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Analysis
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max time kernel
150s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
12/10/2023, 04:32
Static task
static1
Behavioral task
behavioral1
Sample
3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe
Resource
win10v2004-20230915-en
General
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Target
3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe
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Size
81KB
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MD5
39946c783d92988d63d627ec98e0077c
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SHA1
234072a15b1cb89fbde180d4a2380871ba6d04e2
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SHA256
3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086
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SHA512
b8280ce9f5a420ab2164ace726f2f88e02ace732c1e59b8de47b2e3ca434a792b54c32a3972af2d20d2250f247f190cf2f865d56376e3a438c1b8b50a490092f
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SSDEEP
768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWO0j:RshfSWHHNvoLqNwDDGw02eQmh0HjWOg
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1748 rundll32.exe -
Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.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 Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\¢«.exe 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe File created C:\Windows\SysWOW64\¢«.exe 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe File created C:\Windows\system\rundll32.exe 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe -
Modifies registry class 15 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.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 Key created \REGISTRY\MACHINE\Software\Classes\MSipv 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1697182676" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1697182676" 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 Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 3480 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 3480 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 3480 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 3480 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 3480 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 3480 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 3480 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 3480 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 3480 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 3480 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 3480 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 3480 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 3480 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 3480 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 3480 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 3480 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 3480 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 3480 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 3480 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 3480 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 3480 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 3480 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 3480 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 3480 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 3480 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 3480 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 3480 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 3480 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1748 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 3480 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 1748 rundll32.exe 1748 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3480 wrote to memory of 1748 3480 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 84 PID 3480 wrote to memory of 1748 3480 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 84 PID 3480 wrote to memory of 1748 3480 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe"C:\Users\Admin\AppData\Local\Temp\3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.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:3480 -
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:1748
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
82KB
MD54231978b8f669707cecb59fc7e2e6c58
SHA1cd73f4c623f4ab57135f1f58bbdd5974b7895adc
SHA25639e53e7ff822e74af48737c8596c36d9adb6eb4b2364e39bc9ff7fc553a91551
SHA512d2a49b01ac53e7bd7f431128f223a806274da135ae26701481f9e5536a06d1618e9ff2ad8d1de88a2475d531da1e104cd598689fbb95143b608c48402bdadee1
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Filesize
82KB
MD562b2f9915ac9cd0116c955759e487aac
SHA1e643084f7b3eb835fcee0e8fe8a4ae320fc3e567
SHA256c4837c7dd23db8356b2b894becfbcd308f38f1a2a52708f729e1bdc395e64179
SHA5125edf6d8222dc9cd1ad8c08cf68471e41b2579df2527acad2392d512822181817147b732e105ed4fd2ab34d2ad8609045631d6b305b494d8ff8fd09efa1c65c57
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Filesize
82KB
MD562b2f9915ac9cd0116c955759e487aac
SHA1e643084f7b3eb835fcee0e8fe8a4ae320fc3e567
SHA256c4837c7dd23db8356b2b894becfbcd308f38f1a2a52708f729e1bdc395e64179
SHA5125edf6d8222dc9cd1ad8c08cf68471e41b2579df2527acad2392d512822181817147b732e105ed4fd2ab34d2ad8609045631d6b305b494d8ff8fd09efa1c65c57