Analysis

  • max time kernel
    52s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-10-2022 04:12

General

  • Target

    ff29682a8408dbc7eab7ed313c3a765089d92c52ed653dc901267e7f6595069f.exe

  • Size

    2.4MB

  • MD5

    d2fa63257e3bbf3f7653941860dea9d5

  • SHA1

    eb251b04a408b8e5cc2bae89bd056b9d373558ed

  • SHA256

    ff29682a8408dbc7eab7ed313c3a765089d92c52ed653dc901267e7f6595069f

  • SHA512

    800e621a47bbf7d74c4b81be559289358cda5b251c252eabaece5da68c4867c81d47062ffd65b3f41942b34f17bf1e4df97c071a4dc724d9e60f16fd63736dd3

  • SSDEEP

    49152:+qHjjSwQWpxJgXHmDuFKB8j+gm9/NCCHME1lDEPQqKK0cBA:d6wQWNDK+/89E1lYPJKeBA

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies system certificate store 2 TTPs 13 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ff29682a8408dbc7eab7ed313c3a765089d92c52ed653dc901267e7f6595069f.exe
    "C:\Users\Admin\AppData\Local\Temp\ff29682a8408dbc7eab7ed313c3a765089d92c52ed653dc901267e7f6595069f.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4732
    • C:\Users\Admin\AppData\Local\Temp\ff29682a8408dbc7eab7ed313c3a765089d92c52ed653dc901267e7f6595069f.exe
      C:\Users\Admin\AppData\Local\Temp\ff29682a8408dbc7eab7ed313c3a765089d92c52ed653dc901267e7f6595069f.exe --type=crashpad-handler /prefetch:7 --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=68.0.3618.63 --initial-client-data=0x2c0,0x2c4,0x2c8,0x29c,0x2cc,0x75010558,0x75010568,0x75010574
      2⤵
      • Loads dropped DLL
      PID:1716
    • C:\Users\Admin\AppData\Local\Temp\Opera Installer Temp\ff29682a8408dbc7eab7ed313c3a765089d92c52ed653dc901267e7f6595069f.exe
      "C:\Users\Admin\AppData\Local\Temp\Opera Installer Temp\ff29682a8408dbc7eab7ed313c3a765089d92c52ed653dc901267e7f6595069f.exe" --version
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1616

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Opera Installer Temp\ff29682a8408dbc7eab7ed313c3a765089d92c52ed653dc901267e7f6595069f.exe

    Filesize

    2.4MB

    MD5

    d2fa63257e3bbf3f7653941860dea9d5

    SHA1

    eb251b04a408b8e5cc2bae89bd056b9d373558ed

    SHA256

    ff29682a8408dbc7eab7ed313c3a765089d92c52ed653dc901267e7f6595069f

    SHA512

    800e621a47bbf7d74c4b81be559289358cda5b251c252eabaece5da68c4867c81d47062ffd65b3f41942b34f17bf1e4df97c071a4dc724d9e60f16fd63736dd3

  • C:\Users\Admin\AppData\Local\Temp\Opera_installer_2210280612238974732.dll

    Filesize

    3.2MB

    MD5

    737fcce6b1d9a4b038d0de80b611d796

    SHA1

    220e447dc0807c01acf95d5881feff8de8c641df

    SHA256

    c5b39381bc57013effce2bb79d7c6273f3f97e520fec2f3d75708c599dc721d1

    SHA512

    bb53d7a10b367f6c449990bd813acddbc84f73c912a65d3ae8d782a53152a04b38e14b2d54b5a8e2bc05a5f87e9a004e4594a3918dfbfcb3cda655a43e8ca5ba

  • C:\Users\Admin\AppData\Local\Temp\Opera_installer_2210280612246781716.dll

    Filesize

    3.2MB

    MD5

    737fcce6b1d9a4b038d0de80b611d796

    SHA1

    220e447dc0807c01acf95d5881feff8de8c641df

    SHA256

    c5b39381bc57013effce2bb79d7c6273f3f97e520fec2f3d75708c599dc721d1

    SHA512

    bb53d7a10b367f6c449990bd813acddbc84f73c912a65d3ae8d782a53152a04b38e14b2d54b5a8e2bc05a5f87e9a004e4594a3918dfbfcb3cda655a43e8ca5ba

  • C:\Users\Admin\AppData\Local\Temp\Opera_installer_2210280612250221616.dll

    Filesize

    3.2MB

    MD5

    737fcce6b1d9a4b038d0de80b611d796

    SHA1

    220e447dc0807c01acf95d5881feff8de8c641df

    SHA256

    c5b39381bc57013effce2bb79d7c6273f3f97e520fec2f3d75708c599dc721d1

    SHA512

    bb53d7a10b367f6c449990bd813acddbc84f73c912a65d3ae8d782a53152a04b38e14b2d54b5a8e2bc05a5f87e9a004e4594a3918dfbfcb3cda655a43e8ca5ba

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

    Filesize

    40B

    MD5

    0a2745bf9cc207343ddcb3fa85e446ab

    SHA1

    55fa7c023127957c5a01de56675676be7950a818

    SHA256

    5ed6251acf28f30ba45a8b2d8d86de90601f2a5577378807ea874d4e191d3b39

    SHA512

    7831f8f464d39e176a6803b5d20f9b46cd3e7c387ac9d4ef99023e1eed7c2213a975f4c508ae745f8d0cf1b87d1890210cdc374db2051f5280daa98188344e2a

  • memory/1616-141-0x0000000000F70000-0x00000000013CA000-memory.dmp

    Filesize

    4.4MB

  • memory/1716-140-0x0000000000CB0000-0x000000000110A000-memory.dmp

    Filesize

    4.4MB

  • memory/4732-133-0x0000000000CB0000-0x000000000110A000-memory.dmp

    Filesize

    4.4MB

  • memory/4732-142-0x0000000000CB0000-0x000000000110A000-memory.dmp

    Filesize

    4.4MB