Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
25-10-2024 23:14
Static task
static1
Behavioral task
behavioral1
Sample
495897a0e9d55bbd06884df8b9b7c15d9c398e825538d7a235cbfb7d75d4b99e.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
495897a0e9d55bbd06884df8b9b7c15d9c398e825538d7a235cbfb7d75d4b99e.exe
Resource
win10v2004-20241007-en
General
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Target
495897a0e9d55bbd06884df8b9b7c15d9c398e825538d7a235cbfb7d75d4b99e.exe
-
Size
3.6MB
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MD5
81225dda9225995e9c584c9984119238
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SHA1
7f468d190e9a34db1357bdbe19911c0a8d427d3c
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SHA256
495897a0e9d55bbd06884df8b9b7c15d9c398e825538d7a235cbfb7d75d4b99e
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SHA512
59aaa60ceb8ec54c94d1affbe39a307713c3959601ec2d53884424308d553b296b4ae093b9c7222c38e5e006d1acac15a3e1b2239d7e42f09a7bca0d3909f304
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SSDEEP
49152:QWGtLBcXqxKT/msWkU0lcaX4YGamMZVE1s1bA4gK2nCR6SVb8kq4pgquLMMji4NR:UtLusqgwh4NYxtJpkxhGf333iHota
Malware Config
Extracted
asyncrat
1.0.7
BLAS-25-LLEGADERA-PAINT
puerto4001.duckdns.org:4001
DcRatMutex_qwqdanchun
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delay
1
-
install
false
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install_folder
%AppData%
Signatures
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Asyncrat family
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
495897a0e9d55bbd06884df8b9b7c15d9c398e825538d7a235cbfb7d75d4b99e.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BurnDesignerEditor = "C:\\Users\\Admin\\Music\\BurnDesignerUpdater\\BurnConvertVideo.exe" 495897a0e9d55bbd06884df8b9b7c15d9c398e825538d7a235cbfb7d75d4b99e.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
495897a0e9d55bbd06884df8b9b7c15d9c398e825538d7a235cbfb7d75d4b99e.exedescription pid process target process PID 1032 set thread context of 3044 1032 495897a0e9d55bbd06884df8b9b7c15d9c398e825538d7a235cbfb7d75d4b99e.exe csc.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.
Processes:
495897a0e9d55bbd06884df8b9b7c15d9c398e825538d7a235cbfb7d75d4b99e.execsc.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 495897a0e9d55bbd06884df8b9b7c15d9c398e825538d7a235cbfb7d75d4b99e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csc.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
495897a0e9d55bbd06884df8b9b7c15d9c398e825538d7a235cbfb7d75d4b99e.exedescription pid process target process PID 1032 wrote to memory of 3044 1032 495897a0e9d55bbd06884df8b9b7c15d9c398e825538d7a235cbfb7d75d4b99e.exe csc.exe PID 1032 wrote to memory of 3044 1032 495897a0e9d55bbd06884df8b9b7c15d9c398e825538d7a235cbfb7d75d4b99e.exe csc.exe PID 1032 wrote to memory of 3044 1032 495897a0e9d55bbd06884df8b9b7c15d9c398e825538d7a235cbfb7d75d4b99e.exe csc.exe PID 1032 wrote to memory of 3044 1032 495897a0e9d55bbd06884df8b9b7c15d9c398e825538d7a235cbfb7d75d4b99e.exe csc.exe PID 1032 wrote to memory of 3044 1032 495897a0e9d55bbd06884df8b9b7c15d9c398e825538d7a235cbfb7d75d4b99e.exe csc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\495897a0e9d55bbd06884df8b9b7c15d9c398e825538d7a235cbfb7d75d4b99e.exe"C:\Users\Admin\AppData\Local\Temp\495897a0e9d55bbd06884df8b9b7c15d9c398e825538d7a235cbfb7d75d4b99e.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1032 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"2⤵
- System Location Discovery: System Language Discovery
PID:3044