Analysis
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max time kernel
149s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
21/05/2024, 05:17
Static task
static1
Behavioral task
behavioral1
Sample
5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe
Resource
win10v2004-20240508-en
General
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Target
5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe
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Size
84KB
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MD5
7ee390f5e7b0cfb7c8c642f66c91a7c0
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SHA1
4b3536ff664593ab504f9827dac835dc78b57784
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SHA256
5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742
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SHA512
de70aa0f143446219a3c96e73f294b0e88751f6201111191a52ef4f931771ff63aec6f9253e286af40ae9a787d71f7d59d60157a2c4b2f23c914e385dc6dc4ee
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SSDEEP
1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWONOfNpKx4:GhfxHNIreQm+HiwOfNpKx4
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1852 rundll32.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 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\¢«.exe 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe File created C:\Windows\SysWOW64\¢«.exe 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe File created C:\Windows\system\rundll32.exe 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe -
Modifies registry class 15 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1716268678" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" 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¢¬ %1" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1716268678" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 464 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe 464 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe 464 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe 464 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe 464 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe 464 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe 464 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe 464 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe 464 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe 464 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe 464 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe 464 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe 464 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe 464 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe 464 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe 464 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe 464 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe 464 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe 464 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe 464 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe 464 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe 464 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe 464 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe 464 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe 464 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe 464 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe 464 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe 464 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1852 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 464 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe 1852 rundll32.exe 1852 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 464 wrote to memory of 1852 464 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe 86 PID 464 wrote to memory of 1852 464 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe 86 PID 464 wrote to memory of 1852 464 5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe"C:\Users\Admin\AppData\Local\Temp\5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.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:464 -
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:1852
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
75KB
MD579b4cf6b52573b2c31d331f9e17c7b42
SHA103cee5200d05345af54a34a14543c248548f360c
SHA2566ea740ef9d10e7a139982dbcddb7e7336d42794800003269aadc517f7285c63f
SHA512bf228009cfdb15660aea0ef0368e838ece6642490e30513ecd664a1e53c41bcd206b555f91c70b0d6f78b5ce98a46a867b9c737feb649ee2f26372978c5106e5
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Filesize
76KB
MD552b65a450fc5fdd324c30d035656e3f4
SHA12004626aab1c0335370f62b4ecc8cec1b0078bfc
SHA256cffa3924e95d8b0bb20e63ed26f672481354ad69c16915828258cde644d38b7a
SHA512a9c284486438ebe1ec7a355aadc1d9b0388e2cbd11cdaaf1aa9ff306a4b832b471e0c11549a021e8802c346d42a01a4e922a2c3b3aa5e7b48ac8e4db462f5709