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Analysis
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max time kernel
153s -
max time network
96s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
19/10/2022, 12:58
Static task
static1
Behavioral task
behavioral1
Sample
388886f1c746641a59a75b397bb81fb626c65cec32e2c41ee0ca467ef1ed1de4.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
388886f1c746641a59a75b397bb81fb626c65cec32e2c41ee0ca467ef1ed1de4.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
388886f1c746641a59a75b397bb81fb626c65cec32e2c41ee0ca467ef1ed1de4.exe
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Size
124KB
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MD5
90bb1b5847e51727df34d7a18dc5e9f5
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SHA1
46c1817287f6ae4d164f9e7b4883db82e955cd20
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SHA256
388886f1c746641a59a75b397bb81fb626c65cec32e2c41ee0ca467ef1ed1de4
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SHA512
bff07b4bfe3f3a5ab2d2469acf35c2521ced9dd51d79ee3db5d82b09679aacbca1a15e790fef5751389773beaf455fff6df1d13962597ca4e9bd21c6dcf2d7b3
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SSDEEP
1536:cSbsEFz/67NxkiQixA+alh98r8Y9USv1jylgwo7JaSi:DbsEFz/67gjH8ri82gwQU
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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 388886f1c746641a59a75b397bb81fb626c65cec32e2c41ee0ca467ef1ed1de4.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" liuuf.exe -
Executes dropped EXE 1 IoCs
pid Process 1692 liuuf.exe -
Loads dropped DLL 2 IoCs
pid Process 1488 388886f1c746641a59a75b397bb81fb626c65cec32e2c41ee0ca467ef1ed1de4.exe 1488 388886f1c746641a59a75b397bb81fb626c65cec32e2c41ee0ca467ef1ed1de4.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /U" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /T" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /Y" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /o" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /C" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /v" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /a" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /X" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /P" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /s" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /m" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /E" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /K" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /e" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /g" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /Z" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /I" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /Q" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /G" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /L" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /O" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /r" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /h" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /t" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /y" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /A" liuuf.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /u" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /B" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /V" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /f" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /n" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /H" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /W" liuuf.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 388886f1c746641a59a75b397bb81fb626c65cec32e2c41ee0ca467ef1ed1de4.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /u" 388886f1c746641a59a75b397bb81fb626c65cec32e2c41ee0ca467ef1ed1de4.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /j" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /d" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /l" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /z" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /N" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /p" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /J" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /x" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /R" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /q" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /k" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /b" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /w" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /i" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /S" liuuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\liuuf = "C:\\Users\\Admin\\liuuf.exe /F" liuuf.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1488 388886f1c746641a59a75b397bb81fb626c65cec32e2c41ee0ca467ef1ed1de4.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe 1692 liuuf.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1488 388886f1c746641a59a75b397bb81fb626c65cec32e2c41ee0ca467ef1ed1de4.exe 1692 liuuf.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1488 wrote to memory of 1692 1488 388886f1c746641a59a75b397bb81fb626c65cec32e2c41ee0ca467ef1ed1de4.exe 26 PID 1488 wrote to memory of 1692 1488 388886f1c746641a59a75b397bb81fb626c65cec32e2c41ee0ca467ef1ed1de4.exe 26 PID 1488 wrote to memory of 1692 1488 388886f1c746641a59a75b397bb81fb626c65cec32e2c41ee0ca467ef1ed1de4.exe 26 PID 1488 wrote to memory of 1692 1488 388886f1c746641a59a75b397bb81fb626c65cec32e2c41ee0ca467ef1ed1de4.exe 26
Processes
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C:\Users\Admin\AppData\Local\Temp\388886f1c746641a59a75b397bb81fb626c65cec32e2c41ee0ca467ef1ed1de4.exe"C:\Users\Admin\AppData\Local\Temp\388886f1c746641a59a75b397bb81fb626c65cec32e2c41ee0ca467ef1ed1de4.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:1488 -
C:\Users\Admin\liuuf.exe"C:\Users\Admin\liuuf.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:1692
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
124KB
MD5a37d1df876defced5b7b06a3c5aad928
SHA1d0f6bd7d0e3f9314de2d2a454e068902e829b1ac
SHA256ca9ac74ffc0a4e4cf5d40f9bb88df705680a964fadfc59e1449171713b67fd8c
SHA51288bd778e0dcdac17a7e9ef0897c705c6e53c41db06746a6b027be18b6753df94bee413e06524b8cbbdfcb64803966fea34877cab3d975ded5e24879ac92f953d
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Filesize
124KB
MD5a37d1df876defced5b7b06a3c5aad928
SHA1d0f6bd7d0e3f9314de2d2a454e068902e829b1ac
SHA256ca9ac74ffc0a4e4cf5d40f9bb88df705680a964fadfc59e1449171713b67fd8c
SHA51288bd778e0dcdac17a7e9ef0897c705c6e53c41db06746a6b027be18b6753df94bee413e06524b8cbbdfcb64803966fea34877cab3d975ded5e24879ac92f953d
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Filesize
124KB
MD5a37d1df876defced5b7b06a3c5aad928
SHA1d0f6bd7d0e3f9314de2d2a454e068902e829b1ac
SHA256ca9ac74ffc0a4e4cf5d40f9bb88df705680a964fadfc59e1449171713b67fd8c
SHA51288bd778e0dcdac17a7e9ef0897c705c6e53c41db06746a6b027be18b6753df94bee413e06524b8cbbdfcb64803966fea34877cab3d975ded5e24879ac92f953d
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Filesize
124KB
MD5a37d1df876defced5b7b06a3c5aad928
SHA1d0f6bd7d0e3f9314de2d2a454e068902e829b1ac
SHA256ca9ac74ffc0a4e4cf5d40f9bb88df705680a964fadfc59e1449171713b67fd8c
SHA51288bd778e0dcdac17a7e9ef0897c705c6e53c41db06746a6b027be18b6753df94bee413e06524b8cbbdfcb64803966fea34877cab3d975ded5e24879ac92f953d