Analysis
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max time kernel
91s -
max time network
113s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
04-06-2022 00:42
Static task
static1
Behavioral task
behavioral1
Sample
11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe
Resource
win10v2004-20220414-en
General
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Target
11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe
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Size
214KB
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MD5
87e683e9577a4b36a1744b42bf8be44b
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SHA1
cc69d58f56f91a4ce36e4ca841eb83a9d1fb813e
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SHA256
11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074
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SHA512
62b53941b98d27ec75544dcb8fce76215723db3386bdd43a619a13f23c1f7d5e683661441279474de3fe7bf7f4dd13689cd04f7358282479f43c3b9e12820da9
Malware Config
Extracted
metasploit
encoder/call4_dword_xor
Signatures
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MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
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Modifies firewall policy service 2 TTPs 8 IoCs
Processes:
igfxct86.exedescription ioc process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List igfxct86.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile igfxct86.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications igfxct86.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxct86.exe = "C:\\Windows\\SysWOW64\\igfxct86.exe:*:Enabled:Intel Control Service" igfxct86.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List igfxct86.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile igfxct86.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications igfxct86.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxct86.exe = "C:\\Windows\\SysWOW64\\igfxct86.exe:*:Enabled:Intel Control Service" igfxct86.exe -
Executes dropped EXE 2 IoCs
Processes:
igfxct86.exeigfxct86.exepid process 1200 igfxct86.exe 1008 igfxct86.exe -
Processes:
resource yara_rule behavioral2/memory/2056-131-0x0000000000400000-0x000000000044E000-memory.dmp upx behavioral2/memory/2056-133-0x0000000000400000-0x000000000044E000-memory.dmp upx behavioral2/memory/2056-134-0x0000000000400000-0x000000000044E000-memory.dmp upx behavioral2/memory/2056-135-0x0000000000400000-0x0000000000439000-memory.dmp upx behavioral2/memory/1008-145-0x0000000000400000-0x000000000044E000-memory.dmp upx behavioral2/memory/1008-146-0x0000000000400000-0x000000000044E000-memory.dmp upx -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation 11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
igfxct86.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run igfxct86.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Intel Control Service = "C:\\Windows\\SysWOW64\\igfxct86.exe" igfxct86.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exeigfxct86.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum igfxct86.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 igfxct86.exe -
Drops file in System32 directory 4 IoCs
Processes:
11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exeigfxct86.exedescription ioc process File opened for modification C:\Windows\SysWOW64\ 11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe File opened for modification C:\Windows\SysWOW64\igfxct86.exe 11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe File created C:\Windows\SysWOW64\igfxct86.exe 11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe File opened for modification C:\Windows\SysWOW64\ igfxct86.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exeigfxct86.exedescription pid process target process PID 968 set thread context of 2056 968 11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe 11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe PID 1200 set thread context of 1008 1200 igfxct86.exe igfxct86.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 1 IoCs
Processes:
11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ 11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exeigfxct86.exepid process 2056 11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe 2056 11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe 2056 11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe 2056 11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe 1008 igfxct86.exe 1008 igfxct86.exe 1008 igfxct86.exe 1008 igfxct86.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exepid process 968 11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exeigfxct86.exeigfxct86.exedescription pid process target process PID 968 wrote to memory of 2056 968 11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe 11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe PID 968 wrote to memory of 2056 968 11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe 11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe PID 968 wrote to memory of 2056 968 11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe 11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe PID 968 wrote to memory of 2056 968 11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe 11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe PID 968 wrote to memory of 2056 968 11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe 11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe PID 968 wrote to memory of 2056 968 11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe 11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe PID 968 wrote to memory of 2056 968 11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe 11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe PID 2056 wrote to memory of 1200 2056 11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe igfxct86.exe PID 2056 wrote to memory of 1200 2056 11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe igfxct86.exe PID 2056 wrote to memory of 1200 2056 11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe igfxct86.exe PID 1200 wrote to memory of 1008 1200 igfxct86.exe igfxct86.exe PID 1200 wrote to memory of 1008 1200 igfxct86.exe igfxct86.exe PID 1200 wrote to memory of 1008 1200 igfxct86.exe igfxct86.exe PID 1200 wrote to memory of 1008 1200 igfxct86.exe igfxct86.exe PID 1200 wrote to memory of 1008 1200 igfxct86.exe igfxct86.exe PID 1200 wrote to memory of 1008 1200 igfxct86.exe igfxct86.exe PID 1200 wrote to memory of 1008 1200 igfxct86.exe igfxct86.exe PID 1008 wrote to memory of 1032 1008 igfxct86.exe Explorer.EXE PID 1008 wrote to memory of 1032 1008 igfxct86.exe Explorer.EXE
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
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C:\Users\Admin\AppData\Local\Temp\11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe"C:\Users\Admin\AppData\Local\Temp\11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe"C:\Users\Admin\AppData\Local\Temp\11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074.exe"3⤵
- Checks computer location settings
- Maps connected drives based on registry
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\igfxct86.exe"C:\Windows\SysWOW64\igfxct86.exe" C:\Users\Admin\AppData\Local\Temp\11B5C4~1.EXE4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\igfxct86.exe"C:\Windows\SysWOW64\igfxct86.exe" C:\Users\Admin\AppData\Local\Temp\11B5C4~1.EXE5⤵
- Modifies firewall policy service
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Windows\SysWOW64\igfxct86.exeFilesize
214KB
MD587e683e9577a4b36a1744b42bf8be44b
SHA1cc69d58f56f91a4ce36e4ca841eb83a9d1fb813e
SHA25611b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074
SHA51262b53941b98d27ec75544dcb8fce76215723db3386bdd43a619a13f23c1f7d5e683661441279474de3fe7bf7f4dd13689cd04f7358282479f43c3b9e12820da9
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C:\Windows\SysWOW64\igfxct86.exeFilesize
214KB
MD587e683e9577a4b36a1744b42bf8be44b
SHA1cc69d58f56f91a4ce36e4ca841eb83a9d1fb813e
SHA25611b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074
SHA51262b53941b98d27ec75544dcb8fce76215723db3386bdd43a619a13f23c1f7d5e683661441279474de3fe7bf7f4dd13689cd04f7358282479f43c3b9e12820da9
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C:\Windows\SysWOW64\igfxct86.exeFilesize
214KB
MD587e683e9577a4b36a1744b42bf8be44b
SHA1cc69d58f56f91a4ce36e4ca841eb83a9d1fb813e
SHA25611b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074
SHA51262b53941b98d27ec75544dcb8fce76215723db3386bdd43a619a13f23c1f7d5e683661441279474de3fe7bf7f4dd13689cd04f7358282479f43c3b9e12820da9
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memory/1008-139-0x0000000000000000-mapping.dmp
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memory/1008-145-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/1008-146-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/1200-136-0x0000000000000000-mapping.dmp
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memory/2056-130-0x0000000000000000-mapping.dmp
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memory/2056-131-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/2056-133-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/2056-134-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/2056-135-0x0000000000400000-0x0000000000439000-memory.dmpFilesize
228KB