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Analysis
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max time kernel
149s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
22/09/2023, 01:37
Static task
static1
Behavioral task
behavioral1
Sample
106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe
Resource
win10v2004-20230915-en
General
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Target
106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe
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Size
80KB
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MD5
d73cc88a11454fcd647a25a0faa794d4
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SHA1
ce1c2f23c72bd538113f667c5be380e7adce03f6
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SHA256
106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039
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SHA512
0fbf04643d2fe256ab74036a6026ee9213f05d62e18552e39d168b8fc0660f47d00623bbb6a1e824960f6da7bcfeaf9b61990df22d84d94c44bffce73fa1a00b
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SSDEEP
1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWO6SSYS+Z4:GhfxHNIreQm+HiRSSYS+Z4
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4832 rundll32.exe -
Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process 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 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\SysWOW64\notepad¢¬.exe 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe File opened for modification C:\Windows\SysWOW64\¢«.exe 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe File created C:\Windows\SysWOW64\¢«.exe 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe File created C:\Windows\system\rundll32.exe 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe -
Modifies registry class 15 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1695346633" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 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 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1695346633" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 220 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe 220 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe 220 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe 220 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe 220 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe 220 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe 220 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe 220 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe 220 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe 220 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe 220 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe 220 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe 220 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe 220 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe 220 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe 220 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe 220 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe 220 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe 220 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe 220 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe 220 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe 220 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe 220 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe 220 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe 220 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe 220 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe 220 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe 220 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4832 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 220 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe 4832 rundll32.exe 4832 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 220 wrote to memory of 4832 220 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe 83 PID 220 wrote to memory of 4832 220 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe 83 PID 220 wrote to memory of 4832 220 106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe"C:\Users\Admin\AppData\Local\Temp\106f144755c3fa7a4889ac317843d5ba3e7032edad689423ee5c5a18ab1fd039.exe"1⤵
- Modifies system executable filetype association
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:220 -
C:\Windows\system\rundll32.exeC:\Windows\system\rundll32.exe2⤵
- Executes dropped EXE
- Modifies system executable filetype association
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:4832
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
77KB
MD506f89fdbd0391e72bd2bee1abfa0159c
SHA1de64ecccca9ece7f9b3b285a0f6cdab88561f79f
SHA25624451551ad1c2d300430f516c5eb319741fb42feb4f252abd8dbf8ac88d0857b
SHA512d76f4d3a923bf1a57b65c1809048b216816ed14d151516175e96722a2566a56a29be82a492e6bd22b3108429ebea368c0d8faa493144eac08190eae11c756b39
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Filesize
81KB
MD50ac4ff093ae538302f112c90916ff615
SHA1df099a40190d13da6ec73654bd5ea2f3454ea2b9
SHA2569389b591c0062d4d0551ccc339ceb74d1ae68d9ccc41d2ec0d82fbcb7f2aa0d6
SHA5123be714fb9e3eec09f86b32aeda25ed8677a78db6f0339183877db7bc5f35c7446b8298d756744bcb8fd6224632567ba159db1b59dc807eaff8ae5ef7fcf0ba7e
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Filesize
81KB
MD50ac4ff093ae538302f112c90916ff615
SHA1df099a40190d13da6ec73654bd5ea2f3454ea2b9
SHA2569389b591c0062d4d0551ccc339ceb74d1ae68d9ccc41d2ec0d82fbcb7f2aa0d6
SHA5123be714fb9e3eec09f86b32aeda25ed8677a78db6f0339183877db7bc5f35c7446b8298d756744bcb8fd6224632567ba159db1b59dc807eaff8ae5ef7fcf0ba7e