Analysis
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max time kernel
154s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
20-10-2022 15:57
Static task
static1
Behavioral task
behavioral1
Sample
b3760b18ee2cf78a4f1ac781bc18a6b0581b75e5610b3165637d4c3e67dcd80e.exe
Resource
win7-20220812-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
b3760b18ee2cf78a4f1ac781bc18a6b0581b75e5610b3165637d4c3e67dcd80e.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
b3760b18ee2cf78a4f1ac781bc18a6b0581b75e5610b3165637d4c3e67dcd80e.exe
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Size
176KB
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MD5
422994293cf16e314000e20b1e386d6d
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SHA1
5f8ad51c84ea1f2329cba7b05b2f573f6f1b59ff
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SHA256
b3760b18ee2cf78a4f1ac781bc18a6b0581b75e5610b3165637d4c3e67dcd80e
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SHA512
a80832c57042ede9f1bac8bef659204089ac732990f4d580d9becfb48b843cf0278e7969e1b9b5371400ca7f7af64047a0a8bfe0668fa65c6f617f3c24a21f04
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SSDEEP
3072:T8UDDqu3mQj0LcNTLsRASWukki7+f4aqosA:T8pQj0SARi7+f4aqosA
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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" b3760b18ee2cf78a4f1ac781bc18a6b0581b75e5610b3165637d4c3e67dcd80e.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" wuoabol.exe -
Executes dropped EXE 1 IoCs
pid Process 4180 wuoabol.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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation b3760b18ee2cf78a4f1ac781bc18a6b0581b75e5610b3165637d4c3e67dcd80e.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoabol = "C:\\Users\\Admin\\wuoabol.exe /x" wuoabol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoabol = "C:\\Users\\Admin\\wuoabol.exe /p" wuoabol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoabol = "C:\\Users\\Admin\\wuoabol.exe /e" wuoabol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoabol = "C:\\Users\\Admin\\wuoabol.exe /o" wuoabol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoabol = "C:\\Users\\Admin\\wuoabol.exe /j" wuoabol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoabol = "C:\\Users\\Admin\\wuoabol.exe /d" wuoabol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoabol = "C:\\Users\\Admin\\wuoabol.exe /r" wuoabol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoabol = "C:\\Users\\Admin\\wuoabol.exe /f" wuoabol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoabol = "C:\\Users\\Admin\\wuoabol.exe /a" wuoabol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoabol = "C:\\Users\\Admin\\wuoabol.exe /b" wuoabol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoabol = "C:\\Users\\Admin\\wuoabol.exe /i" wuoabol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoabol = "C:\\Users\\Admin\\wuoabol.exe /m" wuoabol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoabol = "C:\\Users\\Admin\\wuoabol.exe /h" wuoabol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoabol = "C:\\Users\\Admin\\wuoabol.exe /t" wuoabol.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ b3760b18ee2cf78a4f1ac781bc18a6b0581b75e5610b3165637d4c3e67dcd80e.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoabol = "C:\\Users\\Admin\\wuoabol.exe /c" wuoabol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoabol = "C:\\Users\\Admin\\wuoabol.exe /w" wuoabol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoabol = "C:\\Users\\Admin\\wuoabol.exe /v" wuoabol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoabol = "C:\\Users\\Admin\\wuoabol.exe /k" wuoabol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoabol = "C:\\Users\\Admin\\wuoabol.exe /q" wuoabol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoabol = "C:\\Users\\Admin\\wuoabol.exe /i" b3760b18ee2cf78a4f1ac781bc18a6b0581b75e5610b3165637d4c3e67dcd80e.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoabol = "C:\\Users\\Admin\\wuoabol.exe /y" wuoabol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoabol = "C:\\Users\\Admin\\wuoabol.exe /u" wuoabol.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ wuoabol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoabol = "C:\\Users\\Admin\\wuoabol.exe /z" wuoabol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoabol = "C:\\Users\\Admin\\wuoabol.exe /g" wuoabol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoabol = "C:\\Users\\Admin\\wuoabol.exe /l" wuoabol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoabol = "C:\\Users\\Admin\\wuoabol.exe /n" wuoabol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuoabol = "C:\\Users\\Admin\\wuoabol.exe /s" wuoabol.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
pid pid_target Process procid_target 4872 5080 WerFault.exe 79 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5080 b3760b18ee2cf78a4f1ac781bc18a6b0581b75e5610b3165637d4c3e67dcd80e.exe 5080 b3760b18ee2cf78a4f1ac781bc18a6b0581b75e5610b3165637d4c3e67dcd80e.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe 4180 wuoabol.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5080 b3760b18ee2cf78a4f1ac781bc18a6b0581b75e5610b3165637d4c3e67dcd80e.exe 4180 wuoabol.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5080 wrote to memory of 4180 5080 b3760b18ee2cf78a4f1ac781bc18a6b0581b75e5610b3165637d4c3e67dcd80e.exe 85 PID 5080 wrote to memory of 4180 5080 b3760b18ee2cf78a4f1ac781bc18a6b0581b75e5610b3165637d4c3e67dcd80e.exe 85 PID 5080 wrote to memory of 4180 5080 b3760b18ee2cf78a4f1ac781bc18a6b0581b75e5610b3165637d4c3e67dcd80e.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\b3760b18ee2cf78a4f1ac781bc18a6b0581b75e5610b3165637d4c3e67dcd80e.exe"C:\Users\Admin\AppData\Local\Temp\b3760b18ee2cf78a4f1ac781bc18a6b0581b75e5610b3165637d4c3e67dcd80e.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:5080 -
C:\Users\Admin\wuoabol.exe"C:\Users\Admin\wuoabol.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:4180
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5080 -s 11722⤵
- Program crash
PID:4872
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 5080 -ip 50801⤵PID:4344
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
176KB
MD5f517b1e4107fabdd0259723948210e8f
SHA1254fe3e2aea7b3d0941e53d7692d1bb071c65b87
SHA2563b181b6d94b60c89c637638398437689883da3bfcd0e7921da2276b730062ef6
SHA5124eaba08c3099c93ebfe27f5559535435e7aa3ee0bab3033d79b9a247c7319513b519a9fe47164122bfbb4f27d02b424fcc72746542eb9d8b110baf8c774cc844
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Filesize
176KB
MD5f517b1e4107fabdd0259723948210e8f
SHA1254fe3e2aea7b3d0941e53d7692d1bb071c65b87
SHA2563b181b6d94b60c89c637638398437689883da3bfcd0e7921da2276b730062ef6
SHA5124eaba08c3099c93ebfe27f5559535435e7aa3ee0bab3033d79b9a247c7319513b519a9fe47164122bfbb4f27d02b424fcc72746542eb9d8b110baf8c774cc844