Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
27-10-2024 01:07
Behavioral task
behavioral1
Sample
a317bcadef76feec57223d92244a322eb4409990808a7bab96cc929fbc4a7164.exe
Resource
win7-20241023-en
General
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Target
a317bcadef76feec57223d92244a322eb4409990808a7bab96cc929fbc4a7164.exe
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Size
553KB
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MD5
3b4ee472d9c872ba1d96b7a676e809ba
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SHA1
33186a216fe8a37a993f42477b8f813a56ba5f09
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SHA256
a317bcadef76feec57223d92244a322eb4409990808a7bab96cc929fbc4a7164
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SHA512
22d93c0656d9ebb8f0e33497e2d02ecf8a9f160fff07620f0dfbd022b8449b99ae3d5dccb3d2f65f555d99415489bfcc4856eba3d87c2158c68c3922216e4985
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SSDEEP
12288:iLV6BtpmkjDwb1bL/mZyysVSX/GFFcEvz20Q3CE+A2whXXAo2RB:AApfy16yDSOzFvz20A7lXqB
Malware Config
Signatures
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Nanocore family
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Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 1.0.0.1 -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SMTP Subsystem = "C:\\Program Files (x86)\\SMTP Subsystem\\smtpss.exe" a317bcadef76feec57223d92244a322eb4409990808a7bab96cc929fbc4a7164.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA a317bcadef76feec57223d92244a322eb4409990808a7bab96cc929fbc4a7164.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\SMTP Subsystem\smtpss.exe a317bcadef76feec57223d92244a322eb4409990808a7bab96cc929fbc4a7164.exe File opened for modification C:\Program Files (x86)\SMTP Subsystem\smtpss.exe a317bcadef76feec57223d92244a322eb4409990808a7bab96cc929fbc4a7164.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a317bcadef76feec57223d92244a322eb4409990808a7bab96cc929fbc4a7164.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 3688 a317bcadef76feec57223d92244a322eb4409990808a7bab96cc929fbc4a7164.exe 3688 a317bcadef76feec57223d92244a322eb4409990808a7bab96cc929fbc4a7164.exe 3688 a317bcadef76feec57223d92244a322eb4409990808a7bab96cc929fbc4a7164.exe 3688 a317bcadef76feec57223d92244a322eb4409990808a7bab96cc929fbc4a7164.exe 3688 a317bcadef76feec57223d92244a322eb4409990808a7bab96cc929fbc4a7164.exe 3688 a317bcadef76feec57223d92244a322eb4409990808a7bab96cc929fbc4a7164.exe 3688 a317bcadef76feec57223d92244a322eb4409990808a7bab96cc929fbc4a7164.exe 3688 a317bcadef76feec57223d92244a322eb4409990808a7bab96cc929fbc4a7164.exe 3688 a317bcadef76feec57223d92244a322eb4409990808a7bab96cc929fbc4a7164.exe 3688 a317bcadef76feec57223d92244a322eb4409990808a7bab96cc929fbc4a7164.exe 3688 a317bcadef76feec57223d92244a322eb4409990808a7bab96cc929fbc4a7164.exe 3688 a317bcadef76feec57223d92244a322eb4409990808a7bab96cc929fbc4a7164.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3688 a317bcadef76feec57223d92244a322eb4409990808a7bab96cc929fbc4a7164.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3688 a317bcadef76feec57223d92244a322eb4409990808a7bab96cc929fbc4a7164.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a317bcadef76feec57223d92244a322eb4409990808a7bab96cc929fbc4a7164.exe"C:\Users\Admin\AppData\Local\Temp\a317bcadef76feec57223d92244a322eb4409990808a7bab96cc929fbc4a7164.exe"1⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:3688