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Analysis
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max time kernel
151s -
max time network
143s -
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, 22:12
Static task
static1
Behavioral task
behavioral1
Sample
f2a7a9703a21528d2344e988a27b3f3fea1ab9441b0a9d79610967a10f8140c8.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
f2a7a9703a21528d2344e988a27b3f3fea1ab9441b0a9d79610967a10f8140c8.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
f2a7a9703a21528d2344e988a27b3f3fea1ab9441b0a9d79610967a10f8140c8.exe
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Size
212KB
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MD5
47730daf6383efe2e7fb42120d35e419
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SHA1
00b136c08ecd00e2e2d17ae622cda904e0fccc9a
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SHA256
f2a7a9703a21528d2344e988a27b3f3fea1ab9441b0a9d79610967a10f8140c8
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SHA512
46bec11d2b24c2f9844e9160b1516006a9f67c2c9a7629b8312903702f1be3dbfc7627a6d8ca2787a66547080be2c543e873e5bcd31652a4be1cb96544514476
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SSDEEP
6144:4CKlFwzWQyO8J0bqihew3b7KvfCBnn78MDxG6oRKnvmb7/D26NhHmpfXJNRYK:nKlFwb8J0egew3bevfY78MDxG6oRKnvP
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" f2a7a9703a21528d2344e988a27b3f3fea1ab9441b0a9d79610967a10f8140c8.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" weoupuf.exe -
Executes dropped EXE 1 IoCs
pid Process 3892 weoupuf.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 f2a7a9703a21528d2344e988a27b3f3fea1ab9441b0a9d79610967a10f8140c8.exe -
Adds Run key to start application 2 TTPs 55 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /t" f2a7a9703a21528d2344e988a27b3f3fea1ab9441b0a9d79610967a10f8140c8.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /c" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /A" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /e" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /L" weoupuf.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ f2a7a9703a21528d2344e988a27b3f3fea1ab9441b0a9d79610967a10f8140c8.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /D" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /R" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /P" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /S" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /H" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /O" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /Z" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /m" weoupuf.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /k" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /U" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /a" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /t" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /E" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /x" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /B" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /u" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /T" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /q" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /W" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /b" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /N" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /K" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /Y" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /h" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /F" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /C" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /w" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /n" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /z" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /j" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /g" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /y" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /I" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /v" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /V" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /o" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /M" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /G" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /f" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /d" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /X" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /J" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /s" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /p" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /r" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /Q" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /i" weoupuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weoupuf = "C:\\Users\\Admin\\weoupuf.exe /l" weoupuf.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 4712 f2a7a9703a21528d2344e988a27b3f3fea1ab9441b0a9d79610967a10f8140c8.exe 4712 f2a7a9703a21528d2344e988a27b3f3fea1ab9441b0a9d79610967a10f8140c8.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe 3892 weoupuf.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4712 f2a7a9703a21528d2344e988a27b3f3fea1ab9441b0a9d79610967a10f8140c8.exe 3892 weoupuf.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4712 wrote to memory of 3892 4712 f2a7a9703a21528d2344e988a27b3f3fea1ab9441b0a9d79610967a10f8140c8.exe 82 PID 4712 wrote to memory of 3892 4712 f2a7a9703a21528d2344e988a27b3f3fea1ab9441b0a9d79610967a10f8140c8.exe 82 PID 4712 wrote to memory of 3892 4712 f2a7a9703a21528d2344e988a27b3f3fea1ab9441b0a9d79610967a10f8140c8.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\f2a7a9703a21528d2344e988a27b3f3fea1ab9441b0a9d79610967a10f8140c8.exe"C:\Users\Admin\AppData\Local\Temp\f2a7a9703a21528d2344e988a27b3f3fea1ab9441b0a9d79610967a10f8140c8.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:4712 -
C:\Users\Admin\weoupuf.exe"C:\Users\Admin\weoupuf.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:3892
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
212KB
MD57afdebc824f1bf82019b23ec01ad362f
SHA1ef9dd30a2cb6d6eaa52e647df43048b4b7ada13f
SHA2567491105a856b85c51748b26c16248b2640c1c62d2f7a668880ac85628c3caf9d
SHA5129595a7915e346083979c1c554a355152a09cc85b0ddcb1cea0eba5d695b4829d2678427db99a223d4920f6c283cea58975054e4fc54d63b078adf1afb80345e1
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Filesize
212KB
MD57afdebc824f1bf82019b23ec01ad362f
SHA1ef9dd30a2cb6d6eaa52e647df43048b4b7ada13f
SHA2567491105a856b85c51748b26c16248b2640c1c62d2f7a668880ac85628c3caf9d
SHA5129595a7915e346083979c1c554a355152a09cc85b0ddcb1cea0eba5d695b4829d2678427db99a223d4920f6c283cea58975054e4fc54d63b078adf1afb80345e1