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Analysis
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max time kernel
148s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
01/12/2022, 00:11
Static task
static1
Behavioral task
behavioral1
Sample
a1f91a2a440c70f319930d870e1ff2a469df9b86753b1666e9a08695cec0b648.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
a1f91a2a440c70f319930d870e1ff2a469df9b86753b1666e9a08695cec0b648.exe
Resource
win10v2004-20220812-en
General
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Target
a1f91a2a440c70f319930d870e1ff2a469df9b86753b1666e9a08695cec0b648.exe
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Size
327KB
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MD5
947e41ee529a41dae4a13dbe0b14c75f
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SHA1
e26bdebaff268424f7ab64df4dd608de385c410c
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SHA256
a1f91a2a440c70f319930d870e1ff2a469df9b86753b1666e9a08695cec0b648
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SHA512
5c5007aa489fc22f21d18385742e8ddfc7dc46670647a779044b93d6aa257b2bee6e9357327c7397e088460d76cb02674d53f422b5aea3bbdc444fc72ca1badf
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SSDEEP
6144:83MVk9U3mgJukP+2Ucpn5qAKP1UkrMhcOIk8kRL5YejF:hCU0aZLLqEkrMhct8OUF
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\A1F91A~1.EXE," a1f91a2a440c70f319930d870e1ff2a469df9b86753b1666e9a08695cec0b648.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\userinit = "C:\\Users\\Admin\\AppData\\Local\\Temp\\A1F91A~1.EXE" a1f91a2a440c70f319930d870e1ff2a469df9b86753b1666e9a08695cec0b648.exe -
Modifies WinLogon 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\fe78d0d3 = "'n\u008fƒW" a1f91a2a440c70f319930d870e1ff2a469df9b86753b1666e9a08695cec0b648.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\System = "C:\\Users\\Admin\\AppData\\Local\\Temp\\A1F91A~1.EXE" a1f91a2a440c70f319930d870e1ff2a469df9b86753b1666e9a08695cec0b648.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 1100 a1f91a2a440c70f319930d870e1ff2a469df9b86753b1666e9a08695cec0b648.exe 1100 a1f91a2a440c70f319930d870e1ff2a469df9b86753b1666e9a08695cec0b648.exe 1100 a1f91a2a440c70f319930d870e1ff2a469df9b86753b1666e9a08695cec0b648.exe 1100 a1f91a2a440c70f319930d870e1ff2a469df9b86753b1666e9a08695cec0b648.exe 1100 a1f91a2a440c70f319930d870e1ff2a469df9b86753b1666e9a08695cec0b648.exe 1100 a1f91a2a440c70f319930d870e1ff2a469df9b86753b1666e9a08695cec0b648.exe 1100 a1f91a2a440c70f319930d870e1ff2a469df9b86753b1666e9a08695cec0b648.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeSecurityPrivilege 1100 a1f91a2a440c70f319930d870e1ff2a469df9b86753b1666e9a08695cec0b648.exe Token: SeSecurityPrivilege 1100 a1f91a2a440c70f319930d870e1ff2a469df9b86753b1666e9a08695cec0b648.exe Token: SeSecurityPrivilege 1100 a1f91a2a440c70f319930d870e1ff2a469df9b86753b1666e9a08695cec0b648.exe Token: SeSecurityPrivilege 1100 a1f91a2a440c70f319930d870e1ff2a469df9b86753b1666e9a08695cec0b648.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a1f91a2a440c70f319930d870e1ff2a469df9b86753b1666e9a08695cec0b648.exe"C:\Users\Admin\AppData\Local\Temp\a1f91a2a440c70f319930d870e1ff2a469df9b86753b1666e9a08695cec0b648.exe"1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1100