prefsHandle 3260 -prefMapHandle 2820 -prefsLen 22652 -prefMapSize 244658 -jsInitHandle 936 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {b513864b-de71-4034-abc2-a2343d57c000} 2776 "\\.\pipe\gecko-crash-server-pipe.2776" tab
            3⤵
              PID:1868
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=3644 -childID 2 -isForBrowser -prefsHandle 3636 -prefMapHandle 2696 -prefsLen 29088 -prefMapSize 244658 -jsInitHandle 936 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {ecfd5e7a-5c8f-4b03-9a11-d8ec5c12ccca} 2776 "\\.\pipe\gecko-crash-server-pipe.2776" tab
              3⤵
                PID:4468
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=4704 -parentBuildID 20240401114208 -sandboxingKind 0 -prefsHandle 4696 -prefMapHandle 4692 -prefsLen 29088 -prefMapSize 244658 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {43e60c53-770c-4c77-aaa3-0318fca02955} 2776 "\\.\pipe\gecko-crash-server-pipe.2776" utility
                3⤵
                • Checks processor information in registry
                PID:4992
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5260 -childID 3 -isForBrowser -prefsHandle 5248 -prefMapHandle 5272 -prefsLen 26944 -prefMapSize 244658 -jsInitHandle 936 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {7734eef2-f4c6-41ab-b703-d20b780fbef7} 2776 "\\.\pipe\gecko-crash-server-pipe.2776" tab
                3⤵
                  PID:3468
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5416 -childID 4 -isForBrowser -prefsHandle 5216 -prefMapHandle 5220 -prefsLen 26944 -prefMapSize 244658 -jsInitHandle 936 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {e007b3ff-b7e8-4e40-a9dc-8a3dd379e8d8} 2776 "\\.\pipe\gecko-crash-server-pipe.2776" tab
                  3⤵
                    PID:3600
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5620 -childID 5 -isForBrowser -prefsHandle 5540 -prefMapHandle 5548 -prefsLen 26944 -prefMapSize 244658 -jsInitHandle 936 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {4d89478a-ed5a-480a-bf5f-b111f26e00fd} 2776 "\\.\pipe\gecko-crash-server-pipe.2776" tab
                    3⤵
                      PID:2152
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=4520 -childID 6 -isForBrowser -prefsHandle 4508 -prefMapHandle 4352 -prefsLen 29570 -prefMapSize 244658 -jsInitHandle 936 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {1cf76c0b-d273-454d-bc72-15d6135fab92} 2776 "\\.\pipe\gecko-crash-server-pipe.2776" tab
                      3⤵
                        PID:1712

                  Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\r5m741b5.default-release\activity-stream.discovery_stream.json

                    Filesize

                    39KB

                    MD5

                    f869aa3b29f212d4f41bf858cfc5631b

                    SHA1

                    1e39e5d6c75bc73dc915c4f2028b41ac703bd5b6

                    SHA256

                    9083b7f1a3e0dd8812523dcb9a3a1517cb65cf5d41cd3fca73c27715afc68862

                    SHA512

                    1cf9f6d733565cd8c707c581c54e8b8a044988140b1fd2958dfe9564c9ca2ff323929b0151276e6c498aa7ba3b6f0db27dc4f2bc12805121acde10945048a525

                  • C:\Users\Admin\AppData\Local\Temp\tmpaddon

                    Filesize

                    479KB

                    MD5

                    09372174e83dbbf696ee732fd2e875bb

                    SHA1

                    ba360186ba650a769f9303f48b7200fb5eaccee1

                    SHA256

                    c32efac42faf4b9878fb8917c5e71d89ff40de580c4f52f62e11c6cfab55167f

                    SHA512

                    b667086ed49579592d435df2b486fe30ba1b62ddd169f19e700cd079239747dd3e20058c285fa9c10a533e34f22b5198ed9b1f92ae560a3067f3e3feacc724f1

                  • C:\Users\Admin\AppData\Local\Temp\tmpaddon-1

                    Filesize

                    13.8MB

                    MD5

                    0a8747a2ac9ac08ae9508f36c6d75692

                    SHA1

                    b287a96fd6cc12433adb42193dfe06111c38eaf0

                    SHA256

                    32d544baf2facc893057a1d97db33207e642f0dacf235d8500a0b5eff934ce03

                    SHA512

                    59521f8c61236641b3299ab460c58c8f5f26fa67e828de853c2cf372f9614d58b9f541aae325b1600ec4f3a47953caacb8122b0dfce7481acfec81045735947d

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r5m741b5.default-release\AlternateServices.bin

                    Filesize

                    6KB

                    MD5

                    67f5aebb53d7bfe185423128a8d577d9

                    SHA1

                    ce497e5eb0ac9be84796ec6238308dfd2c99be64

                    SHA256

                    5fac4b4928c6c80ed90562fe47ca7ecd0e1f47e444ee9a3f95287dbee845ec7b

                    SHA512

                    51c1921b0460de4d8e006df73f376996312100d99595f12020bd73501cf31197860900f7692efba85004e345284a5465cec679771a57250f7433a4ec4f4fbc49

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r5m741b5.default-release\AlternateServices.bin

                    Filesize

                    6KB

                    MD5

                    974d1b7b0793060b6a798cc9d0fc80dc

                    SHA1

                    98f6eb84fcc7849359e88a5168b0e10b74940a44

                    SHA256

                    294428c39dca3155d8eca83c6a9723d574b2b5c5044d7a955d2876286eeb2c06

                    SHA512

                    20a06b0da8221a4323ac45b88e1c9adae0d501005ff11331da2660991501bd4d3845a11fed863adfe6e3036e6ddfa6348ca7e80b87996a837f6c5ff71ffdbe74

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r5m741b5.default-release\AlternateServices.bin

                    Filesize

                    11KB

                    MD5

                    ca693a8931dddaaf01f32a414625d87e

                    SHA1

                    eea4f366f69e64e354c4f12ea52421e9ae2f934a

                    SHA256

                    991f2d71e1bd29ea8f693ffea8455c6654d85fc28126c101fc60b63e75f9cd82

                    SHA512

                    0dd7bb95d9fdcde98f67385a824ad26e21c5e30eada4cc27cb7fb03afbaea3997bb018c105bef0e6e492e4a59c8c7e8bdfbb67b76506341cff502e62ef3a570a

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r5m741b5.default-release\datareporting\glean\db\data.safe.tmp

                    Filesize

                    5KB

                    MD5

                    434164e1a16a08df46301ae749e4dce4

                    SHA1

                    5da11c5eb56f5ec17a4b78ee4c5b50c8c133f5e5

                    SHA256

                    1a656f9a93a09391079a00d04120c9a02a746e974c2ff751723fdef51b2f4099

                    SHA512

                    1fa4051835d044041ecb551c70645884fcb112f1f5d0829951f687c45fd71d1830ee540f57eb080acc451f4b22bea1fe9c299f431ea2f31ba67229a73e0a38ec

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r5m741b5.default-release\datareporting\glean\db\data.safe.tmp

                    Filesize

                    5KB

                    MD5

                    5974e187d32f2953faf8c8294c464d54

                    SHA1

                    90f92de18f63d066f3f859eabf787ccdc445e4fb

                    SHA256

                    85c7c34127c1b4c8bfc54f0aa6132915f9b1e3e49bfd5939d2a58acb008bfb50

                    SHA512

                    8d6f6e10039f273ad9a892fd0f8c2e72e1c5181ee8a14a30321d2883ceaa63eaf2fe5f582a84847d7d8c474d7265e1372bc0d65b51cb5249508f35783862485d

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r5m741b5.default-release\datareporting\glean\db\data.safe.tmp

                    Filesize

                    7KB

                    MD5

                    b87db223d5fc54dba39dffec03d6d8d6

                    SHA1

                    976d731181e83a28329dee8e9297fd3f75ed471c

                    SHA256

                    d5d86c4633354aa775eadb8c232dbb022ed0f3e0d948e446aa81776de94b3cba

                    SHA512

                    fc305e02e6f3d1c85517cafc5ba512b4c0176a2a30dd5799e090c3b8760e7d759d36a13333c3525e851ccb97ae57988b2bf3791a5b2d4cf8db0b7f078a50682c

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r5m741b5.default-release\datareporting\glean\pending_pings\10e80a91-779c-4fe6-8988-24f92985ea0b

                    Filesize

                    982B

                    MD5

                    02b9fd692919cf7c5e9182e73aeff09b

                    SHA1

                    6e8a237c1e6b3d31ca4ec6d373b434aaa531340b

                    SHA256

                    0a057b78635b7a1de06e0b26a72ccac3fd30b01b943d8b8caf62d54f78de04be

                    SHA512

                    f7ffd008ebde7ce5e852e8785c5ae06e750d9e88c5eb2b846a851ef4329275245cbc6d299775e04c6e3377f8a78dc46b288fdce3227e74457322433ebab1f47c

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r5m741b5.default-release\datareporting\glean\pending_pings\81a68ce1-b0fe-4c86-bb6c-c1d15b61e9a2

                    Filesize

                    25KB

                    MD5

                    1bdfe87d65052cd460a03972332bd354

                    SHA1

                    ef9e741c7597a69222a652ece107847a8856ab36

                    SHA256

                    4745eb0cefbc02fe3688ffa0a994e0ffa008c2ec83bf27414851751323bb763e

                    SHA512

                    394764ba94cb68c39d274dfdd94331a82a5f4959b891a21cfd9d428c90004bd5a53586be0b056bda42c05b36a1310acc5ebf915352d44db4843ae4949bd89b5e

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r5m741b5.default-release\datareporting\glean\pending_pings\cb6d6b53-864d-48c7-8bab-a478001179bb

                    Filesize

                    671B

                    MD5

                    b6bef340a4984e56599814b168a0280a

                    SHA1

                    0cb3d8bcc2318c3c6a61d7a8011a7ba61a4a6c1c

                    SHA256

                    2d6c8bcfbe42eb38c651b34f75bca58d177bafeea40bf7dbe1e0b2d72302c1f9

                    SHA512

                    bb2668141d5a200a7b7ca9398185714936fc1c1551b486caf702b6b5f277cc144a9ec25b9185d44ca4aaaa8e122ed2eb079e5663672cb4c819bcd8a91af1007c

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r5m741b5.default-release\gmp-gmpopenh264\2.3.2\gmpopenh264.dll

                    Filesize

                    1.1MB

                    MD5

                    842039753bf41fa5e11b3a1383061a87

                    SHA1

                    3e8fe1d7b3ad866b06dca6c7ef1e3c50c406e153

                    SHA256

                    d88dd3bfc4a558bb943f3caa2e376da3942e48a7948763bf9a38f707c2cd0c1c

                    SHA512

                    d3320f7ac46327b7b974e74320c4d853e569061cb89ca849cd5d1706330aca629abeb4a16435c541900d839f46ff72dfde04128c450f3e1ee63c025470c19157

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r5m741b5.default-release\gmp-gmpopenh264\2.3.2\gmpopenh264.info

                    Filesize

                    116B

                    MD5

                    2a461e9eb87fd1955cea740a3444ee7a

                    SHA1

                    b10755914c713f5a4677494dbe8a686ed458c3c5

                    SHA256

                    4107f76ba1d9424555f4e8ea0acef69357dfff89dfa5f0ec72aa4f2d489b17bc

                    SHA512

                    34f73f7bf69d7674907f190f257516e3956f825e35a2f03d58201a5a630310b45df393f2b39669f9369d1ac990505a4b6849a0d34e8c136e1402143b6cedf2d3

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r5m741b5.default-release\gmp-widevinecdm\4.10.2710.0\manifest.json

                    Filesize

                    372B

                    MD5

                    bf957ad58b55f64219ab3f793e374316

                    SHA1

                    a11adc9d7f2c28e04d9b35e23b7616d0527118a1

                    SHA256

                    bbab6ca07edbed72a966835c7907b3e60c7aa3d48ddea847e5076bd05f4b1eda

                    SHA512

                    79c179b56e4893fb729b225818ab4b95a50b69666ac41d17aad0b37ab0ca8cd9f0848cbc3c5d9e69e4640a8b261d7ced592eae9bcb0e0b63c05a56e7c477f44e

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r5m741b5.default-release\gmp-widevinecdm\4.10.2710.0\widevinecdm.dll

                    Filesize

                    17.8MB

                    MD5

                    daf7ef3acccab478aaa7d6dc1c60f865

                    SHA1

                    f8246162b97ce4a945feced27b6ea114366ff2ad

                    SHA256

                    bc40c7821dcd3fea9923c6912ab1183a942c11b7690cfd79ed148ded0228777e

                    SHA512

                    5840a45cfdb12c005e117608b1e5d946e1b2e76443ed39ba940d7f56de4babeab09bee7e64b903eb82bb37624c0a0ef19e9b59fbe2ce2f0e0b1c7a6015a63f75

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r5m741b5.default-release\prefs-1.js

                    Filesize

                    11KB

                    MD5

                    9b559728f9e646b31373b75e68dad91a

                    SHA1

                    73eb7b3bef85b5bbba74fb2d1eeb509d11af2752

                    SHA256

                    6663339d871e4f425356fd6d8a747ded878bd5f78e6920b420bec3e99c7e576d

                    SHA512

                    82e3321385c33466e10017f7c35d00b2c588bb886ade997d4a3b3016b37acec66838737364266d09b6eddaf8757f1864a4ecab31aff7cf09f49d74da6b7e4d94

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r5m741b5.default-release\prefs-1.js

                    Filesize

                    11KB

                    MD5

                    b3ce747ee62da7329fd8bfb46f8d2abf

                    SHA1

                    ee5c1af92a2ef7f94b2e2f281f5406ef69f55aee

                    SHA256

                    65faab21e66b689564e0410dfd554adf831bf74654a1162c1ce9f67398c94768

                    SHA512

                    059040bc2f2121bc1455f62db03c048cef60061075fa090a95a416da2d86b6a2fd578783dc65fd48acca8ca1affe81944396ddaea77ab55085e7f73789386dd8

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r5m741b5.default-release\prefs-1.js

                    Filesize

                    11KB

                    MD5

                    adf3a3ddb672d08655ddf3db1d29f268

                    SHA1

                    f5882137b4498775dbe76033e6b2efc7d2ec3733

                    SHA256

                    473aaf49929864c95a80d7a103645ee857d9980861f4242740b7b81081d05d6e

                    SHA512

                    411a55814be65bf16e2e16f4735f59edf12c888ca5990e5ed9ecad3ea99c70d7ac8fccd93d41f884b3690c7096cad4b008d78f1e3b893c76ec5241abebe4a8bb

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r5m741b5.default-release\prefs-1.js

                    Filesize

                    10KB

                    MD5

                    58ff1dc82a0c9ab3daaf1440acfd818a

                    SHA1

                    43e75d20b831288d8e2cf9405c9317c01e0a2d95

                    SHA256

                    88235c0c6122aa2a39ac38222c7b12bed8ca8243583b7e4553ab094fc4b72d05

                    SHA512

                    62db45f39fc05177aacbe2bbbf04465b8cc283eda29bfd51bdda49ef49e7de9f0761a3478de0ea2e148791882d45a6691dbda5d1754d050c30fd748f38a45284

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r5m741b5.default-release\prefs.js

                    Filesize

                    10KB

                    MD5

                    d12fcef064d3d707ac5ed2e568afd104

                    SHA1

                    4d7ec4daefaafd233a7b5e272a2b19d3a72573c8

                    SHA256

                    0d87c840fde22e71083e297e58bbca0b123944c69d4387ca75f126dd10d2d70f

                    SHA512

                    d361d7b36ba9d9ef0426422af528b0f187b9923df95aa8515920c9f2f786bb132823cd7920ed282d04c87416cf6612534a4fbe33849ad94ca5b9df873e7cf29a

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r5m741b5.default-release\sessionstore-backups\recovery.baklz4

                    Filesize

                    1KB

                    MD5

                    1848bc27a40a57ab8f2fa2e76d180d02

                    SHA1

                    606676dbf390a386193e9d376af8a1c022372d70

                    SHA256

                    83136f0633fd0fbf614a8303aa390a7c8e9befdbaf49a63a0e992099b319f759

                    SHA512

                    33dcd89a33a014b6bf34c431d41db4ed113862081c90411e594c4f08bcc8119da2f97f6dcaae765043ad89648e310a5f7419b626654bfd627c68c48773f710ba

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r5m741b5.default-release\sessionstore-backups\recovery.baklz4

                    Filesize

                    2KB

                    MD5

                    9fea7ee37e51096d3769d8001a57c03f

                    SHA1

                    ffaf7ab6452349fd435396ad499b3a82a70acbe7

                    SHA256

                    6631946816164059dec783dde528919351705c69cc805aa68da29ae9e4549b3a

                    SHA512

                    0624a03f93c8e55f7f6c13b76c36f9be823d3a585eb928f82c8173d54d38afed7d057552ac46dc07ad8831b00e4e6df3729e51460188165c9f0647669a703cd8