Analysis
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max time kernel
188s -
max time network
198s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
05-12-2022 22:13
Static task
static1
Behavioral task
behavioral1
Sample
6774d2ef46f7f3a0cf92828b23afef0c593e40a3059f75c2ba746883aaee40e6.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
6774d2ef46f7f3a0cf92828b23afef0c593e40a3059f75c2ba746883aaee40e6.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
6774d2ef46f7f3a0cf92828b23afef0c593e40a3059f75c2ba746883aaee40e6.exe
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Size
124KB
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MD5
d0cbad5f670e5203c16e63db8e5a633b
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SHA1
26e105c6a162e6ec8961adf33657ec967a85f390
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SHA256
6774d2ef46f7f3a0cf92828b23afef0c593e40a3059f75c2ba746883aaee40e6
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SHA512
76f5b8f85e372ded27e03bf5e0a0ba08c58574e5e8534594a251dbeddf80a0cb7609f50abfb6ace021f9bc9f80f71cc831cd51ea53c1eec8058bd2898241f796
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SSDEEP
1536:NdJzO5Y5bphRF/N69Be3O4Ga+FE1jKKvRgrkOSo7NeG0h/x:bx8YJph3FoI3O41+F0kSLp
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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 6774d2ef46f7f3a0cf92828b23afef0c593e40a3059f75c2ba746883aaee40e6.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" taual.exe -
Executes dropped EXE 1 IoCs
pid Process 4340 taual.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation 6774d2ef46f7f3a0cf92828b23afef0c593e40a3059f75c2ba746883aaee40e6.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /t" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /B" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /o" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /H" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /q" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /D" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /V" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /X" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /s" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /N" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /I" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /W" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /v" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /w" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /J" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /F" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /k" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /l" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /P" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /u" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /T" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /C" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /O" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /n" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /U" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /G" taual.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 6774d2ef46f7f3a0cf92828b23afef0c593e40a3059f75c2ba746883aaee40e6.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /Y" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /K" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /Q" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /f" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /g" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /d" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /e" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /i" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /j" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /Z" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /y" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /c" taual.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /R" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /x" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /r" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /z" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /b" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /A" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /h" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /e" 6774d2ef46f7f3a0cf92828b23afef0c593e40a3059f75c2ba746883aaee40e6.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /E" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /m" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /a" taual.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taual = "C:\\Users\\Admin\\taual.exe /S" taual.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 4864 6774d2ef46f7f3a0cf92828b23afef0c593e40a3059f75c2ba746883aaee40e6.exe 4864 6774d2ef46f7f3a0cf92828b23afef0c593e40a3059f75c2ba746883aaee40e6.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe 4340 taual.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4864 6774d2ef46f7f3a0cf92828b23afef0c593e40a3059f75c2ba746883aaee40e6.exe 4340 taual.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4864 wrote to memory of 4340 4864 6774d2ef46f7f3a0cf92828b23afef0c593e40a3059f75c2ba746883aaee40e6.exe 80 PID 4864 wrote to memory of 4340 4864 6774d2ef46f7f3a0cf92828b23afef0c593e40a3059f75c2ba746883aaee40e6.exe 80 PID 4864 wrote to memory of 4340 4864 6774d2ef46f7f3a0cf92828b23afef0c593e40a3059f75c2ba746883aaee40e6.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\6774d2ef46f7f3a0cf92828b23afef0c593e40a3059f75c2ba746883aaee40e6.exe"C:\Users\Admin\AppData\Local\Temp\6774d2ef46f7f3a0cf92828b23afef0c593e40a3059f75c2ba746883aaee40e6.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:4864 -
C:\Users\Admin\taual.exe"C:\Users\Admin\taual.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:4340
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
124KB
MD55dc3fcee1a1c492251e4939c706db258
SHA182df9b4009e468e85cf20adc779bf13c0765ddca
SHA256df7e3ad02df69e08b016b344a95978764d017ba80cc3a7599f80019b2934747c
SHA5122e378712aa7faf14b1ca0ce0617a4dbadbcc7bdee4904152365e0b0f6f2ac3231304cb409d841bd0461665ccc62b472747e03a82271fb8c7d09ad409fd5ee620
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Filesize
124KB
MD55dc3fcee1a1c492251e4939c706db258
SHA182df9b4009e468e85cf20adc779bf13c0765ddca
SHA256df7e3ad02df69e08b016b344a95978764d017ba80cc3a7599f80019b2934747c
SHA5122e378712aa7faf14b1ca0ce0617a4dbadbcc7bdee4904152365e0b0f6f2ac3231304cb409d841bd0461665ccc62b472747e03a82271fb8c7d09ad409fd5ee620