Analysis
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max time kernel
150s -
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, 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 3048 rundll32.exe -
Loads dropped DLL 2 IoCs
pid Process 1444 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1444 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe -
Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process 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 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\¢«.exe f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe File created C:\Windows\SysWOW64\¢«.exe f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe File created 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 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\MainVer = "506" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1718246577" 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 Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1718246577" rundll32.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.exe %1" f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.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¢¬ %1" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1444 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1444 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1444 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1444 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1444 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1444 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1444 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1444 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1444 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1444 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1444 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1444 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1444 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 1444 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3048 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1444 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 3048 rundll32.exe 3048 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1444 wrote to memory of 3048 1444 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 28 PID 1444 wrote to memory of 3048 1444 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 28 PID 1444 wrote to memory of 3048 1444 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 28 PID 1444 wrote to memory of 3048 1444 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 28 PID 1444 wrote to memory of 3048 1444 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 28 PID 1444 wrote to memory of 3048 1444 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 28 PID 1444 wrote to memory of 3048 1444 f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.exe"C:\Users\Admin\AppData\Local\Temp\f8d63c922d188c032aad8312ce06db468744132b1258ba8c40cc7febab50813a.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:1444 -
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:3048
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
76KB
MD5205db5c036d9350f07af4f42a39dda6c
SHA1dfcae7e31b950a1db81ff8ba27adedfa9d0daafb
SHA25617b45836d377972081dba3fa7d5865f5e0a95498bac4bf2e6dc407802518ea0b
SHA512fa2d1ec09511856ef76a3b0b4766b73ffd7c57770c8ef34974de0839dbcb25f509e588d2151f236cbd33460c3ff7c4dcf03112f473ef351c7fc62200c9f93455
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Filesize
78KB
MD5ddfc7025fa09ff38a4dbe898a4358fdd
SHA1d1add8653aaea87154b24afd2672c5ebe68a35a5
SHA25693efa74191794465111a7723f79e4c6fbc2fdbc2bd15409b0acec4a67c18b8dc
SHA512f6599c0f52926d7622d1f7208a79c790b628924546f5f66600de6380ee21e120c53337ec326dd3039556780575871ea0a3dc23fddb112f7e590618fb6951edb8