Analysis
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max time kernel
153s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
30-10-2022 00:20
Static task
static1
Behavioral task
behavioral1
Sample
7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4.exe
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Size
288KB
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MD5
a33dc2419bf20f4a420c7ad3ffe24c70
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SHA1
bbdd774c80bbf26754653ff82da09055421e1151
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SHA256
7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4
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SHA512
51bd4067a297f700100ffc68c7ef0e824deaada3255f2375f6c05d6f37f296c1029ce8b76d3d56934b90ec5b821155fb02644101941ce302d397d03b5830a978
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SSDEEP
3072:AU0n63hQdiOOZAksTCPkix7Fe7dEN8EXgNqf5cTrWi6ei2uiTbtTmH8Fe90p06tU:70dimbYJFsE0NMCP6wJYj8t/x6
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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" viofaa.exe -
Executes dropped EXE 1 IoCs
pid Process 1692 viofaa.exe -
Loads dropped DLL 2 IoCs
pid Process 1812 7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4.exe 1812 7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4.exe -
Adds Run key to start application 2 TTPs 53 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /t" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /k" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /a" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /I" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /A" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /f" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /z" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /W" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /Z" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /P" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /j" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /u" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /x" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /U" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /G" 7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /E" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /H" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /o" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /d" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /O" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /i" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /J" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /L" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /Q" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /h" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /l" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /m" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /y" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /F" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /D" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /n" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /r" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /q" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /b" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /R" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /w" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /g" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /S" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /V" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /e" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /Y" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /C" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /X" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /s" viofaa.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /G" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /T" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /K" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /p" viofaa.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /B" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /v" viofaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\viofaa = "C:\\Users\\Admin\\viofaa.exe /N" viofaa.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 1812 7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe 1692 viofaa.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1812 7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4.exe 1692 viofaa.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1812 wrote to memory of 1692 1812 7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4.exe 28 PID 1812 wrote to memory of 1692 1812 7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4.exe 28 PID 1812 wrote to memory of 1692 1812 7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4.exe 28 PID 1812 wrote to memory of 1692 1812 7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4.exe"C:\Users\Admin\AppData\Local\Temp\7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1812 -
C:\Users\Admin\viofaa.exe"C:\Users\Admin\viofaa.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:1692
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
288KB
MD568a46504f6b57c98173e84e53d5c0137
SHA1d508529d50b4a67c0acd955239ed1291b32ffa0f
SHA256e8c1ce33fe8aa919b264da5dca68ea15e6e519fdff472179acb297538a7bb337
SHA512b642b6fd04573ff58f3a97f860015a0ab03b728d242cbdd6d7eca0c46c8d93360ad23055fb782b3a46461597782cf8ae2100e8bdd915db843a32ecafd3b1c80d
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Filesize
288KB
MD568a46504f6b57c98173e84e53d5c0137
SHA1d508529d50b4a67c0acd955239ed1291b32ffa0f
SHA256e8c1ce33fe8aa919b264da5dca68ea15e6e519fdff472179acb297538a7bb337
SHA512b642b6fd04573ff58f3a97f860015a0ab03b728d242cbdd6d7eca0c46c8d93360ad23055fb782b3a46461597782cf8ae2100e8bdd915db843a32ecafd3b1c80d
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Filesize
288KB
MD568a46504f6b57c98173e84e53d5c0137
SHA1d508529d50b4a67c0acd955239ed1291b32ffa0f
SHA256e8c1ce33fe8aa919b264da5dca68ea15e6e519fdff472179acb297538a7bb337
SHA512b642b6fd04573ff58f3a97f860015a0ab03b728d242cbdd6d7eca0c46c8d93360ad23055fb782b3a46461597782cf8ae2100e8bdd915db843a32ecafd3b1c80d
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Filesize
288KB
MD568a46504f6b57c98173e84e53d5c0137
SHA1d508529d50b4a67c0acd955239ed1291b32ffa0f
SHA256e8c1ce33fe8aa919b264da5dca68ea15e6e519fdff472179acb297538a7bb337
SHA512b642b6fd04573ff58f3a97f860015a0ab03b728d242cbdd6d7eca0c46c8d93360ad23055fb782b3a46461597782cf8ae2100e8bdd915db843a32ecafd3b1c80d