Analysis
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max time kernel
150s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
28-02-2024 16:57
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
ac634b99c34f27b7c605d84856836c47.exe
Resource
win7-20240221-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
ac634b99c34f27b7c605d84856836c47.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
ac634b99c34f27b7c605d84856836c47.exe
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Size
152KB
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MD5
ac634b99c34f27b7c605d84856836c47
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SHA1
8dabe68781c2d8741477823dbc1c7cd7c60c2208
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SHA256
f37911fa3eddded38957afd0b13fff0342d95df656e84363c0cf6d1413d23b60
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SHA512
022b8a5f19a522652958475392308f4570bba1d7ca748cd7e0612c0673998a0e0daf054ff2fb5ef7de95e8c5add4113779aab591ddef674eb6294eaf6a870d85
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SSDEEP
3072:nVSLL2zYLzEi4Au+huHLVYMMfYPHdtlRlgbHL4oQZiE1DFNd:VSn2zYvt43+KL04lRqjlW7DFz
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-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" nouemub.exe Set value (int) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ac634b99c34f27b7c605d84856836c47.exe -
Executes dropped EXE 1 IoCs
pid Process 1392 nouemub.exe -
Loads dropped DLL 2 IoCs
pid Process 2820 ac634b99c34f27b7c605d84856836c47.exe 2820 ac634b99c34f27b7c605d84856836c47.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /b" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /a" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /K" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /y" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /J" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /L" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /N" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /U" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /z" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /t" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /H" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /x" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /v" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /D" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /c" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /w" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /P" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /W" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /A" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /Z" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /V" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /Y" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /r" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /q" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /j" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /o" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /g" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /n" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /I" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /E" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /p" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /s" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /X" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /M" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /m" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /f" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /R" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /F" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /i" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /d" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /e" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /k" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /B" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /G" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /h" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /l" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /u" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /T" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /O" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /C" nouemub.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /W" ac634b99c34f27b7c605d84856836c47.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\nouemub = "C:\\Users\\Admin\\nouemub.exe /Q" nouemub.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 2820 ac634b99c34f27b7c605d84856836c47.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe 1392 nouemub.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2820 ac634b99c34f27b7c605d84856836c47.exe 1392 nouemub.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2820 wrote to memory of 1392 2820 ac634b99c34f27b7c605d84856836c47.exe 28 PID 2820 wrote to memory of 1392 2820 ac634b99c34f27b7c605d84856836c47.exe 28 PID 2820 wrote to memory of 1392 2820 ac634b99c34f27b7c605d84856836c47.exe 28 PID 2820 wrote to memory of 1392 2820 ac634b99c34f27b7c605d84856836c47.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\ac634b99c34f27b7c605d84856836c47.exe"C:\Users\Admin\AppData\Local\Temp\ac634b99c34f27b7c605d84856836c47.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:2820 -
C:\Users\Admin\nouemub.exe"C:\Users\Admin\nouemub.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:1392
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
152KB
MD5b87368ccac37c6ab15aeefb5d5df3362
SHA1d59d4b2ecf98251a8cc6b0bbbec4c98f9af98506
SHA25650358dabb5b5699d23dba4d0f640f210349189c94253b8b06cfd208ee545dfb8
SHA5121fbbd93bdbea83af44b2d3404bf5b73f9c84bcebf198a80c166b4b2efc27db2eef985fb3ef2999d066da16d014397023e70ca96abce3381605d6e6d0d8ea8c9d