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Analysis
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max time kernel
150s -
max time network
110s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
20/10/2022, 22:30
Static task
static1
Behavioral task
behavioral1
Sample
08f76f7481e1e979675c4ac64981e89e00737877a61760129a9fafe5ece9792d.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
08f76f7481e1e979675c4ac64981e89e00737877a61760129a9fafe5ece9792d.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
08f76f7481e1e979675c4ac64981e89e00737877a61760129a9fafe5ece9792d.exe
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Size
208KB
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MD5
458bf31183ff91aa0ac2f3186ea2e410
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SHA1
9d63d9f0169071832bcccec5bf057f0fac293ca8
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SHA256
08f76f7481e1e979675c4ac64981e89e00737877a61760129a9fafe5ece9792d
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SHA512
b5f462bd2ab933566e0268b44c52110ca7ecbfc6757dc15789ba55695f7fb8610c6127ea94992df2812dac01a30f7be986c8043800cf53aa9173821476123b2c
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SSDEEP
6144:9oysguQmToYfPeffkxsthVIVO+b/RnmbT4PW9UmE7ldESgvSAOurw:9PuQmToYfPeffkxsthVIVO+b/9mbkPW+
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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 08f76f7481e1e979675c4ac64981e89e00737877a61760129a9fafe5ece9792d.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" caoweg.exe -
Executes dropped EXE 1 IoCs
pid Process 4368 caoweg.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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation 08f76f7481e1e979675c4ac64981e89e00737877a61760129a9fafe5ece9792d.exe -
Adds Run key to start application 2 TTPs 55 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /j" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /P" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /z" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /F" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /W" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /x" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /d" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /y" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /q" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /f" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /s" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /l" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /e" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /V" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /O" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /U" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /p" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /Y" caoweg.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /i" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /L" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /N" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /K" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /k" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /b" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /T" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /Z" 08f76f7481e1e979675c4ac64981e89e00737877a61760129a9fafe5ece9792d.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /a" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /o" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /H" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /u" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /C" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /h" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /Z" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /t" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /w" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /G" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /J" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /m" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /D" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /E" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /g" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /I" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /n" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /R" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /M" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /X" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /Q" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /A" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /v" caoweg.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 08f76f7481e1e979675c4ac64981e89e00737877a61760129a9fafe5ece9792d.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /c" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /r" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /S" caoweg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caoweg = "C:\\Users\\Admin\\caoweg.exe /B" caoweg.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 1016 08f76f7481e1e979675c4ac64981e89e00737877a61760129a9fafe5ece9792d.exe 1016 08f76f7481e1e979675c4ac64981e89e00737877a61760129a9fafe5ece9792d.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe 4368 caoweg.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1016 08f76f7481e1e979675c4ac64981e89e00737877a61760129a9fafe5ece9792d.exe 4368 caoweg.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1016 wrote to memory of 4368 1016 08f76f7481e1e979675c4ac64981e89e00737877a61760129a9fafe5ece9792d.exe 83 PID 1016 wrote to memory of 4368 1016 08f76f7481e1e979675c4ac64981e89e00737877a61760129a9fafe5ece9792d.exe 83 PID 1016 wrote to memory of 4368 1016 08f76f7481e1e979675c4ac64981e89e00737877a61760129a9fafe5ece9792d.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\08f76f7481e1e979675c4ac64981e89e00737877a61760129a9fafe5ece9792d.exe"C:\Users\Admin\AppData\Local\Temp\08f76f7481e1e979675c4ac64981e89e00737877a61760129a9fafe5ece9792d.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:1016 -
C:\Users\Admin\caoweg.exe"C:\Users\Admin\caoweg.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:4368
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
208KB
MD5ebd612e73032668f232af8d92a3435fa
SHA1b07a6a1f08862f1370983d60366ccf1598f2e6f1
SHA2567329dfea10bea6893a334bc6ba85b83576859a826ce4737d9222fd10c0b33ea3
SHA5122883617407f85611bcb9b71ea2bf0611f1e2b96bd01ccc3206df9b1312d5a2258ca096e9a7840971727547921a63d40c2939e0d5be8143bf2c1e0af85aae0a80
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Filesize
208KB
MD5ebd612e73032668f232af8d92a3435fa
SHA1b07a6a1f08862f1370983d60366ccf1598f2e6f1
SHA2567329dfea10bea6893a334bc6ba85b83576859a826ce4737d9222fd10c0b33ea3
SHA5122883617407f85611bcb9b71ea2bf0611f1e2b96bd01ccc3206df9b1312d5a2258ca096e9a7840971727547921a63d40c2939e0d5be8143bf2c1e0af85aae0a80