Analysis
-
max time kernel
92s -
max time network
155s -
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 02:57
Static task
static1
Behavioral task
behavioral1
Sample
13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe
Resource
win10v2004-20220812-en
General
-
Target
13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe
-
Size
246KB
-
MD5
791b8f6c49b235238e4109db3cead404
-
SHA1
5a5d12b4017a2bff39d73103d4c48ce1dd247fdf
-
SHA256
13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f
-
SHA512
0108c22b337ed0f19f3feb99195cd79d20cfa64af973166a1f9fd59758dbfb67629383845b15e3d42a9412e19c7e828e62f2814a5d9d3ad5b5d7bc7bc1d58151
-
SSDEEP
6144:JRneWALBZ/23BggscIPf2HP9rnw0qO4/SkeeabLCYBVtlXY:JRefVp23Bggsci2HlnU/SCALCGVtlY
Malware Config
Extracted
metasploit
encoder/call4_dword_xor
Signatures
-
MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
-
Modifies firewall policy service 2 TTPs 8 IoCs
Processes:
igfxkb86.exedescription ioc process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications igfxkb86.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxkb86.exe = "C:\\Windows\\SysWOW64\\igfxkb86.exe:*:Enabled:Intel Backup Monitor" igfxkb86.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List igfxkb86.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile igfxkb86.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications igfxkb86.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxkb86.exe = "C:\\Windows\\SysWOW64\\igfxkb86.exe:*:Enabled:Intel Backup Monitor" igfxkb86.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List igfxkb86.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile igfxkb86.exe -
Executes dropped EXE 2 IoCs
Processes:
igfxkb86.exeigfxkb86.exepid process 4408 igfxkb86.exe 1968 igfxkb86.exe -
Processes:
resource yara_rule behavioral2/memory/396-133-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral2/memory/396-135-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral2/memory/396-136-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral2/memory/396-137-0x0000000000400000-0x0000000000442000-memory.dmp upx behavioral2/memory/396-147-0x0000000000400000-0x0000000000442000-memory.dmp upx behavioral2/memory/1968-148-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral2/memory/1968-149-0x0000000000400000-0x000000000044F000-memory.dmp upx -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
igfxkb86.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run igfxkb86.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Intel Backup Monitor = "C:\\Windows\\SysWOW64\\igfxkb86.exe" igfxkb86.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exeigfxkb86.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum igfxkb86.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 igfxkb86.exe -
Drops file in System32 directory 4 IoCs
Processes:
13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exeigfxkb86.exedescription ioc process File opened for modification C:\Windows\SysWOW64\ 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe File opened for modification C:\Windows\SysWOW64\igfxkb86.exe 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe File created C:\Windows\SysWOW64\igfxkb86.exe 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe File opened for modification C:\Windows\SysWOW64\ igfxkb86.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exeigfxkb86.exedescription pid process target process PID 5056 set thread context of 396 5056 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe PID 4408 set thread context of 1968 4408 igfxkb86.exe igfxkb86.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Modifies registry class 1 IoCs
Processes:
13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exeigfxkb86.exepid process 396 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe 396 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe 396 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe 396 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe 1968 igfxkb86.exe 1968 igfxkb86.exe 1968 igfxkb86.exe 1968 igfxkb86.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exepid process 5056 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exeigfxkb86.exeigfxkb86.exedescription pid process target process PID 5056 wrote to memory of 396 5056 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe PID 5056 wrote to memory of 396 5056 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe PID 5056 wrote to memory of 396 5056 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe PID 5056 wrote to memory of 396 5056 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe PID 5056 wrote to memory of 396 5056 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe PID 5056 wrote to memory of 396 5056 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe PID 5056 wrote to memory of 396 5056 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe PID 5056 wrote to memory of 396 5056 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe PID 396 wrote to memory of 4408 396 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe igfxkb86.exe PID 396 wrote to memory of 4408 396 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe igfxkb86.exe PID 396 wrote to memory of 4408 396 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe igfxkb86.exe PID 4408 wrote to memory of 1968 4408 igfxkb86.exe igfxkb86.exe PID 4408 wrote to memory of 1968 4408 igfxkb86.exe igfxkb86.exe PID 4408 wrote to memory of 1968 4408 igfxkb86.exe igfxkb86.exe PID 4408 wrote to memory of 1968 4408 igfxkb86.exe igfxkb86.exe PID 4408 wrote to memory of 1968 4408 igfxkb86.exe igfxkb86.exe PID 4408 wrote to memory of 1968 4408 igfxkb86.exe igfxkb86.exe PID 4408 wrote to memory of 1968 4408 igfxkb86.exe igfxkb86.exe PID 4408 wrote to memory of 1968 4408 igfxkb86.exe igfxkb86.exe PID 1968 wrote to memory of 2376 1968 igfxkb86.exe Explorer.EXE PID 1968 wrote to memory of 2376 1968 igfxkb86.exe Explorer.EXE
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:2376
-
C:\Users\Admin\AppData\Local\Temp\13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe"C:\Users\Admin\AppData\Local\Temp\13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:5056 -
C:\Users\Admin\AppData\Local\Temp\13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe"C:\Users\Admin\AppData\Local\Temp\13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.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:396 -
C:\Windows\SysWOW64\igfxkb86.exe"C:\Windows\SysWOW64\igfxkb86.exe" C:\Users\Admin\AppData\Local\Temp\13FE26~1.EXE4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4408 -
C:\Windows\SysWOW64\igfxkb86.exe"C:\Windows\SysWOW64\igfxkb86.exe" C:\Users\Admin\AppData\Local\Temp\13FE26~1.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:1968
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
246KB
MD5791b8f6c49b235238e4109db3cead404
SHA15a5d12b4017a2bff39d73103d4c48ce1dd247fdf
SHA25613fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f
SHA5120108c22b337ed0f19f3feb99195cd79d20cfa64af973166a1f9fd59758dbfb67629383845b15e3d42a9412e19c7e828e62f2814a5d9d3ad5b5d7bc7bc1d58151
-
Filesize
246KB
MD5791b8f6c49b235238e4109db3cead404
SHA15a5d12b4017a2bff39d73103d4c48ce1dd247fdf
SHA25613fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f
SHA5120108c22b337ed0f19f3feb99195cd79d20cfa64af973166a1f9fd59758dbfb67629383845b15e3d42a9412e19c7e828e62f2814a5d9d3ad5b5d7bc7bc1d58151
-
Filesize
246KB
MD5791b8f6c49b235238e4109db3cead404
SHA15a5d12b4017a2bff39d73103d4c48ce1dd247fdf
SHA25613fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f
SHA5120108c22b337ed0f19f3feb99195cd79d20cfa64af973166a1f9fd59758dbfb67629383845b15e3d42a9412e19c7e828e62f2814a5d9d3ad5b5d7bc7bc1d58151