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Analysis
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max time kernel
149s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
26/12/2023, 16:03
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
7b2c83e6ce54abf1ffeca39c02ef6378.exe
Resource
win7-20231215-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
7b2c83e6ce54abf1ffeca39c02ef6378.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
7b2c83e6ce54abf1ffeca39c02ef6378.exe
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Size
176KB
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MD5
7b2c83e6ce54abf1ffeca39c02ef6378
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SHA1
169bde615dd6b634a503a2ed5d9b75d656f1bda2
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SHA256
4a352be73356af419b78463a95d2ca6cf4799c89ac92f87a581ee50bb08fb69c
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SHA512
dbd4e112f1e9a99a54dd6e5ceea3a3003325f2cb0a7a1bea9c32b85e19f5bedaec584f83b151b5c14a84972bfa4cbaa7f5dc0405e3c48a47f2679704dd8f079c
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SSDEEP
3072:6RlNSIcEGROnF5grgPmCXMNKiqMdMZZZZWMkIJOh:6g5tEMNIMdHYC
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 7b2c83e6ce54abf1ffeca39c02ef6378.exe Set value (int) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" feueso.exe -
Executes dropped EXE 1 IoCs
pid Process 2136 feueso.exe -
Loads dropped DLL 2 IoCs
pid Process 1708 7b2c83e6ce54abf1ffeca39c02ef6378.exe 1708 7b2c83e6ce54abf1ffeca39c02ef6378.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\feueso = "C:\\Users\\Admin\\feueso.exe /r" feueso.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\feueso = "C:\\Users\\Admin\\feueso.exe /m" feueso.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\feueso = "C:\\Users\\Admin\\feueso.exe /j" feueso.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\feueso = "C:\\Users\\Admin\\feueso.exe /h" feueso.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\feueso = "C:\\Users\\Admin\\feueso.exe /p" feueso.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\feueso = "C:\\Users\\Admin\\feueso.exe /x" 7b2c83e6ce54abf1ffeca39c02ef6378.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\feueso = "C:\\Users\\Admin\\feueso.exe /v" feueso.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\feueso = "C:\\Users\\Admin\\feueso.exe /d" feueso.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\feueso = "C:\\Users\\Admin\\feueso.exe /c" feueso.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\feueso = "C:\\Users\\Admin\\feueso.exe /b" feueso.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\feueso = "C:\\Users\\Admin\\feueso.exe /l" feueso.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\feueso = "C:\\Users\\Admin\\feueso.exe /z" feueso.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\feueso = "C:\\Users\\Admin\\feueso.exe /i" feueso.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\feueso = "C:\\Users\\Admin\\feueso.exe /a" feueso.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\feueso = "C:\\Users\\Admin\\feueso.exe /g" feueso.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\feueso = "C:\\Users\\Admin\\feueso.exe /s" feueso.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\feueso = "C:\\Users\\Admin\\feueso.exe /f" feueso.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\feueso = "C:\\Users\\Admin\\feueso.exe /q" feueso.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\feueso = "C:\\Users\\Admin\\feueso.exe /w" feueso.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\feueso = "C:\\Users\\Admin\\feueso.exe /k" feueso.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\feueso = "C:\\Users\\Admin\\feueso.exe /o" feueso.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\feueso = "C:\\Users\\Admin\\feueso.exe /x" feueso.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\feueso = "C:\\Users\\Admin\\feueso.exe /n" feueso.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\feueso = "C:\\Users\\Admin\\feueso.exe /y" feueso.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\feueso = "C:\\Users\\Admin\\feueso.exe /u" feueso.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\feueso = "C:\\Users\\Admin\\feueso.exe /t" feueso.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\feueso = "C:\\Users\\Admin\\feueso.exe /e" feueso.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1708 7b2c83e6ce54abf1ffeca39c02ef6378.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe 2136 feueso.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1708 7b2c83e6ce54abf1ffeca39c02ef6378.exe 2136 feueso.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1708 wrote to memory of 2136 1708 7b2c83e6ce54abf1ffeca39c02ef6378.exe 28 PID 1708 wrote to memory of 2136 1708 7b2c83e6ce54abf1ffeca39c02ef6378.exe 28 PID 1708 wrote to memory of 2136 1708 7b2c83e6ce54abf1ffeca39c02ef6378.exe 28 PID 1708 wrote to memory of 2136 1708 7b2c83e6ce54abf1ffeca39c02ef6378.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\7b2c83e6ce54abf1ffeca39c02ef6378.exe"C:\Users\Admin\AppData\Local\Temp\7b2c83e6ce54abf1ffeca39c02ef6378.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1708 -
C:\Users\Admin\feueso.exe"C:\Users\Admin\feueso.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2136
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