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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
13/06/2024, 04:39
Static task
static1
Behavioral task
behavioral1
Sample
94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe
Resource
win10v2004-20240508-en
General
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Target
94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe
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Size
80KB
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MD5
5c875f61da10828796ef36e740905891
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SHA1
ebdc7934c3ad2bc3e224baa668ab1db0670119cd
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SHA256
94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8
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SHA512
54b22a833e5824a5a63cb3ae59c606a519cc7f6175e26eef205ad4ca1fa1fd27b4bfa034589946920876d4a8b7940e75676683d23dd8833a028eea5fc7c403b1
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SSDEEP
1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOgv3X:GhfxHNIreQm+HiZ
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 3076 rundll32.exe -
Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.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\notepad¢¬.exe 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe File opened for modification C:\Windows\SysWOW64\¢«.exe 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe File created C:\Windows\SysWOW64\¢«.exe 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe File created C:\Windows\system\rundll32.exe 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe -
Modifies registry class 15 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1718253593" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1718253593" 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 Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.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 rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 5016 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe 5016 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe 5016 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe 5016 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe 5016 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe 5016 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe 5016 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe 5016 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe 5016 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe 5016 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe 5016 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe 5016 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe 5016 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe 5016 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe 5016 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe 5016 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe 5016 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe 5016 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe 5016 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe 5016 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe 5016 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe 5016 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe 5016 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe 5016 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe 5016 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe 5016 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe 5016 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe 5016 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3076 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 5016 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe 3076 rundll32.exe 3076 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5016 wrote to memory of 3076 5016 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe 80 PID 5016 wrote to memory of 3076 5016 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe 80 PID 5016 wrote to memory of 3076 5016 94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.exe"C:\Users\Admin\AppData\Local\Temp\94e1cdfefd5b040c3dfce4f03d5828c9f8244dbde4582a54726471d5b8e200f8.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:5016 -
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:3076
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
75KB
MD58e9e7b6665d5a21484a2b64759b086a9
SHA12ccbe60e1c93e77aa0cdde18b7c39c63dde2f1af
SHA256ca9cd6b6f2f2850e38d4ed81a062ee98d056bc2d5e465c81f079f17b6252290a
SHA5123dc24c2e15b18e1fafca1055149a1869c14169432d5bb44d3d5b8a84afaa54223e3e51641b5eb4d8f24aec16392b8587d2f66be63f7a15ba4c4c576e2191c8bd
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Filesize
78KB
MD5d6a5d43a931d71ccf6c7583b7ca38894
SHA16b9363bab4a0d7058e25d9ccd85f51e073ad1024
SHA256c66c659018a934371d024ec5b255c42c2a7054e61af2a7dabed8d62794d016ab
SHA512202ea35681838c3a4d24fe5ab8a1529476a292cbc9c93d4a4660d57834f5894c918391a8e2e50e1d3edcd3c2656a86acf8ac4d061a4ad81bdd7163a732ba9ea9