Analysis
-
max time kernel
150s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
07-12-2022 02:57
Static task
static1
Behavioral task
behavioral1
Sample
d246e973a2f2204a2a19c79eb9b9a626fe5bfb9b104d67aa7a8287991cdcded8.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
d246e973a2f2204a2a19c79eb9b9a626fe5bfb9b104d67aa7a8287991cdcded8.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
-
Target
d246e973a2f2204a2a19c79eb9b9a626fe5bfb9b104d67aa7a8287991cdcded8.exe
-
Size
240KB
-
MD5
ab719891e5c2fdbcf46dbba611c503f7
-
SHA1
fae3e946d1b0ed9c0911b8d34c749e68e29e7e10
-
SHA256
d246e973a2f2204a2a19c79eb9b9a626fe5bfb9b104d67aa7a8287991cdcded8
-
SHA512
c493b36267fa0f79dd8417a7c69f979f2eab25d7218253172521e79cf4bbf43257faaf53f2c01f9079fcc45763d907a2783f7d2809562e7b9a42408702a910af
-
SSDEEP
3072:BkBrtXT8j6VlpuBd90i/SmWKLi7CjFSivnfu3fbMdozt5czH/S:Bma0UGKGkFRKfeoztOe
Score
10/10
Malware Config
Signatures
-
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" sianao.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" d246e973a2f2204a2a19c79eb9b9a626fe5bfb9b104d67aa7a8287991cdcded8.exe -
Executes dropped EXE 1 IoCs
pid Process 4860 sianao.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 d246e973a2f2204a2a19c79eb9b9a626fe5bfb9b104d67aa7a8287991cdcded8.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sianao = "C:\\Users\\Admin\\sianao.exe /m" sianao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sianao = "C:\\Users\\Admin\\sianao.exe /l" sianao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sianao = "C:\\Users\\Admin\\sianao.exe /g" sianao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sianao = "C:\\Users\\Admin\\sianao.exe /i" sianao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sianao = "C:\\Users\\Admin\\sianao.exe /k" sianao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sianao = "C:\\Users\\Admin\\sianao.exe /j" sianao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sianao = "C:\\Users\\Admin\\sianao.exe /s" sianao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sianao = "C:\\Users\\Admin\\sianao.exe /z" sianao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sianao = "C:\\Users\\Admin\\sianao.exe /c" sianao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sianao = "C:\\Users\\Admin\\sianao.exe /w" sianao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sianao = "C:\\Users\\Admin\\sianao.exe /e" sianao.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ sianao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sianao = "C:\\Users\\Admin\\sianao.exe /r" sianao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sianao = "C:\\Users\\Admin\\sianao.exe /f" d246e973a2f2204a2a19c79eb9b9a626fe5bfb9b104d67aa7a8287991cdcded8.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sianao = "C:\\Users\\Admin\\sianao.exe /t" sianao.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ d246e973a2f2204a2a19c79eb9b9a626fe5bfb9b104d67aa7a8287991cdcded8.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sianao = "C:\\Users\\Admin\\sianao.exe /o" sianao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sianao = "C:\\Users\\Admin\\sianao.exe /p" sianao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sianao = "C:\\Users\\Admin\\sianao.exe /n" sianao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sianao = "C:\\Users\\Admin\\sianao.exe /b" sianao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sianao = "C:\\Users\\Admin\\sianao.exe /f" sianao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sianao = "C:\\Users\\Admin\\sianao.exe /h" sianao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sianao = "C:\\Users\\Admin\\sianao.exe /q" sianao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sianao = "C:\\Users\\Admin\\sianao.exe /d" sianao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sianao = "C:\\Users\\Admin\\sianao.exe /x" sianao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sianao = "C:\\Users\\Admin\\sianao.exe /u" sianao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sianao = "C:\\Users\\Admin\\sianao.exe /y" sianao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sianao = "C:\\Users\\Admin\\sianao.exe /v" sianao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sianao = "C:\\Users\\Admin\\sianao.exe /a" sianao.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 4896 d246e973a2f2204a2a19c79eb9b9a626fe5bfb9b104d67aa7a8287991cdcded8.exe 4896 d246e973a2f2204a2a19c79eb9b9a626fe5bfb9b104d67aa7a8287991cdcded8.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe 4860 sianao.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4896 d246e973a2f2204a2a19c79eb9b9a626fe5bfb9b104d67aa7a8287991cdcded8.exe 4860 sianao.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4896 wrote to memory of 4860 4896 d246e973a2f2204a2a19c79eb9b9a626fe5bfb9b104d67aa7a8287991cdcded8.exe 80 PID 4896 wrote to memory of 4860 4896 d246e973a2f2204a2a19c79eb9b9a626fe5bfb9b104d67aa7a8287991cdcded8.exe 80 PID 4896 wrote to memory of 4860 4896 d246e973a2f2204a2a19c79eb9b9a626fe5bfb9b104d67aa7a8287991cdcded8.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\d246e973a2f2204a2a19c79eb9b9a626fe5bfb9b104d67aa7a8287991cdcded8.exe"C:\Users\Admin\AppData\Local\Temp\d246e973a2f2204a2a19c79eb9b9a626fe5bfb9b104d67aa7a8287991cdcded8.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:4896 -
C:\Users\Admin\sianao.exe"C:\Users\Admin\sianao.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:4860
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
240KB
MD5664421328316a889ba9b1a53fc158566
SHA1530bfe92477a5b1d21a2910ecc74807df1791a9b
SHA2568760d143fb19b12b5783c6b3e4b5c24a644358f93669a1c368affbe0c713323b
SHA512e4387b3081981096a91caf9ed1ec6ded6a176421f7d41369f60540a8e4c73c14a76187bcef87646221d73f584a0be36ca0fa5871b63079dcf0bfb29125ce2a12
-
Filesize
240KB
MD5664421328316a889ba9b1a53fc158566
SHA1530bfe92477a5b1d21a2910ecc74807df1791a9b
SHA2568760d143fb19b12b5783c6b3e4b5c24a644358f93669a1c368affbe0c713323b
SHA512e4387b3081981096a91caf9ed1ec6ded6a176421f7d41369f60540a8e4c73c14a76187bcef87646221d73f584a0be36ca0fa5871b63079dcf0bfb29125ce2a12