Overview
overview
3Static
static
3Ruler.IRule-1.1.0.zip
windows7-x64
1Ruler.IRule-1.1.0.zip
windows10-2004-x64
1CliFx.dll
windows7-x64
1CliFx.dll
windows10-2004-x64
1Newtonsoft.Json.dll
windows7-x64
1Newtonsoft.Json.dll
windows10-2004-x64
1Ruler.Engine.dll
windows7-x64
1Ruler.Engine.dll
windows10-2004-x64
1Ruler.Engine.pdb
windows7-x64
3Ruler.Engine.pdb
windows10-2004-x64
3Ruler.IRule.deps.json
windows7-x64
3Ruler.IRule.deps.json
windows10-2004-x64
3Ruler.IRule.exe
windows7-x64
1Ruler.IRule.exe
windows10-2004-x64
1Ruler.IRule.exe
windows7-x64
1Ruler.IRule.exe
windows10-2004-x64
1Ruler.IRule.pdb
windows7-x64
3Ruler.IRule.pdb
windows10-2004-x64
3Ruler.IRul...g.json
windows7-x64
3Ruler.IRul...g.json
windows10-2004-x64
3Spectre.Console.dll
windows7-x64
1Spectre.Console.dll
windows10-2004-x64
1ref/Ruler.IRule.exe
windows7-x64
3ref/Ruler.IRule.exe
windows10-2004-x64
3Analysis
-
max time kernel
150s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
14-05-2023 00:53
Static task
static1
Behavioral task
behavioral1
Sample
Ruler.IRule-1.1.0.zip
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Ruler.IRule-1.1.0.zip
Resource
win10v2004-20230220-en
Behavioral task
behavioral3
Sample
CliFx.dll
Resource
win7-20230220-en
Behavioral task
behavioral4
Sample
CliFx.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral5
Sample
Newtonsoft.Json.dll
Resource
win7-20230220-en
Behavioral task
behavioral6
Sample
Newtonsoft.Json.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral7
Sample
Ruler.Engine.dll
Resource
win7-20230220-en
Behavioral task
behavioral8
Sample
Ruler.Engine.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral9
Sample
Ruler.Engine.pdb
Resource
win7-20230220-en
Behavioral task
behavioral10
Sample
Ruler.Engine.pdb
Resource
win10v2004-20230220-en
Behavioral task
behavioral11
Sample
Ruler.IRule.deps.json
Resource
win7-20230220-en
Behavioral task
behavioral12
Sample
Ruler.IRule.deps.json
Resource
win10v2004-20230220-en
Behavioral task
behavioral13
Sample
Ruler.IRule.exe
Resource
win7-20230220-en
Behavioral task
behavioral14
Sample
Ruler.IRule.exe
Resource
win10v2004-20230220-en
Behavioral task
behavioral15
Sample
Ruler.IRule.exe
Resource
win7-20230220-en
Behavioral task
behavioral16
Sample
Ruler.IRule.exe
Resource
win10v2004-20230220-en
Behavioral task
behavioral17
Sample
Ruler.IRule.pdb
Resource
win7-20230220-en
Behavioral task
behavioral18
Sample
Ruler.IRule.pdb
Resource
win10v2004-20230220-en
Behavioral task
behavioral19
Sample
Ruler.IRule.runtimeconfig.json
Resource
win7-20230220-en
Behavioral task
behavioral20
Sample
Ruler.IRule.runtimeconfig.json
Resource
win10v2004-20230220-en
Behavioral task
behavioral21
Sample
Spectre.Console.dll
Resource
win7-20230220-en
Behavioral task
behavioral22
Sample
Spectre.Console.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral23
Sample
ref/Ruler.IRule.exe
Resource
win7-20230220-en
Behavioral task
behavioral24
Sample
ref/Ruler.IRule.exe
Resource
win10v2004-20230220-en
General
-
Target
Ruler.IRule.runtimeconfig.json
-
Size
253B
-
MD5
24e4653829de1022d01cd7ddd26e2f22
-
SHA1
9160a009cb381e044ba4c63e4435da6bfeb9dc6d
-
SHA256
ded3aeb5856a11db0b654a785574490cab55839ebfb17efe9e39b89618fc5b91
-
SHA512
efd4bbba1baec0b47003831510e3aa539db9ef468e0f06ba9d7ba6d0b3800035f7c818d7d90171bfd377ec97d08c4617555bcff635dd83efceb412b1a9cca820
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 10 IoCs
Processes:
rundll32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\json_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\json_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\json_auto_file\shell\Read\command rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\json_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\json_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\.json rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\.json\ = "json_auto_file" rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
AcroRd32.exepid process 1736 AcroRd32.exe 1736 AcroRd32.exe 1736 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
cmd.exerundll32.exedescription pid process target process PID 1712 wrote to memory of 520 1712 cmd.exe rundll32.exe PID 1712 wrote to memory of 520 1712 cmd.exe rundll32.exe PID 1712 wrote to memory of 520 1712 cmd.exe rundll32.exe PID 520 wrote to memory of 1736 520 rundll32.exe AcroRd32.exe PID 520 wrote to memory of 1736 520 rundll32.exe AcroRd32.exe PID 520 wrote to memory of 1736 520 rundll32.exe AcroRd32.exe PID 520 wrote to memory of 1736 520 rundll32.exe AcroRd32.exe
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\Ruler.IRule.runtimeconfig.json1⤵
- Suspicious use of WriteProcessMemory
PID:1712 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Ruler.IRule.runtimeconfig.json2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:520 -
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Ruler.IRule.runtimeconfig.json"3⤵
- Suspicious use of SetWindowsHookEx
PID:1736