Analysis
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max time kernel
120s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
27/09/2024, 09:13
Static task
static1
Behavioral task
behavioral1
Sample
9f30a5d6c52fb30f049c22a95b862002c33968ce88236e69a61784bd959c1049N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
9f30a5d6c52fb30f049c22a95b862002c33968ce88236e69a61784bd959c1049N.exe
Resource
win10v2004-20240802-en
General
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Target
9f30a5d6c52fb30f049c22a95b862002c33968ce88236e69a61784bd959c1049N.exe
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Size
78KB
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MD5
637a0bb3cc1c1780260342763a88ae20
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SHA1
5a942df9cc5e7b11fccfd6f7a4c52f6125205f5d
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SHA256
9f30a5d6c52fb30f049c22a95b862002c33968ce88236e69a61784bd959c1049
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SHA512
4ba741b2f034202be071b2ddcfbfdddad2ce28ba36ab4868f484e20e70fa09a0ff51e0cf686616a5e0bc958238f8b665cebf8bfe0003ec10b58acb8d266fdfce
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SSDEEP
1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN/qhAvP3OChhW4dI0h4HCIzhUvTs:xAo1lOwvlNlXBvsI7hrhEh9cpDN/qhAy
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 1800 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 1800 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 9f30a5d6c52fb30f049c22a95b862002c33968ce88236e69a61784bd959c1049N.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 9f30a5d6c52fb30f049c22a95b862002c33968ce88236e69a61784bd959c1049N.exe File created C:\Windows\HidePlugin.dll microsofthelp.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 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 microsofthelp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9f30a5d6c52fb30f049c22a95b862002c33968ce88236e69a61784bd959c1049N.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1736 wrote to memory of 1800 1736 9f30a5d6c52fb30f049c22a95b862002c33968ce88236e69a61784bd959c1049N.exe 82 PID 1736 wrote to memory of 1800 1736 9f30a5d6c52fb30f049c22a95b862002c33968ce88236e69a61784bd959c1049N.exe 82 PID 1736 wrote to memory of 1800 1736 9f30a5d6c52fb30f049c22a95b862002c33968ce88236e69a61784bd959c1049N.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\9f30a5d6c52fb30f049c22a95b862002c33968ce88236e69a61784bd959c1049N.exe"C:\Users\Admin\AppData\Local\Temp\9f30a5d6c52fb30f049c22a95b862002c33968ce88236e69a61784bd959c1049N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1736 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1800
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
78KB
MD5edca0cb35fb6170a071db08c3c889694
SHA14d80ed2deb461fb2b17efc653976fd0f589e2bef
SHA2566083ff580659d76f10b8b09e577159497255244dc70de46a09b028ea12f9b035
SHA5129285fb1026745cf79b94b0a841006153335437894138918c88401fccc5ab6c63f0cf02fe33c6fc978799299fdd4bdc294cd3a7dde3ec66148b8e7ae345f94831