Analysis
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max time kernel
152s -
max time network
176s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
12/10/2022, 16:22
Static task
static1
Behavioral task
behavioral1
Sample
466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf.exe
Resource
win7-20220812-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf.exe
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Size
159KB
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MD5
6644f555772fe8ad12e077b9af898ef0
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SHA1
2bb7102672e370d85626662743fcee0142261a95
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SHA256
466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf
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SHA512
c617ee576c194b1d19ead7a62f9e23fb81186147ccaf127a2f87f12520a901b8a444943f602fdfb56766fe09c957b33dd7e7e944339aa53ef2550765ca0f258b
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SSDEEP
3072:AQAyDsMotMKQPinWwnX4hq0VNwnv4dmvor6oz:/AyIMoTTnXz2q4dWy
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" 466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" fvgun.exe -
Executes dropped EXE 2 IoCs
pid Process 1144 fvgun.exe 924 fvgun.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 466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fvgun = "C:\\Users\\Admin\\fvgun.exe /j" fvgun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fvgun = "C:\\Users\\Admin\\fvgun.exe /l" fvgun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fvgun = "C:\\Users\\Admin\\fvgun.exe /f" fvgun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fvgun = "C:\\Users\\Admin\\fvgun.exe /t" fvgun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fvgun = "C:\\Users\\Admin\\fvgun.exe /c" fvgun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fvgun = "C:\\Users\\Admin\\fvgun.exe /o" fvgun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fvgun = "C:\\Users\\Admin\\fvgun.exe /m" fvgun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fvgun = "C:\\Users\\Admin\\fvgun.exe /n" fvgun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fvgun = "C:\\Users\\Admin\\fvgun.exe /k" fvgun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fvgun = "C:\\Users\\Admin\\fvgun.exe /x" fvgun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fvgun = "C:\\Users\\Admin\\fvgun.exe /r" fvgun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fvgun = "C:\\Users\\Admin\\fvgun.exe /u" fvgun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fvgun = "C:\\Users\\Admin\\fvgun.exe /y" fvgun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fvgun = "C:\\Users\\Admin\\fvgun.exe /h" fvgun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fvgun = "C:\\Users\\Admin\\fvgun.exe /v" fvgun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fvgun = "C:\\Users\\Admin\\fvgun.exe /e" fvgun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fvgun = "C:\\Users\\Admin\\fvgun.exe /p" fvgun.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fvgun = "C:\\Users\\Admin\\fvgun.exe /s" fvgun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fvgun = "C:\\Users\\Admin\\fvgun.exe /i" fvgun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fvgun = "C:\\Users\\Admin\\fvgun.exe /z" fvgun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fvgun = "C:\\Users\\Admin\\fvgun.exe /a" fvgun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fvgun = "C:\\Users\\Admin\\fvgun.exe /q" fvgun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fvgun = "C:\\Users\\Admin\\fvgun.exe /d" fvgun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fvgun = "C:\\Users\\Admin\\fvgun.exe /b" 466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ fvgun.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fvgun = "C:\\Users\\Admin\\fvgun.exe /w" fvgun.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum fvgun.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 fvgun.exe -
Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\Users\Admin\c\autorun.inf fvgun.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4148 set thread context of 3812 4148 466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf.exe 82 PID 1144 set thread context of 924 1144 fvgun.exe 89 -
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 3812 466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf.exe 3812 466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe 924 fvgun.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 4148 466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf.exe 3812 466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf.exe 1144 fvgun.exe 924 fvgun.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 4148 wrote to memory of 3812 4148 466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf.exe 82 PID 4148 wrote to memory of 3812 4148 466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf.exe 82 PID 4148 wrote to memory of 3812 4148 466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf.exe 82 PID 4148 wrote to memory of 3812 4148 466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf.exe 82 PID 4148 wrote to memory of 3812 4148 466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf.exe 82 PID 4148 wrote to memory of 3812 4148 466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf.exe 82 PID 4148 wrote to memory of 3812 4148 466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf.exe 82 PID 4148 wrote to memory of 3812 4148 466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf.exe 82 PID 4148 wrote to memory of 3812 4148 466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf.exe 82 PID 3812 wrote to memory of 1144 3812 466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf.exe 87 PID 3812 wrote to memory of 1144 3812 466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf.exe 87 PID 3812 wrote to memory of 1144 3812 466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf.exe 87 PID 1144 wrote to memory of 924 1144 fvgun.exe 89 PID 1144 wrote to memory of 924 1144 fvgun.exe 89 PID 1144 wrote to memory of 924 1144 fvgun.exe 89 PID 1144 wrote to memory of 924 1144 fvgun.exe 89 PID 1144 wrote to memory of 924 1144 fvgun.exe 89 PID 1144 wrote to memory of 924 1144 fvgun.exe 89 PID 1144 wrote to memory of 924 1144 fvgun.exe 89 PID 1144 wrote to memory of 924 1144 fvgun.exe 89 PID 1144 wrote to memory of 924 1144 fvgun.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf.exe"C:\Users\Admin\AppData\Local\Temp\466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4148 -
C:\Users\Admin\AppData\Local\Temp\466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf.exe742⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3812 -
C:\Users\Admin\fvgun.exe"C:\Users\Admin\fvgun.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1144 -
C:\Users\Admin\fvgun.exe744⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:924
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
159KB
MD56644f555772fe8ad12e077b9af898ef0
SHA12bb7102672e370d85626662743fcee0142261a95
SHA256466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf
SHA512c617ee576c194b1d19ead7a62f9e23fb81186147ccaf127a2f87f12520a901b8a444943f602fdfb56766fe09c957b33dd7e7e944339aa53ef2550765ca0f258b
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Filesize
159KB
MD56644f555772fe8ad12e077b9af898ef0
SHA12bb7102672e370d85626662743fcee0142261a95
SHA256466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf
SHA512c617ee576c194b1d19ead7a62f9e23fb81186147ccaf127a2f87f12520a901b8a444943f602fdfb56766fe09c957b33dd7e7e944339aa53ef2550765ca0f258b
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Filesize
159KB
MD56644f555772fe8ad12e077b9af898ef0
SHA12bb7102672e370d85626662743fcee0142261a95
SHA256466430e4d30f6b6826f47b74d0d14e2b78e9b5c7ec69c597925ce74224a006cf
SHA512c617ee576c194b1d19ead7a62f9e23fb81186147ccaf127a2f87f12520a901b8a444943f602fdfb56766fe09c957b33dd7e7e944339aa53ef2550765ca0f258b