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Analysis
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max time kernel
149s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
23/04/2024, 03:01
Static task
static1
Behavioral task
behavioral1
Sample
3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe
Resource
win10v2004-20240412-en
General
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Target
3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe
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Size
73KB
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MD5
6a0793ab2ddc8c9a85e74c85acca87aa
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SHA1
68e3299f98b63da0c7f950e3338568391df18831
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SHA256
3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b
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SHA512
2a4bd12560f1f0a5e5a8c614b749fdfaf259f82ea702f48bdf86e71d38f02f4381a3df81be82366fedb7c4e9ae5efd5dc84aa8e46116d66ddeb0ea27f2d64722
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SSDEEP
768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWO3R:RshfSWHHNvoLqNwDDGw02eQmh0HjWO3R
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2312 rundll32.exe -
Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.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 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe File created C:\Windows\SysWOW64\¢«.exe 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\system\rundll32.exe 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe File opened for modification C:\Windows\system\rundll32.exe 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe -
Modifies registry class 15 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1713841285" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1713841285" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 4412 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe 4412 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe 4412 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe 4412 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe 4412 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe 4412 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe 4412 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe 4412 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe 4412 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe 4412 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe 4412 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe 4412 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe 4412 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe 4412 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe 4412 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe 4412 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe 4412 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe 4412 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe 4412 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe 4412 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe 4412 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe 4412 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe 4412 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe 4412 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe 4412 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe 4412 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe 4412 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe 4412 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2312 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4412 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe 2312 rundll32.exe 2312 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4412 wrote to memory of 2312 4412 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe 90 PID 4412 wrote to memory of 2312 4412 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe 90 PID 4412 wrote to memory of 2312 4412 3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe"C:\Users\Admin\AppData\Local\Temp\3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.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:4412 -
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:2312
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
76KB
MD55b7f2a156db3d8b4ef81b405bce3b400
SHA12a9cc4cd58535c67197245584b5d323e942c5231
SHA256f8d5a434132f495171e672589c72cc30157924cf9b22d59a5c0a9e5a4b7f463a
SHA512b3e2d4904ab0506ae7df1d701a9214247970e2c6a7cf30d4c33db241329c3758c6d6061376223b0e071f9bdc4c457151df01601bbc1d18de2c3ac22e4e952cbd
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Filesize
84KB
MD539e92a89a7c6940deacc45ef9c8765b5
SHA11c276dccfab612cb3eeddb2593b674cf1b97f33e
SHA256011c9cf0e00a7303172dafd564c91dd0705b0afc1051b5e1c8bf872bb608bd32
SHA5128daf5c4fef740b8bdbc2238cc4f71055d858bdb3d2ab5732258539af042c9ec9aae5c58f3bffe4c67ec5936afef62b076034f337c99a7360325a189900bde3e1