Analysis
- max time kernel
149s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
22/05/2026, 18:13
Static task
static1
Behavioral task
behavioral1
Sample
tmpbqfwf8hd.dll
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral2
Sample
tmpbqfwf8hd.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral3
Sample
tmpbqfwf8hd.dll
Resource
win11-20260513-en
General
- Target tmpbqfwf8hd.dll
- Size 241KB
- Sample260522-wt77bacx3j
- SHA256 532e67f58bdc181f0df5428f72356c58a0bcfbd85b721564242983ac6e1e39bc
- MD5 ffa77881125bf57404030e36da398409
- SHA1 656b53696aa723ff9ff0df3181123b9acddeebf5
- SHA512 cfe44bde650e8379bbf005d42eeb1db24b25b513403ce3463abc1624bfb34256828fcdd7a87e936215d94c3ac4083d24c3f0e5d547f245ecb6fcd32abb074a84
- SSDEEP 6144:RiZ1hl93SA4HVd78uWBf2GMWT0e2dbwyVFrCFMD0:RiZXl93x4j78uWIGMdNwp
- TLSH T11734AD2C9980A9E2CD8A13B7E5D59F2F75788C1C7BBD6FB264E23CCB8614910660135F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
zloader
-
DLLobnova
-
newupdate326
-
https://fdsjfjdsfjdsdsjajjs.com/gate.php
-
https://idisaudhasdhasdj.com/gate.php
-
https://dsjdjsjdsadhasdas.com/gate.php
-
https://dsdjfhdsufudhjas.com/gate.php
-
https://dsdjfhdsufudhjas.info/gate.php
-
https://fdsjfjdsfjdsdsjajjs.info/gate.php
-
https://idisaudhasdhasdj.info/gate.php
-
https://dsdjfhdsufudhjas.pro/gate.php
-
https://dsdjfhd9ddksaas.pro/gate.php
-
build_id
82
Signatures
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Zyfuwewe = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\Enug\\zyca.dll,DllRegisterServer" msiexec.exe - Badlisted process makes network request 6 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 25 3396 msiexec.exe 28 3396 msiexec.exe 52 3396 msiexec.exe 58 3396 msiexec.exe 60 3396 msiexec.exe 62 3396 msiexec.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 864 set thread context of 3396 864 rundll32.exe 94 - Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\win.ini rundll32.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msiexec.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeSecurityPrivilege 3396 msiexec.exe Token: SeSecurityPrivilege 3396 msiexec.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 864 rundll32.exe - Suspicious use of SendNotifyMessage 1 IoCs
pid Process 864 rundll32.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3008 wrote to memory of 864 3008 rundll32.exe 87 PID 864 wrote to memory of 3396 864 rundll32.exe 94 PID 864 wrote to memory of 3396 864 rundll32.exe 94
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\tmpbqfwf8hd.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3008 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\tmpbqfwf8hd.dll,#12⤵
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:864 -
C:\Windows\SysWOW64\msiexec.exemsiexec.exe3⤵
- Adds Run key to start application
- Badlisted process makes network request
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3396
-
-