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Resubmissions
12/06/2024, 20:59
240612-zs4dhszemh 712/06/2024, 20:51
240612-znh7satdkm 712/06/2024, 20:47
240612-zkx7jatclk 7Analysis
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max time kernel
103s -
max time network
79s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
12/06/2024, 20:59
Behavioral task
behavioral1
Sample
ntmssvc.dll
Resource
win7-20240611-en
4 signatures
150 seconds
General
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Target
ntmssvc.dll
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Size
5.3MB
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MD5
6588b099f03fc61bca79b987cfbcd897
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SHA1
f3e30967ad67ef220512552dde22179c2b4af82e
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SHA256
f1c8aa3fcb7d27a2d7f5645de0713803c181408c082a67c6ac24f7c3b76d3117
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SHA512
3d842b58ea4df039e8d8311293421babe4bfb015159a7400ee8a19ee373a321d87e489c2fbd02fa8282d879d75fb8da50c9f9f912d31487706979134413545a4
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SSDEEP
98304:p/PzxVvzRLIvECcaIj3Q9QL3dGVL7xaEY8jCZeKgq841zEdlUP9gu0IVDPS6kszs:B1VVOW3QSL3dGVlCgquIP9gHamzlX0c
Score
7/10
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2212-14-0x000007FEF53C0000-0x000007FEF5C91000-memory.dmp vmprotect behavioral1/memory/2212-12-0x000007FEF53C0000-0x000007FEF5C91000-memory.dmp vmprotect behavioral1/memory/1844-16-0x000007FEF51F0000-0x000007FEF5AC1000-memory.dmp vmprotect behavioral1/memory/1844-31-0x000007FEF51F0000-0x000007FEF5AC1000-memory.dmp vmprotect behavioral1/memory/1844-30-0x000007FEF51F0000-0x000007FEF5AC1000-memory.dmp vmprotect -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2212 rundll32.exe 1844 rundll32.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2212 rundll32.exe 2212 rundll32.exe 1844 rundll32.exe 1844 rundll32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1740 wrote to memory of 1844 1740 cmd.exe 36 PID 1740 wrote to memory of 1844 1740 cmd.exe 36 PID 1740 wrote to memory of 1844 1740 cmd.exe 36 PID 1740 wrote to memory of 1880 1740 cmd.exe 37 PID 1740 wrote to memory of 1880 1740 cmd.exe 37 PID 1740 wrote to memory of 1880 1740 cmd.exe 37
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ntmssvc.dll,#11⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:2212
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C:\Windows\explorer.exe"C:\Windows\explorer.exe"1⤵PID:2384
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1740 -
C:\Windows\system32\rundll32.exerundll32.exe ntmssvc.dll,ServiceMain2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:1844
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C:\Windows\system32\cmd.execmd.exe2⤵PID:1880
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