Analysis
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max time kernel
149s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-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 2592 rundll32.exe -
Loads dropped DLL 2 IoCs
pid Process 1304 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 1304 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.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 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 -
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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.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 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 (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1697182673" 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 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1697182673" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1304 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 1304 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 1304 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 1304 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 1304 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 1304 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 1304 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 1304 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 1304 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 1304 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 1304 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 1304 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 1304 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 1304 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2592 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1304 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 2592 rundll32.exe 2592 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1304 wrote to memory of 2592 1304 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 28 PID 1304 wrote to memory of 2592 1304 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 28 PID 1304 wrote to memory of 2592 1304 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 28 PID 1304 wrote to memory of 2592 1304 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 28 PID 1304 wrote to memory of 2592 1304 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 28 PID 1304 wrote to memory of 2592 1304 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 28 PID 1304 wrote to memory of 2592 1304 3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe"C:\Users\Admin\AppData\Local\Temp\3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.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:1304 -
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:2592
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
81KB
MD5b0d006d714bad364439fe3bb7558ccf7
SHA13f6ac87b563018b511ae80829c4448f94f67ef08
SHA256760b575cadfed883f6ed10568122559d92b1b790c3cf8db6340fae6010e852e0
SHA512ef6b2e2af9972e78cc203a82baa57fdff6c765aa03f741dcc0a526b3841f570c0c773a7a34f872db145bdd057039525cb122bbf18521d17ef94d7e34b784bd76
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Filesize
74KB
MD56b8e35fa8db2740de173ddd55057fcb3
SHA1cd7782224c8b942049136ac1e41e4f952da0e01d
SHA2569ebc89b98319436298eaec3a341a4a5d9611870a96a4718d1e92ec7defc67b16
SHA5122624c3b6d15be825a49d4b61b6316b44e660c37786396053fb972f2e1c52f94454f8b9ae097be4bfd9984ece293a26fafabba76d4a826decaf7d1f5de0c85e89
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Filesize
74KB
MD56b8e35fa8db2740de173ddd55057fcb3
SHA1cd7782224c8b942049136ac1e41e4f952da0e01d
SHA2569ebc89b98319436298eaec3a341a4a5d9611870a96a4718d1e92ec7defc67b16
SHA5122624c3b6d15be825a49d4b61b6316b44e660c37786396053fb972f2e1c52f94454f8b9ae097be4bfd9984ece293a26fafabba76d4a826decaf7d1f5de0c85e89
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Filesize
74KB
MD56b8e35fa8db2740de173ddd55057fcb3
SHA1cd7782224c8b942049136ac1e41e4f952da0e01d
SHA2569ebc89b98319436298eaec3a341a4a5d9611870a96a4718d1e92ec7defc67b16
SHA5122624c3b6d15be825a49d4b61b6316b44e660c37786396053fb972f2e1c52f94454f8b9ae097be4bfd9984ece293a26fafabba76d4a826decaf7d1f5de0c85e89
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Filesize
74KB
MD56b8e35fa8db2740de173ddd55057fcb3
SHA1cd7782224c8b942049136ac1e41e4f952da0e01d
SHA2569ebc89b98319436298eaec3a341a4a5d9611870a96a4718d1e92ec7defc67b16
SHA5122624c3b6d15be825a49d4b61b6316b44e660c37786396053fb972f2e1c52f94454f8b9ae097be4bfd9984ece293a26fafabba76d4a826decaf7d1f5de0c85e89