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Analysis
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max time kernel
149s -
max time network
54s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
11/06/2024, 22:29
Static task
static1
Behavioral task
behavioral1
Sample
34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe
Resource
win10v2004-20240508-en
General
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Target
34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe
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Size
74KB
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MD5
b88e25ea1f5d0ac2427bda18d8a320e5
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SHA1
dbcc0ac9be8aceb50b9d9dc6059c247886759904
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SHA256
34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1
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SHA512
2f12c777c5117c8c627bd13c7963392deccefee7283b73f1bb8860e4ed002a379386c67fd69d2f748f34a9a59f46bfc26a7ef0b124bc1a874abcef6878774673
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SSDEEP
768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOY:RshfSWHHNvoLqNwDDGw02eQmh0HjWOY
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2044 rundll32.exe -
Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.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 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe File created C:\Windows\SysWOW64\¢«.exe 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe File created C:\Windows\system\rundll32.exe 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe -
Modifies registry class 15 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1718144980" rundll32.exe 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 Key created \REGISTRY\MACHINE\Software\Classes\MSipv 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.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\" %*" 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1718144980" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 1904 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe 1904 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe 1904 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe 1904 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe 1904 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe 1904 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe 1904 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe 1904 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe 1904 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe 1904 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe 1904 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe 1904 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe 1904 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe 1904 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe 1904 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe 1904 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe 1904 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe 1904 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe 1904 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe 1904 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe 1904 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe 1904 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe 1904 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe 1904 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe 1904 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe 1904 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe 1904 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe 1904 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2044 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1904 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe 2044 rundll32.exe 2044 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1904 wrote to memory of 2044 1904 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe 84 PID 1904 wrote to memory of 2044 1904 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe 84 PID 1904 wrote to memory of 2044 1904 34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.exe"C:\Users\Admin\AppData\Local\Temp\34261c51fb49b682fb029322c3648e8a8812265c0764d3589c0bee8baedf41e1.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:1904 -
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:2044
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
74KB
MD5097428fbeb1f8c2fdfe1659232008591
SHA1b59653bab7be09afee31d09defd3dbfc3d6e7c8b
SHA256204e86ac567410e6f022f8b7ba518a0006b5079c8cb079e69319c423fd6bf5db
SHA51251cdbb6afc43bbc6ec1e750624ff7881c0dc3ec06631c24f389ca499acbc473363ffb9c6e861b4aa298eb78c274e6a816ca133e256241f25bc1c50e5b41ac975
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Filesize
77KB
MD540c1e918d594152e413a9147d84123e8
SHA10b56f15afd8ce2c9a1642849311fc61217b4a155
SHA256cbce75f6280a21ebda38dc6426ff5d76fd7fa17ea1ebd288f21d16d5cad2e42d
SHA51202107950b2b52773f03996d2f07254474897760d4c756b3f841bc2a63a010c6f747bd8cb4cbcc5d40a4962ab7ecc55a2abc5bc7cf7e4f757fe82eb2efe69ab93