Analysis

  • max time kernel
    136s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/08/2024, 00:25

General

  • Target

    0b94bfb258c8df8bd43a24bd80df2f308c4c600c3f838abbe3ceae167518d316.exe

  • Size

    2.0MB

  • MD5

    69cd8506b212ccb5f7d5a04b2a2e0a5b

  • SHA1

    ad8bc9bf5b815df929886ea30dd2d31ec4523cc8

  • SHA256

    0b94bfb258c8df8bd43a24bd80df2f308c4c600c3f838abbe3ceae167518d316

  • SHA512

    d41573d1fb104860b60b72ace2d7f1a2716ab25f7c24a7210ac4a0c2292e2f3e634961dc6be4ad572a01e1f761095c4fed79bfd100ff1327ca6106a678d87af5

  • SSDEEP

    49152:lVAbwuGwKOco09gsJcxlV8fTguPOAItUIrhO5Ov:TApQx5+Mc27g9tfoMv

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\0b94bfb258c8df8bd43a24bd80df2f308c4c600c3f838abbe3ceae167518d316.exe
    "C:\Users\Admin\AppData\Local\Temp\0b94bfb258c8df8bd43a24bd80df2f308c4c600c3f838abbe3ceae167518d316.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2696
    • C:\Users\Admin\AppData\Local\Temp\7zS88ABECD7\setup.exe
      C:\Users\Admin\AppData\Local\Temp\7zS88ABECD7\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:2072
      • C:\Users\Admin\AppData\Local\Temp\7zS88ABECD7\setup.exe
        C:\Users\Admin\AppData\Local\Temp\7zS88ABECD7\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.opera.com/collector/submit --annotation=channel=Stable --annotation=plat=Win32 --annotation=prod=OperaDesktop --annotation=ver=112.0.5197.53 --initial-client-data=0x328,0x32c,0x330,0x324,0x334,0x745ba174,0x745ba180,0x745ba18c
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5040
      • 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:4384
      • C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408190025091\assistant\Assistant_112.0.5197.30_Setup.exe_sfx.exe
        "C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408190025091\assistant\Assistant_112.0.5197.30_Setup.exe_sfx.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4236
      • C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408190025091\assistant\assistant_installer.exe
        "C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408190025091\assistant\assistant_installer.exe" --version
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:224
        • C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408190025091\assistant\assistant_installer.exe
          "C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408190025091\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.opera.com/collector/submit --annotation=channel=Stable --annotation=plat=Win32 --annotation=prod=OperaDesktop --annotation=ver=112.0.5197.30 --initial-client-data=0x220,0x224,0x228,0x1fc,0x22c,0x2d8f40,0x2d8f4c,0x2d8f58
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:4432

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_202408190025091\additional_file0.tmp

    Filesize

    2.6MB

    MD5

    1bf64fd766bd850bcf8e0ffa9093484b

    SHA1

    01524bb2c88b7066391da291ee474004a4904891

    SHA256

    58794b1bf4d84bd7566ee89fd8a8a4157dc70c598d229ec5101959f30b6f3491

    SHA512

    cdf2830edc5d4f30beae41591f3a1bcff820f75444d70338a4c6d36e10df43475f383a9f291b619a008452c53e0dddf65547f217386389000535d6d264854e7f

  • C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408190025091\assistant\assistant_installer.exe

    Filesize

    1.9MB

    MD5

    9afe96db501220cf42b262fdac954dc8

    SHA1

    d3471998f674b267256e72a30977a79abcd8fca9

    SHA256

    fc5608bf95bb02e889aa9be15abc5c066acd62ba07f886b323383e75909a2566

    SHA512

    ecff52ca7467e3948faa244c1fc7c3d4d1f1dbe74077d071b78147729a078cc6a676212e0606111edcf542d554045c4f5a4d502545b2f0a285cda6c5d0b69b27

  • C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408190025091\assistant\dbgcore.DLL

    Filesize

    166KB

    MD5

    e0274730d20eb9571d59f2da20d165a2

    SHA1

    b746aeca5f7cbee0de163309c9d207c94f9b8d64

    SHA256

    c5c4c6430bcfe6118a4f499c94afa460401e369dc548a24688532c95fd202ec5

    SHA512

    d95998b69e6c3d25037e12e038f2773960de2d18df1af0342fd805c7c349bd630a21d0e0fe7490baaf274e90781ebf6a2667e64593f9d91174d040bfe640bddf

  • C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408190025091\assistant\dbghelp.dll

    Filesize

    1.7MB

    MD5

    6e9976cc7b2def7a37106703e47626a5

    SHA1

    edcb4758f8ee56e9c6515f912d5024aeca9ead50

    SHA256

    fd8840fab4b61db4e9e09168e5b1b4f0e9bfea0a64482fd475ab63c712b92b9c

    SHA512

    27091e6ad001dac22897a295806925e02f693096d79667e587de74ca955ffb9b2773b22c83e306e7164862524e02ad028e68684c2ca7d9e4da1ff03787dd40ca

  • C:\Users\Admin\AppData\Local\Temp\7zS88ABECD7\setup.exe

    Filesize

    5.2MB

    MD5

    44908c157516d82119d84a3b1c4a31f7

    SHA1

    dea19891d14b4e3598844f624c919b0dc5ce236f

    SHA256

    be21539218a31ff278f218a172b9972f4d8978a281387acdadf9a25b86e30b1a

    SHA512

    5a83d45533202ba573941d041619bd7f17e997f352f73528029d1f07da9a26c4f50f1cf77c822f972b596fa75bd2eeb0bca8170d89343d8b590ba869be058106

  • C:\Users\Admin\AppData\Local\Temp\Opera_installer_2408190025078362072.dll

    Filesize

    4.7MB

    MD5

    d7b7e0f7865a3cc624e95cefe2bc205c

    SHA1

    1352733bfaa54292d1457d3f7a87069c00a1f56f

    SHA256

    94028494f0c28a14f21179ef4096e0c52f1d022a5ad65b070f0d8584b500b597

    SHA512

    e5bced68446f702de4236a6f11ec005bc5233915ff689693a1894afe7ea924ca6d6d8ae722b12daa0ee0b4e35223606a55f13b34db648bfb24e96a76e834ff08

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

    Filesize

    40B

    MD5

    b400970c02435c0b97b7c88db5e95519

    SHA1

    be215d20d8b9515c80b7794da71a97c0c175eb23

    SHA256

    ae81cbba0948be2ecac5aaeb89f701208096907abb644fb8c67a2bafec616bfe

    SHA512

    2618222e29b527b5a6f1eca9199bbbe9d6bc4b1061c64650186f4fc217455b09c60c65ea52934ae164a45d0bd53943476b9ec377541a8540728072dcc5412940