Analysis
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max time kernel
149s -
max time network
106s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
01/06/2024, 06:29
Static task
static1
Behavioral task
behavioral1
Sample
7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
Resource
win10v2004-20240508-en
General
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Target
7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
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Size
77KB
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MD5
b8e4bac89505dba6d45ff075f79b60f6
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SHA1
c675c30890e5471d8186fa40b53b9889ed307904
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SHA256
7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5
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SHA512
fcff4c788436ec87ea61802739990457db2620d0fcd922684c52adb66c8d34c45bd4158bd637b1a95cdd4e984392e1c42cd90e524872115b00f61dfc639b39e4
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SSDEEP
1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOih/:GhfxHNIreQm+HiZh/
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1584 rundll32.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\" %*" 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.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 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\¢«.exe 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe File created C:\Windows\SysWOW64\¢«.exe 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe File created C:\Windows\system\rundll32.exe 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe -
Modifies registry class 15 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\MSipv 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.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 rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717223373" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717223373" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 2024 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe 2024 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe 2024 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe 2024 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe 2024 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe 2024 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe 2024 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe 2024 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe 2024 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe 2024 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe 2024 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe 2024 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe 2024 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe 2024 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe 2024 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe 2024 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe 2024 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe 2024 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe 2024 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe 2024 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe 2024 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe 2024 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe 2024 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe 2024 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe 2024 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe 2024 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe 2024 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe 2024 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1584 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2024 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe 1584 rundll32.exe 1584 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2024 wrote to memory of 1584 2024 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe 87 PID 2024 wrote to memory of 1584 2024 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe 87 PID 2024 wrote to memory of 1584 2024 7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe"C:\Users\Admin\AppData\Local\Temp\7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.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:2024 -
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:1584
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
73KB
MD560274a2b4552ad586ec1ff23f0991094
SHA1449ed8b18170e017459ecb19cfd4ba1b00206861
SHA256671c8a283e9916094cbeb04ddd4a5dfba32b206acc18e244b38e6c3c2438b8c0
SHA512a3d07bb796e96c6c136d16436eeaab8590daf6b4f1cdad399b0bf80fb53599714cdfa7addba74e0c7530a2d174eb643125ec45a4ca40412f24f5fd182d806246
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Filesize
84KB
MD59513aedb9b6b8e85965b74c2bff9cdec
SHA1614da1ad9c836e52d9ba54b01734da9de21e5e7d
SHA2566d392b1de38040f5f76655fba74ee3fa10beccc702b5bd067daeba39c8c82d69
SHA512ceceaf69548321be741120e66cb1c711144ada8bdc5e0c9108fd04ad2d4e872755ca5775f2a4f2f708224aa0ba9949fe2e5e5a44e2e3e11aeb3a768a122aded4