Analysis

  • max time kernel
    93s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/06/2024, 20:14

General

  • Target
    2024-06-03_de32ff454d4ae8a8d94844c06eb9529b_magniber.exe
  • Size 10.1MB
  • Sample240603-yz8fdahe56
  • SHA256 90182889db1b62bb04c49d1e40a34d806dc01366dedc4fe6b16fcecdf322c888
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 10 IoCs
  • Reads user/profile data of web browsers 2 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 46 IoCs

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

  • Drops file in Windows directory 17 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 60 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-03_de32ff454d4ae8a8d94844c06eb9529b_magniber.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-03_de32ff454d4ae8a8d94844c06eb9529b_magniber.exe"
    1⤵
    • Enumerates connected drives
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2644
  • 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 WriteProcessMemory
    PID:1480
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 297AEC70525A1E8C8EE405164CA277B4
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2428
      • C:\Users\Admin\AppData\Local\Temp\F241AE81-3140-479A-83A0-DDBBDD74C666\lite_installer.exe
        "C:\Users\Admin\AppData\Local\Temp\F241AE81-3140-479A-83A0-DDBBDD74C666\lite_installer.exe" --use-user-default-locale --silent --cumtom-welcome-page=https://browser.yandex.ru/promo/welcome_com/5/
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1808
      • C:\Users\Admin\AppData\Local\Temp\73D48B77-4CD3-4CDF-A42E-1AFDD16E6DCE\seederexe.exe
        "C:\Users\Admin\AppData\Local\Temp\73D48B77-4CD3-4CDF-A42E-1AFDD16E6DCE\seederexe.exe" "--yqs=" "--yhp=" "--ilight=" "--oem=" "--nopin=n" "--pin_custom=n" "--pin_desktop=n" "--pin_taskbar=y" "--locale=us" "--browser=" "--browser_default=" "--loglevel=trace" "--ess=" "--clids=C:\Users\Admin\AppData\Local\Temp\clids-yasearch.xml" "--sender=C:\Users\Admin\AppData\Local\Temp\8CB531C9-1107-462F-A13B-A2D4C7C8EBC5\sender.exe" "--is_elevated=yes" "--ui_level=5" "--good_token=x" "--no_opera=n"
        3⤵
        • Executes dropped EXE
        • Modifies Internet Explorer settings
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4200
        • C:\Users\Admin\AppData\Local\Temp\8CB531C9-1107-462F-A13B-A2D4C7C8EBC5\sender.exe
          C:\Users\Admin\AppData\Local\Temp\8CB531C9-1107-462F-A13B-A2D4C7C8EBC5\sender.exe --send "/status.xml?clid=6505886&uuid=78df601f-1e81-442f-95b2-d759048f9b8c&vnt=Windows 10x64&file-no=8%0A15%0A25%0A45%0A57%0A59%0A102%0A111%0A125%0A129%0A"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:11860

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        e573663.rbs

        • Path C:\Config.Msi\e573663.rbs
        • Size 575B
        • SHA256 e89db102f0b01c05a833c015dd168cf67b48bbad85fa50997d1f854f4d6dbac4
        • MD5 SHA1 SHA512

        357F04AD41BCF5FE18FCB69F60C6680F_394487CAFBCFB8C5917AD7A10924C8A7

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\357F04AD41BCF5FE18FCB69F60C6680F_394487CAFBCFB8C5917AD7A10924C8A7
        • Size 1KB
        • SHA256 0a92882810386113b2a1f7c9cd3d2e119e707a3c13255670e65875287d497031
        • MD5 SHA1 SHA512

        9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E
        • Size 1KB
        • SHA256 5fe61a1f87db9486fdf2e962761ac06d27a5c0ae443c85b081fc3dffe72a7473
        • MD5 SHA1 SHA512

        357F04AD41BCF5FE18FCB69F60C6680F_394487CAFBCFB8C5917AD7A10924C8A7

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\357F04AD41BCF5FE18FCB69F60C6680F_394487CAFBCFB8C5917AD7A10924C8A7
        • Size 536B
        • SHA256 ff1f0ea56cf3d17c738dbae87b502b2fefd6ec4a250f0f8cd6e2c86ce8727b81
        • MD5 SHA1 SHA512

        9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E
        • Size 536B
        • SHA256 bf80b5b292b7dadd8bf01284417a11c8a69c07c1100f1204b10474c59d4fedd5
        • MD5 SHA1 SHA512

        seederexe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\73D48B77-4CD3-4CDF-A42E-1AFDD16E6DCE\seederexe.exe
        • Size 8.6MB
        • SHA256 35585d12899435e13e186490fcf1d270adbe3c74a1e0578b3d9314858bf2d797
        • MD5 SHA1 SHA512 SSDEEP

        sender.exe

        • Path C:\Users\Admin\AppData\Local\Temp\8CB531C9-1107-462F-A13B-A2D4C7C8EBC5\sender.exe
        • Size 260KB
        • SHA256 36022c6ecb3426791e6edee9074a3861fe5b660d98f2b2b7c13b80fe11a75577
        • MD5 SHA1 SHA512 SSDEEP

        lite_installer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\F241AE81-3140-479A-83A0-DDBBDD74C666\lite_installer.exe
        • Size 419KB
        • SHA256 688d0b782437ccfae2944281ade651a2da063f222e80b3510789dbdce8b00fdc
        • MD5 SHA1 SHA512 SSDEEP

        YandexSearch00000.log

        • Path C:\Users\Admin\AppData\Local\Temp\YandexSearch00000.log
        • Size 34KB
        • SHA256 72052f546753e84fccfdbd632bf9506ee551d0b8c4f551a3b86b3ccbdcfdf713
        • MD5 SHA1 SHA512 SSDEEP

        clids-yasearch.xml

        • Path C:\Users\Admin\AppData\Local\Temp\clids-yasearch.xml
        • Size 531B
        • SHA256 1b25eab8df3344561b28ad9d92c45c58690083f72d1899d439da3e22b9999bf6
        • MD5 SHA1 SHA512

        omnija-20241403.zip

        • Path C:\Users\Admin\AppData\Local\Temp\omnija-20241403.zip
        • Size 40.8MB
        • SHA256 36e682f419c2b5d8e7c285d36088b56d59df3869dbd181943280696d4ca391ca
        • MD5 SHA1 SHA512 SSDEEP

        vendor00000.xml

        • Path C:\Users\Admin\AppData\Local\Temp\vendor00000.xml
        • Size 510B
        • SHA256 b5886afd5ecacee66832fcebe9ba8e3e9a012963536b2ffcbe5ea2b9cbb4b7ec
        • MD5 SHA1 SHA512

        YandexSearch.msi

        • Path C:\Users\Admin\AppData\Local\Temp\{5B964E0E-B9A3-4276-9ED9-4D5A5720747A}\YandexSearch.msi
        • Size 9.8MB
        • SHA256 cb44bbaa1db20fea8502331f39408c1999fecad1bf66a8e3c6597d653bf49113
        • MD5 SHA1 SHA512 SSDEEP

        places.sqlite-20240603201442.928472.backup

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nnr09ubh.Admin\places.sqlite-20240603201442.928472.backup
        • Size 68KB
        • SHA256 b6d278384a3684409a2a86f03e4f52869818ce7dd8b5779876960353f7d35dc1
        • MD5 SHA1 SHA512 SSDEEP

        Bookmarks-20240603201443.053457.backup

        • Path C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\Bookmarks-20240603201443.053457.backup
        • Size 1KB
        • SHA256 2b167248e8136c4d45c2c46e2bff6fb5e5137dd4dfdccde998599be2df2e9335
        • MD5 SHA1 SHA512

        Preferences-20240603201443.053457.backup

        • Path C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\Preferences-20240603201443.053457.backup
        • Size 313B
        • SHA256 ed6a32e11cc99728771989b01f5ae813de80c46a59d3dc68c23a4671a343cb8c
        • MD5 SHA1 SHA512

        ui

        • Path C:\Users\Admin\AppData\Roaming\Yandex\ui
        • Size 38B
        • SHA256 32c15530d6b50866f15a6a18b2c1cb3bf24cd93fa89b0c298bc92d9ebcb27bc4
        • MD5 SHA1 SHA512

        MSI379A.tmp

        • Path C:\Windows\Installer\MSI379A.tmp
        • Size 181KB
        • SHA256 a5dd2f97c6787c335b7807ff9b6966877e9dd811f9e26326837a7d2bd224de86
        • MD5 SHA1 SHA512 SSDEEP

        MSI37E9.tmp

        • Path C:\Windows\Installer\MSI37E9.tmp
        • Size 189KB
        • SHA256 669cc0aae068ced3154acaecb0c692c4c5e61bc2ca95b40395a3399e75fcb9b2
        • MD5 SHA1 SHA512 SSDEEP