Analysis
- max time kernel
149s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
07/10/2026, 04:37
General
- Target b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de.exe
- Size 77KB
- Sample261007-e81x4sby5t
- SHA256 b2f008258c1961deb361b6307004d5d508a3afeb28f21ecd4bde634e13da83de
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
- Family: QQpass
QQpass is a trojan written in C++..
- Executes dropped EXE 1 IoCs
- Modifies system executable filetype association 2 TTPs 5 IoCs
- Drops file in System32 directory 4 IoCs
- Drops file in Windows directory 2 IoCs
- 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.
- 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.
- Modifies registry class 15 IoCs
- Suspicious behavior: EnumeratesProcesses 28 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of SetWindowsHookEx 3 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
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
-
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
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
notepad¢¬.exe
rundll32.exe
memory/1728-13-0x000000000040B000-0x000000000040C000-memory.dmp
memory/1728-18-0x0000000000400000-0x0000000000415A00-memory.dmp
memory/4772-0-0x0000000000400000-0x0000000000415A00-memory.dmp
memory/4772-17-0x0000000000400000-0x0000000000415A00-memory.dmp