Analysis

  • max time kernel
    125s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/09/2024, 14:35

General

  • Target

    OperaGXSetup.exe

  • Size

    3.1MB

  • MD5

    ced94adcd39f3f6fee5245c79df492e6

  • SHA1

    260cf40e5da44266523e8dd315932f2f3e497ef4

  • SHA256

    b0ce56d5762ec06a4252249a3be3873763ecfdc3d86173933bee829389edfefa

  • SHA512

    e189b85be92770f9b4c0a67de10c28a27753744e0d009ba6d005b2d014fb605a4e06019370bf6f3acb8a2c7824ef670ee1aef37bec6be1edee532a6b26261812

  • SSDEEP

    98304:WAJbF/eB26JB6+hafAQ2NFSrsf9qgMsIZ/JUFmRT22:HGpafS0U9q0IFYK

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 3 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 2 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 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 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 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:4496
    • C:\Users\Admin\AppData\Local\Temp\7zS09154E68\setup.exe
      C:\Users\Admin\AppData\Local\Temp\7zS09154E68\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:2476
      • C:\Users\Admin\AppData\Local\Temp\7zS09154E68\setup.exe
        C:\Users\Admin\AppData\Local\Temp\7zS09154E68\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=0x328,0x330,0x334,0x32c,0x338,0x74061864,0x74061870,0x7406187c
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4428
      • 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:2672
      • C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202409131436131\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_202409131436131\assistant\Opera_GX_assistant_73.0.3856.382_Setup.exe_sfx.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1332
      • C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202409131436131\assistant\assistant_installer.exe
        "C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202409131436131\assistant\assistant_installer.exe" --version
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5068
        • C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202409131436131\assistant\assistant_installer.exe
          "C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202409131436131\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=0x26c,0x270,0x274,0x248,0x278,0xc84f48,0xc84f58,0xc84f64
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:1004
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4352,i,2727319350781907497,7925939240893079607,262144 --variations-seed-version --mojo-platform-channel-handle=1304 /prefetch:8
    1⤵
      PID:1416

    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_202409131436131\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_202409131436131\assistant\assistant_installer.exe

            Filesize

            1.8MB

            MD5

            4c8fbed0044da34ad25f781c3d117a66

            SHA1

            8dd93340e3d09de993c3bc12db82680a8e69d653

            SHA256

            afe569ce9e4f71c23ba5f6e8fd32be62ac9538e397cde8f2ecbe46faa721242a

            SHA512

            a04e6fd052d2d63a0737c83702c66a9af834f9df8423666508c42b3e1d8384300239c9ddacdc31c1e85140eb1193bcfac209f218750b40342492ffce6e9da481

          • C:\Users\Admin\AppData\Local\Temp\7zS09154E68\setup.exe

            Filesize

            6.3MB

            MD5

            eb798e91d503b97614756193e195a7b1

            SHA1

            06367f70a0b4c6de9e208c419beb84fa10c0eeef

            SHA256

            406b5edbd94bc38ce345d3c0f34b6b5fcd0405bd290a2ad0fd55c08b0695eed8

            SHA512

            5738431f355f599e88ec8b603f692a23a779ef41183ee1ebad3f7c81a9296a3df626d852cca1256791cc665d912f8f73c4ac00a15e4f96259c253290a40ba020

          • C:\Users\Admin\AppData\Local\Temp\Opera_installer_2409131436121062476.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

            859877dc9a90474f38efa8958ed666cd

            SHA1

            bee0e61cf9f25ab87778972f019063c6b2eb7a3b

            SHA256

            0dce560a924d6e663cee7856c65686ac1d174c780277b2b09394ddafec9611e5

            SHA512

            9055b2d27584094ca593a3f1aba3cde4abefbe08c602d6296805a62f6a94ca088c5ae32dd9566cf0d57e0554c281e153b93c65b9adf00eac254d60fbd1ccc64b