Analysis
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max time kernel
123s -
max time network
162s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
19-09-2022 06:35
Static task
static1
Behavioral task
behavioral1
Sample
b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe
Resource
win10v2004-20220812-en
General
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Target
b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe
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Size
266KB
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MD5
78e3ab7007a3dae96afccd388c869933
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SHA1
cb5c9c74004506500a6c4e5cb431e246bb8c0352
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SHA256
b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49
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SHA512
c07fa9c94e0f59b795b821760ee2b72490af2b62bc4913c99c1ba17655be389ee91fa347de2ee3d8309911681ec0cab037fdc5417516b693cca45556a8b7c659
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SSDEEP
6144:LWQXbSjopWSmLvQzfhtFrvb8xu0moP/SHD9LufoJ:aAmspWSmLvChtFrvDDjRn
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:
igfxsvc86.exedescription ioc process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List igfxsvc86.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile igfxsvc86.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications igfxsvc86.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxsvc86.exe = "C:\\Windows\\SysWOW64\\igfxsvc86.exe:*:Enabled:Intel Service Manager" igfxsvc86.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List igfxsvc86.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile igfxsvc86.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications igfxsvc86.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxsvc86.exe = "C:\\Windows\\SysWOW64\\igfxsvc86.exe:*:Enabled:Intel Service Manager" igfxsvc86.exe -
Executes dropped EXE 2 IoCs
Processes:
igfxsvc86.exeigfxsvc86.exepid process 4956 igfxsvc86.exe 4916 igfxsvc86.exe -
Processes:
resource yara_rule behavioral2/memory/1696-133-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/1696-135-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/1696-136-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/1696-137-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/1696-146-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4916-148-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4916-149-0x0000000000400000-0x0000000000453000-memory.dmp upx -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
igfxsvc86.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run igfxsvc86.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Intel Service Manager = "C:\\Windows\\SysWOW64\\igfxsvc86.exe" igfxsvc86.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exeigfxsvc86.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum igfxsvc86.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 igfxsvc86.exe -
Drops file in System32 directory 4 IoCs
Processes:
b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exeigfxsvc86.exedescription ioc process File opened for modification C:\Windows\SysWOW64\ b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe File opened for modification C:\Windows\SysWOW64\igfxsvc86.exe b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe File created C:\Windows\SysWOW64\igfxsvc86.exe b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe File opened for modification C:\Windows\SysWOW64\ igfxsvc86.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exeigfxsvc86.exedescription pid process target process PID 4764 set thread context of 1696 4764 b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe PID 4956 set thread context of 4916 4956 igfxsvc86.exe igfxsvc86.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:
b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exeigfxsvc86.exepid process 1696 b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe 1696 b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe 1696 b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe 1696 b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe 4916 igfxsvc86.exe 4916 igfxsvc86.exe 4916 igfxsvc86.exe 4916 igfxsvc86.exe 4916 igfxsvc86.exe 4916 igfxsvc86.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exeb7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exeigfxsvc86.exeigfxsvc86.exedescription pid process target process PID 4764 wrote to memory of 1696 4764 b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe PID 4764 wrote to memory of 1696 4764 b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe PID 4764 wrote to memory of 1696 4764 b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe PID 4764 wrote to memory of 1696 4764 b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe PID 4764 wrote to memory of 1696 4764 b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe PID 4764 wrote to memory of 1696 4764 b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe PID 4764 wrote to memory of 1696 4764 b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe PID 4764 wrote to memory of 1696 4764 b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe PID 1696 wrote to memory of 4956 1696 b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe igfxsvc86.exe PID 1696 wrote to memory of 4956 1696 b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe igfxsvc86.exe PID 1696 wrote to memory of 4956 1696 b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe igfxsvc86.exe PID 4956 wrote to memory of 4916 4956 igfxsvc86.exe igfxsvc86.exe PID 4956 wrote to memory of 4916 4956 igfxsvc86.exe igfxsvc86.exe PID 4956 wrote to memory of 4916 4956 igfxsvc86.exe igfxsvc86.exe PID 4956 wrote to memory of 4916 4956 igfxsvc86.exe igfxsvc86.exe PID 4956 wrote to memory of 4916 4956 igfxsvc86.exe igfxsvc86.exe PID 4956 wrote to memory of 4916 4956 igfxsvc86.exe igfxsvc86.exe PID 4956 wrote to memory of 4916 4956 igfxsvc86.exe igfxsvc86.exe PID 4956 wrote to memory of 4916 4956 igfxsvc86.exe igfxsvc86.exe PID 4916 wrote to memory of 3092 4916 igfxsvc86.exe Explorer.EXE PID 4916 wrote to memory of 3092 4916 igfxsvc86.exe Explorer.EXE
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3092
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C:\Users\Admin\AppData\Local\Temp\b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe"C:\Users\Admin\AppData\Local\Temp\b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4764 -
C:\Users\Admin\AppData\Local\Temp\b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.exe"C:\Users\Admin\AppData\Local\Temp\b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49.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
PID:1696 -
C:\Windows\SysWOW64\igfxsvc86.exe"C:\Windows\SysWOW64\igfxsvc86.exe" C:\Users\Admin\AppData\Local\Temp\B7D304~1.EXE4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4956 -
C:\Windows\SysWOW64\igfxsvc86.exe"C:\Windows\SysWOW64\igfxsvc86.exe" C:\Users\Admin\AppData\Local\Temp\B7D304~1.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
PID:4916
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
266KB
MD578e3ab7007a3dae96afccd388c869933
SHA1cb5c9c74004506500a6c4e5cb431e246bb8c0352
SHA256b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49
SHA512c07fa9c94e0f59b795b821760ee2b72490af2b62bc4913c99c1ba17655be389ee91fa347de2ee3d8309911681ec0cab037fdc5417516b693cca45556a8b7c659
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Filesize
266KB
MD578e3ab7007a3dae96afccd388c869933
SHA1cb5c9c74004506500a6c4e5cb431e246bb8c0352
SHA256b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49
SHA512c07fa9c94e0f59b795b821760ee2b72490af2b62bc4913c99c1ba17655be389ee91fa347de2ee3d8309911681ec0cab037fdc5417516b693cca45556a8b7c659
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Filesize
266KB
MD578e3ab7007a3dae96afccd388c869933
SHA1cb5c9c74004506500a6c4e5cb431e246bb8c0352
SHA256b7d3046bf47466ae1240e4ff4e02d0c95cc0a48ae330ce0bf335a296ae06ca49
SHA512c07fa9c94e0f59b795b821760ee2b72490af2b62bc4913c99c1ba17655be389ee91fa347de2ee3d8309911681ec0cab037fdc5417516b693cca45556a8b7c659