Analysis
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max time kernel
3s -
max time network
41s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
24-07-2021 07:04
Static task
static1
Behavioral task
behavioral1
Sample
b277141c357912e3cf76cf2eff36d2d9.exe
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
General
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Target
b277141c357912e3cf76cf2eff36d2d9.exe
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Size
2.9MB
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MD5
b277141c357912e3cf76cf2eff36d2d9
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SHA1
dfee214eec9da65da55ce47f44ccb0ae4751195e
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SHA256
f3dda8f48606c448d22a7b407f61757605acc028d3deddd0ad8c1e2742efcf86
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SHA512
11aad22541baeeb19f54b306b3719da789287ce5ad2aec9218c2b305b69d4bd8fe794063fab761ce5f90a02ffb506ed9b2431966a2e9aa605647508f5326159b
Malware Config
Signatures
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Modifies firewall policy service 2 TTPs 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" b277141c357912e3cf76cf2eff36d2d9.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" b277141c357912e3cf76cf2eff36d2d9.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" b277141c357912e3cf76cf2eff36d2d9.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc b277141c357912e3cf76cf2eff36d2d9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" b277141c357912e3cf76cf2eff36d2d9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" b277141c357912e3cf76cf2eff36d2d9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" b277141c357912e3cf76cf2eff36d2d9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" b277141c357912e3cf76cf2eff36d2d9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" b277141c357912e3cf76cf2eff36d2d9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" b277141c357912e3cf76cf2eff36d2d9.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" b277141c357912e3cf76cf2eff36d2d9.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SYSTEM.INI b277141c357912e3cf76cf2eff36d2d9.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 736 b277141c357912e3cf76cf2eff36d2d9.exe -
Suspicious use of AdjustPrivilegeToken 16 IoCs
description pid Process Token: SeDebugPrivilege 736 b277141c357912e3cf76cf2eff36d2d9.exe Token: SeDebugPrivilege 736 b277141c357912e3cf76cf2eff36d2d9.exe Token: SeDebugPrivilege 736 b277141c357912e3cf76cf2eff36d2d9.exe Token: SeDebugPrivilege 736 b277141c357912e3cf76cf2eff36d2d9.exe Token: SeDebugPrivilege 736 b277141c357912e3cf76cf2eff36d2d9.exe Token: SeDebugPrivilege 736 b277141c357912e3cf76cf2eff36d2d9.exe Token: SeDebugPrivilege 736 b277141c357912e3cf76cf2eff36d2d9.exe Token: SeDebugPrivilege 736 b277141c357912e3cf76cf2eff36d2d9.exe Token: SeDebugPrivilege 736 b277141c357912e3cf76cf2eff36d2d9.exe Token: SeDebugPrivilege 736 b277141c357912e3cf76cf2eff36d2d9.exe Token: SeDebugPrivilege 736 b277141c357912e3cf76cf2eff36d2d9.exe Token: SeDebugPrivilege 736 b277141c357912e3cf76cf2eff36d2d9.exe Token: SeDebugPrivilege 736 b277141c357912e3cf76cf2eff36d2d9.exe Token: SeDebugPrivilege 736 b277141c357912e3cf76cf2eff36d2d9.exe Token: SeDebugPrivilege 736 b277141c357912e3cf76cf2eff36d2d9.exe Token: SeDebugPrivilege 736 b277141c357912e3cf76cf2eff36d2d9.exe -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" b277141c357912e3cf76cf2eff36d2d9.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b277141c357912e3cf76cf2eff36d2d9.exe"C:\Users\Admin\AppData\Local\Temp\b277141c357912e3cf76cf2eff36d2d9.exe"1⤵
- Modifies firewall policy service
- Windows security modification
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- System policy modification
PID:736