Analysis
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max time kernel
165s -
max time network
163s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
19-09-2022 10:44
Static task
static1
Behavioral task
behavioral1
Sample
a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe
Resource
win7-20220901-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
12 signatures
150 seconds
General
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Target
a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe
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Size
1.0MB
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MD5
79e37b464938e19ec450f2408bf5dd07
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SHA1
11caa525e5a5061a4e6b5b86006601c784b6a95f
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SHA256
a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e
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SHA512
fc00ca78ee6d6aeb7f259f0a854008057d50c1682adddb624ef56a6a770fc5657576b6d801260db7a3e4fc2247de64202baea4ab9a8c509bc696c32f55c55a30
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SSDEEP
24576:wT+XEHz48vLwhrAdKu0Gr1yDJXvKoxuecF3C58ospiEwV5wXC:wTn8kdK7amZKwuPF3wFHwy
Score
10/10
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\sdra64.exe," a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0" a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0" a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\sdra64.exe a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe File opened for modification C:\Windows\SysWOW64\sdra64.exe a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3836 set thread context of 1792 3836 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 79 -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeBackupPrivilege 3836 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe Token: SeDebugPrivilege 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3836 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3836 wrote to memory of 1792 3836 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 79 PID 3836 wrote to memory of 1792 3836 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 79 PID 3836 wrote to memory of 1792 3836 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 79 PID 3836 wrote to memory of 1792 3836 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 79 PID 3836 wrote to memory of 1792 3836 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 79 PID 3836 wrote to memory of 1792 3836 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 79 PID 3836 wrote to memory of 1792 3836 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 79 PID 3836 wrote to memory of 1792 3836 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 79 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 PID 1792 wrote to memory of 600 1792 a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe 6 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:600
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C:\Users\Admin\AppData\Local\Temp\a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe"C:\Users\Admin\AppData\Local\Temp\a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe"1⤵
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3836 -
C:\Users\Admin\AppData\Local\Temp\a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exeC:\Users\Admin\AppData\Local\Temp\a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e.exe2⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1792
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