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Analysis
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max time kernel
122s -
max time network
176s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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-1-5-21-3063565911-2056067323-3330884624-1000\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 2128 set thread context of 2876 2128 976833d491de30583479494fb8946ea7.exe 30 -
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 csc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 976833d491de30583479494fb8946ea7.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2876 csc.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2128 wrote to memory of 2876 2128 976833d491de30583479494fb8946ea7.exe 30 PID 2128 wrote to memory of 2876 2128 976833d491de30583479494fb8946ea7.exe 30 PID 2128 wrote to memory of 2876 2128 976833d491de30583479494fb8946ea7.exe 30 PID 2128 wrote to memory of 2876 2128 976833d491de30583479494fb8946ea7.exe 30 PID 2128 wrote to memory of 2876 2128 976833d491de30583479494fb8946ea7.exe 30 PID 2128 wrote to memory of 2876 2128 976833d491de30583479494fb8946ea7.exe 30
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:2128 -
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:2876
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b