Resubmissions

07/09/2024, 22:50

240907-2scxnsscpf 8

07/09/2024, 22:45

240907-2pqdlazbrj 8

07/09/2024, 22:35

240907-2hw8ka1gng 8

07/09/2024, 22:22

240907-2af7da1cmh 8

Analysis

  • max time kernel
    135s
  • max time network
    226s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    07/09/2024, 22:22

General

  • Target

    OperaGXSetup.exe

  • Size

    3.1MB

  • MD5

    f406fd61e27f869d12f9051e4cbc3c2f

  • SHA1

    24e57a5680a28103c04022eff1fed6049c014d5b

  • SHA256

    eb84d19a882e7f5d4074cb8f4cf4d7c0aa1d7c17ecc61574f25b3cb313191b13

  • SHA512

    0d2fbd183894c571dbb97c31aed49624075f4c2c57f00f54e66b69ea692738cd58e33cb253606bb1ff6f23a57b0509f4de424f6be81472574fde1913c7cf0fdf

  • SSDEEP

    98304:cAyXe7ykegiTNpjQpSI14jSKQoDXAy0YbJ31nu2Cms:cXe7tiTHjY4jS1sXA/mJ5u2ns

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:1944
    • C:\Users\Admin\AppData\Local\Temp\7zS897BB7E7\setup.exe
      C:\Users\Admin\AppData\Local\Temp\7zS897BB7E7\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:1452
      • C:\Users\Admin\AppData\Local\Temp\7zS897BB7E7\setup.exe
        C:\Users\Admin\AppData\Local\Temp\7zS897BB7E7\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=112.0.5197.115 --initial-client-data=0x32c,0x330,0x334,0x300,0x338,0x744b1b54,0x744b1b60,0x744b1b6c
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2432
      • 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:1592
      • C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202409072223531\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_202409072223531\assistant\Opera_GX_assistant_73.0.3856.382_Setup.exe_sfx.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:748
      • C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202409072223531\assistant\assistant_installer.exe
        "C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202409072223531\assistant\assistant_installer.exe" --version
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1540
        • C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202409072223531\assistant\assistant_installer.exe
          "C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202409072223531\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=0x274,0x278,0x27c,0x250,0x280,0xc74f48,0xc74f58,0xc74f64
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:4912

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_202409072223531\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_202409072223531\assistant\assistant_installer.exe

    Filesize

    1.8MB

    MD5

    4c8fbed0044da34ad25f781c3d117a66

    SHA1

    8dd93340e3d09de993c3bc12db82680a8e69d653

    SHA256

    afe569ce9e4f71c23ba5f6e8fd32be62ac9538e397cde8f2ecbe46faa721242a

    SHA512

    a04e6fd052d2d63a0737c83702c66a9af834f9df8423666508c42b3e1d8384300239c9ddacdc31c1e85140eb1193bcfac209f218750b40342492ffce6e9da481

  • C:\Users\Admin\AppData\Local\Temp\7zS897BB7E7\setup.exe

    Filesize

    6.4MB

    MD5

    defd30ea336650cc29c0c79fad6fa6b5

    SHA1

    935d871ed86456c6dd3c83136dc2d1bda5988ff3

    SHA256

    015a13bd912728e463df6807019b1914dffc3e6735830472e3287150a02e13f4

    SHA512

    8c6ebbf398fb44ff2254db5a7a2ffbc8803120fa93fa6b72c356c6e8eca45935ab973fe3c90d52d5a7691365caf5b41fe2702b6c76a61a0726faccc392c40e54

  • C:\Users\Admin\AppData\Local\Temp\Opera_installer_2409072223528801452.dll

    Filesize

    5.9MB

    MD5

    640ed3115c855d32ee1731c54702eab7

    SHA1

    1ac749b52794cbadfec8d9219530e9a79fc9427c

    SHA256

    29b4cabc7a0e9dffbc2395b976749be0aad88357dd3b1d7e0cfc9b0c645421a3

    SHA512

    bebe55fdbb363b78c4a6371304f65b89e03a03cee5a8ebceee1681261d8df64a0de36888ed763c3a607ae2732ab54e2e41edb624f37a7fdf8755c40e6bb96f53

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

    Filesize

    40B

    MD5

    de19add74139f61627437b31dd0290f8

    SHA1

    bf1072e7db1a0bf0fdd5ebc39992bfeaeb3d69c0

    SHA256

    9bc5aa575ce46fd08e0e7ef0ea431cfcf91197b6ce565687323598c63940cf36

    SHA512

    335d5234affaf6a4cc0edbefce71f1752062e1ed398c9e0b03a9adfe4580c4885be0137830904fb8b6f8d765c3c1d323d7883177198a22130f2e9c80c1d740eb