Analysis
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max time kernel
175s -
max time network
185s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
11/10/2022, 14:07
Static task
static1
Behavioral task
behavioral1
Sample
43ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06.exe
Resource
win7-20220812-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
43ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
43ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06.exe
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Size
119KB
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MD5
13d86a2b46d4f349963b7c24a7a65780
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SHA1
5d2193a44bfb4a5625b6413f908f8de275aa11a6
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SHA256
43ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06
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SHA512
7d304deedb5bf913180df57f6c9379346b039a7a5c27f4101b25fdcb5c1e9f25e1e012e120d63178d92ecedec10ab7ebe1cdf011ffe32a2b6d452d800c2d00d9
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SSDEEP
3072:frnxO11q9VAPlP182RQYzsRINqJHy07Zjk5T7U:E1g0dP1DRQYzsRm8y0tjk5To
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" leavao.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 43ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06.exe -
Executes dropped EXE 2 IoCs
pid Process 760 leavao.exe 1432 leavao.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 43ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leavao = "C:\\Users\\Admin\\leavao.exe /x" leavao.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leavao = "C:\\Users\\Admin\\leavao.exe /v" leavao.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leavao = "C:\\Users\\Admin\\leavao.exe /b" leavao.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leavao = "C:\\Users\\Admin\\leavao.exe /s" leavao.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leavao = "C:\\Users\\Admin\\leavao.exe /y" leavao.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leavao = "C:\\Users\\Admin\\leavao.exe /t" leavao.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leavao = "C:\\Users\\Admin\\leavao.exe /o" leavao.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leavao = "C:\\Users\\Admin\\leavao.exe /m" leavao.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leavao = "C:\\Users\\Admin\\leavao.exe /g" leavao.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 43ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leavao = "C:\\Users\\Admin\\leavao.exe /b" 43ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leavao = "C:\\Users\\Admin\\leavao.exe /n" leavao.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leavao = "C:\\Users\\Admin\\leavao.exe /k" leavao.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leavao = "C:\\Users\\Admin\\leavao.exe /e" leavao.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ leavao.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leavao = "C:\\Users\\Admin\\leavao.exe /h" leavao.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leavao = "C:\\Users\\Admin\\leavao.exe /z" leavao.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leavao = "C:\\Users\\Admin\\leavao.exe /f" leavao.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leavao = "C:\\Users\\Admin\\leavao.exe /i" leavao.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leavao = "C:\\Users\\Admin\\leavao.exe /c" leavao.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leavao = "C:\\Users\\Admin\\leavao.exe /u" leavao.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leavao = "C:\\Users\\Admin\\leavao.exe /j" leavao.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leavao = "C:\\Users\\Admin\\leavao.exe /l" leavao.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leavao = "C:\\Users\\Admin\\leavao.exe /p" leavao.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leavao = "C:\\Users\\Admin\\leavao.exe /w" leavao.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leavao = "C:\\Users\\Admin\\leavao.exe /d" leavao.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leavao = "C:\\Users\\Admin\\leavao.exe /r" leavao.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leavao = "C:\\Users\\Admin\\leavao.exe /a" leavao.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leavao = "C:\\Users\\Admin\\leavao.exe /q" leavao.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 43ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum leavao.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 leavao.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 43ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06.exe -
Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\Users\Admin\c\autorun.inf leavao.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4832 set thread context of 4332 4832 43ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06.exe 83 PID 760 set thread context of 1432 760 leavao.exe 85 -
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 4332 43ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06.exe 4332 43ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe 1432 leavao.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 4832 43ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06.exe 4332 43ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06.exe 760 leavao.exe 1432 leavao.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 4832 wrote to memory of 4332 4832 43ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06.exe 83 PID 4832 wrote to memory of 4332 4832 43ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06.exe 83 PID 4832 wrote to memory of 4332 4832 43ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06.exe 83 PID 4832 wrote to memory of 4332 4832 43ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06.exe 83 PID 4832 wrote to memory of 4332 4832 43ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06.exe 83 PID 4832 wrote to memory of 4332 4832 43ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06.exe 83 PID 4832 wrote to memory of 4332 4832 43ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06.exe 83 PID 4832 wrote to memory of 4332 4832 43ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06.exe 83 PID 4832 wrote to memory of 4332 4832 43ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06.exe 83 PID 4332 wrote to memory of 760 4332 43ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06.exe 84 PID 4332 wrote to memory of 760 4332 43ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06.exe 84 PID 4332 wrote to memory of 760 4332 43ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06.exe 84 PID 760 wrote to memory of 1432 760 leavao.exe 85 PID 760 wrote to memory of 1432 760 leavao.exe 85 PID 760 wrote to memory of 1432 760 leavao.exe 85 PID 760 wrote to memory of 1432 760 leavao.exe 85 PID 760 wrote to memory of 1432 760 leavao.exe 85 PID 760 wrote to memory of 1432 760 leavao.exe 85 PID 760 wrote to memory of 1432 760 leavao.exe 85 PID 760 wrote to memory of 1432 760 leavao.exe 85 PID 760 wrote to memory of 1432 760 leavao.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\43ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06.exe"C:\Users\Admin\AppData\Local\Temp\43ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4832 -
C:\Users\Admin\AppData\Local\Temp\43ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06.exe712⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4332 -
C:\Users\Admin\leavao.exe"C:\Users\Admin\leavao.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:760 -
C:\Users\Admin\leavao.exe714⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1432
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
119KB
MD513d86a2b46d4f349963b7c24a7a65780
SHA15d2193a44bfb4a5625b6413f908f8de275aa11a6
SHA25643ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06
SHA5127d304deedb5bf913180df57f6c9379346b039a7a5c27f4101b25fdcb5c1e9f25e1e012e120d63178d92ecedec10ab7ebe1cdf011ffe32a2b6d452d800c2d00d9
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Filesize
119KB
MD513d86a2b46d4f349963b7c24a7a65780
SHA15d2193a44bfb4a5625b6413f908f8de275aa11a6
SHA25643ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06
SHA5127d304deedb5bf913180df57f6c9379346b039a7a5c27f4101b25fdcb5c1e9f25e1e012e120d63178d92ecedec10ab7ebe1cdf011ffe32a2b6d452d800c2d00d9
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Filesize
119KB
MD513d86a2b46d4f349963b7c24a7a65780
SHA15d2193a44bfb4a5625b6413f908f8de275aa11a6
SHA25643ecdb84f474590927a3b329f3d6e44796c6b51fe4585dcfda1a45611a9fce06
SHA5127d304deedb5bf913180df57f6c9379346b039a7a5c27f4101b25fdcb5c1e9f25e1e012e120d63178d92ecedec10ab7ebe1cdf011ffe32a2b6d452d800c2d00d9