Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
13/06/2024, 19:42
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe
Resource
win7-20240221-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe
Resource
win10v2004-20240508-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe
- Size 83KB
- Sample240613-ye62tayelf
- SHA256 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978
- MD5 bc0ec47b9686c3d0d4bc33cc5604b647
- SHA1 09218de1fe71ae5d6b229edba8004c1e8a1cd66e
- SHA512 bc74bb32dfd71c1ada15a81777d25b8a20a8ef2ad532f8d5c6b265bf41a61f936f1b63f78f0030e43599553a0996b5d0e40aa819728cd62b65706364b41bba54
- SSDEEP 1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWO9ojZh6:GhfxHNIreQm+HiKojZh6
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 544 rundll32.exe - Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process 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 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe - Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\¢«.exe 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe File created C:\Windows\SysWOW64\¢«.exe 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe File created C:\Windows\system\rundll32.exe 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe - Modifies registry class 15 IoCs
description ioc Process 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 (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1718307782" rundll32.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\txtfile\shell\open\command 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1718307782" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe - Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 3016 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe 3016 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe 3016 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe 3016 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe 3016 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe 3016 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe 3016 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe 3016 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe 3016 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe 3016 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe 3016 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe 3016 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe 3016 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe 3016 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe 3016 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe 3016 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe 3016 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe 3016 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe 3016 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe 3016 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe 3016 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe 3016 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe 3016 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe 3016 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe 3016 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe 3016 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe 3016 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe 3016 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 544 rundll32.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 3016 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe 544 rundll32.exe 544 rundll32.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3016 wrote to memory of 544 3016 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe 80 PID 3016 wrote to memory of 544 3016 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe 80 PID 3016 wrote to memory of 544 3016 84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.exe"C:\Users\Admin\AppData\Local\Temp\84dae67bdac33c8b5eeaf5cc05060f0f187b7fe8d9371b912daaef0e17a04978.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:3016 -
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:544
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\notepad¢¬.exe
- Size 78KB
- SHA256 5812d67d8d2fb993e277a584a704a25ab5ae68db54138288f57b897159088bf9
- MD5 b11facb0f549641087590b0c569379f8
- SHA1 1cc07f47589923fb99c6c5b1835ee13d7321bfe3
- SHA512 2414551ce8e9189b22f2be80ad5fa9be9c0720ff0cf77d68430eefa15e1abcc1fc072aaab5b46966536e9c97c75b8b58c20acc7f1752f34001e6d146fd3e8183
- SSDEEP 768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOIN:RshfSWHHNvoLqNwDDGw02eQmh0HjWOIN
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\System\rundll32.exe
- Size 77KB
- SHA256 121e8c0dca38b864085edcaaae9baab1409eed40606755a59f2fb584d46affdd
- MD5 715fecfc8d3a7e1a3b36ea3f710f1184
- SHA1 288a82e24a29fee68fcf825c72692c482c056b8a
- SHA512 7c81886cd21e1f0644763c62f5f303bb84531e03de802a63b347f8a8d507d856e4249c4afa7760aa407300f301f03ce5f749033cd327c0c6df5726789789412d
- SSDEEP 1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOh3:GhfxHNIreQm+HiW3
- MD5 SHA1 SHA512 SSDEEP