Analysis
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max time kernel
153s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
30/10/2022, 19:41
Static task
static1
Behavioral task
behavioral1
Sample
cc35cb501bff9efd0ba76c5289ca8bfaee874b6dca6433d87dbc5b593f7c9247.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
cc35cb501bff9efd0ba76c5289ca8bfaee874b6dca6433d87dbc5b593f7c9247.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
cc35cb501bff9efd0ba76c5289ca8bfaee874b6dca6433d87dbc5b593f7c9247.exe
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Size
164KB
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MD5
a23f37290ed4242c789ad7752457aa60
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SHA1
dc9d8438e8e0e2fd848f446c8ba6d6c4eafdaaef
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SHA256
cc35cb501bff9efd0ba76c5289ca8bfaee874b6dca6433d87dbc5b593f7c9247
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SHA512
0f0a03c9106246c1a4386af1f62587c0a1aa9b955632436d2e0f21e40a5dcb904f6009c7577823ef4d5cde041f65e79e6f9bad18cb6dfd882a5532f79076c4ee
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SSDEEP
3072:0oHMk+jHbub8Vq0mEFlXPb+OXNJDtOdS7dcovBuoF+N7bZD16iYIQusGGTkLGFMW:crHKQVqnAXPaAtOdS7dcovBuoF+N7bZ8
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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" cc35cb501bff9efd0ba76c5289ca8bfaee874b6dca6433d87dbc5b593f7c9247.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" weoya.exe -
Executes dropped EXE 1 IoCs
pid Process 1536 weoya.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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation cc35cb501bff9efd0ba76c5289ca8bfaee874b6dca6433d87dbc5b593f7c9247.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ weoya.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoya = "C:\\Users\\Admin\\weoya.exe /t" weoya.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoya = "C:\\Users\\Admin\\weoya.exe /o" weoya.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoya = "C:\\Users\\Admin\\weoya.exe /w" weoya.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoya = "C:\\Users\\Admin\\weoya.exe /c" weoya.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoya = "C:\\Users\\Admin\\weoya.exe /h" weoya.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoya = "C:\\Users\\Admin\\weoya.exe /j" weoya.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoya = "C:\\Users\\Admin\\weoya.exe /r" weoya.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoya = "C:\\Users\\Admin\\weoya.exe /f" weoya.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ cc35cb501bff9efd0ba76c5289ca8bfaee874b6dca6433d87dbc5b593f7c9247.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoya = "C:\\Users\\Admin\\weoya.exe /l" weoya.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoya = "C:\\Users\\Admin\\weoya.exe /q" weoya.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoya = "C:\\Users\\Admin\\weoya.exe /d" weoya.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoya = "C:\\Users\\Admin\\weoya.exe /k" weoya.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoya = "C:\\Users\\Admin\\weoya.exe /r" cc35cb501bff9efd0ba76c5289ca8bfaee874b6dca6433d87dbc5b593f7c9247.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoya = "C:\\Users\\Admin\\weoya.exe /p" weoya.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoya = "C:\\Users\\Admin\\weoya.exe /i" weoya.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoya = "C:\\Users\\Admin\\weoya.exe /u" weoya.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoya = "C:\\Users\\Admin\\weoya.exe /m" weoya.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoya = "C:\\Users\\Admin\\weoya.exe /z" weoya.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoya = "C:\\Users\\Admin\\weoya.exe /a" weoya.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoya = "C:\\Users\\Admin\\weoya.exe /v" weoya.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoya = "C:\\Users\\Admin\\weoya.exe /e" weoya.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoya = "C:\\Users\\Admin\\weoya.exe /x" weoya.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoya = "C:\\Users\\Admin\\weoya.exe /n" weoya.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoya = "C:\\Users\\Admin\\weoya.exe /b" weoya.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoya = "C:\\Users\\Admin\\weoya.exe /y" weoya.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoya = "C:\\Users\\Admin\\weoya.exe /g" weoya.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoya = "C:\\Users\\Admin\\weoya.exe /s" weoya.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 2364 cc35cb501bff9efd0ba76c5289ca8bfaee874b6dca6433d87dbc5b593f7c9247.exe 2364 cc35cb501bff9efd0ba76c5289ca8bfaee874b6dca6433d87dbc5b593f7c9247.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe 1536 weoya.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2364 cc35cb501bff9efd0ba76c5289ca8bfaee874b6dca6433d87dbc5b593f7c9247.exe 1536 weoya.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2364 wrote to memory of 1536 2364 cc35cb501bff9efd0ba76c5289ca8bfaee874b6dca6433d87dbc5b593f7c9247.exe 84 PID 2364 wrote to memory of 1536 2364 cc35cb501bff9efd0ba76c5289ca8bfaee874b6dca6433d87dbc5b593f7c9247.exe 84 PID 2364 wrote to memory of 1536 2364 cc35cb501bff9efd0ba76c5289ca8bfaee874b6dca6433d87dbc5b593f7c9247.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\cc35cb501bff9efd0ba76c5289ca8bfaee874b6dca6433d87dbc5b593f7c9247.exe"C:\Users\Admin\AppData\Local\Temp\cc35cb501bff9efd0ba76c5289ca8bfaee874b6dca6433d87dbc5b593f7c9247.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:2364 -
C:\Users\Admin\weoya.exe"C:\Users\Admin\weoya.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:1536
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
164KB
MD5b98026e9f3d78f7b7af62b738059b0f1
SHA1b2e0a963582e1c39dabc60be6e5f3b25577a0af7
SHA2563bcb9ba7cb8adc63cae1771a7a5f7ef59ab5290832d7dbbab2757115f02600aa
SHA51284d503b5d07ba60f8fe7b4fb704af927b067fe8812cefcbe20e6d9b32c195c89c24763b546c856eaf6888983c0f8c13e72f3b1de05ff1e7bec04e81a959f5061
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Filesize
164KB
MD5b98026e9f3d78f7b7af62b738059b0f1
SHA1b2e0a963582e1c39dabc60be6e5f3b25577a0af7
SHA2563bcb9ba7cb8adc63cae1771a7a5f7ef59ab5290832d7dbbab2757115f02600aa
SHA51284d503b5d07ba60f8fe7b4fb704af927b067fe8812cefcbe20e6d9b32c195c89c24763b546c856eaf6888983c0f8c13e72f3b1de05ff1e7bec04e81a959f5061