Analysis
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max time kernel
153s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03-12-2022 19:57
Static task
static1
Behavioral task
behavioral1
Sample
9984de7e832e78435649f5c8cdf6d923209e8f8cc610da62f660d2a6b8ed40c3.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
9984de7e832e78435649f5c8cdf6d923209e8f8cc610da62f660d2a6b8ed40c3.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
9984de7e832e78435649f5c8cdf6d923209e8f8cc610da62f660d2a6b8ed40c3.exe
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Size
136KB
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MD5
f932144013fd2c34fee504119d3652ff
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SHA1
ce6ee1bab12196094a4f9071fefca0bb2d4ec479
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SHA256
9984de7e832e78435649f5c8cdf6d923209e8f8cc610da62f660d2a6b8ed40c3
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SHA512
ecdaebde8d883f83ce8007e380799cb9c8465ae8d51a677f2ceec97d28311d324b7d2fe9b5869efb86a52ba3bedf17678d69c139d07bb271d4905eb0696b88f8
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SSDEEP
3072:vpSJovvXFwRBW1cQoj9MYuPCNtrK6tJTVUa3739ec9:mu/d2QRYjfTVU4te
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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 9984de7e832e78435649f5c8cdf6d923209e8f8cc610da62f660d2a6b8ed40c3.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" lhwum.exe -
Executes dropped EXE 1 IoCs
pid Process 4508 lhwum.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation 9984de7e832e78435649f5c8cdf6d923209e8f8cc610da62f660d2a6b8ed40c3.exe -
Adds Run key to start application 2 TTPs 55 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /S" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /v" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /r" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /X" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /L" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /k" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /q" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /F" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /A" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /R" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /y" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /i" lhwum.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /H" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /x" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /l" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /w" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /N" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /Y" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /t" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /z" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /j" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /D" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /I" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /Z" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /a" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /O" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /p" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /n" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /P" lhwum.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 9984de7e832e78435649f5c8cdf6d923209e8f8cc610da62f660d2a6b8ed40c3.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /f" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /E" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /h" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /J" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /s" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /g" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /c" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /V" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /e" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /M" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /G" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /B" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /c" 9984de7e832e78435649f5c8cdf6d923209e8f8cc610da62f660d2a6b8ed40c3.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /C" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /K" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /d" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /W" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /o" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /U" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /Q" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /b" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /m" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /T" lhwum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhwum = "C:\\Users\\Admin\\lhwum.exe /u" lhwum.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 1392 9984de7e832e78435649f5c8cdf6d923209e8f8cc610da62f660d2a6b8ed40c3.exe 1392 9984de7e832e78435649f5c8cdf6d923209e8f8cc610da62f660d2a6b8ed40c3.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe 4508 lhwum.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1392 9984de7e832e78435649f5c8cdf6d923209e8f8cc610da62f660d2a6b8ed40c3.exe 4508 lhwum.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1392 wrote to memory of 4508 1392 9984de7e832e78435649f5c8cdf6d923209e8f8cc610da62f660d2a6b8ed40c3.exe 79 PID 1392 wrote to memory of 4508 1392 9984de7e832e78435649f5c8cdf6d923209e8f8cc610da62f660d2a6b8ed40c3.exe 79 PID 1392 wrote to memory of 4508 1392 9984de7e832e78435649f5c8cdf6d923209e8f8cc610da62f660d2a6b8ed40c3.exe 79
Processes
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C:\Users\Admin\AppData\Local\Temp\9984de7e832e78435649f5c8cdf6d923209e8f8cc610da62f660d2a6b8ed40c3.exe"C:\Users\Admin\AppData\Local\Temp\9984de7e832e78435649f5c8cdf6d923209e8f8cc610da62f660d2a6b8ed40c3.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1392 -
C:\Users\Admin\lhwum.exe"C:\Users\Admin\lhwum.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:4508
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
136KB
MD54e728477bfb1d22487eb113653880e37
SHA17ce330f5e2ba87e06a71d89340f665d7115bddd9
SHA256411a42389ba2a61735018354efef556d6c1ed72717d9fb1c8b70cb748ec5be00
SHA512b9fbd757ba0851d036c19c2b0fecadff9ae76a6c8e37ae0e1aeb40e3dd094cd311e2f6211e4380ec1184300d81e827253115a1e07f633c216bb712e535368d99
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Filesize
136KB
MD54e728477bfb1d22487eb113653880e37
SHA17ce330f5e2ba87e06a71d89340f665d7115bddd9
SHA256411a42389ba2a61735018354efef556d6c1ed72717d9fb1c8b70cb748ec5be00
SHA512b9fbd757ba0851d036c19c2b0fecadff9ae76a6c8e37ae0e1aeb40e3dd094cd311e2f6211e4380ec1184300d81e827253115a1e07f633c216bb712e535368d99