Analysis
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max time kernel
187s -
max time network
191s -
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, 19:10
Static task
static1
Behavioral task
behavioral1
Sample
c6fe74197637028e9306ab9eeac330377f10245955c9b78b4ec8680e8031e1a4.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
c6fe74197637028e9306ab9eeac330377f10245955c9b78b4ec8680e8031e1a4.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
c6fe74197637028e9306ab9eeac330377f10245955c9b78b4ec8680e8031e1a4.exe
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Size
108KB
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MD5
814da7d5e77ed4674b09652c2472f8e7
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SHA1
75bb2d9e682b07a88c3433151bb75ec647f930d4
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SHA256
c6fe74197637028e9306ab9eeac330377f10245955c9b78b4ec8680e8031e1a4
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SHA512
d03f610de08e3df7c8803779197a80baf9466ea6836eeb853910a6fd0f58f526dc7a4ea45e9b02d68755e6c9f96d2f190efdf20283e896912a28558d9fad288d
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SSDEEP
1536:sc+KiB6oQ7Lh5+sXmNt0ttiPXLq0zTrkB:5+moIeZt1XTzToB
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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" c6fe74197637028e9306ab9eeac330377f10245955c9b78b4ec8680e8031e1a4.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" lhdun.exe -
Executes dropped EXE 1 IoCs
pid Process 2272 lhdun.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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation c6fe74197637028e9306ab9eeac330377f10245955c9b78b4ec8680e8031e1a4.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhdun = "C:\\Users\\Admin\\lhdun.exe /t" lhdun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhdun = "C:\\Users\\Admin\\lhdun.exe /y" lhdun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhdun = "C:\\Users\\Admin\\lhdun.exe /c" lhdun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhdun = "C:\\Users\\Admin\\lhdun.exe /d" lhdun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhdun = "C:\\Users\\Admin\\lhdun.exe /i" lhdun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhdun = "C:\\Users\\Admin\\lhdun.exe /j" lhdun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhdun = "C:\\Users\\Admin\\lhdun.exe /g" lhdun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhdun = "C:\\Users\\Admin\\lhdun.exe /y" c6fe74197637028e9306ab9eeac330377f10245955c9b78b4ec8680e8031e1a4.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhdun = "C:\\Users\\Admin\\lhdun.exe /f" lhdun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhdun = "C:\\Users\\Admin\\lhdun.exe /o" lhdun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhdun = "C:\\Users\\Admin\\lhdun.exe /s" lhdun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhdun = "C:\\Users\\Admin\\lhdun.exe /e" lhdun.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ c6fe74197637028e9306ab9eeac330377f10245955c9b78b4ec8680e8031e1a4.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhdun = "C:\\Users\\Admin\\lhdun.exe /v" lhdun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhdun = "C:\\Users\\Admin\\lhdun.exe /l" lhdun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhdun = "C:\\Users\\Admin\\lhdun.exe /z" lhdun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhdun = "C:\\Users\\Admin\\lhdun.exe /p" lhdun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhdun = "C:\\Users\\Admin\\lhdun.exe /m" lhdun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhdun = "C:\\Users\\Admin\\lhdun.exe /x" lhdun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhdun = "C:\\Users\\Admin\\lhdun.exe /a" lhdun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhdun = "C:\\Users\\Admin\\lhdun.exe /r" lhdun.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ lhdun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhdun = "C:\\Users\\Admin\\lhdun.exe /q" lhdun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhdun = "C:\\Users\\Admin\\lhdun.exe /h" lhdun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhdun = "C:\\Users\\Admin\\lhdun.exe /b" lhdun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhdun = "C:\\Users\\Admin\\lhdun.exe /n" lhdun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhdun = "C:\\Users\\Admin\\lhdun.exe /u" lhdun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhdun = "C:\\Users\\Admin\\lhdun.exe /w" lhdun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lhdun = "C:\\Users\\Admin\\lhdun.exe /k" lhdun.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 4344 c6fe74197637028e9306ab9eeac330377f10245955c9b78b4ec8680e8031e1a4.exe 4344 c6fe74197637028e9306ab9eeac330377f10245955c9b78b4ec8680e8031e1a4.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe 2272 lhdun.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4344 c6fe74197637028e9306ab9eeac330377f10245955c9b78b4ec8680e8031e1a4.exe 2272 lhdun.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4344 wrote to memory of 2272 4344 c6fe74197637028e9306ab9eeac330377f10245955c9b78b4ec8680e8031e1a4.exe 81 PID 4344 wrote to memory of 2272 4344 c6fe74197637028e9306ab9eeac330377f10245955c9b78b4ec8680e8031e1a4.exe 81 PID 4344 wrote to memory of 2272 4344 c6fe74197637028e9306ab9eeac330377f10245955c9b78b4ec8680e8031e1a4.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\c6fe74197637028e9306ab9eeac330377f10245955c9b78b4ec8680e8031e1a4.exe"C:\Users\Admin\AppData\Local\Temp\c6fe74197637028e9306ab9eeac330377f10245955c9b78b4ec8680e8031e1a4.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:4344 -
C:\Users\Admin\lhdun.exe"C:\Users\Admin\lhdun.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:2272
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
108KB
MD5e05f85035b213cd55170c588b35eb678
SHA12cf2fd5e1f6fcdaa0986d155b61f30da4bd3cc57
SHA2565e6c56bbb1d3b22e6aed4650fda7871803724b384dfb77fede3d8d2a5fc13f29
SHA5129c204f088ebeead6c6d159e002d056688ac68beeabca17d384d86c3206308d13da6a813e70b6280cdebf512a701172bc73c5c5ef425142d266a446961d04a740
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Filesize
108KB
MD5e05f85035b213cd55170c588b35eb678
SHA12cf2fd5e1f6fcdaa0986d155b61f30da4bd3cc57
SHA2565e6c56bbb1d3b22e6aed4650fda7871803724b384dfb77fede3d8d2a5fc13f29
SHA5129c204f088ebeead6c6d159e002d056688ac68beeabca17d384d86c3206308d13da6a813e70b6280cdebf512a701172bc73c5c5ef425142d266a446961d04a740