Analysis

  • max time kernel
    141s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/08/2024, 00:36

General

  • Target

    0dd1a0f8d204dc6ad2473a0f1cd7f7c1b2cf6967c39a62487ecf8969a81e47f8.exe

  • Size

    2.0MB

  • MD5

    9dd2561bd655399819b02011a2354cdf

  • SHA1

    cbb7c78293c3a6e5ba2a177af50cb4d6b08108ec

  • SHA256

    0dd1a0f8d204dc6ad2473a0f1cd7f7c1b2cf6967c39a62487ecf8969a81e47f8

  • SHA512

    fef4e4b0c9b331548ed0c3f64b611ef7e7b349d8033c7de8ac9eb434fb46a11bd1176c05c471806dddda5a9dd190979bc4965d9290e9b2daa91d419fd359fe37

  • SSDEEP

    49152:FVAbwXN2neoFmNWAAtFa1jZrtMnQCFvO9v2j:zA8cnz48PBnQcmvS

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 7 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\0dd1a0f8d204dc6ad2473a0f1cd7f7c1b2cf6967c39a62487ecf8969a81e47f8.exe
    "C:\Users\Admin\AppData\Local\Temp\0dd1a0f8d204dc6ad2473a0f1cd7f7c1b2cf6967c39a62487ecf8969a81e47f8.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:344
    • C:\Users\Admin\AppData\Local\Temp\7zS85187557\setup.exe
      C:\Users\Admin\AppData\Local\Temp\7zS85187557\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:4100
      • C:\Users\Admin\AppData\Local\Temp\7zS85187557\setup.exe
        C:\Users\Admin\AppData\Local\Temp\7zS85187557\setup.exe --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\crash_count.txt" --url=https://crashstats-collector-2.opera.com/ --annotation=channel=Stable --annotation=plat=Win32 --annotation=prod=OperaDesktop --annotation=ver=113.0.5230.31 --initial-client-data=0x32c,0x330,0x334,0x300,0x338,0x7455ae8c,0x7455ae98,0x7455aea4
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:436
      • C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\setup.exe
        "C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\setup.exe" --version
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2308
      • C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408240036271\assistant\Assistant_113.0.5230.31_Setup.exe_sfx.exe
        "C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408240036271\assistant\Assistant_113.0.5230.31_Setup.exe_sfx.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5076
      • C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408240036271\assistant\assistant_installer.exe
        "C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408240036271\assistant\assistant_installer.exe" --version
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:264
        • C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408240036271\assistant\assistant_installer.exe
          "C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408240036271\assistant\assistant_installer.exe" --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\crash_count.txt" --url=https://crashstats-collector-2.opera.com/ --annotation=channel=Stable --annotation=plat=Win32 --annotation=prod=OperaDesktop --annotation=ver=113.0.5230.31 --initial-client-data=0x228,0x22c,0x230,0x204,0x234,0xa32c48,0xa32c54,0xa32c60
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:1888

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408240036271\additional_file0.tmp

          Filesize

          2.6MB

          MD5

          0995a010e2f8b866c6abca90fa49130f

          SHA1

          f282871f9d6333f5bcc738062613c44567a58dc0

          SHA256

          74d4c26b0ee35a7431944e51aaf5ec4ab3338b6776bf44bdfdbc1e201b4fea76

          SHA512

          b98e4bd252a9bdb11a7f15c795910daabdbe8e0ba0fa86a5ee6f8167ff66a9b67790c51f700666239781ad46241926590588b6831d16e5057dcbfebe37c3ae6b

        • C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408240036271\assistant\assistant_installer.exe

          Filesize

          1.9MB

          MD5

          1d980ac7aa07def69627a334168853f9

          SHA1

          c4b6a91eb61eb1a946b922ceef9aea86dde79eb5

          SHA256

          a08d4c13a57600c280d10aa2d0c5c13352638b6ac38651aa908af1c0ec351807

          SHA512

          e8f7afb5299d627d67f6656f71006f60c1dbaa535175ff935d2934197e2ed5faca0f9d64897695965deeeea7612a4229bf117a8243a3b5de902a001d4e91797b

        • C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408240036271\assistant\dbgcore.dll

          Filesize

          166KB

          MD5

          98d373f7e891c8282b7a163880ffff55

          SHA1

          a84b5607aebd38833a96ee46b33f2d1b748e6ea0

          SHA256

          67bce323f46300c83866e02b1a3923b93834e30741999b965b351531073e8f2b

          SHA512

          b417629c5276ed942578273af5d2de4ab35fdb1cec102b47999b0b54d50c98d0ec36e8fca01db8c6f9fc4dc6aa130fef916fe07d131586c84f4a75bb589bb927

        • C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408240036271\assistant\dbghelp.dll

          Filesize

          1.7MB

          MD5

          49c70bed12c523235e2e154326b1a8f0

          SHA1

          4a011c6909ea9c08357dd4bebdd62f8b3bfab8dd

          SHA256

          27251f799e2d950c561fda99c07ff49553c1d538ccd544bcd1ee12820eed5cd5

          SHA512

          1553f9ddbb95603d82c01668320a128766ba8b039ee127f86a2008de222e9390b4d8b7153443444790c946b40742b85625fbc422e81073a353e9e434cc56eba3

        • C:\Users\Admin\AppData\Local\Temp\7zS85187557\setup.exe

          Filesize

          5.1MB

          MD5

          20cdc00b9cf50abe0158a9dda8f9346f

          SHA1

          1fb747a49e0328bd0401778dc75c48c0393669d3

          SHA256

          07b79f7f5089a14eb59ff3cf01dc7f9174ff03ebf4b5b1498a70dc31835220d9

          SHA512

          e5e7ea28721559c765fc412fac9de0a54ff0202b03880f469f0e862e6503987b2c49b313905d3d68eec0b11613e0a074cd55bab0e62e0b7cc4f20e7ceca20078

        • C:\Users\Admin\AppData\Local\Temp\Opera_installer_2408240036270734100.dll

          Filesize

          4.6MB

          MD5

          74d214e8b9888dcb7b93de2cbd77eb67

          SHA1

          5fe5838ce36298284e93a504301011a38d0c9ea3

          SHA256

          b389b55dce2434e123310e2c6a9ec6c871e585728f2726c0d65e468823b66734

          SHA512

          01288ae10ab61a06e41087187f4a89cfc942759fdc45dd8235b379fa1ea08f4e0ec622a2f1e2a64b7967d566d13c093b5b6fa16a02cc4a0a8ea262b16360df35

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

          Filesize

          40B

          MD5

          e0dff217714929696e2080d70a1887b0

          SHA1

          597fc087dbb50a07ffda918b5967c78b59e241e6

          SHA256

          6b0108e1ed08876218cfadd4deb2e11730525b1657a89e7f1e1ea508dba4f769

          SHA512

          e0b9a135ccaeb8058c9f3b3586c2182aa97479bbf23fa88e845dd79cb95115583a2277f9dadcc5e3daff0eba5985b4d455d8ceb0083baaf9a160729c040750c2