Analysis
-
max time kernel
175s -
max time network
178s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
30/10/2022, 20:02
Static task
static1
Behavioral task
behavioral1
Sample
a6a9aa3284b32434a63f211b697e0fbf0466c6333a083eadd15a402e7d246136.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
a6a9aa3284b32434a63f211b697e0fbf0466c6333a083eadd15a402e7d246136.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
-
Target
a6a9aa3284b32434a63f211b697e0fbf0466c6333a083eadd15a402e7d246136.exe
-
Size
260KB
-
MD5
a17f7a9d33c9ffc2882060a7660ef534
-
SHA1
31e1d431dae838ed23c0180527c77bb81552148f
-
SHA256
a6a9aa3284b32434a63f211b697e0fbf0466c6333a083eadd15a402e7d246136
-
SHA512
06009f2659be4b94ce643abcf154879d9ea7bc358f0b710277497862628f2c8ac59b82371bd1802ee49e4628e62c85a79dcfcd612b7868ec54ee48d89fff983d
-
SSDEEP
6144:Gd1bgTSrMaIl/jcLijfHFEHWzXvjT85R:G3UTSrMaIqLlI/H85R
Score
10/10
Malware Config
Signatures
-
Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 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" caevio.exe -
Executes dropped EXE 1 IoCs
pid Process 836 caevio.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 a6a9aa3284b32434a63f211b697e0fbf0466c6333a083eadd15a402e7d246136.exe -
Adds Run key to start application 2 TTPs 53 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /c" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /o" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /H" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /z" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /l" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /L" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /d" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /E" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /r" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /u" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /I" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /M" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /J" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /Y" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /b" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /m" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /T" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /s" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /h" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /P" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /S" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /e" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /R" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /Q" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /j" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /y" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /F" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /W" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /X" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /i" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /w" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /x" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /C" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /v" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /O" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /U" caevio.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /p" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /V" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /t" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /A" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /g" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /f" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /n" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /q" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /B" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /G" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /D" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /K" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /Z" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /k" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /a" caevio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caevio = "C:\\Users\\Admin\\caevio.exe /N" caevio.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe 836 caevio.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2500 a6a9aa3284b32434a63f211b697e0fbf0466c6333a083eadd15a402e7d246136.exe 836 caevio.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2500 wrote to memory of 836 2500 a6a9aa3284b32434a63f211b697e0fbf0466c6333a083eadd15a402e7d246136.exe 83 PID 2500 wrote to memory of 836 2500 a6a9aa3284b32434a63f211b697e0fbf0466c6333a083eadd15a402e7d246136.exe 83 PID 2500 wrote to memory of 836 2500 a6a9aa3284b32434a63f211b697e0fbf0466c6333a083eadd15a402e7d246136.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\a6a9aa3284b32434a63f211b697e0fbf0466c6333a083eadd15a402e7d246136.exe"C:\Users\Admin\AppData\Local\Temp\a6a9aa3284b32434a63f211b697e0fbf0466c6333a083eadd15a402e7d246136.exe"1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2500 -
C:\Users\Admin\caevio.exe"C:\Users\Admin\caevio.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:836
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
260KB
MD5440ac5fa415c2d89d37ce18ec56acbcd
SHA12bda9755570bb5ac4257d9e27daba73dc4268a48
SHA25674ac73b6fc02d1099891239ad4b4697267d35136cbbdfa90f5475263563b9b3f
SHA5129695ea9f97904f40f32d3f60b8bf77a3f9523f6d527fb24f9224258915bbee8763411cab7ab9191ba31bf3b71f2f27fdc9b711d3eb28e38dd0945a3b57139e7c
-
Filesize
260KB
MD5440ac5fa415c2d89d37ce18ec56acbcd
SHA12bda9755570bb5ac4257d9e27daba73dc4268a48
SHA25674ac73b6fc02d1099891239ad4b4697267d35136cbbdfa90f5475263563b9b3f
SHA5129695ea9f97904f40f32d3f60b8bf77a3f9523f6d527fb24f9224258915bbee8763411cab7ab9191ba31bf3b71f2f27fdc9b711d3eb28e38dd0945a3b57139e7c