Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/11/2023, 15:38

General

  • Target

    OperaGXSetup (1).exe

  • Size

    3.4MB

  • MD5

    ef2dfae8f23af45f2ff53b9b76ba2c3a

  • SHA1

    33388bd24a9b9d7b65579548fa10b6214ea47f5e

  • SHA256

    d136ce9e265d88434d9e6f40aadd3bb3ba1193cb5f28625294d098433870c4c2

  • SHA512

    abbdac738e0a10917878584bdb123e2661402c1686d62a3414c1c9fb83e5a56d29b7d7c2fe038e16f0285dd54897a711cf6fd5952db0dd01ea6619b1bf3d6df1

  • SSDEEP

    98304:cHCxOq+XpCpK7HCIJ3K2lTBdiNfYFLkVRHCoyXw2xDx0T0dlvQ7Js:SCM3CpW9KqTBdiftQlj4O

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 4 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.

  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates connected drives 3 TTPs 4 IoCs

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

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\OperaGXSetup (1).exe
    "C:\Users\Admin\AppData\Local\Temp\OperaGXSetup (1).exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1092
    • C:\Users\Admin\AppData\Local\Temp\OperaGXSetup (1).exe
      "C:\Users\Admin\AppData\Local\Temp\OperaGXSetup (1).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=104.0.4944.70 --initial-client-data=0x2f0,0x2f4,0x2f8,0x2cc,0x2fc,0x74cb7730,0x74cb7740,0x74cb774c
      2⤵
      • Loads dropped DLL
      PID:872
    • C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\OperaGXSetup (1).exe
      "C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\OperaGXSetup (1).exe" --version
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2960
    • C:\Users\Admin\AppData\Local\Temp\OperaGXSetup (1).exe
      "C:\Users\Admin\AppData\Local\Temp\OperaGXSetup (1).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 --launchopera=1 --installfolder="C:\Users\Admin\AppData\Local\Programs\Opera GX" --profile-folder --language=en --singleprofile=0 --copyonly=0 --allusers=0 --setdefaultbrowser=1 --pintotaskbar=1 --pintostartmenu=1 --run-at-startup=1 --server-tracking-data=server_tracking_data --initial-pid=1092 --package-dir-prefix="C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_20231119153859" --session-guid=0438fd8c-b9d6-4bfb-b298-de1a645c9fda --server-tracking-blob=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 --desktopshortcut=1 --wait-for-package --initial-proc-handle=AC0A000000000000
      2⤵
      • Loads dropped DLL
      • Enumerates connected drives
      • Suspicious use of WriteProcessMemory
      PID:3852
      • C:\Users\Admin\AppData\Local\Temp\OperaGXSetup (1).exe
        "C:\Users\Admin\AppData\Local\Temp\OperaGXSetup (1).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=104.0.4944.70 --initial-client-data=0x2e0,0x2e4,0x2e8,0x2bc,0x2ec,0x720d7730,0x720d7740,0x720d774c
        3⤵
        • Loads dropped DLL
        PID:4764
    • C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202311191538591\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_202311191538591\assistant\Opera_GX_assistant_73.0.3856.382_Setup.exe_sfx.exe"
      2⤵
      • Executes dropped EXE
      PID:2832
    • C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202311191538591\assistant\assistant_installer.exe
      "C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202311191538591\assistant\assistant_installer.exe" --version
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2904
      • C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202311191538591\assistant\assistant_installer.exe
        "C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202311191538591\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,0x270,0x274,0x248,0x278,0x334f48,0x334f58,0x334f64
        3⤵
        • Executes dropped EXE
        PID:828

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\OperaGXSetup (1).exe

          Filesize

          3.4MB

          MD5

          ef2dfae8f23af45f2ff53b9b76ba2c3a

          SHA1

          33388bd24a9b9d7b65579548fa10b6214ea47f5e

          SHA256

          d136ce9e265d88434d9e6f40aadd3bb3ba1193cb5f28625294d098433870c4c2

          SHA512

          abbdac738e0a10917878584bdb123e2661402c1686d62a3414c1c9fb83e5a56d29b7d7c2fe038e16f0285dd54897a711cf6fd5952db0dd01ea6619b1bf3d6df1

        • C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202311191538591\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_202311191538591\assistant\Opera_GX_assistant_73.0.3856.382_Setup.exe_sfx.exe

          Filesize

          1.4MB

          MD5

          e9a2209b61f4be34f25069a6e54affea

          SHA1

          6368b0a81608c701b06b97aeff194ce88fd0e3c0

          SHA256

          e950f17f4181009eeafa9f5306e8a9dfd26d88ca63b1838f44ff0efc738e7d1f

          SHA512

          59e46277ca79a43ed8b0a25b24eff013e251a75f90587e013b9c12851e5dd7283b6172f7d48583982f6a32069457778ee440025c1c754bf7bb6ce8ae1d2c3fc5

        • C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202311191538591\assistant\Opera_GX_assistant_73.0.3856.382_Setup.exe_sfx.exe

          Filesize

          1.4MB

          MD5

          e9a2209b61f4be34f25069a6e54affea

          SHA1

          6368b0a81608c701b06b97aeff194ce88fd0e3c0

          SHA256

          e950f17f4181009eeafa9f5306e8a9dfd26d88ca63b1838f44ff0efc738e7d1f

          SHA512

          59e46277ca79a43ed8b0a25b24eff013e251a75f90587e013b9c12851e5dd7283b6172f7d48583982f6a32069457778ee440025c1c754bf7bb6ce8ae1d2c3fc5

        • C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202311191538591\assistant\assistant_installer.exe

          Filesize

          1.8MB

          MD5

          4c8fbed0044da34ad25f781c3d117a66

          SHA1

          8dd93340e3d09de993c3bc12db82680a8e69d653

          SHA256

          afe569ce9e4f71c23ba5f6e8fd32be62ac9538e397cde8f2ecbe46faa721242a

          SHA512

          a04e6fd052d2d63a0737c83702c66a9af834f9df8423666508c42b3e1d8384300239c9ddacdc31c1e85140eb1193bcfac209f218750b40342492ffce6e9da481

        • C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202311191538591\assistant\assistant_installer.exe

          Filesize

          1.8MB

          MD5

          4c8fbed0044da34ad25f781c3d117a66

          SHA1

          8dd93340e3d09de993c3bc12db82680a8e69d653

          SHA256

          afe569ce9e4f71c23ba5f6e8fd32be62ac9538e397cde8f2ecbe46faa721242a

          SHA512

          a04e6fd052d2d63a0737c83702c66a9af834f9df8423666508c42b3e1d8384300239c9ddacdc31c1e85140eb1193bcfac209f218750b40342492ffce6e9da481

        • C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202311191538591\opera_package

          Filesize

          136.1MB

          MD5

          007697da1d77229b5d28b8c55a1c106b

          SHA1

          982250f7210ad5bca3cc47ee3f68033779d3e432

          SHA256

          64ab4abd43b255833f51ba49596209bc6661895c1a9bec06af4a2fbcec906e14

          SHA512

          5401458421b0f43a67f0b4edf277d152f9c2162400875d5453731d4403487a0b45c56464149f23bd9f753fea5d0f724f8c114fabbdac50c2eefa91bc6b5dc0b8

        • C:\Users\Admin\AppData\Local\Temp\Opera_installer_2311191538571841092.dll

          Filesize

          5.1MB

          MD5

          55e6cd85fd855051a7d588893a1404a0

          SHA1

          4e0259a780a68e90517395ae0febaa88ab33901b

          SHA256

          c793131b5928432c67a9c53f43ffea9d802deecd894ba47ef770968e0d5e57c3

          SHA512

          2bcfa4b39d8476399684d6d05a97b21411637d47f17c912639aef518ee82509593d74a9b7beb6a30802deb2107f34f99e3c6f74d7fd90e1ec07acb8b8b34cf6c

        • C:\Users\Admin\AppData\Local\Temp\Opera_installer_231119153857716872.dll

          Filesize

          5.1MB

          MD5

          55e6cd85fd855051a7d588893a1404a0

          SHA1

          4e0259a780a68e90517395ae0febaa88ab33901b

          SHA256

          c793131b5928432c67a9c53f43ffea9d802deecd894ba47ef770968e0d5e57c3

          SHA512

          2bcfa4b39d8476399684d6d05a97b21411637d47f17c912639aef518ee82509593d74a9b7beb6a30802deb2107f34f99e3c6f74d7fd90e1ec07acb8b8b34cf6c

        • C:\Users\Admin\AppData\Local\Temp\Opera_installer_2311191538585442960.dll

          Filesize

          5.1MB

          MD5

          55e6cd85fd855051a7d588893a1404a0

          SHA1

          4e0259a780a68e90517395ae0febaa88ab33901b

          SHA256

          c793131b5928432c67a9c53f43ffea9d802deecd894ba47ef770968e0d5e57c3

          SHA512

          2bcfa4b39d8476399684d6d05a97b21411637d47f17c912639aef518ee82509593d74a9b7beb6a30802deb2107f34f99e3c6f74d7fd90e1ec07acb8b8b34cf6c

        • C:\Users\Admin\AppData\Local\Temp\Opera_installer_2311191538585442960.dll

          Filesize

          5.1MB

          MD5

          55e6cd85fd855051a7d588893a1404a0

          SHA1

          4e0259a780a68e90517395ae0febaa88ab33901b

          SHA256

          c793131b5928432c67a9c53f43ffea9d802deecd894ba47ef770968e0d5e57c3

          SHA512

          2bcfa4b39d8476399684d6d05a97b21411637d47f17c912639aef518ee82509593d74a9b7beb6a30802deb2107f34f99e3c6f74d7fd90e1ec07acb8b8b34cf6c

        • C:\Users\Admin\AppData\Local\Temp\Opera_installer_2311191539145183852.dll

          Filesize

          5.1MB

          MD5

          55e6cd85fd855051a7d588893a1404a0

          SHA1

          4e0259a780a68e90517395ae0febaa88ab33901b

          SHA256

          c793131b5928432c67a9c53f43ffea9d802deecd894ba47ef770968e0d5e57c3

          SHA512

          2bcfa4b39d8476399684d6d05a97b21411637d47f17c912639aef518ee82509593d74a9b7beb6a30802deb2107f34f99e3c6f74d7fd90e1ec07acb8b8b34cf6c

        • C:\Users\Admin\AppData\Local\Temp\Opera_installer_2311191539147994764.dll

          Filesize

          5.1MB

          MD5

          55e6cd85fd855051a7d588893a1404a0

          SHA1

          4e0259a780a68e90517395ae0febaa88ab33901b

          SHA256

          c793131b5928432c67a9c53f43ffea9d802deecd894ba47ef770968e0d5e57c3

          SHA512

          2bcfa4b39d8476399684d6d05a97b21411637d47f17c912639aef518ee82509593d74a9b7beb6a30802deb2107f34f99e3c6f74d7fd90e1ec07acb8b8b34cf6c

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

          Filesize

          40B

          MD5

          0f08674e4b30c944c1ae01c94367d674

          SHA1

          96077edccdbd5ab363425877df4a32e662415a7a

          SHA256

          7cd99f17459e1607a1a731a5baf8f317810833c2bf878ade5db6770a9597ae35

          SHA512

          2554930260415e1fbf339a01dcb7f31cbeea4d2a57e955f579c3e34dd10928f062dbbeaac0f74f2bed0153455da7f0b6599c18d94bdb294eb94324eb944ee8cf

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

          Filesize

          40B

          MD5

          0f08674e4b30c944c1ae01c94367d674

          SHA1

          96077edccdbd5ab363425877df4a32e662415a7a

          SHA256

          7cd99f17459e1607a1a731a5baf8f317810833c2bf878ade5db6770a9597ae35

          SHA512

          2554930260415e1fbf339a01dcb7f31cbeea4d2a57e955f579c3e34dd10928f062dbbeaac0f74f2bed0153455da7f0b6599c18d94bdb294eb94324eb944ee8cf

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

          Filesize

          40B

          MD5

          0f08674e4b30c944c1ae01c94367d674

          SHA1

          96077edccdbd5ab363425877df4a32e662415a7a

          SHA256

          7cd99f17459e1607a1a731a5baf8f317810833c2bf878ade5db6770a9597ae35

          SHA512

          2554930260415e1fbf339a01dcb7f31cbeea4d2a57e955f579c3e34dd10928f062dbbeaac0f74f2bed0153455da7f0b6599c18d94bdb294eb94324eb944ee8cf

        • memory/872-7-0x0000000000320000-0x00000000008CD000-memory.dmp

          Filesize

          5.7MB

        • memory/872-58-0x0000000000320000-0x00000000008CD000-memory.dmp

          Filesize

          5.7MB

        • memory/1092-54-0x0000000000320000-0x00000000008CD000-memory.dmp

          Filesize

          5.7MB

        • memory/1092-0-0x0000000000320000-0x00000000008CD000-memory.dmp

          Filesize

          5.7MB

        • memory/2960-19-0x0000000000420000-0x00000000009CD000-memory.dmp

          Filesize

          5.7MB

        • memory/2960-15-0x0000000000420000-0x00000000009CD000-memory.dmp

          Filesize

          5.7MB

        • memory/3852-59-0x0000000000320000-0x00000000008CD000-memory.dmp

          Filesize

          5.7MB

        • memory/4764-61-0x0000000000320000-0x00000000008CD000-memory.dmp

          Filesize

          5.7MB