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Analysis
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max time kernel
151s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
29/11/2022, 17:11
Static task
static1
Behavioral task
behavioral1
Sample
b9ce8503fc41a11bf3da60d6de3b63a1c79a1309156aa8aa16673a100ae58ffb.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
b9ce8503fc41a11bf3da60d6de3b63a1c79a1309156aa8aa16673a100ae58ffb.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
b9ce8503fc41a11bf3da60d6de3b63a1c79a1309156aa8aa16673a100ae58ffb.exe
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Size
204KB
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MD5
17eb8f9b0687ca1c1a3f71024e071a99
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SHA1
43ec9d158b838bfc24c6ab6b0f956e40d5572130
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SHA256
b9ce8503fc41a11bf3da60d6de3b63a1c79a1309156aa8aa16673a100ae58ffb
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SHA512
d16f2dc6690b258b29baabe08d6ea34368ab37c28ca9982acc0fd26ab8b1da099de7b94c4746a5d8a5aa5d10e01382691f845f1690a6dcb3d1c3af103954ff45
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SSDEEP
1536:F6+OofHo1vzxHwxhZxNy3tQ9CW5EZWHakMwP9W6uXNh9h1AWa11GBPIdRONd+w67:rHo160tQ9nLHbB9WTk9+Jgqmlt5V
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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" b9ce8503fc41a11bf3da60d6de3b63a1c79a1309156aa8aa16673a100ae58ffb.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" mouavo.exe -
Executes dropped EXE 1 IoCs
pid Process 1456 mouavo.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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation b9ce8503fc41a11bf3da60d6de3b63a1c79a1309156aa8aa16673a100ae58ffb.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mouavo = "C:\\Users\\Admin\\mouavo.exe /l" mouavo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mouavo = "C:\\Users\\Admin\\mouavo.exe /z" mouavo.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ b9ce8503fc41a11bf3da60d6de3b63a1c79a1309156aa8aa16673a100ae58ffb.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mouavo = "C:\\Users\\Admin\\mouavo.exe /r" mouavo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mouavo = "C:\\Users\\Admin\\mouavo.exe /t" mouavo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mouavo = "C:\\Users\\Admin\\mouavo.exe /b" mouavo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mouavo = "C:\\Users\\Admin\\mouavo.exe /c" mouavo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mouavo = "C:\\Users\\Admin\\mouavo.exe /y" mouavo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mouavo = "C:\\Users\\Admin\\mouavo.exe /n" mouavo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mouavo = "C:\\Users\\Admin\\mouavo.exe /a" mouavo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mouavo = "C:\\Users\\Admin\\mouavo.exe /g" mouavo.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ mouavo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mouavo = "C:\\Users\\Admin\\mouavo.exe /e" mouavo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mouavo = "C:\\Users\\Admin\\mouavo.exe /q" mouavo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mouavo = "C:\\Users\\Admin\\mouavo.exe /w" mouavo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mouavo = "C:\\Users\\Admin\\mouavo.exe /z" b9ce8503fc41a11bf3da60d6de3b63a1c79a1309156aa8aa16673a100ae58ffb.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mouavo = "C:\\Users\\Admin\\mouavo.exe /p" mouavo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mouavo = "C:\\Users\\Admin\\mouavo.exe /d" mouavo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mouavo = "C:\\Users\\Admin\\mouavo.exe /f" mouavo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mouavo = "C:\\Users\\Admin\\mouavo.exe /j" mouavo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mouavo = "C:\\Users\\Admin\\mouavo.exe /u" mouavo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mouavo = "C:\\Users\\Admin\\mouavo.exe /k" mouavo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mouavo = "C:\\Users\\Admin\\mouavo.exe /h" mouavo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mouavo = "C:\\Users\\Admin\\mouavo.exe /v" mouavo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mouavo = "C:\\Users\\Admin\\mouavo.exe /m" mouavo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mouavo = "C:\\Users\\Admin\\mouavo.exe /s" mouavo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mouavo = "C:\\Users\\Admin\\mouavo.exe /o" mouavo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mouavo = "C:\\Users\\Admin\\mouavo.exe /i" mouavo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mouavo = "C:\\Users\\Admin\\mouavo.exe /x" mouavo.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 2808 b9ce8503fc41a11bf3da60d6de3b63a1c79a1309156aa8aa16673a100ae58ffb.exe 2808 b9ce8503fc41a11bf3da60d6de3b63a1c79a1309156aa8aa16673a100ae58ffb.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe 1456 mouavo.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2808 b9ce8503fc41a11bf3da60d6de3b63a1c79a1309156aa8aa16673a100ae58ffb.exe 1456 mouavo.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2808 wrote to memory of 1456 2808 b9ce8503fc41a11bf3da60d6de3b63a1c79a1309156aa8aa16673a100ae58ffb.exe 82 PID 2808 wrote to memory of 1456 2808 b9ce8503fc41a11bf3da60d6de3b63a1c79a1309156aa8aa16673a100ae58ffb.exe 82 PID 2808 wrote to memory of 1456 2808 b9ce8503fc41a11bf3da60d6de3b63a1c79a1309156aa8aa16673a100ae58ffb.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\b9ce8503fc41a11bf3da60d6de3b63a1c79a1309156aa8aa16673a100ae58ffb.exe"C:\Users\Admin\AppData\Local\Temp\b9ce8503fc41a11bf3da60d6de3b63a1c79a1309156aa8aa16673a100ae58ffb.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:2808 -
C:\Users\Admin\mouavo.exe"C:\Users\Admin\mouavo.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:1456
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
204KB
MD50c1e706e041816606b54eff10b4f177b
SHA1a2a6fde3049f92c58627bb3f0e2ac44662823e0e
SHA2563a8e9518a2acacce562aed8807e9aafac7738a90fe3fa667ef2571e9f7a5e9ea
SHA5129185cac516deaa05707ceba2de5bc626b5c3bfd6b045666bb57968e2da3a38fbfe25878f8ceede0fed3ace017464bded8ff50af3cd8ac68724dcedbca886f31a
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Filesize
204KB
MD50c1e706e041816606b54eff10b4f177b
SHA1a2a6fde3049f92c58627bb3f0e2ac44662823e0e
SHA2563a8e9518a2acacce562aed8807e9aafac7738a90fe3fa667ef2571e9f7a5e9ea
SHA5129185cac516deaa05707ceba2de5bc626b5c3bfd6b045666bb57968e2da3a38fbfe25878f8ceede0fed3ace017464bded8ff50af3cd8ac68724dcedbca886f31a