Analysis
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max time kernel
149s -
max time network
51s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
13/06/2024, 02:42
Static task
static1
Behavioral task
behavioral1
Sample
f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe
Resource
win10v2004-20240508-en
General
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Target
f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe
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Size
73KB
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MD5
58b029bf2b76c94d47a3fa8e65ad30ee
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SHA1
d94dd63b62df78e7fdecffeb013c899a512d61a8
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SHA256
f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a
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SHA512
9b05c5897e3e5c2c26cd2ad40fa88c3f1b1fff8981ccf44d695b7145117957d1c6fbf281b20dbbef550c80c18e36185b5ed39159bfb16490c5b8e33e78a815b2
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SSDEEP
768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOrz:RshfSWHHNvoLqNwDDGw02eQmh0HjWOrz
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1520 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 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\SysWOW64\notepad¢¬.exe f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe File opened for modification C:\Windows\SysWOW64\¢«.exe f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe File created C:\Windows\SysWOW64\¢«.exe f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe File created C:\Windows\system\rundll32.exe f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe -
Modifies registry class 15 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1718246574" 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1718246574" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 1140 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1140 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1140 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1140 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1140 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1140 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1140 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1140 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1140 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1140 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1140 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1140 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1140 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1140 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1140 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1140 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1140 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1140 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1140 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1140 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1140 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1140 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1140 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1140 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1140 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1140 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1140 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1140 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1520 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1140 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1520 rundll32.exe 1520 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1140 wrote to memory of 1520 1140 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 85 PID 1140 wrote to memory of 1520 1140 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 85 PID 1140 wrote to memory of 1520 1140 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe"C:\Users\Admin\AppData\Local\Temp\f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.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:1140 -
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:1520
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
78KB
MD5177f4da8702ce3ff6198f84482916fb8
SHA10d3787be02cd3e2ebd02ec085f444e11639698fe
SHA2562c86ca466e6e4979eb3f1e823922bda56d1e0b91698a5bc1f2c878203aca2455
SHA5126cac524b61089924d3e58bd6dc16c1407474d9610174f7f38d8d9a206e3c3bccf2da2dfb2b011cacac404ffa72a35a612970289b1780625f609c799baa9b190a
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Filesize
73KB
MD5d2c0dd76e05e3ed2106089468b2d65a2
SHA1642967312de7e370e19515651b6cb460bec6e87e
SHA25613cd0eb0d1b9065937173ff5e79f8b5088e0690d65e60d3782a491366697d2e3
SHA5128e9c96fe25347aa869797e0ceba8adf0d74ad34a76a24e4fb9eb23dfdfe521b130802e3b2c8ee303f365b2bce51e70ff7bd211645c0c20b79a7ceba5d0dfc69a