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Analysis
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max time kernel
149s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
15/05/2024, 10:20
Static task
static1
Behavioral task
behavioral1
Sample
8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
Resource
win10v2004-20240508-en
General
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Target
8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
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Size
77KB
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MD5
ed98dd1f62219b4e1468f27bd40381e2
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SHA1
374deb56d6702107eaa49191c3edd4f24674ea2d
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SHA256
8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4
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SHA512
54b2841cb361f9b5b3d4bd3cb6cee859679b584e8204b34b994de8baf705d9e0b7b601c6a5f29e5c1c30920b71bfd8d767769a2d3e14f61c82dd837dd61b390e
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SSDEEP
768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWO2t:RshfSWHHNvoLqNwDDGw02eQmh0HjWOOR
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2996 rundll32.exe -
Loads dropped DLL 2 IoCs
pid Process 2420 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe 2420 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.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 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\SysWOW64\notepad¢¬.exe 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe File opened for modification C:\Windows\SysWOW64\¢«.exe 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe File created C:\Windows\SysWOW64\¢«.exe 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe File created C:\Windows\system\rundll32.exe 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe -
Modifies registry class 15 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\MSipv 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1715768461" 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 rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1715768461" 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 -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2420 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe 2420 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe 2420 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe 2420 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe 2420 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe 2420 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe 2420 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe 2420 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe 2420 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe 2420 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe 2420 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe 2420 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe 2420 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe 2420 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2996 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2420 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe 2996 rundll32.exe 2996 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2420 wrote to memory of 2996 2420 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe 28 PID 2420 wrote to memory of 2996 2420 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe 28 PID 2420 wrote to memory of 2996 2420 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe 28 PID 2420 wrote to memory of 2996 2420 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe 28 PID 2420 wrote to memory of 2996 2420 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe 28 PID 2420 wrote to memory of 2996 2420 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe 28 PID 2420 wrote to memory of 2996 2420 8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe"C:\Users\Admin\AppData\Local\Temp\8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.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:2420 -
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:2996
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
81KB
MD587d013269afb870a3bbd928d0b99e00d
SHA1109f6593b67f576bc2ccf798fde2de758e4603f3
SHA25698165fdb191183327f22a1c84bc0d12f34b9ae0278a992a1fc3742bcfeeb75f6
SHA5122941b3b7a24e95a85f4e3aea0c317c239bc4dc80bf88513c18c4da5af9bb00fb9efe8477a080bb1324a0b2afdaecce296fe4dacb0b6776bc339fd9b0fbcfc530
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Filesize
80KB
MD59415c5178d30401a48a264366210390c
SHA149e2a6d409332208fad13b6b046839065b957c85
SHA2561219fce395421a512109e6f169ae02ee4f7353c5050c701570cdf89704f0f82c
SHA5126bfea86501faeebbf93fab91f91773073e2d36e79f4115ed57d39c682ee9838e47adf17a077a9595466299efb97de78562910fede47cbd87a146390321f3cc58