Analysis
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max time kernel
117s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
04/10/2024, 00:13
Static task
static1
Behavioral task
behavioral1
Sample
6a3b61b24bf164783b8dd7b7c670c9cc4f9f705de6c2e6e63f39fb908acf7846N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
6a3b61b24bf164783b8dd7b7c670c9cc4f9f705de6c2e6e63f39fb908acf7846N.exe
Resource
win10v2004-20240802-en
General
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Target
6a3b61b24bf164783b8dd7b7c670c9cc4f9f705de6c2e6e63f39fb908acf7846N.exe
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Size
4KB
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MD5
0389ad73862b2e20e2278217646f6010
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SHA1
1b8cb575c6f2b604203112eb8f06b91c1b257884
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SHA256
6a3b61b24bf164783b8dd7b7c670c9cc4f9f705de6c2e6e63f39fb908acf7846
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SHA512
373d1a0c0ba52cbe14a74e8621a421ca7ed897040465dfe358a99dc0bfd58b5c56b87af6250707026acdb861eb664ab0a93dec1ef465245a86b69b1fbc9b6020
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SSDEEP
96:PNp95E777AgY/tFc4RvVr1WCZbfltlA6c3Euv4Q5OOSTQe1v4xe1a:PNWk/tn5bfXi0uv4iOOuQe1v40a
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe C:\\Windows\\system32\\kernels32.exe" 6a3b61b24bf164783b8dd7b7c670c9cc4f9f705de6c2e6e63f39fb908acf7846N.exe -
Disables Task Manager via registry modification
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Windows\\system32\\kernels32.exe" 6a3b61b24bf164783b8dd7b7c670c9cc4f9f705de6c2e6e63f39fb908acf7846N.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\kernels32.exe 6a3b61b24bf164783b8dd7b7c670c9cc4f9f705de6c2e6e63f39fb908acf7846N.exe File opened for modification C:\Windows\SysWOW64\kernels32.exe 6a3b61b24bf164783b8dd7b7c670c9cc4f9f705de6c2e6e63f39fb908acf7846N.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 6a3b61b24bf164783b8dd7b7c670c9cc4f9f705de6c2e6e63f39fb908acf7846N.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6a3b61b24bf164783b8dd7b7c670c9cc4f9f705de6c2e6e63f39fb908acf7846N.exe"C:\Users\Admin\AppData\Local\Temp\6a3b61b24bf164783b8dd7b7c670c9cc4f9f705de6c2e6e63f39fb908acf7846N.exe"1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:2232
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\AS91FDNI\tool[1].htm
Filesize167B
MD50104c301c5e02bd6148b8703d19b3a73
SHA17436e0b4b1f8c222c38069890b75fa2baf9ca620
SHA256446a6087825fa73eadb045e5a2e9e2adf7df241b571228187728191d961dda1f
SHA51284427b656a6234a651a6d8285c103645b861a18a6c5af4abb5cb4f3beb5a4f0df4a74603a0896c7608790fbb886dc40508e92d5709f44dca05dd46c8316d15bf