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Analysis
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max time kernel
149s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
04/02/2024, 09:13
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
8ec516a93dfa9b2e8316f3d16dec1532.exe
Resource
win7-20231215-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
8ec516a93dfa9b2e8316f3d16dec1532.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
8ec516a93dfa9b2e8316f3d16dec1532.exe
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Size
132KB
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MD5
8ec516a93dfa9b2e8316f3d16dec1532
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SHA1
4b816450cdedffc9653ce5a04a3fe137b2973bfc
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SHA256
4f3732f9a6157787e705eb3736a3d00da92a4a4ac27e89322f88fdab22ac6223
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SHA512
dd583026f852c5a5593c1f982bbcd2da1beeb3a2a5ce11cc130f59eed1b62093ac0422fbb5806cbc6b9f67e7d9f779509da1f0dad75a29ad890e4f37c6811bcf
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SSDEEP
1536:3/oa6eTlUX9ixXVG4E2JUXJ3Ue05zn/bzPe9XUwo7JaS1:Z6eTlg9ixFG4EU/bGEwQL
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" 8ec516a93dfa9b2e8316f3d16dec1532.exe Set value (int) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yuayih.exe -
Executes dropped EXE 1 IoCs
pid Process 2848 yuayih.exe -
Loads dropped DLL 2 IoCs
pid Process 2232 8ec516a93dfa9b2e8316f3d16dec1532.exe 2232 8ec516a93dfa9b2e8316f3d16dec1532.exe -
Adds Run key to start application 2 TTPs 51 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /p" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /b" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /N" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /j" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /l" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /e" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /n" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /r" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /g" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /k" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /h" 8ec516a93dfa9b2e8316f3d16dec1532.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /D" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /d" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /v" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /q" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /U" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /F" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /u" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /y" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /E" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /H" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /x" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /Z" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /I" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /G" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /c" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /W" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /f" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /A" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /V" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /X" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /T" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /L" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /K" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /C" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /Y" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /m" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /t" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /s" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /z" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /S" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /a" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /B" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /Q" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /o" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /i" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /O" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /J" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /M" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /R" yuayih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuayih = "C:\\Users\\Admin\\yuayih.exe /w" yuayih.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 2232 8ec516a93dfa9b2e8316f3d16dec1532.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe 2848 yuayih.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2232 8ec516a93dfa9b2e8316f3d16dec1532.exe 2848 yuayih.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2232 wrote to memory of 2848 2232 8ec516a93dfa9b2e8316f3d16dec1532.exe 28 PID 2232 wrote to memory of 2848 2232 8ec516a93dfa9b2e8316f3d16dec1532.exe 28 PID 2232 wrote to memory of 2848 2232 8ec516a93dfa9b2e8316f3d16dec1532.exe 28 PID 2232 wrote to memory of 2848 2232 8ec516a93dfa9b2e8316f3d16dec1532.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\8ec516a93dfa9b2e8316f3d16dec1532.exe"C:\Users\Admin\AppData\Local\Temp\8ec516a93dfa9b2e8316f3d16dec1532.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:2232 -
C:\Users\Admin\yuayih.exe"C:\Users\Admin\yuayih.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:2848
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
132KB
MD56550d9addfcc00dfe91431569b838f55
SHA13566cf747a4fbb7428102e17521e4b17ab1b2148
SHA256c994cdebc5108eba6eba67f441d29f41ea7c41ae350e42d4a44694438b852cd7
SHA5125c1e73cabfaee283e95cd85e76c2bb769b9c7846c473afdd2ead70d0897919792f2de87abc78359b814476c031c909d7feea599397d92376030265f9398519ef