Analysis
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max time kernel
149s -
max time network
102s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
02/06/2024, 22:29
Static task
static1
Behavioral task
behavioral1
Sample
03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe
Resource
win10v2004-20240426-en
General
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Target
03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe
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Size
76KB
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MD5
44817553bd1e3901821a98120102158c
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SHA1
f436c185af1ecad633c97b6ee12cc48ec6bffce2
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SHA256
03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666
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SHA512
2a404d2bfadca817a110e634601fea5e39f80bf22fff1e4beb43b3d89f8b33deca25eda3179bd5770b39ecf827e709c134d58e639d040afce1447d77a7eeeab2
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SSDEEP
1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWO0+:GhfxHNIreQm+HiH+
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2192 rundll32.exe -
Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.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 created C:\Windows\SysWOW64\¢«.exe 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe File opened for modification C:\Windows\SysWOW64\¢«.exe 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\system\rundll32.exe 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe File opened for modification C:\Windows\system\rundll32.exe 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe -
Modifies registry class 15 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717367379" 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.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\txtfile\shell\open\command 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717367379" 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 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 2720 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2720 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2720 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2720 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2720 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2720 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2720 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2720 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2720 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2720 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2720 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2720 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2720 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2720 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2720 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2720 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2720 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2720 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2720 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2720 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2720 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2720 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2720 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2720 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2720 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2720 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2720 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2720 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2192 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2720 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2192 rundll32.exe 2192 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2720 wrote to memory of 2192 2720 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 85 PID 2720 wrote to memory of 2192 2720 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 85 PID 2720 wrote to memory of 2192 2720 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe"C:\Users\Admin\AppData\Local\Temp\03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.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:2720 -
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:2192
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
75KB
MD576d34b0faf8a356668d0dbd909594cdf
SHA11b0463ae732fd461deae7598251403d8e4a91e9a
SHA25665143cdf6c14f3871f0d3f4232454daa042cba66aab4a1d7f3a6d3250a15a313
SHA512d0c4a12057d1375fde6fa47d187bc60c7b5d6f62b17bfc7fb9f449ab98d3297937b88aec966ac1a4d862c7d0f99aba47b00ee65e538ecc062b5b7fd08e417cc6
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Filesize
82KB
MD5388dd5f4b72ad505c9fca603739aa82c
SHA175bf92c7bb8793e6dd9821e99bcf0b152bb7ef89
SHA256a6fe2f464ab5a693b37c56da0469eb10ec9303011afe6a51b3c478741d379f4e
SHA512420046fd105093f6db82ee4edf7f46a5b95155d2f9135c45b5d1ed628a3e8a3a017bc5d60a776d12c1fa27fe097a3acc47540642a951c572ffde975a081eb789