Analysis
- max time kernel
150s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
23/08/2026, 18:06
Behavioral task
behavioral1
Sample
634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe
Resource
win10v2004-20260513-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe
Resource
win11ltsc2024-20260709-en
11 signatures
150 seconds
General
- Target 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe
- Size 80KB
- Sample260823-wp3q2aah93
- SHA256 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d
- MD5 ef31417595be164a8b20c7b643e06a67
- SHA1 8ff68a2cd1f9798d163e7c45aab50a45a51b7c52
- SHA512 04f50c834b173b3a0bf3cf52564c2b4bdc21900575cc5038e2d73ddefd8464c02f47d8d8037071cd7a2145546e3acad4be4d36a31c01d796e7baa1c7473b7f7b
- SSDEEP 1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOEtq:GhfxHNIreQm+HiJtq
- TLSH T178834A9F74D584B9F83452B069AA07F2C137B66012364BCF3B98CF69A53E136572D283
- 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 1464 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\" %*" 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe - Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe File opened for modification C:\Windows\SysWOW64\¢«.exe 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe File created C:\Windows\SysWOW64\¢«.exe 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe File created C:\Windows\system\rundll32.exe 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.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 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe - Modifies registry class 15 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1787508406" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.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 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1787508406" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe - Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 4364 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe 4364 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe 4364 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe 4364 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe 4364 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe 4364 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe 4364 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe 4364 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe 4364 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe 4364 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe 4364 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe 4364 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe 4364 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe 4364 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe 4364 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe 4364 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe 4364 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe 4364 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe 4364 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe 4364 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe 4364 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe 4364 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe 4364 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe 4364 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe 4364 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe 4364 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe 4364 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe 4364 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1464 rundll32.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4364 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe 1464 rundll32.exe 1464 rundll32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4364 wrote to memory of 1464 4364 634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.exe"C:\Users\Admin\AppData\Local\Temp\634a4a796dcd588fa17d8f6b885316c485ceb694554e53ceb1739a83f2458a8d.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:4364 -
C:\Windows\system\rundll32.exeC:\Windows\system\rundll32.exe2⤵
- Executes dropped EXE
- Modifies system executable filetype association
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1464
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\notepad¢¬.exe
- Size 78KB
- SHA256 462f087b0c3d2b6522b0c125ed502e620d385ac8cd6143f4d37f875e1d4c55fc
- MD5 ca69066cc335d968d8f4473ebff25446
- SHA1 1d9811e2e7d8d90f8a22730e5588afb3fe951a38
- SHA512 f9f0add3d4de0a5715d2403ada86982628296d38e804bd3021f0edde884ce346fee949c55dcfdb1460c4939af6dfe11c0d46bae0515425fda66a01689f885aa4
- SSDEEP 1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOJNsdlx:GhfxHNIreQm+Hi8Nsdlx
- TLSH T182735B9F74D584B9F83452B0146B07F28177BA50123A5BCF3B98CE79A53A1365B3C283
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\System\rundll32.exe
- Size 81KB
- SHA256 99f0c9f7df3aaae69e07de1d070defa39fe02049aba27de9e1500652c16c859e
- MD5 519eed1327345b51d9bd6a8d8bb1c673
- SHA1 ea50ebf93a8f1213abb7e1c6541283e192108408
- SHA512 81ef3f5cb925200b9caadf7c80d26e297ef654f926d8e093688ac4c4e1e458cf7c300b5df24ce20cb883240cbad451616b3f75757b8eb2c5118eca73e6e972e2
- SSDEEP 1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWO6A/Kka:GhfxHNIreQm+HihA/Kka
- TLSH T141834B5F70D544B9F83456B069AA07F2C533B950023A5BCF3B98CE79B53A1366B2D283
- MD5 SHA1 SHA512 SSDEEP TLSH