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Analysis
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max time kernel
149s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
07/09/2024, 23:37
Static task
static1
Behavioral task
behavioral1
Sample
865badf6edf6be029fe55154d9cc5947a393792000110ced56f5d4a98f40a592.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
865badf6edf6be029fe55154d9cc5947a393792000110ced56f5d4a98f40a592.exe
Resource
win10v2004-20240802-en
General
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Target
865badf6edf6be029fe55154d9cc5947a393792000110ced56f5d4a98f40a592.exe
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Size
43KB
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MD5
a35dcbe6a31951967d66ccdc508df65f
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SHA1
60072c7364e68b720de99e384d0a9fcc1e1cc20b
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SHA256
865badf6edf6be029fe55154d9cc5947a393792000110ced56f5d4a98f40a592
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SHA512
04da8f7496fb76f0069ecfba3f6f0427e575352ffb1b6188961ea2b013291f4cb8f19a9ea357745cd10c35c1e2e2ce8e31a747ab655cd69fd5404d5c49583f84
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SSDEEP
768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhB:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYh
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 3452 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 3452 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 865badf6edf6be029fe55154d9cc5947a393792000110ced56f5d4a98f40a592.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 865badf6edf6be029fe55154d9cc5947a393792000110ced56f5d4a98f40a592.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 865badf6edf6be029fe55154d9cc5947a393792000110ced56f5d4a98f40a592.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language microsofthelp.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1516 wrote to memory of 3452 1516 865badf6edf6be029fe55154d9cc5947a393792000110ced56f5d4a98f40a592.exe 83 PID 1516 wrote to memory of 3452 1516 865badf6edf6be029fe55154d9cc5947a393792000110ced56f5d4a98f40a592.exe 83 PID 1516 wrote to memory of 3452 1516 865badf6edf6be029fe55154d9cc5947a393792000110ced56f5d4a98f40a592.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\865badf6edf6be029fe55154d9cc5947a393792000110ced56f5d4a98f40a592.exe"C:\Users\Admin\AppData\Local\Temp\865badf6edf6be029fe55154d9cc5947a393792000110ced56f5d4a98f40a592.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1516 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3452
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
44KB
MD501073b05c1757e75b4d6a2cfc393eb97
SHA1b698d514332d362e1ba8d338796a0a2fa9d44c19
SHA2565810d513f32d648f2c41301eda098658397dcbd6d8818c5b3c7ee176675836c8
SHA512b76f82b38152106cb91005c3f7427c6401cfb4b404a4c05da7618360975c39140c184836560cddb075fa9b99ac76f15d3f6487fdb1d896aac77997bd818e289d