Analysis
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max time kernel
149s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
13/06/2024, 19:42
Static task
static1
Behavioral task
behavioral1
Sample
131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe
Resource
win10v2004-20240508-en
General
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Target
131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe
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Size
82KB
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MD5
cb3e9ac089012bb811edc08abce1e35f
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SHA1
c2f414df59586e332fd17f6f7e54cdf4e03aad6b
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SHA256
131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c
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SHA512
d65a49bc6bd7a92df1628d061c86433b76344000cbd1e511a02e0570de19cb7f824d94be10ea82b6a1ef0666c1a983bf1180e98d9a5443e062e83e767b170c22
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SSDEEP
1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWO5a6M:GhfxHNIreQm+HiKa6M
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1920 rundll32.exe -
Loads dropped DLL 2 IoCs
pid Process 2440 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe 2440 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe -
Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.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\notepad¢¬.exe 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe File opened for modification C:\Windows\SysWOW64\¢«.exe 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe File created C:\Windows\SysWOW64\¢«.exe 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe File created C:\Windows\system\rundll32.exe 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe -
Modifies registry class 15 IoCs
description ioc Process 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 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" 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\MSipv 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1718307779" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1718307779" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2440 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe 2440 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe 2440 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe 2440 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe 2440 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe 2440 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe 2440 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe 2440 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe 2440 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe 2440 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe 2440 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe 2440 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe 2440 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe 2440 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1920 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2440 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe 1920 rundll32.exe 1920 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2440 wrote to memory of 1920 2440 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe 28 PID 2440 wrote to memory of 1920 2440 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe 28 PID 2440 wrote to memory of 1920 2440 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe 28 PID 2440 wrote to memory of 1920 2440 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe 28 PID 2440 wrote to memory of 1920 2440 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe 28 PID 2440 wrote to memory of 1920 2440 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe 28 PID 2440 wrote to memory of 1920 2440 131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe"C:\Users\Admin\AppData\Local\Temp\131737354fa9851c749328facb863eecd106cc0f8ca2841c05e6a0c9a468d80c.exe"1⤵
- Loads dropped DLL
- 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:2440 -
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:1920
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
81KB
MD5cb2b8202fb068311316c694bf1060bb5
SHA1e27e6338b295f6ccbb05a4f5f7144a4fe41c8906
SHA2560e8dd8c3f0ed61352d1b5d800391dfad2c0ff555d49613e27c79e3988ce46d1a
SHA512965dc94dd07091dd6eca6381859ea89f62030ecb6a834bfc138ef162b4ab215d279acdb682c2c59b29d80cbcbf70d2a4b22599e9d7a78644cc11e16ece85ae49
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Filesize
80KB
MD59471125e00413027be8edf37f8ae6555
SHA16be7a6a0d7cadda524e13d1707033fe92244915f
SHA25626870f212355f1f1fe9f2c65d9b9bf455f21bb828dd1b4048ca6dcc485e69dd1
SHA512ebdc92e1dd3518bd74a95ec6f5b48cdab8920cae3441dbb293329747a80943ba4caf08bfb011dde3acf9500f84b40889189db8dabfbe4c00b924dc962842a637