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Analysis
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max time kernel
153s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
23/09/2023, 22:02
Static task
static1
Behavioral task
behavioral1
Sample
3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe
Resource
win10v2004-20230915-en
General
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Target
3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe
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Size
74KB
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MD5
e12f7aad79d31f4fca0bee7534836b99
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SHA1
b7e74c62279c2149ffe93e0836dae840c3563d29
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SHA256
3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22
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SHA512
2f60bea0b687d209283c71a301c29a8881dd1b2bac5b23b32348a1015c3605a863e8009253b98c19dd09d6d240c113a246af82135f2c4293cc7f4db59ce15385
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SSDEEP
768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWO7l:RshfSWHHNvoLqNwDDGw02eQmh0HjWO7l
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1988 rundll32.exe -
Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.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 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe File opened for modification C:\Windows\SysWOW64\¢«.exe 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe File created C:\Windows\system\rundll32.exe 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe -
Modifies registry class 15 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1695506563" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1695506563" rundll32.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\txtfile\shell\open\command 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.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" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 3064 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe 3064 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe 3064 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe 3064 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe 3064 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe 3064 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe 3064 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe 3064 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe 3064 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe 3064 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe 3064 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe 3064 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe 3064 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe 3064 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe 3064 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe 3064 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe 3064 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe 3064 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe 3064 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe 3064 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe 3064 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe 3064 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe 3064 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe 3064 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe 3064 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe 3064 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe 3064 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe 3064 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1988 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 3064 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe 1988 rundll32.exe 1988 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3064 wrote to memory of 1988 3064 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe 90 PID 3064 wrote to memory of 1988 3064 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe 90 PID 3064 wrote to memory of 1988 3064 3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.exe"C:\Users\Admin\AppData\Local\Temp\3aeb37918455a49547f3dd15a6844fa3f5e07d3802dd89cb69cc6588c3679b22.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:3064 -
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:1988
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
77KB
MD5d93237f514abb8c486cec50bbe87748e
SHA14b855724adfb34b8fb5d12364d22484f951df208
SHA2562d780e15b42f3c0a818ebc7c31c8d530d654d1e261c49a4baed568057e102bb8
SHA51250593917c4eac081725aa6a40d54e76836582a6e46b11b39c8f6590d30c29b803d37fef4c999652584dcd68c05e7a72417e0866b602cbfc4adab4e1bd199bab3
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Filesize
80KB
MD5f356ebd54b77f47af8631076f2bcbbab
SHA1a1d0f053fc6127abb50cf83d812f1837e0e30a9c
SHA256a21ae319d2393ebae38fd9eea5c7ac76ce9e441ed26cc14be83981976359554e
SHA51237da32f3c6f0ee8047179760d42e3b69aa41b082738a3c28bfc9c0ec28bb006dd11cc699a38fd5ef83992688badc511eedae3e96c1f5f7c4801600bd9c98ea0e
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Filesize
80KB
MD5f356ebd54b77f47af8631076f2bcbbab
SHA1a1d0f053fc6127abb50cf83d812f1837e0e30a9c
SHA256a21ae319d2393ebae38fd9eea5c7ac76ce9e441ed26cc14be83981976359554e
SHA51237da32f3c6f0ee8047179760d42e3b69aa41b082738a3c28bfc9c0ec28bb006dd11cc699a38fd5ef83992688badc511eedae3e96c1f5f7c4801600bd9c98ea0e