Analysis
- max time kernel
150s - max time network
127s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
07/10/2026, 04:37
Behavioral task
behavioral1
Sample
b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe
Resource
win10v2004-20260911-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe
Resource
win11ltsc2024-20260911-en
12 signatures
150 seconds
General
- Target b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe
- Size 77KB
- Sample261007-e81x4sby5t
- SHA256 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de
- MD5 73e47ba126b30dc316a54734e4865d7c
- SHA1 e32393f936b11053564d130eb320402beb9c4d06
- SHA512 6defd75fbe9fe6d29b6b549348e3e516a35f1f66cc1b62e0c610ad1fb5b7444c8253d74c238facc0f5a70f700d16d2ee060dfd9a247b8c5d0c82d981ada3aa19
- SSDEEP 1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWODJra:GhfxHNIreQm+HioJra
- TLSH T101734A9F70E584B9F83452B0196A07F18577BA50123A5BCF3B98CE7DA53A1365B3C283
- 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 6068 rundll32.exe - Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.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 - Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\¢«.exe b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe File created C:\Windows\SysWOW64\¢«.exe b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe File created C:\Windows\SysWOW64\notepad¢¬.exe b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe File created C:\Windows\system\rundll32.exe b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.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 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe - Modifies registry class 15 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 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 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1791347850" 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1791347850" rundll32.exe - Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 880 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe 880 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe 880 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe 880 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe 880 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe 880 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe 880 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe 880 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe 880 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe 880 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe 880 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe 880 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe 880 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe 880 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe 880 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe 880 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe 880 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe 880 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe 880 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe 880 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe 880 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe 880 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe 880 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe 880 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe 880 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe 880 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe 880 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe 880 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 6068 rundll32.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 880 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe 6068 rundll32.exe 6068 rundll32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 880 wrote to memory of 6068 880 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe"C:\Users\Admin\AppData\Local\Temp\b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.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:880 -
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:6068
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\notepad¢¬.exe
- Size 83KB
- SHA256 030d1483a2cc0b72a347d77e007d39b602e4b7ce2b2f05fa629e511241afa806
- MD5 8dc3b6faa5ec61219c56a2c21d807f92
- SHA1 6381fe08aacd775f2bfb0bf8b38689ac6f78e429
- SHA512 74bf31b8ffc239f69ac5ade28ce91e9293edef0adcc0a89787b278f0081bd740028d328e9ff41ccf1029c7e487675c77c35c044db67bb8d08e0756c8839e80d0
- SSDEEP 1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWO+j1+:GhfxHNIreQm+HiXj1+
- TLSH T15A8329ABB4D644B9F43452706AAA07F2C533B560123647CF3B98CF69753E0366B2D283
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\System\rundll32.exe
- Size 85KB
- SHA256 effdc08cb8934b38b88dbc4425893d0472b42fcbb5922023dcaedef2c2bae59a
- MD5 9427347b931b310b4c1c84065bba0287
- SHA1 dc5a9890329db34e81cabf4659cb40b0d90b241b
- SHA512 1eb013e6a7a74941336bd8f97aeab700aa9a8c8d33ba8fffc057fe2e65b7562b7ec585a89c9a71ba7d1a3b2b7d0b6efecb4920e4fdcadc1c17f6eb8bebf55fcd
- SSDEEP 1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOHS8jHHXnvw1:GhfxHNIreQm+HikS8jHHXnvw1
- TLSH T188833AAFB4D644B9F43456706AAA06F2C633B56006364BCF3B58CF69753E0366B2D243
- MD5 SHA1 SHA512 SSDEEP TLSH