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Analysis
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max time kernel
153s -
max time network
162s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
12/10/2023, 13:11
Static task
static1
Behavioral task
behavioral1
Sample
886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
Resource
win10v2004-20230915-en
General
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Target
886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
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Size
76KB
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MD5
23e0c666dc0e0245f8154db27629c734
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SHA1
b290d6e5c311a97877052b1372039144c894c63c
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SHA256
886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514
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SHA512
90b272a353b1637d16a06a4cdf544536a4e5d098c91489ace73a9cfaa90e711e6cc3b682e9f0fd4d13ae07bd16e85e445b7ea54d4dd864c253373cc3136f8420
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SSDEEP
1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWO36h:GhfxHNIreQm+Hig6h
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 3252 rundll32.exe -
Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.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 opened for modification C:\Windows\SysWOW64\¢«.exe 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe File created C:\Windows\SysWOW64\¢«.exe 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\system\rundll32.exe 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe File opened for modification C:\Windows\system\rundll32.exe 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe -
Modifies registry class 15 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\MSipv 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.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 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.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\" %*" 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1697433403" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1697433403" 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 -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 888 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe 888 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe 888 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe 888 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe 888 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe 888 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe 888 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe 888 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe 888 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe 888 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe 888 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe 888 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe 888 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe 888 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe 888 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe 888 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe 888 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe 888 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe 888 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe 888 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe 888 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe 888 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe 888 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe 888 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe 888 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe 888 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe 888 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe 888 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3252 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 888 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe 3252 rundll32.exe 3252 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 888 wrote to memory of 3252 888 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe 83 PID 888 wrote to memory of 3252 888 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe 83 PID 888 wrote to memory of 3252 888 886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe"C:\Users\Admin\AppData\Local\Temp\886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.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:888 -
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:3252
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
75KB
MD5028875a5e14460815f883e20dfe5dc5a
SHA18cb5ddd89001c41f557c579dbdd4f5b12984a92e
SHA25649fe03c85ca65a0f17711be03640ec8596f6b1d9d2d5ec3b5e32bb20cccd0b8e
SHA5127e7b76476114e6dca81aba27d830d6359998b2eabf1025b7c1fb93fdad045232480fb9b0c50c443031236dd3490e60e1d2160bd0cb78f06c4e639ae6c97dd865
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Filesize
79KB
MD5017e358b201640e62141d529150c473c
SHA1e0e36751db9cd1535441e109b43e2871e433770b
SHA2562201151b2683de2084e3c51031b72bcd9adb7797d068babf7ec81d4d6e8162a7
SHA5126bcd819d62818def9f53c1ab77cce4e22eb7ab337c13c9380411874b13fa7645739a8fb7843ba610a412de42da296408f545a870bf69bfb831f155fae09641a6
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Filesize
79KB
MD5017e358b201640e62141d529150c473c
SHA1e0e36751db9cd1535441e109b43e2871e433770b
SHA2562201151b2683de2084e3c51031b72bcd9adb7797d068babf7ec81d4d6e8162a7
SHA5126bcd819d62818def9f53c1ab77cce4e22eb7ab337c13c9380411874b13fa7645739a8fb7843ba610a412de42da296408f545a870bf69bfb831f155fae09641a6