Analysis
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max time kernel
168s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
12-10-2023 01:38
Static task
static1
Behavioral task
behavioral1
Sample
ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe
Resource
win10v2004-20230915-en
General
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Target
ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe
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Size
79KB
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MD5
6f8769926269c69b3d27e4a7851d2763
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SHA1
39d7839269a804b55dc3b68d947d8c1acb0cfd23
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SHA256
ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614
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SHA512
e771b47e9e2c20029df1467c6adf5eeb58ae3f2d0a4ddb43c17c2d231eb6477decbdb899199ee70c7d056b920967434fee038910f24caf84e53e8779acf1ec3b
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SSDEEP
1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWO0p/:GhfxHNIreQm+Hi5p/
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2892 rundll32.exe -
Loads dropped DLL 2 IoCs
pid Process 2964 ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe 2964 ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.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\" %*" ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.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 ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\¢«.exe ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe File created C:\Windows\SysWOW64\¢«.exe ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe File created C:\Windows\SysWOW64\notepad¢¬.exe ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe File created C:\Windows\system\rundll32.exe ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe -
Modifies registry class 15 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\MSipv ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1697162287" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.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\txtfile\shell\open\command\ = "notepad¢¬ %1" 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\" %*" ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1697162287" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2964 ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe 2964 ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe 2964 ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe 2964 ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe 2964 ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe 2964 ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe 2964 ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe 2964 ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe 2964 ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe 2964 ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe 2964 ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe 2964 ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe 2964 ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe 2964 ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2892 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2964 ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe 2892 rundll32.exe 2892 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2964 wrote to memory of 2892 2964 ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe 28 PID 2964 wrote to memory of 2892 2964 ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe 28 PID 2964 wrote to memory of 2892 2964 ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe 28 PID 2964 wrote to memory of 2892 2964 ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe 28 PID 2964 wrote to memory of 2892 2964 ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe 28 PID 2964 wrote to memory of 2892 2964 ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe 28 PID 2964 wrote to memory of 2892 2964 ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.exe"C:\Users\Admin\AppData\Local\Temp\ec87276074083160eedb9004de7e4cb879d6662b9404eecc16c16f2a52ebc614.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:2964 -
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:2892
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
76KB
MD517d5348ad089d35d8ee8f0a08564cf06
SHA1e53d646ad6effccb38fd66cc1266ec5d0401ed0e
SHA25693cb776d1e3c4447c01dbbc12fc7a1460c1d8042120f0e003bc80bcfba5f0836
SHA512671213421d9c16891ea4a48c2cd424b49082ed681f94c46fedd2a1bb146ea7657f2d68c5e33dcf7a1d3544cfbd1eca2e831db2b6ce2b6f8a3216d362a5bc1c95
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Filesize
74KB
MD5fae8a6e51ce889c00446d3bcc8552f40
SHA1c96c297fca1c6bff4d037d0d3f1370b04316c16b
SHA2561d916651397b2a99ee04bcd7da2c1cb711471b6f7aa57ea63ac9bb1fbfe41cd2
SHA5127a2979d63f12feba80dc4ddc71c71a02557eee510877e8d934df4272f169bb99255a47e19a6f18ad81740c6ea94ebb8ac9352d217b5e264085064938b5a25b80
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Filesize
74KB
MD5fae8a6e51ce889c00446d3bcc8552f40
SHA1c96c297fca1c6bff4d037d0d3f1370b04316c16b
SHA2561d916651397b2a99ee04bcd7da2c1cb711471b6f7aa57ea63ac9bb1fbfe41cd2
SHA5127a2979d63f12feba80dc4ddc71c71a02557eee510877e8d934df4272f169bb99255a47e19a6f18ad81740c6ea94ebb8ac9352d217b5e264085064938b5a25b80
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Filesize
74KB
MD5fae8a6e51ce889c00446d3bcc8552f40
SHA1c96c297fca1c6bff4d037d0d3f1370b04316c16b
SHA2561d916651397b2a99ee04bcd7da2c1cb711471b6f7aa57ea63ac9bb1fbfe41cd2
SHA5127a2979d63f12feba80dc4ddc71c71a02557eee510877e8d934df4272f169bb99255a47e19a6f18ad81740c6ea94ebb8ac9352d217b5e264085064938b5a25b80
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Filesize
74KB
MD5fae8a6e51ce889c00446d3bcc8552f40
SHA1c96c297fca1c6bff4d037d0d3f1370b04316c16b
SHA2561d916651397b2a99ee04bcd7da2c1cb711471b6f7aa57ea63ac9bb1fbfe41cd2
SHA5127a2979d63f12feba80dc4ddc71c71a02557eee510877e8d934df4272f169bb99255a47e19a6f18ad81740c6ea94ebb8ac9352d217b5e264085064938b5a25b80