Analysis
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max time kernel
191s -
max time network
189s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
07/12/2022, 02:49
Static task
static1
Behavioral task
behavioral1
Sample
1736f10feb9cf03441051c0dd054a5b3c183de41ff8436b5e61c4b33a9a730bf.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
1736f10feb9cf03441051c0dd054a5b3c183de41ff8436b5e61c4b33a9a730bf.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
1736f10feb9cf03441051c0dd054a5b3c183de41ff8436b5e61c4b33a9a730bf.exe
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Size
272KB
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MD5
31259c88b556402febd983099b2ece76
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SHA1
2c67a87dc2da94eb430838562729f68fcaf110ed
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SHA256
1736f10feb9cf03441051c0dd054a5b3c183de41ff8436b5e61c4b33a9a730bf
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SHA512
71db7ee746516c98e3819a88ec1d7cd8f08b18dd638a7dfb473404f110d5d83028c9d61468fb6903e3c6b418be023e513076a65a132e748942adbc7e960a78c8
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SSDEEP
3072:Z4I9gmss0FvbVJznCRcz/hVFA9MSs/PLLj+Qm4U3YwgTeA3ff:2VvbfznH7O9G/PLLxU3YwgT
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" 1736f10feb9cf03441051c0dd054a5b3c183de41ff8436b5e61c4b33a9a730bf.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" raoubu.exe -
Executes dropped EXE 1 IoCs
pid Process 3284 raoubu.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 1736f10feb9cf03441051c0dd054a5b3c183de41ff8436b5e61c4b33a9a730bf.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raoubu = "C:\\Users\\Admin\\raoubu.exe /a" raoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raoubu = "C:\\Users\\Admin\\raoubu.exe /o" raoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raoubu = "C:\\Users\\Admin\\raoubu.exe /z" raoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raoubu = "C:\\Users\\Admin\\raoubu.exe /f" raoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raoubu = "C:\\Users\\Admin\\raoubu.exe /u" raoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raoubu = "C:\\Users\\Admin\\raoubu.exe /s" raoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raoubu = "C:\\Users\\Admin\\raoubu.exe /g" raoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raoubu = "C:\\Users\\Admin\\raoubu.exe /y" raoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raoubu = "C:\\Users\\Admin\\raoubu.exe /q" raoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raoubu = "C:\\Users\\Admin\\raoubu.exe /p" raoubu.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 1736f10feb9cf03441051c0dd054a5b3c183de41ff8436b5e61c4b33a9a730bf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raoubu = "C:\\Users\\Admin\\raoubu.exe /r" raoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raoubu = "C:\\Users\\Admin\\raoubu.exe /j" raoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raoubu = "C:\\Users\\Admin\\raoubu.exe /t" raoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raoubu = "C:\\Users\\Admin\\raoubu.exe /i" raoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raoubu = "C:\\Users\\Admin\\raoubu.exe /w" raoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raoubu = "C:\\Users\\Admin\\raoubu.exe /m" raoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raoubu = "C:\\Users\\Admin\\raoubu.exe /e" raoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raoubu = "C:\\Users\\Admin\\raoubu.exe /k" raoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raoubu = "C:\\Users\\Admin\\raoubu.exe /x" raoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raoubu = "C:\\Users\\Admin\\raoubu.exe /c" raoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raoubu = "C:\\Users\\Admin\\raoubu.exe /a" 1736f10feb9cf03441051c0dd054a5b3c183de41ff8436b5e61c4b33a9a730bf.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ raoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raoubu = "C:\\Users\\Admin\\raoubu.exe /b" raoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raoubu = "C:\\Users\\Admin\\raoubu.exe /h" raoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raoubu = "C:\\Users\\Admin\\raoubu.exe /n" raoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raoubu = "C:\\Users\\Admin\\raoubu.exe /d" raoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raoubu = "C:\\Users\\Admin\\raoubu.exe /v" raoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raoubu = "C:\\Users\\Admin\\raoubu.exe /l" raoubu.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings 1736f10feb9cf03441051c0dd054a5b3c183de41ff8436b5e61c4b33a9a730bf.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4356 1736f10feb9cf03441051c0dd054a5b3c183de41ff8436b5e61c4b33a9a730bf.exe 4356 1736f10feb9cf03441051c0dd054a5b3c183de41ff8436b5e61c4b33a9a730bf.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe 3284 raoubu.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4356 1736f10feb9cf03441051c0dd054a5b3c183de41ff8436b5e61c4b33a9a730bf.exe 3284 raoubu.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4356 wrote to memory of 3284 4356 1736f10feb9cf03441051c0dd054a5b3c183de41ff8436b5e61c4b33a9a730bf.exe 80 PID 4356 wrote to memory of 3284 4356 1736f10feb9cf03441051c0dd054a5b3c183de41ff8436b5e61c4b33a9a730bf.exe 80 PID 4356 wrote to memory of 3284 4356 1736f10feb9cf03441051c0dd054a5b3c183de41ff8436b5e61c4b33a9a730bf.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\1736f10feb9cf03441051c0dd054a5b3c183de41ff8436b5e61c4b33a9a730bf.exe"C:\Users\Admin\AppData\Local\Temp\1736f10feb9cf03441051c0dd054a5b3c183de41ff8436b5e61c4b33a9a730bf.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4356 -
C:\Users\Admin\raoubu.exe"C:\Users\Admin\raoubu.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:3284
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:4204
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
272KB
MD531259c88b556402febd983099b2ece76
SHA12c67a87dc2da94eb430838562729f68fcaf110ed
SHA2561736f10feb9cf03441051c0dd054a5b3c183de41ff8436b5e61c4b33a9a730bf
SHA51271db7ee746516c98e3819a88ec1d7cd8f08b18dd638a7dfb473404f110d5d83028c9d61468fb6903e3c6b418be023e513076a65a132e748942adbc7e960a78c8
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Filesize
272KB
MD531259c88b556402febd983099b2ece76
SHA12c67a87dc2da94eb430838562729f68fcaf110ed
SHA2561736f10feb9cf03441051c0dd054a5b3c183de41ff8436b5e61c4b33a9a730bf
SHA51271db7ee746516c98e3819a88ec1d7cd8f08b18dd638a7dfb473404f110d5d83028c9d61468fb6903e3c6b418be023e513076a65a132e748942adbc7e960a78c8