Analysis
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max time kernel
155s -
max time network
166s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
28-10-2023 18:03
Behavioral task
behavioral1
Sample
NEAS.137349b73d4d5b155a85728010b510c0.exe
Resource
win7-20231025-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
NEAS.137349b73d4d5b155a85728010b510c0.exe
Resource
win10v2004-20231023-en
11 signatures
150 seconds
General
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Target
NEAS.137349b73d4d5b155a85728010b510c0.exe
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Size
45KB
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MD5
137349b73d4d5b155a85728010b510c0
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SHA1
6963435994909514bcc5034f026abc56dc604302
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SHA256
48dea29a44cc75beb8dc69b407f2d83aeaad480d5cba68eaa1f77ad2f3a3ac0e
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SHA512
481ae295075e1cae07ef4ad5479285b3bdf200fdcb6e1330b0c7c26d9bd2f91750a12accbb297c7c1e5a143f92db6f0b5ff063343e67790f4439a8e257eabf24
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SSDEEP
768:BhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:7sWE9N5dFu53dsniQaB/xZ14n7zIF+qr
Score
10/10
Malware Config
Signatures
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resource yara_rule behavioral2/memory/3688-0-0x0000000000400000-0x000000000041D000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2B140E07 = "C:\\Users\\Admin\\AppData\\Roaming\\2B140E07\\bin.exe" winver.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 opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WerFault.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WerFault.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WerFault.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WerFault.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WerFault.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe 2856 winver.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3132 Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 3132 Explorer.EXE Token: SeCreatePagefilePrivilege 3132 Explorer.EXE Token: SeShutdownPrivilege 3132 Explorer.EXE Token: SeCreatePagefilePrivilege 3132 Explorer.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2856 winver.exe -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 4864 RuntimeBroker.exe 3132 Explorer.EXE -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 3688 wrote to memory of 2856 3688 NEAS.137349b73d4d5b155a85728010b510c0.exe 91 PID 3688 wrote to memory of 2856 3688 NEAS.137349b73d4d5b155a85728010b510c0.exe 91 PID 3688 wrote to memory of 2856 3688 NEAS.137349b73d4d5b155a85728010b510c0.exe 91 PID 3688 wrote to memory of 2856 3688 NEAS.137349b73d4d5b155a85728010b510c0.exe 91 PID 2856 wrote to memory of 3132 2856 winver.exe 41 PID 2856 wrote to memory of 2320 2856 winver.exe 50 PID 2856 wrote to memory of 2332 2856 winver.exe 49 PID 2856 wrote to memory of 2456 2856 winver.exe 47 PID 2856 wrote to memory of 3132 2856 winver.exe 41 PID 2856 wrote to memory of 3428 2856 winver.exe 40 PID 2856 wrote to memory of 3664 2856 winver.exe 39 PID 2856 wrote to memory of 3756 2856 winver.exe 11 PID 2856 wrote to memory of 3868 2856 winver.exe 12 PID 2856 wrote to memory of 4044 2856 winver.exe 38 PID 2856 wrote to memory of 3908 2856 winver.exe 37 PID 2856 wrote to memory of 448 2856 winver.exe 35 PID 2856 wrote to memory of 4796 2856 winver.exe 26 PID 2856 wrote to memory of 5072 2856 winver.exe 23 PID 2856 wrote to memory of 4864 2856 winver.exe 22 PID 2856 wrote to memory of 3088 2856 winver.exe 15 PID 2856 wrote to memory of 3672 2856 winver.exe 19 PID 2856 wrote to memory of 3948 2856 winver.exe 93 PID 2856 wrote to memory of 740 2856 winver.exe 96
Processes
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵PID:3756
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:3868
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca1⤵PID:3088
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca1⤵PID:3672
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
- Suspicious use of UnmapMainImage
PID:4864
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:5072
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C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca1⤵PID:4796
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C:\Users\Admin\AppData\Local\Temp\NEAS.137349b73d4d5b155a85728010b510c0.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.137349b73d4d5b155a85728010b510c0.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3688 -
C:\Windows\SysWOW64\winver.exewinver2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2856
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:448
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:3908
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C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca1⤵PID:4044
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:3664
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 3664 -s 9962⤵
- Checks processor information in registry
- Enumerates system info in registry
PID:3948
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵PID:3428
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3132
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C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}1⤵PID:2456
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵PID:2332
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2320
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca1⤵PID:740