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Analysis
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max time kernel
149s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
14/08/2024, 06:27
Static task
static1
Behavioral task
behavioral1
Sample
f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe
Resource
win10v2004-20240802-en
General
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Target
f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe
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Size
82KB
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MD5
da4501cc9a922dec1e219a8eb0557cb8
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SHA1
024c4b91c0496602db1fe199fd606e3533bd5987
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SHA256
f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d
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SHA512
6899b6e5e1cf84629c60e5bbd2c581e1f820f21e637f726e5e58c5794f991a7b88e9d42088125ab8e7cb9c81e3e82978d869c46b9c934ceaa78431d9d09c09f9
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SSDEEP
1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOCabCaEXIJHlst+V:GhfxHNIreQm+HipabCaE4z2C
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1992 rundll32.exe -
Loads dropped DLL 2 IoCs
pid Process 576 f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe 576 f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.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\" %*" f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.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 f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\SysWOW64\notepad¢¬.exe f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe File opened for modification C:\Windows\SysWOW64\¢«.exe f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe File created C:\Windows\SysWOW64\¢«.exe f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe File created C:\Windows\system\rundll32.exe f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Modifies registry class 15 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\MSipv f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.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 Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1723616871" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1723616871" rundll32.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" f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.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\" %*" f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 576 f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe 576 f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe 576 f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe 576 f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe 576 f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe 576 f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe 576 f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe 576 f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe 576 f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe 576 f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe 576 f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe 576 f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe 576 f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe 576 f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1992 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 576 f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe 1992 rundll32.exe 1992 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 576 wrote to memory of 1992 576 f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe 31 PID 576 wrote to memory of 1992 576 f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe 31 PID 576 wrote to memory of 1992 576 f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe 31 PID 576 wrote to memory of 1992 576 f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe 31 PID 576 wrote to memory of 1992 576 f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe 31 PID 576 wrote to memory of 1992 576 f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe 31 PID 576 wrote to memory of 1992 576 f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe"C:\Users\Admin\AppData\Local\Temp\f46596ff3b3e6b8a7ba02f47cfe913c855bc9c001a247aabf451e34fadfb348d.exe"1⤵
- Loads dropped DLL
- Modifies system executable filetype association
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:576 -
C:\Windows\system\rundll32.exeC:\Windows\system\rundll32.exe2⤵
- Executes dropped EXE
- Modifies system executable filetype association
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1992
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
74KB
MD50fbd24098f83a625fb1387306d2af8e4
SHA10a0abb26733f80a0a53becc8a5db56a487f5fdd2
SHA25652a64c7071d9a7a64311781273672685cae5e8e27485a89a45a031f2c6867314
SHA51236093bc022fb1398afb84474a8cd7b5129c893e1712b067d63fcbd69bddb3f28be22b00287c48e3e73e7ebe81805b85c84e8c79d2f33573c9a70192ca1ed957b
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Filesize
75KB
MD5e99c6d8e2b4fb864fb2c9100d0f878d9
SHA1640c9776f525718fa2930291d2b0cc2f61cac8c3
SHA2563c7c24c5fe07cd56dae4571dc2b92bce3193f75dfe9821b5a14e9f7f855a117b
SHA512bcef9b214af6308fe69a3e4026716591a246557ebdbdb02e1ed9253e762550c16e4aa0cb9ab6429e2bc9a7a6caa284e5937f987204b803c0e567fc2426cfd6c3