Analysis
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max time kernel
151s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
04/07/2023, 20:20
Behavioral task
behavioral1
Sample
challange_Benign_5701f08900ee76dd323abab5e3dfd40d88729a3d246c9f40fbfdc4179e4f0c0a.exe
Resource
win7-20230703-en
Behavioral task
behavioral2
Sample
challange_Benign_5701f08900ee76dd323abab5e3dfd40d88729a3d246c9f40fbfdc4179e4f0c0a.exe
Resource
win10v2004-20230703-en
General
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Target
challange_Benign_5701f08900ee76dd323abab5e3dfd40d88729a3d246c9f40fbfdc4179e4f0c0a.exe
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Size
51KB
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MD5
fd400544ac5a87e781f7f7e52bf88ed7
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SHA1
ebb502e02424a46af34092add630f95d99c68ac9
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SHA256
5701f08900ee76dd323abab5e3dfd40d88729a3d246c9f40fbfdc4179e4f0c0a
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SHA512
86af265c9dfd8124718bcc5695802891ae3721f55bb821b2d6bfbf213b8430884e4b8d290fc96ac8505d08d8c3fbd9de0e2186fe351f959a9bc733612da336ff
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SSDEEP
1536:iGEjCJpb0MZf+DpX5ZpJF+8qyFPDAh2r:wmHb02KZj+yuh2r
Malware Config
Signatures
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resource yara_rule behavioral2/memory/3868-133-0x0000000000400000-0x0000000000442000-memory.dmp upx behavioral2/memory/3868-134-0x0000000000400000-0x0000000000442000-memory.dmp upx behavioral2/memory/3868-139-0x0000000000400000-0x0000000000442000-memory.dmp upx behavioral2/memory/3868-140-0x0000000000400000-0x0000000000442000-memory.dmp upx behavioral2/memory/3868-145-0x0000000000400000-0x0000000000442000-memory.dmp upx behavioral2/memory/3868-146-0x0000000000400000-0x0000000000442000-memory.dmp upx -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{12A60E72-2397-4D11-97B2-9423404C32B0}.catalogItem svchost.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString svchost.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz svchost.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU svchost.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3868 challange_Benign_5701f08900ee76dd323abab5e3dfd40d88729a3d246c9f40fbfdc4179e4f0c0a.exe 3868 challange_Benign_5701f08900ee76dd323abab5e3dfd40d88729a3d246c9f40fbfdc4179e4f0c0a.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 3868 challange_Benign_5701f08900ee76dd323abab5e3dfd40d88729a3d246c9f40fbfdc4179e4f0c0a.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\challange_Benign_5701f08900ee76dd323abab5e3dfd40d88729a3d246c9f40fbfdc4179e4f0c0a.exe"C:\Users\Admin\AppData\Local\Temp\challange_Benign_5701f08900ee76dd323abab5e3dfd40d88729a3d246c9f40fbfdc4179e4f0c0a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3868
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:1300