Analysis
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max time kernel
150s -
max time network
157s -
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, 06:08
Static task
static1
Behavioral task
behavioral1
Sample
1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe
Resource
win10v2004-20230915-en
General
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Target
1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe
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Size
75KB
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MD5
d59a3252300a3895894f75e2c64f9b41
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SHA1
1e2e7005350aecde985510403a381fcdfcbcce51
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SHA256
1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea
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SHA512
f8b482fb70212ae1990ce7450f100d0a13377acf57daeedc3f2ff418c751da755d1372e3b6e6e718504ab908845461a95354df5ea78278b731cbf4782c0850f1
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SSDEEP
1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWO5qya:GhfxHNIreQm+Hiaqya
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1060 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 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\SysWOW64\¢«.exe 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe File opened for modification C:\Windows\SysWOW64\¢«.exe 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe File created C:\Windows\system\rundll32.exe 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe -
Modifies registry class 15 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1697195673" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1697195673" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.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.exe %1" 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 1392 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe 1392 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe 1392 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe 1392 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe 1392 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe 1392 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe 1392 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe 1392 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe 1392 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe 1392 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe 1392 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe 1392 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe 1392 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe 1392 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe 1392 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe 1392 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe 1392 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe 1392 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe 1392 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe 1392 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe 1392 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe 1392 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe 1392 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe 1392 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe 1392 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe 1392 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe 1392 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe 1392 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1060 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1392 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe 1060 rundll32.exe 1060 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1392 wrote to memory of 1060 1392 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe 86 PID 1392 wrote to memory of 1060 1392 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe 86 PID 1392 wrote to memory of 1060 1392 1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe"C:\Users\Admin\AppData\Local\Temp\1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.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:1392 -
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:1060
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
74KB
MD51864170c46fbec6a0c8a6c341ad01e8c
SHA119ef911f554a6d9fe3b3817998833edbe3654b63
SHA256a04c0a0aefe5169960909786c9c3a2d4ec0bec1fc2498784dc1f6df29abef581
SHA51267a1cd4e0c2edac947968336b974ffdbf5eb8cb0b8eed9ecbbe593997ea7c7ba0ce90e693aeb267a13f8a73da3b7effccb700f0661fd1b2c757d7de0f86b3654
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Filesize
73KB
MD5d2c0dd76e05e3ed2106089468b2d65a2
SHA1642967312de7e370e19515651b6cb460bec6e87e
SHA25613cd0eb0d1b9065937173ff5e79f8b5088e0690d65e60d3782a491366697d2e3
SHA5128e9c96fe25347aa869797e0ceba8adf0d74ad34a76a24e4fb9eb23dfdfe521b130802e3b2c8ee303f365b2bce51e70ff7bd211645c0c20b79a7ceba5d0dfc69a
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Filesize
73KB
MD5d2c0dd76e05e3ed2106089468b2d65a2
SHA1642967312de7e370e19515651b6cb460bec6e87e
SHA25613cd0eb0d1b9065937173ff5e79f8b5088e0690d65e60d3782a491366697d2e3
SHA5128e9c96fe25347aa869797e0ceba8adf0d74ad34a76a24e4fb9eb23dfdfe521b130802e3b2c8ee303f365b2bce51e70ff7bd211645c0c20b79a7ceba5d0dfc69a