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Analysis
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max time kernel
207s -
max time network
232s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
27/11/2022, 18:50
Static task
static1
Behavioral task
behavioral1
Sample
09a8354aa390f350e2992d12a73554706645df7843ed1f03880a798555b8abc2.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
09a8354aa390f350e2992d12a73554706645df7843ed1f03880a798555b8abc2.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
09a8354aa390f350e2992d12a73554706645df7843ed1f03880a798555b8abc2.exe
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Size
248KB
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MD5
f9fcad313857098d303a6ce77a8fcc63
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SHA1
0d2337408f358d275c7145211b3a37e374806efb
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SHA256
09a8354aa390f350e2992d12a73554706645df7843ed1f03880a798555b8abc2
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SHA512
890f5221b8a12336fd141e81412a5082a33aec9bb94b5a78a654bf93c2601d00cab7a64dba9feae19299cfb960154df1b778c5cf4ed23cfa1848692582d24e5a
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SSDEEP
6144:pHM5CElofkFWQPtnRneqAKnvmb7/D269fgwMty0e6ndv0Dj:ps5CLkFfnRnWKnvmb7/D26qndv0Dj
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-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 09a8354aa390f350e2992d12a73554706645df7843ed1f03880a798555b8abc2.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" nosom.exe -
Executes dropped EXE 1 IoCs
pid Process 3844 nosom.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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation 09a8354aa390f350e2992d12a73554706645df7843ed1f03880a798555b8abc2.exe -
Adds Run key to start application 2 TTPs 55 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 09a8354aa390f350e2992d12a73554706645df7843ed1f03880a798555b8abc2.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /s" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /F" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /L" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /S" 09a8354aa390f350e2992d12a73554706645df7843ed1f03880a798555b8abc2.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /X" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /E" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /g" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /H" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /t" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /x" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /u" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /S" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /p" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /R" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /D" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /M" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /q" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /n" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /v" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /Z" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /U" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /m" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /j" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /b" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /J" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /Y" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /h" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /o" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /I" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /W" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /G" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /y" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /r" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /w" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /K" nosom.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\ nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /T" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /C" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /Q" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /e" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /B" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /c" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /O" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /k" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /z" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /f" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /N" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /a" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /d" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /i" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /V" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /l" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /P" nosom.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nosom = "C:\\Users\\Admin\\nosom.exe /A" nosom.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 736 09a8354aa390f350e2992d12a73554706645df7843ed1f03880a798555b8abc2.exe 736 09a8354aa390f350e2992d12a73554706645df7843ed1f03880a798555b8abc2.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe 3844 nosom.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 736 09a8354aa390f350e2992d12a73554706645df7843ed1f03880a798555b8abc2.exe 3844 nosom.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 736 wrote to memory of 3844 736 09a8354aa390f350e2992d12a73554706645df7843ed1f03880a798555b8abc2.exe 85 PID 736 wrote to memory of 3844 736 09a8354aa390f350e2992d12a73554706645df7843ed1f03880a798555b8abc2.exe 85 PID 736 wrote to memory of 3844 736 09a8354aa390f350e2992d12a73554706645df7843ed1f03880a798555b8abc2.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\09a8354aa390f350e2992d12a73554706645df7843ed1f03880a798555b8abc2.exe"C:\Users\Admin\AppData\Local\Temp\09a8354aa390f350e2992d12a73554706645df7843ed1f03880a798555b8abc2.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:736 -
C:\Users\Admin\nosom.exe"C:\Users\Admin\nosom.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:3844
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
248KB
MD554955fdf503f561d197ab2933f1873ff
SHA1edb5bcba494ad0ff0227721e9c9e55f0bd7d8b5f
SHA2568e2c767a2a52604c71db827d8f402706233a33685f39a63a7f906fae368f4a08
SHA5121a2d1e1aa3520f444898504b1d4ea247de76fcbdba620f6e62b859c5ce6ffff10f5e6db91d17839d434a9ddfbdba133ed7628a404e84cacb7bcb5f2e32a0edc2
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Filesize
248KB
MD554955fdf503f561d197ab2933f1873ff
SHA1edb5bcba494ad0ff0227721e9c9e55f0bd7d8b5f
SHA2568e2c767a2a52604c71db827d8f402706233a33685f39a63a7f906fae368f4a08
SHA5121a2d1e1aa3520f444898504b1d4ea247de76fcbdba620f6e62b859c5ce6ffff10f5e6db91d17839d434a9ddfbdba133ed7628a404e84cacb7bcb5f2e32a0edc2