Analysis
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max time kernel
153s -
max time network
92s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
29-11-2022 03:13
Static task
static1
Behavioral task
behavioral1
Sample
4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f.exe
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Size
180KB
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MD5
41dc10d709e9f7fbb949c3c746a79300
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SHA1
4cd53b881e5ecf65b5c0edfe7bb5d4a222236ec9
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SHA256
4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f
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SHA512
958a9cbc2089c0055d0c5f99edcd12b80049ae774b0d67d45083aa974f6e5d69c8c7f484a7b7b1a06ecc2f0483c51c4d92020c9b8b579146b884bd62d5176648
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SSDEEP
3072:qFKdBG5H1MlttMFz8o+F334VSlkfoyHYb/zCHPEhg5JN8x+eDfcAuQPUSnrulRr:qFeG5H1MltKaJkHHYb/zCHPEhg5JN8xm
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" 4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" tuuhot.exe -
Executes dropped EXE 1 IoCs
pid Process 112 tuuhot.exe -
Loads dropped DLL 2 IoCs
pid Process 1636 4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f.exe 1636 4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f.exe -
Adds Run key to start application 2 TTPs 54 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /p" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /X" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /K" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /L" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /P" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /s" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /R" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /v" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /N" tuuhot.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /f" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /A" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /j" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /U" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /z" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /a" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /O" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /G" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /C" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /E" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /F" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /W" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /b" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /k" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /P" 4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /l" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /g" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /c" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /x" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /d" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /M" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /m" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /y" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /i" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /r" tuuhot.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /S" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /I" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /q" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /B" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /J" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /Q" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /T" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /u" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /D" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /o" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /Y" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /h" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /H" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /Z" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /w" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /t" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /V" tuuhot.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuuhot = "C:\\Users\\Admin\\tuuhot.exe /e" tuuhot.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 1636 4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe 112 tuuhot.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1636 4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f.exe 112 tuuhot.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1636 wrote to memory of 112 1636 4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f.exe 27 PID 1636 wrote to memory of 112 1636 4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f.exe 27 PID 1636 wrote to memory of 112 1636 4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f.exe 27 PID 1636 wrote to memory of 112 1636 4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f.exe"C:\Users\Admin\AppData\Local\Temp\4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f.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:1636 -
C:\Users\Admin\tuuhot.exe"C:\Users\Admin\tuuhot.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:112
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
180KB
MD543d07e11349d9a28f5e782a6dc080358
SHA193b44c24b0e65ebb336da67a56f5ea5ed28d1339
SHA25603936475a2ab3f7bc326777e94e25dbf6a50ee39db7c57e9eba6f3560cd4c829
SHA5122b3f94a41b8dd67bd5ee072082142b69562078de2f7b1f23aa827beb07ec7f7189ab6706381486388c01f38d89687cb65d3564b304bb520bce00940af4fd8f4a
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Filesize
180KB
MD543d07e11349d9a28f5e782a6dc080358
SHA193b44c24b0e65ebb336da67a56f5ea5ed28d1339
SHA25603936475a2ab3f7bc326777e94e25dbf6a50ee39db7c57e9eba6f3560cd4c829
SHA5122b3f94a41b8dd67bd5ee072082142b69562078de2f7b1f23aa827beb07ec7f7189ab6706381486388c01f38d89687cb65d3564b304bb520bce00940af4fd8f4a
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Filesize
180KB
MD543d07e11349d9a28f5e782a6dc080358
SHA193b44c24b0e65ebb336da67a56f5ea5ed28d1339
SHA25603936475a2ab3f7bc326777e94e25dbf6a50ee39db7c57e9eba6f3560cd4c829
SHA5122b3f94a41b8dd67bd5ee072082142b69562078de2f7b1f23aa827beb07ec7f7189ab6706381486388c01f38d89687cb65d3564b304bb520bce00940af4fd8f4a
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Filesize
180KB
MD543d07e11349d9a28f5e782a6dc080358
SHA193b44c24b0e65ebb336da67a56f5ea5ed28d1339
SHA25603936475a2ab3f7bc326777e94e25dbf6a50ee39db7c57e9eba6f3560cd4c829
SHA5122b3f94a41b8dd67bd5ee072082142b69562078de2f7b1f23aa827beb07ec7f7189ab6706381486388c01f38d89687cb65d3564b304bb520bce00940af4fd8f4a