Analysis

  • max time kernel
    153s
  • max time network
    196s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-12-2022 02:53

General

  • Target

    5e956e660a87294c678892b2907cc42cac5543fb71a3364e089fd75b823a076d.exe

  • Size

    2.4MB

  • MD5

    44e805e6a73cc9aa145a1880b5121ed5

  • SHA1

    9afdb57b73e8cbb5ff13f2352703481ef3f932de

  • SHA256

    5e956e660a87294c678892b2907cc42cac5543fb71a3364e089fd75b823a076d

  • SHA512

    7950893416e20832d41f6c866f3d02ea609b99701824398c1f965c4cd97c12b7421fba72c4f142c653e8df5ac4a6f8c0530ba9f83745cf1cf1333cd6cfdc87d4

  • SSDEEP

    49152:OrGz6Twh2vmbJg48S3pbOSrowX038gWskigEc+2Eq0TVB9Bqhjy/Qt6r7:f6TDvmbJX80rowX0Mfskif2oBBGhj7tm

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • UPX packed file 7 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.

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e956e660a87294c678892b2907cc42cac5543fb71a3364e089fd75b823a076d.exe
    "C:\Users\Admin\AppData\Local\Temp\5e956e660a87294c678892b2907cc42cac5543fb71a3364e089fd75b823a076d.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:364
    • C:\Users\Admin\AppData\Local\Temp\5e956e660a87294c678892b2907cc42cac5543fb71a3364e089fd75b823a076d.exe
      C:\Users\Admin\AppData\Local\Temp\5e956e660a87294c678892b2907cc42cac5543fb71a3364e089fd75b823a076d.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=68.0.3618.173 --initial-client-data=0x2c0,0x2c4,0x2c8,0x29c,0x2cc,0x74cf0558,0x74cf0568,0x74cf0574
      2⤵
      • Loads dropped DLL
      PID:2380
    • C:\Users\Admin\AppData\Local\Temp\Opera Installer Temp\5e956e660a87294c678892b2907cc42cac5543fb71a3364e089fd75b823a076d.exe
      "C:\Users\Admin\AppData\Local\Temp\Opera Installer Temp\5e956e660a87294c678892b2907cc42cac5543fb71a3364e089fd75b823a076d.exe" --version
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:3276

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Opera Installer Temp\5e956e660a87294c678892b2907cc42cac5543fb71a3364e089fd75b823a076d.exe

    Filesize

    2.4MB

    MD5

    44e805e6a73cc9aa145a1880b5121ed5

    SHA1

    9afdb57b73e8cbb5ff13f2352703481ef3f932de

    SHA256

    5e956e660a87294c678892b2907cc42cac5543fb71a3364e089fd75b823a076d

    SHA512

    7950893416e20832d41f6c866f3d02ea609b99701824398c1f965c4cd97c12b7421fba72c4f142c653e8df5ac4a6f8c0530ba9f83745cf1cf1333cd6cfdc87d4

  • C:\Users\Admin\AppData\Local\Temp\Opera_installer_221201035350039364.dll

    Filesize

    3.2MB

    MD5

    17177fbb166b60e925432e142a5e9bf2

    SHA1

    4829e9593599b640c78948090af6578339df47c0

    SHA256

    4d2b8f2b1ef5fe1072763f6f6b588bce88f63d601406b9f846aebb28b115c967

    SHA512

    1ecf90c74da61ed2261aa56ff09627e6f9c3d84024fef777bc456a1bf396ac35cef0cc1ebd67ae5ccfc3dc2e6d17688e5a0405bea81e57bf486eff226a92913a

  • C:\Users\Admin\AppData\Local\Temp\Opera_installer_2212010354166322380.dll

    Filesize

    3.2MB

    MD5

    17177fbb166b60e925432e142a5e9bf2

    SHA1

    4829e9593599b640c78948090af6578339df47c0

    SHA256

    4d2b8f2b1ef5fe1072763f6f6b588bce88f63d601406b9f846aebb28b115c967

    SHA512

    1ecf90c74da61ed2261aa56ff09627e6f9c3d84024fef777bc456a1bf396ac35cef0cc1ebd67ae5ccfc3dc2e6d17688e5a0405bea81e57bf486eff226a92913a

  • C:\Users\Admin\AppData\Local\Temp\Opera_installer_2212010354180393276.dll

    Filesize

    3.2MB

    MD5

    17177fbb166b60e925432e142a5e9bf2

    SHA1

    4829e9593599b640c78948090af6578339df47c0

    SHA256

    4d2b8f2b1ef5fe1072763f6f6b588bce88f63d601406b9f846aebb28b115c967

    SHA512

    1ecf90c74da61ed2261aa56ff09627e6f9c3d84024fef777bc456a1bf396ac35cef0cc1ebd67ae5ccfc3dc2e6d17688e5a0405bea81e57bf486eff226a92913a

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

    Filesize

    40B

    MD5

    776f7a503123ed24becfe2eabf70a75a

    SHA1

    11fc764aca0ab5c77fe5931db1bf208151a2db47

    SHA256

    1f6126a09b866a51dfbdaaf82bb7b79ac2423e29b6a0243e883cb7d511eacf3e

    SHA512

    eaed31132034abdfc663fb340974b83be2ed26087331e4f6118fa666a5191fc1d0fb12e9f56059def16832d6d2f8eb0aef2a9e711967ba609f7955b2a5ffa59e

  • memory/364-133-0x00000000005C0000-0x0000000000A1A000-memory.dmp

    Filesize

    4.4MB

  • memory/364-132-0x00000000005C0000-0x0000000000A1A000-memory.dmp

    Filesize

    4.4MB

  • memory/2380-138-0x00000000005C0000-0x0000000000A1A000-memory.dmp

    Filesize

    4.4MB

  • memory/2380-142-0x00000000005C0000-0x0000000000A1A000-memory.dmp

    Filesize

    4.4MB

  • memory/3276-141-0x0000000000480000-0x00000000008DA000-memory.dmp

    Filesize

    4.4MB

  • memory/3276-144-0x0000000000480000-0x00000000008DA000-memory.dmp

    Filesize

    4.4MB