Analysis
- max time kernel
149s - max time network
134s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
11/10/2026, 05:59
Behavioral task
behavioral1
Sample
ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe
Resource
win10v2004-20260911-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe
Resource
win11ltsc2024-20260911-en
12 signatures
150 seconds
General
- Target ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe
- Size 75KB
- Sample261011-gp2fmswybv
- SHA256 ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7
- MD5 b2a0819f5e1dc80a495fe5032a0145a2
- SHA1 e826c9932f59ac87c0fba46465c8659ccec93ae3
- SHA512 8c1fa3ea437506337f4f4dfad931a46c48b7d4a57949898db112062e08cab0cfce7341865c42c9d684a3a147e66b4ff257ce5b9bc002cbf43ae3df120ab67ea7
- SSDEEP 1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOaK+:GhfxHNIreQm+HiRK+
- TLSH T115736B9F70D584B9F83452B0186B1BB18577AA50123A5BCB3B98CE7DA53B1375B3C283
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Extracted
Family
-
qqpass
C2
-
http://www.zigui.org/article.php?id=103822
Attributes
-
url
http://www.mxm9191.com/myrunner_up.exe
-
user_agent
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2656 rundll32.exe - Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe - Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\¢«.exe ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe File created C:\Windows\SysWOW64\¢«.exe ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe File created C:\Windows\SysWOW64\notepad¢¬.exe ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe File created C:\Windows\system\rundll32.exe ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname rundll32.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain rundll32.exe - 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 ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe - Modifies registry class 15 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1791698378" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1791698378" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe - Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 2528 ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe 2528 ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe 2528 ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe 2528 ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe 2528 ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe 2528 ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe 2528 ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe 2528 ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe 2528 ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe 2528 ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe 2528 ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe 2528 ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe 2528 ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe 2528 ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe 2528 ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe 2528 ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe 2528 ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe 2528 ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe 2528 ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe 2528 ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe 2528 ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe 2528 ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe 2528 ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe 2528 ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe 2528 ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe 2528 ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe 2528 ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe 2528 ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2656 rundll32.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2528 ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe 2656 rundll32.exe 2656 rundll32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2528 wrote to memory of 2656 2528 ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe"C:\Users\Admin\AppData\Local\Temp\ca1acbe710384b6ca61bdf70b089382819cccd6a45e0f9de857680daed4332f7.exe"1⤵
- Modifies system executable filetype association
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2528 -
C:\Windows\system\rundll32.exeC:\Windows\system\rundll32.exe2⤵
- Executes dropped EXE
- Modifies system executable filetype association
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2656
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\notepad¢¬.exe
- Size 77KB
- SHA256 8d0ac6c9d872f67469d6ffe0d670780516b12176fa57c939bae2d6c7158a1a6d
- MD5 e1325dd71d723c328c677bc84fb3e5e3
- SHA1 9d6833bd38f3c297f70b845df5a3bc348bd0476e
- SHA512 ba05e4eff7239a45d04777bcae7ebbc067211b73e418216c775fafd6ac49ae86348bca198eb76124cce92215c56bc1298c733c28d77f227c64b2f3aae0c802fd
- SSDEEP 1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOou4:GhfxHNIreQm+Hipu4
- TLSH T148735A9F74D584B9F83456B014AB17F18537BA50023A5BCB3B98CE79A53B1365B3C283
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\System\rundll32.exe
- Size 75KB
- SHA256 d3d665cdeba9e1117b0a4018263a62c353f0cc64052a2dfc0c3b34d6347a8c11
- MD5 f3244faeaeb6942db8ee3005903d114b
- SHA1 9a4b16367fdaae2b4e298af4e626785aa859810d
- SHA512 55be214301c7acd0fbde931addb7574516f67c8314150362499c94e15390ba63958ed8875a9e7ff747a24b2a81d1df72101f60fba9fb16218eb05f9e31f1a8b5
- SSDEEP 1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOER0:GhfxHNIreQm+HihR0
- TLSH T114736B9F74D584B9F82452B014AB0BF18577AA50123A5BCB3B98CE7DA53B1375B3C283
- MD5 SHA1 SHA512 SSDEEP TLSH