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Analysis
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max time kernel
149s -
max time network
102s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
03/06/2024, 22:32
Static task
static1
Behavioral task
behavioral1
Sample
9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe
Resource
win10v2004-20240508-en
General
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Target
9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe
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Size
79KB
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MD5
813cdf19671a3a13a7ee95255b37faec
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SHA1
55ec7296d7b9560b5716c4f72b8a472499748407
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SHA256
9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7
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SHA512
b0219c95b63e3b65012c2061af0e19cfec152ee10f8389f227354c8fc97f504b70b3b070c5b5b29d771f4a98a5ade6d97745b015f5628f1c5031cc2f73104399
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SSDEEP
1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWODfz:GhfxHNIreQm+HiOfz
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 3196 rundll32.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\" %*" 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.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 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\SysWOW64\¢«.exe 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe File opened for modification C:\Windows\SysWOW64\¢«.exe 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe File created C:\Windows\system\rundll32.exe 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.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\txtfile\shell\open\command 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717453956" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717453956" 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.exe %1" 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\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\MSipv 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 3980 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe 3980 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe 3980 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe 3980 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe 3980 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe 3980 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe 3980 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe 3980 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe 3980 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe 3980 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe 3980 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe 3980 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe 3980 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe 3980 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe 3980 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe 3980 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe 3980 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe 3980 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe 3980 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe 3980 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe 3980 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe 3980 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe 3980 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe 3980 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe 3980 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe 3980 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe 3980 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe 3980 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3196 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 3980 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe 3196 rundll32.exe 3196 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3980 wrote to memory of 3196 3980 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe 85 PID 3980 wrote to memory of 3196 3980 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe 85 PID 3980 wrote to memory of 3196 3980 9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.exe"C:\Users\Admin\AppData\Local\Temp\9f240473e54113b206e777b13b32f04532a9a60d10d474550d8255e9de536da7.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:3980 -
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:3196
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
81KB
MD5cdb8cc76778cbd396be570197f67342a
SHA17830aac4e2421615ab9dce0b1a4c88f5f23106ed
SHA2567dbc29a6b767b8c987b7373d9cdc2dbb60eab60b7eb9ab6ea5e66ecbd648b89f
SHA512814d86d7be469fa2373a81ed22594970a4d36de0b75fe4379e53ef49f3f51c3fbcddad4b5c6d6da07a16e56c7f177224dc9fbb612b4b8a9c33e940e8cf387c9c
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Filesize
73KB
MD5d2c0dd76e05e3ed2106089468b2d65a2
SHA1642967312de7e370e19515651b6cb460bec6e87e
SHA25613cd0eb0d1b9065937173ff5e79f8b5088e0690d65e60d3782a491366697d2e3
SHA5128e9c96fe25347aa869797e0ceba8adf0d74ad34a76a24e4fb9eb23dfdfe521b130802e3b2c8ee303f365b2bce51e70ff7bd211645c0c20b79a7ceba5d0dfc69a