Analysis

  • max time kernel
    125s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/08/2024, 02:19

General

  • Target

    aecd4a8d45fd6fb1684439e4f017fa9378bde053cc4161d09aed1c601ffa426f.exe

  • Size

    3.1MB

  • MD5

    271730b2d01c4547779e9f8b240bc903

  • SHA1

    49f5801014408ddde2ba03b07bcc40e52c8ec530

  • SHA256

    aecd4a8d45fd6fb1684439e4f017fa9378bde053cc4161d09aed1c601ffa426f

  • SHA512

    cc209f2b19f058077f049728dfc734c2f50365470d0c61388f85fe25856a71267131df145b56d41d4281e54abeca2b361f798ad1ba6508fe0d3ca2dc1b10280a

  • SSDEEP

    49152:ZNEyYAem1cRhGpadDicKvVIlVyltSXuTfMiIS1+Na6jq6pfs:XEFmO+MyuqQifrQDO7

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\aecd4a8d45fd6fb1684439e4f017fa9378bde053cc4161d09aed1c601ffa426f.exe
    "C:\Users\Admin\AppData\Local\Temp\aecd4a8d45fd6fb1684439e4f017fa9378bde053cc4161d09aed1c601ffa426f.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3988
    • C:\Users\Admin\AppData\Local\Temp\7zS49FF1C78\setup.exe
      C:\Users\Admin\AppData\Local\Temp\7zS49FF1C78\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:3452
      • C:\Users\Admin\AppData\Local\Temp\7zS49FF1C78\setup.exe
        C:\Users\Admin\AppData\Local\Temp\7zS49FF1C78\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=111.0.5168.90 --initial-client-data=0x32c,0x330,0x334,0x304,0x338,0x745b1160,0x745b116c,0x745b1178
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:696
      • 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:2296
      • C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202408170219551\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_202408170219551\assistant\Opera_GX_assistant_73.0.3856.382_Setup.exe_sfx.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3776
      • C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202408170219551\assistant\assistant_installer.exe
        "C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202408170219551\assistant\assistant_installer.exe" --version
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2608
        • C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202408170219551\assistant\assistant_installer.exe
          "C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202408170219551\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,0x270,0x274,0x214,0x278,0xbe4f48,0xbe4f58,0xbe4f64
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:1356
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4112,i,9445584274764997943,12714240264001792460,262144 --variations-seed-version --mojo-platform-channel-handle=3976 /prefetch:8
    1⤵
      PID:3216

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202408170219551\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_202408170219551\assistant\assistant_installer.exe

      Filesize

      1.8MB

      MD5

      4c8fbed0044da34ad25f781c3d117a66

      SHA1

      8dd93340e3d09de993c3bc12db82680a8e69d653

      SHA256

      afe569ce9e4f71c23ba5f6e8fd32be62ac9538e397cde8f2ecbe46faa721242a

      SHA512

      a04e6fd052d2d63a0737c83702c66a9af834f9df8423666508c42b3e1d8384300239c9ddacdc31c1e85140eb1193bcfac209f218750b40342492ffce6e9da481

    • C:\Users\Admin\AppData\Local\Temp\7zS49FF1C78\setup.exe

      Filesize

      6.4MB

      MD5

      0b29c80d336d9ae3f482ffdb1e542325

      SHA1

      1770812f077e57a844c2d3fa7607731da6b180e0

      SHA256

      696a14125486a53e31e52d1a4d26281dccfc183c896bb8809c0243ee95d9c1c9

      SHA512

      1868062d02faad618d1dfbe28d58c9862915ccc9412306c8351504a25206b467f3e7494a4eb3ca7f9e4442b837b38187459db15d819ab62fe84581e6e4fbaea8

    • C:\Users\Admin\AppData\Local\Temp\Opera_installer_2408170219544133452.dll

      Filesize

      5.9MB

      MD5

      9f53cc5b5c7271e3573b6dc4a8b59e2e

      SHA1

      5aee95067dea1676f7eef65ea132ebcfa04d8b92

      SHA256

      f37b966cf0309e582f0076e566aaac1337c5a12c8ff133e8e797f2fdd51d5c23

      SHA512

      66f5e83b85fbca1b1650d4e288f6505ef787fb30e3794bf5c9d275205aca42cd0bfdb4f7720d718033ee172c838a3dbfd4764f4be63dea525631b2a3e9047338

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

      Filesize

      40B

      MD5

      315db5c3379b93d48724f9e4f4f978ca

      SHA1

      f12410fd56234f00fed14f99c68877de47bbb302

      SHA256

      e6e19cd20410bd6743ceb3e6e4d014fe896f93e296fba5b34ce65a6bcf01ee85

      SHA512

      642f4d7f6f58250415ab685a421438421b523681949e4e9da74d4c3e15bff9815eed0a10837d5f9c8ee3b14d7342351fbd6cb8331ed6f07804d63f161be68879