Analysis
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max time kernel
149s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-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 2720 rundll32.exe -
Loads dropped DLL 2 IoCs
pid Process 2180 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2180 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.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 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 -
Drops file in System32 directory 4 IoCs
description ioc Process 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 File created C:\Windows\SysWOW64\¢«.exe 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe File created C:\Windows\system\rundll32.exe 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe -
Modifies registry class 15 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\MSipv 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717367374" 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" 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717367374" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command rundll32.exe 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 Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2180 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2180 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2180 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2180 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2180 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2180 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2180 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2180 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2180 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2180 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2180 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2180 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2180 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2180 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2720 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2180 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 2720 rundll32.exe 2720 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2180 wrote to memory of 2720 2180 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 28 PID 2180 wrote to memory of 2720 2180 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 28 PID 2180 wrote to memory of 2720 2180 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 28 PID 2180 wrote to memory of 2720 2180 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 28 PID 2180 wrote to memory of 2720 2180 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 28 PID 2180 wrote to memory of 2720 2180 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 28 PID 2180 wrote to memory of 2720 2180 03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe"C:\Users\Admin\AppData\Local\Temp\03ebbf411eecf643583d4e908cc2736bdbae7300e11b4ae8807ff3482b1f6666.exe"1⤵
- Loads dropped DLL
- 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:2180 -
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:2720
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
79KB
MD50260efa4f1cc549467db0f624a03aa9c
SHA1d9fab7460b37dbff8eec6cf5e9ce908f82422410
SHA256d012bf8fa55128c5f665acb1e171545e8fbac85b8a91a2b8c630f3994eac5e76
SHA512d607b18ee291b37331e5d00a4382f46c31175a1898740d178d1758b756d8408114ca768ea7a013ec2af5eb4785bfbf2ca01f5e1155fb359131764c78288d8831
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Filesize
75KB
MD57cf67e676e377deff9cbd453497d77ff
SHA1148fb4b60d1943d842852137a7b01fb8a72eb58b
SHA2560790f50a5cc658f4a40139b20508bcc1dcbbcb9e12ed608d8603538ee9812ac3
SHA5124b2e2f505b15296c3556ea90ffa4103df250d00c112511c7c0a148d806cf803d811cce60b32dcaed7933908d9ed031bb764d3470c7db54436e2f38fccd003b5c