Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/08/2024, 21:22

General

  • Target

    c7df65ae9d1b418166a7d67d8416e6a71f3d4f6fda51ac7dd8c582c09a7363c5.exe

  • Size

    3.1MB

  • MD5

    95340ef68b8185a1e66a717bc4648c1a

  • SHA1

    03b57187d29892237cf0a66e84f66d48e656b435

  • SHA256

    c7df65ae9d1b418166a7d67d8416e6a71f3d4f6fda51ac7dd8c582c09a7363c5

  • SHA512

    8a60d14b2f1f72e186e5cc69892c5ee49e1f23e5ec610d6e0fbbe3bd4568ca0cf61d68a3199cabeff2c66123a946d04bffea5235556680fa3a951c8bfa9fdb78

  • SSDEEP

    49152:GVAbw8VyRPkVwSdyKE6a8anqApzEVZnk8m0Uf89+zvi1QXsy4TpM+DWUl+n1aso:CA7VyRPS7MLq4ykF09+riyXWz6Ha

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 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c7df65ae9d1b418166a7d67d8416e6a71f3d4f6fda51ac7dd8c582c09a7363c5.exe
    "C:\Users\Admin\AppData\Local\Temp\c7df65ae9d1b418166a7d67d8416e6a71f3d4f6fda51ac7dd8c582c09a7363c5.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3572
    • C:\Users\Admin\AppData\Local\Temp\7zS4FD39EB7\setup.exe
      C:\Users\Admin\AppData\Local\Temp\7zS4FD39EB7\setup.exe
      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:3620
      • C:\Users\Admin\AppData\Local\Temp\7zS4FD39EB7\setup.exe
        C:\Users\Admin\AppData\Local\Temp\7zS4FD39EB7\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.opera.com/collector/submit --annotation=channel=Stable --annotation=plat=Win32 --annotation=prod=OperaDesktopGX --annotation=ver=112.0.5197.60 --initial-client-data=0x330,0x334,0x338,0x32c,0x33c,0x74e01b54,0x74e01b60,0x74e01b6c
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1644
      • 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:2224
      • C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202408112122351\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_202408112122351\assistant\Opera_GX_assistant_73.0.3856.382_Setup.exe_sfx.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:532
      • C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202408112122351\assistant\assistant_installer.exe
        "C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202408112122351\assistant\assistant_installer.exe" --version
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4984
        • C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202408112122351\assistant\assistant_installer.exe
          "C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202408112122351\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,0x270,0x274,0x248,0x278,0x594f48,0x594f58,0x594f64
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:3780

Network

        MITRE ATT&CK Enterprise v15

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202408112122351\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_202408112122351\assistant\assistant_installer.exe

          Filesize

          1.8MB

          MD5

          4c8fbed0044da34ad25f781c3d117a66

          SHA1

          8dd93340e3d09de993c3bc12db82680a8e69d653

          SHA256

          afe569ce9e4f71c23ba5f6e8fd32be62ac9538e397cde8f2ecbe46faa721242a

          SHA512

          a04e6fd052d2d63a0737c83702c66a9af834f9df8423666508c42b3e1d8384300239c9ddacdc31c1e85140eb1193bcfac209f218750b40342492ffce6e9da481

        • C:\Users\Admin\AppData\Local\Temp\7zS4FD39EB7\setup.exe

          Filesize

          6.4MB

          MD5

          607fb47ad9d20bb16f90e4a38c93bbfe

          SHA1

          578ea8b4bd0bbd32114bfd61910118c3d9cfc355

          SHA256

          8a82ae5c857123cc6972b93828f3a6202c0db4d325ea6d5b1e36dcfb290c1e09

          SHA512

          23470d0aa5989132efa1fcd4b1d183374384e3b75249910c08e22d2fedf315f084028b7299d6f6c0a5230b2ec78179485d0f187d0a87f710d25f1eac81939e47

        • C:\Users\Admin\AppData\Local\Temp\Opera_installer_2408112122349323620.dll

          Filesize

          5.9MB

          MD5

          1e6485e90130bb0cffd2ae2ca7fef2a2

          SHA1

          b9c01fddb3921b6f56d8d774eb0364f7024428e8

          SHA256

          907cb59383443ce62fdcd2eb90e4bf32cf3a0de6078e708f694dfc7bd7166b5b

          SHA512

          e28ec73e1465591827f092b71ab740a8de0b7ffcf5af0b3e4c1c8be37f16f1a87ae4fdfe23c25a305741a5aaf30fd2aab77f55061eb729f0dc5e64aef3dd6527

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

          Filesize

          40B

          MD5

          508921925be43527added92ec9ba5062

          SHA1

          22f17a810053595f5116b92d2222da0930294069

          SHA256

          987f584fc189ac4faaa8832b17b6d5de604c4f6cf11f41e5391fcf34c3602e9c

          SHA512

          306541fc241d71cca4d05cfc9d59acdc4ef71708c26849b3692da502345d52da7ce0911af75f85ff4bbe90f4d8d1d6dc853b299863818e5cb9840947a5e324e4