Analysis
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max time kernel
162s -
max time network
169s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
07-11-2022 00:24
Static task
static1
Behavioral task
behavioral1
Sample
3f0dba21d1cfbafa7eb8b714288c0535f7e4acbccd569fbf994669a3642009fc.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
3f0dba21d1cfbafa7eb8b714288c0535f7e4acbccd569fbf994669a3642009fc.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
3f0dba21d1cfbafa7eb8b714288c0535f7e4acbccd569fbf994669a3642009fc.exe
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Size
180KB
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MD5
1308e06aed6c026191e90bb6a3867a10
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SHA1
ffd678473ffb3ccecc7107281edaed2c15a635f5
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SHA256
3f0dba21d1cfbafa7eb8b714288c0535f7e4acbccd569fbf994669a3642009fc
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SHA512
ff25ec9cc8d3dff570888268c6db62603b47cbb62e8fa8e7ac59e40a31cf15bb0c2d2c7fab14014f3fd5d2356901b61d6369578b1ccf49c1fed36b1ec45280d3
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SSDEEP
3072:GNpNSItEiROnFvmPjCXMN5iH1VMZZZZWMkIJ3Q:ip4mEMN+1VHYe
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" 3f0dba21d1cfbafa7eb8b714288c0535f7e4acbccd569fbf994669a3642009fc.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" beuoyiv.exe -
Executes dropped EXE 1 IoCs
pid Process 440 beuoyiv.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 3f0dba21d1cfbafa7eb8b714288c0535f7e4acbccd569fbf994669a3642009fc.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\beuoyiv = "C:\\Users\\Admin\\beuoyiv.exe /v" beuoyiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beuoyiv = "C:\\Users\\Admin\\beuoyiv.exe /c" beuoyiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beuoyiv = "C:\\Users\\Admin\\beuoyiv.exe /m" beuoyiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beuoyiv = "C:\\Users\\Admin\\beuoyiv.exe /u" beuoyiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beuoyiv = "C:\\Users\\Admin\\beuoyiv.exe /x" beuoyiv.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ beuoyiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beuoyiv = "C:\\Users\\Admin\\beuoyiv.exe /j" beuoyiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beuoyiv = "C:\\Users\\Admin\\beuoyiv.exe /w" beuoyiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beuoyiv = "C:\\Users\\Admin\\beuoyiv.exe /f" beuoyiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beuoyiv = "C:\\Users\\Admin\\beuoyiv.exe /y" beuoyiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beuoyiv = "C:\\Users\\Admin\\beuoyiv.exe /b" beuoyiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beuoyiv = "C:\\Users\\Admin\\beuoyiv.exe /q" beuoyiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beuoyiv = "C:\\Users\\Admin\\beuoyiv.exe /l" 3f0dba21d1cfbafa7eb8b714288c0535f7e4acbccd569fbf994669a3642009fc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beuoyiv = "C:\\Users\\Admin\\beuoyiv.exe /p" beuoyiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beuoyiv = "C:\\Users\\Admin\\beuoyiv.exe /l" beuoyiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beuoyiv = "C:\\Users\\Admin\\beuoyiv.exe /d" beuoyiv.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 3f0dba21d1cfbafa7eb8b714288c0535f7e4acbccd569fbf994669a3642009fc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beuoyiv = "C:\\Users\\Admin\\beuoyiv.exe /o" beuoyiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beuoyiv = "C:\\Users\\Admin\\beuoyiv.exe /n" beuoyiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beuoyiv = "C:\\Users\\Admin\\beuoyiv.exe /e" beuoyiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beuoyiv = "C:\\Users\\Admin\\beuoyiv.exe /r" beuoyiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beuoyiv = "C:\\Users\\Admin\\beuoyiv.exe /i" beuoyiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beuoyiv = "C:\\Users\\Admin\\beuoyiv.exe /z" beuoyiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beuoyiv = "C:\\Users\\Admin\\beuoyiv.exe /t" beuoyiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beuoyiv = "C:\\Users\\Admin\\beuoyiv.exe /g" beuoyiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beuoyiv = "C:\\Users\\Admin\\beuoyiv.exe /s" beuoyiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beuoyiv = "C:\\Users\\Admin\\beuoyiv.exe /h" beuoyiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beuoyiv = "C:\\Users\\Admin\\beuoyiv.exe /a" beuoyiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beuoyiv = "C:\\Users\\Admin\\beuoyiv.exe /k" beuoyiv.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 4388 3f0dba21d1cfbafa7eb8b714288c0535f7e4acbccd569fbf994669a3642009fc.exe 4388 3f0dba21d1cfbafa7eb8b714288c0535f7e4acbccd569fbf994669a3642009fc.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe 440 beuoyiv.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4388 3f0dba21d1cfbafa7eb8b714288c0535f7e4acbccd569fbf994669a3642009fc.exe 440 beuoyiv.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4388 wrote to memory of 440 4388 3f0dba21d1cfbafa7eb8b714288c0535f7e4acbccd569fbf994669a3642009fc.exe 81 PID 4388 wrote to memory of 440 4388 3f0dba21d1cfbafa7eb8b714288c0535f7e4acbccd569fbf994669a3642009fc.exe 81 PID 4388 wrote to memory of 440 4388 3f0dba21d1cfbafa7eb8b714288c0535f7e4acbccd569fbf994669a3642009fc.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\3f0dba21d1cfbafa7eb8b714288c0535f7e4acbccd569fbf994669a3642009fc.exe"C:\Users\Admin\AppData\Local\Temp\3f0dba21d1cfbafa7eb8b714288c0535f7e4acbccd569fbf994669a3642009fc.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:4388 -
C:\Users\Admin\beuoyiv.exe"C:\Users\Admin\beuoyiv.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:440
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
180KB
MD567fb549449693141e4a313d74138034b
SHA1cbc92f1497d8beb57f4eb2998b1423fe9c0d1a4a
SHA2564f59261dafedde15b49fcfa02587c3a163445af2e8e5b0f2ad7f956972a00be5
SHA512b28305ce16b5dd4d7b220f2ed0327717f0769e1b0acd0d775fa14d774141438dd80530e0dd63046046148e2a83d5c2b58d1949988d234137a0725f8f695d4c71
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Filesize
180KB
MD567fb549449693141e4a313d74138034b
SHA1cbc92f1497d8beb57f4eb2998b1423fe9c0d1a4a
SHA2564f59261dafedde15b49fcfa02587c3a163445af2e8e5b0f2ad7f956972a00be5
SHA512b28305ce16b5dd4d7b220f2ed0327717f0769e1b0acd0d775fa14d774141438dd80530e0dd63046046148e2a83d5c2b58d1949988d234137a0725f8f695d4c71