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Analysis

  • max time kernel
    96s
  • max time network
    134s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    09/09/2024, 19:38

General

  • Target

    OperaGXSetup.exe

  • Size

    3.1MB

  • MD5

    559bc2b54c2135f42a34acb3433ff03d

  • SHA1

    6b368c0a3385fc46b592066be339fca9de04e588

  • SHA256

    0d5d3c6430d2add33ac940fb241b472f454b9583a90bee9b6a86b079d0e4c3db

  • SHA512

    ee05710a806d911425b756e587905f35e0cbec3ea731d5052a8d478094ee8ae104aca5d3089952f4a638b28177a93554661114af80f99bd7c75d0fc1c517d12a

  • SSDEEP

    98304:MAJbF/eB26JB6+hafAQ2NFSrsf9qgMsIZ/JUFmRT2c:JGpafS0U9q0IFYA

Malware Config

Signatures

  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Enumerates connected drives 3 TTPs 4 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\OperaGXSetup.exe
    "C:\Users\Admin\AppData\Local\Temp\OperaGXSetup.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5020
    • C:\Users\Admin\AppData\Local\Temp\7zSC939F411\setup.exe
      C:\Users\Admin\AppData\Local\Temp\7zSC939F411\setup.exe --server-tracking-blob=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
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2948
      • C:\Users\Admin\AppData\Local\Temp\7zSC939F411\setup.exe
        C:\Users\Admin\AppData\Local\Temp\7zSC939F411\setup.exe --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\crash_count.txt" --url=https://crashstats-collector-2.opera.com/ --annotation=channel=Stable --annotation=plat=Win32 --annotation=prod=OperaDesktopGX --annotation=ver=113.0.5230.75 --initial-client-data=0x338,0x33c,0x340,0x308,0x344,0x74331864,0x74331870,0x7433187c
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3300
      • C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\setup.exe
        "C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\setup.exe" --version
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1056
      • C:\Users\Admin\AppData\Local\Temp\7zSC939F411\setup.exe
        "C:\Users\Admin\AppData\Local\Temp\7zSC939F411\setup.exe" --backend --install --import-browser-data=0 --enable-stats=1 --enable-installer-stats=1 --consent-given=1 --general-interests=1 --general-location=1 --personalized-content=1 --personalized-ads=1 --vought_browser=0 --launchopera=1 --installfolder="C:\Users\Admin\AppData\Local\Programs\Opera GX" --profile-folder --language=en --singleprofile=0 --copyonly=0 --allusers=0 --setdefaultbrowser=0 --pintotaskbar=1 --pintostartmenu=0 --run-at-startup=1 --server-tracking-data=server_tracking_data --initial-pid=2948 --package-dir-prefix="C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_20240909193837" --session-guid=963d0830-0d50-4ff8-bc77-095fc648f6a1 --server-tracking-blob=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 --desktopshortcut=1 --wait-for-package --initial-proc-handle=6409000000000000
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Enumerates connected drives
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:788
        • C:\Users\Admin\AppData\Local\Temp\7zSC939F411\setup.exe
          C:\Users\Admin\AppData\Local\Temp\7zSC939F411\setup.exe --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\crash_count.txt" --url=https://crashstats-collector-2.opera.com/ --annotation=channel=Stable --annotation=plat=Win32 --annotation=prod=OperaDesktopGX --annotation=ver=113.0.5230.75 --initial-client-data=0x328,0x32c,0x330,0x304,0x334,0x71da1864,0x71da1870,0x71da187c
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:1212
      • C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202409091938371\assistant\Opera_GX_assistant_73.0.3856.382_Setup.exe_sfx.exe
        "C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202409091938371\assistant\Opera_GX_assistant_73.0.3856.382_Setup.exe_sfx.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:904
      • C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202409091938371\assistant\assistant_installer.exe
        "C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202409091938371\assistant\assistant_installer.exe" --version
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5040
        • C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202409091938371\assistant\assistant_installer.exe
          "C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202409091938371\assistant\assistant_installer.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\crash_count.txt" --url=https://crashstats-collector.opera.com/collector/submit --annotation=channel=Stable --annotation=plat=Win32 --annotation=prod=OperaDesktopGX --annotation=ver=73.0.3856.382 --initial-client-data=0x298,0x29c,0x2a0,0x274,0x2a4,0x854f48,0x854f58,0x854f64
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:4472

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202409091938371\additional_file0.tmp

    Filesize

    1.4MB

    MD5

    e9a2209b61f4be34f25069a6e54affea

    SHA1

    6368b0a81608c701b06b97aeff194ce88fd0e3c0

    SHA256

    e950f17f4181009eeafa9f5306e8a9dfd26d88ca63b1838f44ff0efc738e7d1f

    SHA512

    59e46277ca79a43ed8b0a25b24eff013e251a75f90587e013b9c12851e5dd7283b6172f7d48583982f6a32069457778ee440025c1c754bf7bb6ce8ae1d2c3fc5

  • C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202409091938371\assistant\assistant_installer.exe

    Filesize

    1.8MB

    MD5

    4c8fbed0044da34ad25f781c3d117a66

    SHA1

    8dd93340e3d09de993c3bc12db82680a8e69d653

    SHA256

    afe569ce9e4f71c23ba5f6e8fd32be62ac9538e397cde8f2ecbe46faa721242a

    SHA512

    a04e6fd052d2d63a0737c83702c66a9af834f9df8423666508c42b3e1d8384300239c9ddacdc31c1e85140eb1193bcfac209f218750b40342492ffce6e9da481

  • C:\Users\Admin\AppData\Local\Temp\7zSC939F411\setup.exe

    Filesize

    6.3MB

    MD5

    eb798e91d503b97614756193e195a7b1

    SHA1

    06367f70a0b4c6de9e208c419beb84fa10c0eeef

    SHA256

    406b5edbd94bc38ce345d3c0f34b6b5fcd0405bd290a2ad0fd55c08b0695eed8

    SHA512

    5738431f355f599e88ec8b603f692a23a779ef41183ee1ebad3f7c81a9296a3df626d852cca1256791cc665d912f8f73c4ac00a15e4f96259c253290a40ba020

  • C:\Users\Admin\AppData\Local\Temp\Opera_installer_2409091938348162948.dll

    Filesize

    5.8MB

    MD5

    d9566efedb5ea286e12826594a40e623

    SHA1

    eba69b688be145e73103ec9587db22e072ee9fb5

    SHA256

    d09af4042577f9c1c72863df791b0114d25086cbf9fa3012b765157ddcbbdf33

    SHA512

    daa4adc5f254088d3b8d22d27b5af3d3663630017903f64377579cba46c0b8e4ffa427b7e51ccdc214e70ed835e2ff9ec2baf4a28a194a1c22dd2ee2abf653bb

  • C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\Crash Reports\settings.dat

    Filesize

    40B

    MD5

    c8deb7db040b39b00fd72a7a7d559d2c

    SHA1

    3f401fcceb60ab6d80bf910dcd9348b00a7b92bd

    SHA256

    a47de430782e9aa4d0d9a49a66a5a6863d0a4f04a413fa2331e0b1d552b9728c

    SHA512

    5e11679db94fe8c655ba07928b304a89968ec1160f78e0f31ea46fb26539e934a303327d36f3bb58f0a982d7055ceee468578f7e90522e89d6ce68c56d9f29c8

  • C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\Crash Reports\settings.dat

    Filesize

    40B

    MD5

    f8ac6f7066d3d525027934b87f3d6b67

    SHA1

    cf331d3a067c9f11bd27e3e9c3943487b33f3791

    SHA256

    840c09060383d78a3a8ec0e5063ad734199c4239594509e51c1b240b2afe0b76

    SHA512

    6014effb0f041d165cd2d02e154fe12ebd9dc63ae1a39e78a086df97043c21c6dfec47d791b72e6f7e05254c313309da8cf3e729319c6533bee768ef7dedd2ef