Analysis
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max time kernel
190s -
max time network
237s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
01-12-2022 22:34
Static task
static1
Behavioral task
behavioral1
Sample
d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.exe
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Size
80KB
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MD5
c13a226d71f4850a86798b7bc6ec1873
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SHA1
8b8c607e9632f43b75d8a5c0b749aa5c9b08a556
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SHA256
d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f
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SHA512
d5b6b6243e87da19e4e8bebd6220f4d08368bdc2957036ba345600da8867024e1ea6eb9af9eb0126d0f64ebced3ba20f11b2e9cb104c44d6abe814ee95cc3154
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SSDEEP
1536:XIdqG6g7LWnICOqubrzocTzFJ0T72VpGT:e6dIVqgBTzFJ0T72aT
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-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" luaruf.exe -
Executes dropped EXE 1 IoCs
pid Process 4560 luaruf.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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\luaruf = "C:\\Users\\Admin\\luaruf.exe /d" luaruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\luaruf = "C:\\Users\\Admin\\luaruf.exe /t" luaruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\luaruf = "C:\\Users\\Admin\\luaruf.exe /l" luaruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\luaruf = "C:\\Users\\Admin\\luaruf.exe /j" luaruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\luaruf = "C:\\Users\\Admin\\luaruf.exe /a" luaruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\luaruf = "C:\\Users\\Admin\\luaruf.exe /h" luaruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\luaruf = "C:\\Users\\Admin\\luaruf.exe /w" luaruf.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\ luaruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\luaruf = "C:\\Users\\Admin\\luaruf.exe /i" luaruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\luaruf = "C:\\Users\\Admin\\luaruf.exe /v" luaruf.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\ d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\luaruf = "C:\\Users\\Admin\\luaruf.exe /c" luaruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\luaruf = "C:\\Users\\Admin\\luaruf.exe /k" luaruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\luaruf = "C:\\Users\\Admin\\luaruf.exe /m" luaruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\luaruf = "C:\\Users\\Admin\\luaruf.exe /o" luaruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\luaruf = "C:\\Users\\Admin\\luaruf.exe /g" luaruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\luaruf = "C:\\Users\\Admin\\luaruf.exe /q" luaruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\luaruf = "C:\\Users\\Admin\\luaruf.exe /s" luaruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\luaruf = "C:\\Users\\Admin\\luaruf.exe /x" luaruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\luaruf = "C:\\Users\\Admin\\luaruf.exe /f" luaruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\luaruf = "C:\\Users\\Admin\\luaruf.exe /b" luaruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\luaruf = "C:\\Users\\Admin\\luaruf.exe /u" luaruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\luaruf = "C:\\Users\\Admin\\luaruf.exe /n" luaruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\luaruf = "C:\\Users\\Admin\\luaruf.exe /r" luaruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\luaruf = "C:\\Users\\Admin\\luaruf.exe /z" luaruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\luaruf = "C:\\Users\\Admin\\luaruf.exe /r" d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\luaruf = "C:\\Users\\Admin\\luaruf.exe /y" luaruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\luaruf = "C:\\Users\\Admin\\luaruf.exe /e" luaruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\luaruf = "C:\\Users\\Admin\\luaruf.exe /p" luaruf.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 4716 d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.exe 4716 d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe 4560 luaruf.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4716 d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.exe 4560 luaruf.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4716 wrote to memory of 4560 4716 d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.exe 81 PID 4716 wrote to memory of 4560 4716 d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.exe 81 PID 4716 wrote to memory of 4560 4716 d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.exe"C:\Users\Admin\AppData\Local\Temp\d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.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:4716 -
C:\Users\Admin\luaruf.exe"C:\Users\Admin\luaruf.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:4560
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
80KB
MD5c70512b647778e1833fa77c4a1d4df13
SHA1460d27637dfc2804294651a681f157b5aaf8d62c
SHA2566612ba3712b967e075de3fc3017f871bc917dafdc8b387020191443391cad235
SHA51289aab0e52ea5ca084e44711aaf0c36e9cc362837293f78262126fac42961298a0c8d87e97dea5de5ec06679435ebfc0721e9792d79aa2f70cc565118852f38da
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Filesize
80KB
MD5c70512b647778e1833fa77c4a1d4df13
SHA1460d27637dfc2804294651a681f157b5aaf8d62c
SHA2566612ba3712b967e075de3fc3017f871bc917dafdc8b387020191443391cad235
SHA51289aab0e52ea5ca084e44711aaf0c36e9cc362837293f78262126fac42961298a0c8d87e97dea5de5ec06679435ebfc0721e9792d79aa2f70cc565118852f38da