Analysis
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max time kernel
151s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
20/10/2022, 10:21
Static task
static1
Behavioral task
behavioral1
Sample
df7f924bc4e2b8c06c58c81bb3c787f065dadf17cacce9dc51c5432c8d3e7d84.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
df7f924bc4e2b8c06c58c81bb3c787f065dadf17cacce9dc51c5432c8d3e7d84.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
df7f924bc4e2b8c06c58c81bb3c787f065dadf17cacce9dc51c5432c8d3e7d84.exe
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Size
256KB
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MD5
a0974491d06a1f058b1e3176724f5d32
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SHA1
2b50fe4bb4df8247f3a5083c0f86f8424a63e03e
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SHA256
df7f924bc4e2b8c06c58c81bb3c787f065dadf17cacce9dc51c5432c8d3e7d84
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SHA512
83bc0be99fe96b10109a0520db012c7fd6fcaab7baecadb0e7aad5b18f6699855e53d8f8e48ef0f0a79ce58dff64aea0139c9c5825766a14010296d33a17c0ce
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SSDEEP
6144:BiGDh4jLt4NVcWgyGELwXiS8T+bbhn7aRjS5ZgXbG:AGWntWyD1LiS8lS5Zi
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" df7f924bc4e2b8c06c58c81bb3c787f065dadf17cacce9dc51c5432c8d3e7d84.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" liayuur.exe -
Executes dropped EXE 1 IoCs
pid Process 4844 liayuur.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 df7f924bc4e2b8c06c58c81bb3c787f065dadf17cacce9dc51c5432c8d3e7d84.exe -
Adds Run key to start application 2 TTPs 54 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /T" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /P" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /W" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /b" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /w" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /I" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /g" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /k" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /m" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /o" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /r" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /R" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /V" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /U" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /K" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /F" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /S" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /A" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /i" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /X" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /q" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /x" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /n" liayuur.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ df7f924bc4e2b8c06c58c81bb3c787f065dadf17cacce9dc51c5432c8d3e7d84.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /J" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /C" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /y" liayuur.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /a" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /O" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /N" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /v" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /H" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /D" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /Z" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /l" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /j" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /M" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /z" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /v" df7f924bc4e2b8c06c58c81bb3c787f065dadf17cacce9dc51c5432c8d3e7d84.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /B" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /f" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /Q" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /u" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /h" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /E" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /L" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /d" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /Y" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /c" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /e" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /s" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /p" liayuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\liayuur = "C:\\Users\\Admin\\liayuur.exe /t" liayuur.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 536 df7f924bc4e2b8c06c58c81bb3c787f065dadf17cacce9dc51c5432c8d3e7d84.exe 536 df7f924bc4e2b8c06c58c81bb3c787f065dadf17cacce9dc51c5432c8d3e7d84.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe 4844 liayuur.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 536 df7f924bc4e2b8c06c58c81bb3c787f065dadf17cacce9dc51c5432c8d3e7d84.exe 4844 liayuur.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 536 wrote to memory of 4844 536 df7f924bc4e2b8c06c58c81bb3c787f065dadf17cacce9dc51c5432c8d3e7d84.exe 84 PID 536 wrote to memory of 4844 536 df7f924bc4e2b8c06c58c81bb3c787f065dadf17cacce9dc51c5432c8d3e7d84.exe 84 PID 536 wrote to memory of 4844 536 df7f924bc4e2b8c06c58c81bb3c787f065dadf17cacce9dc51c5432c8d3e7d84.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\df7f924bc4e2b8c06c58c81bb3c787f065dadf17cacce9dc51c5432c8d3e7d84.exe"C:\Users\Admin\AppData\Local\Temp\df7f924bc4e2b8c06c58c81bb3c787f065dadf17cacce9dc51c5432c8d3e7d84.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:536 -
C:\Users\Admin\liayuur.exe"C:\Users\Admin\liayuur.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:4844
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
256KB
MD5ebdbd10980854ef07a3dfb8be74679de
SHA1ed5cbe2ddd7bea4ae4bb6cb7151820c4e0f515c5
SHA256385a82af54111afa01f4095e561296c49bd6db6ff54b9b42d7345bf3bd427673
SHA5124d84008203717b3ec256135a7bd554909f7f91e599a8ae960e4326259c9cbf353f774dbbf2d6b8a9dfed9e9896227ceb171c70e348b444ec7bf50c16943b5adc
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Filesize
256KB
MD5ebdbd10980854ef07a3dfb8be74679de
SHA1ed5cbe2ddd7bea4ae4bb6cb7151820c4e0f515c5
SHA256385a82af54111afa01f4095e561296c49bd6db6ff54b9b42d7345bf3bd427673
SHA5124d84008203717b3ec256135a7bd554909f7f91e599a8ae960e4326259c9cbf353f774dbbf2d6b8a9dfed9e9896227ceb171c70e348b444ec7bf50c16943b5adc