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Analysis
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max time kernel
149s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
24/05/2024, 08:32
Static task
static1
Behavioral task
behavioral1
Sample
305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe
Resource
win10v2004-20240426-en
General
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Target
305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe
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Size
75KB
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MD5
711c778de0a35b22f942eca52aa3ccc9
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SHA1
d85bed1355840eb7ab93883b09b2246c750e9c25
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SHA256
305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86
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SHA512
361fa180df20c7376a1264af5e6cb976665587212c00a924c8f3587405848be34d2d1b1bc68c3504cfd903789f99fe1d3da2624eba96f4d51c221848e36bfd43
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SSDEEP
768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWORb:RshfSWHHNvoLqNwDDGw02eQmh0HjWORb
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2228 rundll32.exe -
Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.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 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe File created C:\Windows\SysWOW64\¢«.exe 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe File created C:\Windows\system\rundll32.exe 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe -
Modifies registry class 15 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 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\" %*" 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1716539581" 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 Key created \REGISTRY\MACHINE\Software\Classes\MSipv 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1716539581" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 3092 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe 3092 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe 3092 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe 3092 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe 3092 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe 3092 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe 3092 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe 3092 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe 3092 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe 3092 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe 3092 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe 3092 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe 3092 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe 3092 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe 3092 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe 3092 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe 3092 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe 3092 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe 3092 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe 3092 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe 3092 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe 3092 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe 3092 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe 3092 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe 3092 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe 3092 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe 3092 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe 3092 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2228 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 3092 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe 2228 rundll32.exe 2228 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3092 wrote to memory of 2228 3092 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe 88 PID 3092 wrote to memory of 2228 3092 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe 88 PID 3092 wrote to memory of 2228 3092 305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.exe"C:\Users\Admin\AppData\Local\Temp\305c49858f2320f2eff22a03f1b2ab3961c79b18090d11df345ae7c823cbef86.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:3092 -
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:2228
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
82KB
MD5a721853ffbb82871df5b16983a05b364
SHA14e59a583e3aadc2a13e9436a2e116995de043a9d
SHA256ddd2e357822367552f1a1cc8c2d4282fd0e6dc36691a7a8f68290bfa83377b7e
SHA512e383ec9dbcf649c65667f62580256ddf89142dc29df7833417df6da570d01b97b4ff6be62fde042368167e84b77c1eb7edc0826d0f785951644a4263942bb840
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Filesize
73KB
MD5d2c0dd76e05e3ed2106089468b2d65a2
SHA1642967312de7e370e19515651b6cb460bec6e87e
SHA25613cd0eb0d1b9065937173ff5e79f8b5088e0690d65e60d3782a491366697d2e3
SHA5128e9c96fe25347aa869797e0ceba8adf0d74ad34a76a24e4fb9eb23dfdfe521b130802e3b2c8ee303f365b2bce51e70ff7bd211645c0c20b79a7ceba5d0dfc69a