Analysis

  • max time kernel
    159s
  • max time network
    168s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/08/2026, 02:50

General

  • Target
    2026-08-05_b845637d460673f79e186ae51930c8ce_amadey_cobalt-strike_elex_glassworm_hijackloader_luca-stealer_lynx_njrat.exe
  • Size 519KB
  • Sample260805-db43tswgph
  • SHA256 aa5140eeb838c3c3b5e48831914ca6448b4cb3d7f3441c24b07e64be75d3bc65
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Downloads MZ/PE file 3 IoCs
  • Executes dropped EXE 10 IoCs
  • Loads dropped DLL 10 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 64 IoCs
  • Drops file in Windows directory 21 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 17 IoCs
  • Modifies Internet Explorer start page 1 TTPs 1 IoCs
  • Modifies registry class 12 IoCs
  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 60 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-05_b845637d460673f79e186ae51930c8ce_amadey_cobalt-strike_elex_glassworm_hijackloader_luca-stealer_lynx_njrat.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-05_b845637d460673f79e186ae51930c8ce_amadey_cobalt-strike_elex_glassworm_hijackloader_luca-stealer_lynx_njrat.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1132
    • C:\Users\Admin\AppData\Local\Temp\Yandex.exe
      "C:\Users\Admin\AppData\Local\Temp\Yandex.exe" --partner 108498 --distr /quiet /msicl "YAHOMEPAGE=y YAQSEARCH=y YABROWSER=y VID=282"
      2⤵
      • Downloads MZ/PE file
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:4688
      • C:\Users\Admin\AppData\Local\Temp\7F4987FB1A6E43d69E3E94B29EB75926\YandexPackSetup.exe
        "C:\Users\Admin\AppData\Local\Temp\7F4987FB1A6E43d69E3E94B29EB75926\YandexPackSetup.exe" /quiet /msicl "YAHOMEPAGE=y YAQSEARCH=y YABROWSER=y VID=282"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:5328
      • C:\Users\Admin\AppData\Local\Temp\Yandex.exe
        C:\Users\Admin\AppData\Local\Temp\Yandex.exe --stat dwnldr/p=108498/cnt=1/dt=1/ct=1/rt=0 --dh 2480 --st 1785898327
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4364
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4412
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 5D316EC99FF815D987FAD3A8480705A7
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2988
      • C:\Users\Admin\AppData\Local\Temp\2462E8E7-E1BE-47F2-979D-226CE04F4291\lite_installer.exe
        "C:\Users\Admin\AppData\Local\Temp\2462E8E7-E1BE-47F2-979D-226CE04F4291\lite_installer.exe" --use-user-default-locale --silent --remote-url=http://downloader.yandex.net/downloadable_soft/browser/pseudoportal-ru/Yandex.exe --cumtom-welcome-page=https://browser.yandex.ru/promo/welcome_com/5/ --YABROWSER
        3⤵
        • Downloads MZ/PE file
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        PID:3244
      • C:\Users\Admin\AppData\Local\Temp\C99DE48B-9CC4-454C-948A-7D83ED312BD1\seederexe.exe
        "C:\Users\Admin\AppData\Local\Temp\C99DE48B-9CC4-454C-948A-7D83ED312BD1\seederexe.exe" "--yqs=y" "--yhp=y" "--ilight=" "--oem=" "--nopin=n" "--pin_custom=n" "--pin_desktop=n" "--pin_taskbar=y" "--locale=us" "--browser=y" "--browser_default=" "--loglevel=trace" "--ess=" "--clids=C:\Users\Admin\AppData\Local\Temp\clids-yasearch.xml" "--sender=C:\Users\Admin\AppData\Local\Temp\F6B369D2-5844-4DAB-B28B-51832D50D4A3\sender.exe" "--is_elevated=yes" "--ui_level=2" "--good_token=x" "--no_opera=n"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Modifies Internet Explorer start page
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4284
        • C:\Users\Admin\AppData\Local\Yandex\YaPin\Yandex.exe
          C:\Users\Admin\AppData\Local\Yandex\YaPin\Yandex.exe --silent --pin-taskbar=y --pin-desktop=n
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4824
          • C:\Users\Admin\AppData\Local\Temp\pin\explorer.exe
            C:\Users\Admin\AppData\Local\Yandex\YaPin\Yandex.exe --silent --pin-taskbar=y --pin-desktop=n /pin-path="C:\Users\Admin\AppData\Local\Yandex\YaPin\Yandex.lnk" --is-pinning
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:4120
        • C:\Users\Admin\AppData\Local\Temp\F6B369D2-5844-4DAB-B28B-51832D50D4A3\sender.exe
          C:\Users\Admin\AppData\Local\Temp\F6B369D2-5844-4DAB-B28B-51832D50D4A3\sender.exe --send "/status.xml?clid=2765538-282&uuid=24d3efa2-4ea1-4af9-965f-4dfab70f6dd7&vnt=Windows 11x64&file-no=8%0A10%0A11%0A12%0A13%0A15%0A17%0A18%0A20%0A21%0A22%0A25%0A36%0A40%0A42%0A45%0A57%0A61%0A89%0A102%0A103%0A111%0A123%0A124%0A125%0A"
          4⤵
          • Executes dropped EXE
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:5652
  • C:\Users\Admin\AppData\Local\Temp\F6B369D2-5844-4DAB-B28B-51832D50D4A3\sender.exe
    "C:\Users\Admin\AppData\Local\Temp\F6B369D2-5844-4DAB-B28B-51832D50D4A3\sender.exe" --job-name=ySenderExe-{54B36C85-361A-4F75-9433-78EC1CEB2EE1} --local-path=C:\Users\Admin\AppData\Local\Temp\yst.tmp --send="/status.xml?clid=2765538-282&uuid=24d3efa2-4ea1-4af9-965f-4dfab70f6dd7&vnt=Windows 11x64&file-no=8%0A10%0A11%0A12%0A13%0A15%0A17%0A18%0A20%0A21%0A22%0A25%0A36%0A40%0A42%0A45%0A57%0A61%0A89%0A102%0A103%0A111%0A123%0A124%0A125"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:5256
  • C:\Users\Admin\AppData\Local\Temp\{E2D66A24-F390-47CE-9BCA-F53BE506441F}.exe
    "C:\Users\Admin\AppData\Local\Temp\{E2D66A24-F390-47CE-9BCA-F53BE506441F}.exe" --job-name=yBrowserDownloader-{614F1759-C61A-4839-9C51-48DB00D7FE33} --send-statistics --local-path=C:\Users\Admin\AppData\Local\Temp\{E2D66A24-F390-47CE-9BCA-F53BE506441F}.exe --YABROWSER --cumtom-welcome-page=https://browser.yandex.ru/promo/welcome_com/5/ --silent --remote-url=http://downloader.yandex.net/downloadable_soft/browser/pseudoportal-ru/Yandex.exe?clid=2765520-282&ui={24d3efa2-4ea1-4af9-965f-4dfab70f6dd7} --use-user-default-locale
    1⤵
    • Downloads MZ/PE file
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3332

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        e5a5e51.rbs

        • Path C:\Config.Msi\e5a5e51.rbs
        • Size 912B
        • SHA256 8875d28e0dbc91baa4a881393c2a244eee18fcd94eb670247918c064385515d8
        • MD5 SHA1 SHA512 TLSH

        357F04AD41BCF5FE18FCB69F60C6680F_394487CAFBCFB8C5917AD7A10924C8A7

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\357F04AD41BCF5FE18FCB69F60C6680F_394487CAFBCFB8C5917AD7A10924C8A7
        • Size 1KB
        • SHA256 5bfe6a2797c9ddc01bffb1474e9d07e24c1f81ea9863d72cd7605d7eb2f34462
        • MD5 SHA1 SHA512 TLSH

        9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E
        • Size 1KB
        • SHA256 cfdd66bc1306dd6ddf9e837fe05bb11da59a5884fb44f283bdfa0b78d60c7616
        • MD5 SHA1 SHA512 TLSH

        357F04AD41BCF5FE18FCB69F60C6680F_394487CAFBCFB8C5917AD7A10924C8A7

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\357F04AD41BCF5FE18FCB69F60C6680F_394487CAFBCFB8C5917AD7A10924C8A7
        • Size 536B
        • SHA256 d549f9d8f91ad0acb2661f977f01ddf0f91f6bf36b42de40d67529d228772054
        • MD5 SHA1 SHA512 TLSH

        9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E
        • Size 536B
        • SHA256 07626b40d65f9e3825c9b5b0e13f5d9223e97583956e301c2ffe969cc30a5ff0
        • MD5 SHA1 SHA512 TLSH

        www.ya.ru.ico

        • Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Services\www.ya.ru.ico
        • Size 5KB
        • SHA256 6bb91f1d74389b18bce6e71772e4c5573648c1a4823338193f700afdf8216be5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cf94fd4bf87b506a4c70c091ec3d99de

        • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\fiyrtffj.default-release\thumbnails\cf94fd4bf87b506a4c70c091ec3d99de
        • Size 15KB
        • SHA256 2435c0376fca765b21d43e897f4baa52daa0958a7015d04103488c606c99d1d3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        lite_installer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2462E8E7-E1BE-47F2-979D-226CE04F4291\lite_installer.exe
        • Size 419KB
        • SHA256 688d0b782437ccfae2944281ade651a2da063f222e80b3510789dbdce8b00fdc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        YandexPackSetup.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7F4987FB1A6E43d69E3E94B29EB75926\YandexPackSetup.exe
        • Size 10.1MB
        • SHA256 05e7c78141093b0ca5a02cfec727a5ba40002cc731a589a098f46b221c3240d4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        seederexe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\C99DE48B-9CC4-454C-948A-7D83ED312BD1\seederexe.exe
        • Size 8.6MB
        • SHA256 35585d12899435e13e186490fcf1d270adbe3c74a1e0578b3d9314858bf2d797
        • MD5 SHA1 SHA512 SSDEEP TLSH

        sender.exe

        • Path C:\Users\Admin\AppData\Local\Temp\F6B369D2-5844-4DAB-B28B-51832D50D4A3\sender.exe
        • Size 260KB
        • SHA256 36022c6ecb3426791e6edee9074a3861fe5b660d98f2b2b7c13b80fe11a75577
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Yandex.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Yandex.exe
        • Size 203KB
        • SHA256 c60c3a7d20b575fdeeb723e12a11c2602e73329dc413fc6d88f72e6f87e38b49
        • MD5 SHA1 SHA512 SSDEEP TLSH

        YandexSearch00000.log

        • Path C:\Users\Admin\AppData\Local\Temp\YandexSearch00000.log
        • Size 1KB
        • SHA256 21b6ef2ed602864401fab655209c591d5a751216c805916bae9fee22dc281989
        • MD5 SHA1 SHA512 TLSH

        clids-yasearch.xml

        • Path C:\Users\Admin\AppData\Local\Temp\clids-yasearch.xml
        • Size 711B
        • SHA256 545a841db1158e3f1fa7bc19794b4992b01bd20166fec5e106db8654baf5a731
        • MD5 SHA1 SHA512 TLSH

        lite_installer.log

        • Path C:\Users\Admin\AppData\Local\Temp\lite_installer.log
        • Size 15KB
        • SHA256 f80b768587dcfdfaf6023c7eda3b67d4fa3b90094b9054522642afd78e977e78
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vendor00000.xml

        • Path C:\Users\Admin\AppData\Local\Temp\vendor00000.xml
        • Size 510B
        • SHA256 1bd0f826e60de8c54b4becd496b5f7b642ec10a3a0c4b827479c7c6e0d50ae00
        • MD5 SHA1 SHA512 TLSH

        YandexSearch.msi

        • Path C:\Users\Admin\AppData\Local\Temp\{5B964E0E-B9A3-4276-9ED9-4D5A5720747A}\YandexSearch.msi
        • Size 9.8MB
        • SHA256 3274d31cd9e5ee72687e8fc0bd2d53e47cd61301a0a715a572b4c29fcb808ed4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E2D66A24-F390-47CE-9BCA-F53BE506441F}.exe

        • Path C:\Users\Admin\AppData\Local\Temp\{E2D66A24-F390-47CE-9BCA-F53BE506441F}.exe
        • Size 12.0MB
        • SHA256 9a1c28f6c68a6f8cc969da152c792598f0cfdd225ecc2dc3bd77f35df8389cc4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Yandex.exe

        • Path C:\Users\Admin\AppData\Local\Yandex\YaPin\Yandex.exe
        • Size 397KB
        • SHA256 8c4be5f1bc4e2f73d4396af48a31bf10362006472e9b28f40aa91f73a3815f12
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Yandex.lnk

        • Path C:\Users\Admin\AppData\Local\Yandex\YaPin\Yandex.lnk
        • Size 2KB
        • SHA256 004c4461e7d3bebb90b7c80abe97e9c4a14c14e5cb8e2e4a1bbb74816984486d
        • MD5 SHA1 SHA512 TLSH

        Яндекс.website

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\Яндекс.website
        • Size 515B
        • SHA256 64a7cf4e8159270f5ad8bf39f395b4660f059bb71aeb95c588f462aa4bfaf410
        • MD5 SHA1 SHA512 TLSH

        places.sqlite

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cxykicyu.Admin\places.sqlite
        • Size 68KB
        • SHA256 b6d278384a3684409a2a86f03e4f52869818ce7dd8b5779876960353f7d35dc1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Bookmarks

        • Path C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\Bookmarks
        • Size 1KB
        • SHA256 2b167248e8136c4d45c2c46e2bff6fb5e5137dd4dfdccde998599be2df2e9335
        • MD5 SHA1 SHA512 TLSH

        Preferences

        • Path C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\Preferences
        • Size 318B
        • SHA256 6b526bd1e2dd871e60bb7cef11f683b0fdcc32470e9e3bdc5e3d41399a3ea165
        • MD5 SHA1 SHA512 TLSH

        clids-yabrowser.xml

        • Path C:\Users\Admin\AppData\Roaming\Yandex\clids-yabrowser.xml
        • Size 737B
        • SHA256 46d312ea04f239c729b9402b871032bd3977a6c9d5ea599a07dc75945ccb97e3
        • MD5 SHA1 SHA512 TLSH

        ui

        • Path C:\Users\Admin\AppData\Roaming\Yandex\ui
        • Size 38B
        • SHA256 5ee5ff85cd592edf2ce6df40592ae91b1af2998ce98857b89d94809b8ce101af
        • MD5 SHA1 SHA512

        MSI6217.tmp

        • Path C:\Windows\Installer\MSI6217.tmp
        • Size 181KB
        • SHA256 a5dd2f97c6787c335b7807ff9b6966877e9dd811f9e26326837a7d2bd224de86
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI62C3.tmp

        • Path C:\Windows\Installer\MSI62C3.tmp
        • Size 189KB
        • SHA256 669cc0aae068ced3154acaecb0c692c4c5e61bc2ca95b40395a3399e75fcb9b2
        • MD5 SHA1 SHA512 SSDEEP TLSH