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Analysis
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max time kernel
148s -
max time network
189s -
platform
windows10-2004_x64 -
resource
win10v2004-20240910-en -
resource tags
arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system -
submitted
02/10/2024, 14:11
Static task
static1
Behavioral task
behavioral1
Sample
976833d491de30583479494fb8946ea7.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
976833d491de30583479494fb8946ea7.exe
Resource
win10v2004-20240910-en
General
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Target
976833d491de30583479494fb8946ea7.exe
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Size
5.3MB
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MD5
976833d491de30583479494fb8946ea7
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SHA1
a8b9321a3fbe582b029c2b35f439966211cba8a4
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SHA256
d08285f3f36f0c79df6d4cb82b9b045859d25c96a223c16702b6043ea8950f6e
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SHA512
bec2e86948eef70e9b64d01867aa3b3e2d5023bf56333052878fcd61b50cd7147a8a8b463a15bf165310ef7aeca57a2d5247ffd4b047f614d8f6c812eade7385
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SSDEEP
98304:atLutWh4NYxtJpkxhG9vPLOqjajvD333yuhGRHW:vOxtJahydjaKu0W
Malware Config
Extracted
asyncrat
1.0.7
18
nuevodcsrat.duckdns.org:8081
DcRatMutex_qwqdanchun
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delay
1
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install
false
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install_folder
%AppData%
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\JudgeUpdater = "C:\\Users\\Admin\\Music\\JudgeUpdater\\EyesJudger.exe" 976833d491de30583479494fb8946ea7.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2256 set thread context of 4776 2256 976833d491de30583479494fb8946ea7.exe 94 -
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 976833d491de30583479494fb8946ea7.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4776 csc.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2256 wrote to memory of 4776 2256 976833d491de30583479494fb8946ea7.exe 94 PID 2256 wrote to memory of 4776 2256 976833d491de30583479494fb8946ea7.exe 94 PID 2256 wrote to memory of 4776 2256 976833d491de30583479494fb8946ea7.exe 94 PID 2256 wrote to memory of 4776 2256 976833d491de30583479494fb8946ea7.exe 94 PID 2256 wrote to memory of 4776 2256 976833d491de30583479494fb8946ea7.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\976833d491de30583479494fb8946ea7.exe"C:\Users\Admin\AppData\Local\Temp\976833d491de30583479494fb8946ea7.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2256 -
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
- Suspicious use of AdjustPrivilegeToken
PID:4776
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