Analysis
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max time kernel
150s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
19-09-2022 00:55
Static task
static1
Behavioral task
behavioral1
Sample
3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc.exe
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Size
124KB
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MD5
a3f37683e4cd20fdb3b3a082b76177bc
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SHA1
7b06bbf21a4fcd084f1f44adf8a2964c03a4d86f
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SHA256
3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc
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SHA512
2642a625b77501776900b4c0dbb99b98a95fd65b5ebd0b72a4955917ea500291c5724a184b54572355232131a72191d9f937bce7c65a4fd44d35b8dbdc8757c4
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SSDEEP
1536:GhEphwRzZJXuBxeDtMYHa27J14ltxporZ45icNeG0h9:aEphwRzXkeV6gJ1uCt45O9
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" 3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" taaso.exe -
Executes dropped EXE 1 IoCs
pid Process 2252 taaso.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 3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc.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\taaso = "C:\\Users\\Admin\\taaso.exe /Q" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /S" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /U" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /z" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /c" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /f" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /j" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /N" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /m" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /o" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /R" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /D" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /V" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /g" 3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /h" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /G" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /n" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /B" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /A" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /b" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /r" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /q" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /l" taaso.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /H" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /u" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /t" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /Y" taaso.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /C" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /w" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /T" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /L" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /x" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /a" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /K" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /s" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /O" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /p" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /i" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /g" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /F" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /Z" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /y" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /W" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /I" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /v" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /e" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /X" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /d" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /P" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /E" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /M" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /J" taaso.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taaso = "C:\\Users\\Admin\\taaso.exe /k" taaso.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 3060 3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc.exe 3060 3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe 2252 taaso.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3060 3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc.exe 2252 taaso.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3060 wrote to memory of 2252 3060 3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc.exe 79 PID 3060 wrote to memory of 2252 3060 3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc.exe 79 PID 3060 wrote to memory of 2252 3060 3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc.exe 79
Processes
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C:\Users\Admin\AppData\Local\Temp\3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc.exe"C:\Users\Admin\AppData\Local\Temp\3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc.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:3060 -
C:\Users\Admin\taaso.exe"C:\Users\Admin\taaso.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:2252
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
124KB
MD51284b0734e5a6632690402241fc3d363
SHA13f5ab4d40d402443343a8e37158ae3d10bde36c5
SHA2569489d5fdb56f4e7ba7417f11e8675460bc0ca8110ea483ad15e1f8ec247dafe7
SHA5127538dbfed80fb2ac7b291e299a3c8293d228bc9d30d5acdf5065b0cfb25ddcc5f2b6db15afb068fec0b94768d91c950dba069aa22c6121c3e605cfc0aab1fb8b
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Filesize
124KB
MD51284b0734e5a6632690402241fc3d363
SHA13f5ab4d40d402443343a8e37158ae3d10bde36c5
SHA2569489d5fdb56f4e7ba7417f11e8675460bc0ca8110ea483ad15e1f8ec247dafe7
SHA5127538dbfed80fb2ac7b291e299a3c8293d228bc9d30d5acdf5065b0cfb25ddcc5f2b6db15afb068fec0b94768d91c950dba069aa22c6121c3e605cfc0aab1fb8b