Analysis
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max time kernel
149s -
max time network
53s -
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, 02:41
Static task
static1
Behavioral task
behavioral1
Sample
36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe
Resource
win10v2004-20240508-en
General
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Target
36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe
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Size
82KB
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MD5
e7f4c95edecf41043f81dbaa2c261fee
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SHA1
c6b25c0a4b18c8dcbfd8831e0d27fb45685f6c92
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SHA256
36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255
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SHA512
82603376ab20de33f2624d5db2307be96008ef3e7071cf182b53c3565fef8c8870e6b969f44cd43b6379d61cf451b410f2b3becfb7e09ef5a02ba14784c0ca6e
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SSDEEP
1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOIEW:GhfxHNIreQm+HiVEW
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4788 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 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe File opened for modification C:\Windows\SysWOW64\¢«.exe 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe File created C:\Windows\SysWOW64\¢«.exe 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe File created C:\Windows\system\rundll32.exe 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.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\MSipv 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1718246518" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1718246518" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%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\" %*" 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 2156 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe 2156 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe 2156 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe 2156 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe 2156 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe 2156 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe 2156 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe 2156 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe 2156 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe 2156 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe 2156 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe 2156 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe 2156 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe 2156 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe 2156 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe 2156 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe 2156 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe 2156 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe 2156 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe 2156 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe 2156 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe 2156 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe 2156 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe 2156 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe 2156 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe 2156 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe 2156 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe 2156 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4788 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2156 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe 4788 rundll32.exe 4788 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2156 wrote to memory of 4788 2156 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe 81 PID 2156 wrote to memory of 4788 2156 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe 81 PID 2156 wrote to memory of 4788 2156 36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.exe"C:\Users\Admin\AppData\Local\Temp\36fe3a0cf3a422ec3df13d3e8800ac84dbef19cffcb5271c2d5f755b42eb7255.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:2156 -
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:4788
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
73KB
MD5d2c0dd76e05e3ed2106089468b2d65a2
SHA1642967312de7e370e19515651b6cb460bec6e87e
SHA25613cd0eb0d1b9065937173ff5e79f8b5088e0690d65e60d3782a491366697d2e3
SHA5128e9c96fe25347aa869797e0ceba8adf0d74ad34a76a24e4fb9eb23dfdfe521b130802e3b2c8ee303f365b2bce51e70ff7bd211645c0c20b79a7ceba5d0dfc69a
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Filesize
82KB
MD500422949fffc8ca4bb348894655587aa
SHA17cbb527077cf4f18b5017cff5c9f6f5ab69f394a
SHA256192655059a179190de27c5916c8797ea5d2b08c5b75b59f5a8d33505359370b7
SHA51287e10b907679cd17829ef9c17106137c6e1d983632def274bca7f41f3b7bf55df9570ad504b0d9a3da1c970359bb40e476c901c23b6813900ba48c3193c2658f