Analysis

  • max time kernel
    62s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    18/10/2022, 02:02

General

  • Target

    1ea9ea950ddb0d4589b7779595b67d2b529c96874685b42962d0df8bf845de61.exe

  • Size

    3.7MB

  • MD5

    f881d3fb8426346ff67681e71690bda7

  • SHA1

    e7fb119f0bcead8c79925181a8719304774782e8

  • SHA256

    1ea9ea950ddb0d4589b7779595b67d2b529c96874685b42962d0df8bf845de61

  • SHA512

    c16cdbd1d66f7b823fe76c3274a49e32e6c8900592f0d529422c9fc855cb91ad316d29121b8512e52d7b00d5dd2a472093f176951196c4f21148c280cc255b22

  • SSDEEP

    98304:toGP3bIP32r/H6xMOvLDXw0r82J31pqBweWdiGTQdKyTEkXYh7C7z1WjahwoTZ3G:tosaYQMOni2J31pmjp9IhuX1wQww+nx

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 4 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 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1ea9ea950ddb0d4589b7779595b67d2b529c96874685b42962d0df8bf845de61.exe
    "C:\Users\Admin\AppData\Local\Temp\1ea9ea950ddb0d4589b7779595b67d2b529c96874685b42962d0df8bf845de61.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:900
    • C:\Users\Admin\AppData\Local\Temp\1ea9ea950ddb0d4589b7779595b67d2b529c96874685b42962d0df8bf845de61.exe
      C:\Users\Admin\AppData\Local\Temp\1ea9ea950ddb0d4589b7779595b67d2b529c96874685b42962d0df8bf845de61.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=68.0.3618.142 --initial-client-data=0x178,0x17c,0x180,0x14c,0x184,0x74970558,0x74970568,0x74970574
      2⤵
      • Loads dropped DLL
      PID:2040
    • C:\Users\Admin\AppData\Local\Temp\Opera GX Installer Temp\1ea9ea950ddb0d4589b7779595b67d2b529c96874685b42962d0df8bf845de61.exe
      "C:\Users\Admin\AppData\Local\Temp\Opera GX Installer Temp\1ea9ea950ddb0d4589b7779595b67d2b529c96874685b42962d0df8bf845de61.exe" --version
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1880

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Opera GX Installer Temp\1ea9ea950ddb0d4589b7779595b67d2b529c96874685b42962d0df8bf845de61.exe

    Filesize

    3.7MB

    MD5

    f881d3fb8426346ff67681e71690bda7

    SHA1

    e7fb119f0bcead8c79925181a8719304774782e8

    SHA256

    1ea9ea950ddb0d4589b7779595b67d2b529c96874685b42962d0df8bf845de61

    SHA512

    c16cdbd1d66f7b823fe76c3274a49e32e6c8900592f0d529422c9fc855cb91ad316d29121b8512e52d7b00d5dd2a472093f176951196c4f21148c280cc255b22

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

    Filesize

    40B

    MD5

    fb282a54934fae115dc99737b8631c1b

    SHA1

    9a5fd44b2dd53e443b230d8c78d60d048583aa19

    SHA256

    be886a64dedac04eb4cf9c811554fac259dfc3f456d4aa8ed3b0945afe50c5d0

    SHA512

    8c3053afbc79c427ca6099f71f0be56ae3ad130f08729251661132b03ff051479b7d8a6b714e6cbedcc1605b3f485ea6bbc73695b85b590ec8eec7f09e7f9f1a

  • \Users\Admin\AppData\Local\Temp\Opera GX Installer Temp\1ea9ea950ddb0d4589b7779595b67d2b529c96874685b42962d0df8bf845de61.exe

    Filesize

    3.7MB

    MD5

    f881d3fb8426346ff67681e71690bda7

    SHA1

    e7fb119f0bcead8c79925181a8719304774782e8

    SHA256

    1ea9ea950ddb0d4589b7779595b67d2b529c96874685b42962d0df8bf845de61

    SHA512

    c16cdbd1d66f7b823fe76c3274a49e32e6c8900592f0d529422c9fc855cb91ad316d29121b8512e52d7b00d5dd2a472093f176951196c4f21148c280cc255b22

  • \Users\Admin\AppData\Local\Temp\Opera_installer_221018040241594900.dll

    Filesize

    3.2MB

    MD5

    02362714c4ca244b0b19794aace99fa4

    SHA1

    7eac396a7040021e9a01b5f4f25b6c7763b4e10d

    SHA256

    ddfc14d1ca92caf6972505712149df9beb977b185e20238521c3dae8f0763dcf

    SHA512

    b5feaeca25cb75809d589aea71ef8bae5d02303ff2495feac32187e82bb3d693f1ec105b416c5df99597e4c76b5d84883719fea17d1c2ad1c2a1c964ebd92e3d

  • \Users\Admin\AppData\Local\Temp\Opera_installer_2210180402420192040.dll

    Filesize

    3.2MB

    MD5

    02362714c4ca244b0b19794aace99fa4

    SHA1

    7eac396a7040021e9a01b5f4f25b6c7763b4e10d

    SHA256

    ddfc14d1ca92caf6972505712149df9beb977b185e20238521c3dae8f0763dcf

    SHA512

    b5feaeca25cb75809d589aea71ef8bae5d02303ff2495feac32187e82bb3d693f1ec105b416c5df99597e4c76b5d84883719fea17d1c2ad1c2a1c964ebd92e3d

  • \Users\Admin\AppData\Local\Temp\Opera_installer_2210180402431901880.dll

    Filesize

    3.2MB

    MD5

    02362714c4ca244b0b19794aace99fa4

    SHA1

    7eac396a7040021e9a01b5f4f25b6c7763b4e10d

    SHA256

    ddfc14d1ca92caf6972505712149df9beb977b185e20238521c3dae8f0763dcf

    SHA512

    b5feaeca25cb75809d589aea71ef8bae5d02303ff2495feac32187e82bb3d693f1ec105b416c5df99597e4c76b5d84883719fea17d1c2ad1c2a1c964ebd92e3d

  • memory/900-63-0x0000000000240000-0x00000000007C3000-memory.dmp

    Filesize

    5.5MB

  • memory/900-64-0x00000000029F0000-0x0000000002F73000-memory.dmp

    Filesize

    5.5MB

  • memory/900-55-0x00000000762D1000-0x00000000762D3000-memory.dmp

    Filesize

    8KB

  • memory/900-70-0x0000000000240000-0x00000000007C3000-memory.dmp

    Filesize

    5.5MB

  • memory/900-71-0x00000000029F0000-0x0000000002F73000-memory.dmp

    Filesize

    5.5MB

  • memory/1880-66-0x00000000010D0000-0x0000000001653000-memory.dmp

    Filesize

    5.5MB

  • memory/1880-69-0x00000000010D0000-0x0000000001653000-memory.dmp

    Filesize

    5.5MB

  • memory/2040-65-0x0000000000240000-0x00000000007C3000-memory.dmp

    Filesize

    5.5MB