Analysis
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max time kernel
149s -
max time network
51s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
11/06/2024, 11:29
Static task
static1
Behavioral task
behavioral1
Sample
9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe
Resource
win10v2004-20240508-en
General
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Target
9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe
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Size
73KB
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MD5
54258a85610470b44ab823b2220cd043
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SHA1
544f41ddb96b285bfce70f9b6784b8780055cc35
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SHA256
9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d
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SHA512
25c5d008567d99585ebdbd79aba3ff20324934316ceee7149f3b74dbbf2884361b7c93172bf1bfeee772484bd5cecbc7b653c25303fadc5c1097d0bb90c01881
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SSDEEP
768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOa:RshfSWHHNvoLqNwDDGw02eQmh0HjWOa
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 676 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\" %*" 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.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 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\¢«.exe 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe File created C:\Windows\SysWOW64\¢«.exe 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe File created C:\Windows\system\rundll32.exe 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe -
Modifies registry class 15 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1718105378" rundll32.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\" %*" 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1718105378" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 3148 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 3148 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 3148 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 3148 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 3148 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 3148 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 3148 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 3148 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 3148 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 3148 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 3148 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 3148 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 3148 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 3148 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 3148 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 3148 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 3148 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 3148 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 3148 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 3148 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 3148 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 3148 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 3148 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 3148 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 3148 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 3148 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 3148 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 3148 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 676 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 3148 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 676 rundll32.exe 676 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3148 wrote to memory of 676 3148 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 85 PID 3148 wrote to memory of 676 3148 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 85 PID 3148 wrote to memory of 676 3148 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe"C:\Users\Admin\AppData\Local\Temp\9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.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:3148 -
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:676
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
80KB
MD50d63035d1b9bfecb5a5f1e5d04866899
SHA1a8df07fcb5d7ed1c7b5f5db51ab29dd8f74e2791
SHA256cfa436a6dd4d2db5920eb8f876a5bb7fae153f35d6675d3b694a7dec59c82e29
SHA5123d576fdb6582e7a79e11d6f90807dbc122d9c09855c1ef56b18562121cc2fe175f8cda7775d097cf904ca56a10409ed702c42c188bd73896e51af129553f2c3b
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Filesize
76KB
MD5836c2b0bdb83e487e9ccdb072249d63f
SHA18a7cf1159cdfd0652933a302ae0912191773e72f
SHA2567ddafc22d0be0bfcbc4c4c262df630117ced1c519eed1401b97a12faecc6610e
SHA5126e1b4446f67626afa4d110abaee686dc4dcd4ebf42d9bacc9c6c3f8e8dfa49dab66be84a97d8c837e76b123570829a0a078bbf6e8531684650d91a00fad9fc72