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Analysis
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max time kernel
149s -
max time network
153s -
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, 22:29
Static task
static1
Behavioral task
behavioral1
Sample
caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe
Resource
win10v2004-20240508-en
General
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Target
caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe
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Size
85KB
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MD5
2092c735dfc9b6170fb540950c6300ed
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SHA1
87109eada26428742ad96b6f242b41c7cbb44a72
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SHA256
caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc
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SHA512
8cf40a7ed0801247d4d896745d4a5b09ed7e4a9e8f40aec6ffc49a78b7ac68e057ae61551f63ee9e4e3e495122a34db0cf89bcfdd547e79306b8a59ed95dbc39
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SSDEEP
1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOfxTxyPI6Jj:GhfxHNIreQm+HiIxTxyPI6Jj
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 3128 rundll32.exe -
Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.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 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe File created C:\Windows\SysWOW64\¢«.exe caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe File created C:\Windows\SysWOW64\notepad¢¬.exe caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe File created C:\Windows\system\rundll32.exe caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe -
Modifies registry class 15 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717453780" rundll32.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 Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717453780" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 5036 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe 5036 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe 5036 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe 5036 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe 5036 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe 5036 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe 5036 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe 5036 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe 5036 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe 5036 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe 5036 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe 5036 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe 5036 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe 5036 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe 5036 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe 5036 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe 5036 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe 5036 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe 5036 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe 5036 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe 5036 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe 5036 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe 5036 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe 5036 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe 5036 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe 5036 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe 5036 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe 5036 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3128 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 5036 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe 3128 rundll32.exe 3128 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5036 wrote to memory of 3128 5036 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe 86 PID 5036 wrote to memory of 3128 5036 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe 86 PID 5036 wrote to memory of 3128 5036 caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.exe"C:\Users\Admin\AppData\Local\Temp\caeed6a00ff3f8021f5fc948ec537ea1eee2930ef347b6a9dbb1918aed0e7ebc.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:5036 -
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:3128
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
82KB
MD5ce011bc68669cf6bfcfdceeda3c5e255
SHA1cc300b6c6c73e421d0b9623d38a2dc7ab5fcd844
SHA256549fa1ecdfe18e58faa7fadf0fb6d55464397bdb59d8b64170d4e3d4308de893
SHA5120217df7586c7f8b9486382f4661b63655db31e25b4d0ffe15fb2aaa770b77a6b91a020cba26398e3ec01786f950eb3f36da60e836707162ec5145383abc31576
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Filesize
82KB
MD5f2d5ad61e6e8ebaa72c8c4374d109ce2
SHA12ff4e59067376a4e58e81e624925a576da14bc25
SHA256223bcbff1439efa61b3b67c323e35cbc9ae0aa6ff17562e3558af840d2157530
SHA5122c7a8605fe04494d9466b2ac6d500f18a9168d2572cbaa8da2dd9bbcf141a29e14fa1dc9dc01f5607c766796c10da966994ce9d6ee308bfeeb43384b3d429653