Analysis
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max time kernel
119s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
09/11/2024, 21:04
Static task
static1
Behavioral task
behavioral1
Sample
87d8fb634bfce482777dce52e5a4dab627da625bf54b09134da7e22a1ff53be3N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
87d8fb634bfce482777dce52e5a4dab627da625bf54b09134da7e22a1ff53be3N.exe
Resource
win10v2004-20241007-en
General
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Target
87d8fb634bfce482777dce52e5a4dab627da625bf54b09134da7e22a1ff53be3N.exe
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Size
44KB
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MD5
ab2ee6d344b8656d605a40dd81939580
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SHA1
b527f1782751f300aaa0be8ed725841eb5e0c749
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SHA256
87d8fb634bfce482777dce52e5a4dab627da625bf54b09134da7e22a1ff53be3
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SHA512
cbe8ef70a581e807da73137967247bb65490a1db8ca6ae535ad94b972fb103fa2845227b70b7c8f2d656aa9aa05e3117065fbc8e4d26e08181ed13a6f94827ba
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SSDEEP
768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Eh6I/:e6q10k0EFjed6rqJ+6vghzwYu7vih9GT
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 1264 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 1264 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 87d8fb634bfce482777dce52e5a4dab627da625bf54b09134da7e22a1ff53be3N.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 87d8fb634bfce482777dce52e5a4dab627da625bf54b09134da7e22a1ff53be3N.exe File created C:\Windows\HidePlugin.dll microsofthelp.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 87d8fb634bfce482777dce52e5a4dab627da625bf54b09134da7e22a1ff53be3N.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2492 wrote to memory of 1264 2492 87d8fb634bfce482777dce52e5a4dab627da625bf54b09134da7e22a1ff53be3N.exe 31 PID 2492 wrote to memory of 1264 2492 87d8fb634bfce482777dce52e5a4dab627da625bf54b09134da7e22a1ff53be3N.exe 31 PID 2492 wrote to memory of 1264 2492 87d8fb634bfce482777dce52e5a4dab627da625bf54b09134da7e22a1ff53be3N.exe 31 PID 2492 wrote to memory of 1264 2492 87d8fb634bfce482777dce52e5a4dab627da625bf54b09134da7e22a1ff53be3N.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\87d8fb634bfce482777dce52e5a4dab627da625bf54b09134da7e22a1ff53be3N.exe"C:\Users\Admin\AppData\Local\Temp\87d8fb634bfce482777dce52e5a4dab627da625bf54b09134da7e22a1ff53be3N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2492 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Windows directory
PID:1264
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
44KB
MD53e51a0d08b89ba5ee9cb9af46373e413
SHA1dc42013aaa4753ba052354710edc768b945222a5
SHA2567a32394f12855d10cf52a8ef5b2d1929ffca109e062b1fb975160f0f21e6ad8a
SHA5125febf8514016685f1e9bb83b979df727eec80b854e10789db21774acc6485233e37455b8f36e47b6de48d04dac912ee16dca6de7a443d6003b3113a6eda8d899