Analysis
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max time kernel
82s -
max time network
131s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-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
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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
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MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
-
Modifies firewall policy service 2 TTPs 4 IoCs
Processes:
igfxkb86.exedescription ioc process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List 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 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 -
Executes dropped EXE 2 IoCs
Processes:
igfxkb86.exeigfxkb86.exepid process 2032 igfxkb86.exe 1980 igfxkb86.exe -
Processes:
resource yara_rule behavioral1/memory/1628-56-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/1628-58-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/1628-59-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/1628-61-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/1628-64-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/1628-65-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/1628-66-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/1628-67-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/1628-86-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/1980-87-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/1980-88-0x0000000000400000-0x000000000044F000-memory.dmp upx -
Deletes itself 1 IoCs
Processes:
igfxkb86.exepid process 1980 igfxkb86.exe -
Loads dropped DLL 5 IoCs
Processes:
13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exeWerFault.exepid process 1628 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe 1628 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe 1656 WerFault.exe 1656 WerFault.exe 1656 WerFault.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 1504 set thread context of 1628 1504 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe PID 2032 set thread context of 1980 2032 igfxkb86.exe igfxkb86.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1656 1980 WerFault.exe igfxkb86.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exeigfxkb86.exepid process 1628 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe 1628 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe 1980 igfxkb86.exe 1980 igfxkb86.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exeigfxkb86.exeigfxkb86.exedescription pid process target process PID 1504 wrote to memory of 1628 1504 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe PID 1504 wrote to memory of 1628 1504 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe PID 1504 wrote to memory of 1628 1504 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe PID 1504 wrote to memory of 1628 1504 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe PID 1504 wrote to memory of 1628 1504 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe PID 1504 wrote to memory of 1628 1504 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe PID 1504 wrote to memory of 1628 1504 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe PID 1504 wrote to memory of 1628 1504 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe PID 1628 wrote to memory of 2032 1628 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe igfxkb86.exe PID 1628 wrote to memory of 2032 1628 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe igfxkb86.exe PID 1628 wrote to memory of 2032 1628 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe igfxkb86.exe PID 1628 wrote to memory of 2032 1628 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe igfxkb86.exe PID 2032 wrote to memory of 1980 2032 igfxkb86.exe igfxkb86.exe PID 2032 wrote to memory of 1980 2032 igfxkb86.exe igfxkb86.exe PID 2032 wrote to memory of 1980 2032 igfxkb86.exe igfxkb86.exe PID 2032 wrote to memory of 1980 2032 igfxkb86.exe igfxkb86.exe PID 2032 wrote to memory of 1980 2032 igfxkb86.exe igfxkb86.exe PID 2032 wrote to memory of 1980 2032 igfxkb86.exe igfxkb86.exe PID 2032 wrote to memory of 1980 2032 igfxkb86.exe igfxkb86.exe PID 2032 wrote to memory of 1980 2032 igfxkb86.exe igfxkb86.exe PID 1980 wrote to memory of 1412 1980 igfxkb86.exe Explorer.EXE PID 1980 wrote to memory of 1412 1980 igfxkb86.exe Explorer.EXE PID 1980 wrote to memory of 1656 1980 igfxkb86.exe WerFault.exe PID 1980 wrote to memory of 1656 1980 igfxkb86.exe WerFault.exe PID 1980 wrote to memory of 1656 1980 igfxkb86.exe WerFault.exe PID 1980 wrote to memory of 1656 1980 igfxkb86.exe WerFault.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1412
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C:\Users\Admin\AppData\Local\Temp\13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe"C:\Users\Admin\AppData\Local\Temp\13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1504 -
C:\Users\Admin\AppData\Local\Temp\13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe"C:\Users\Admin\AppData\Local\Temp\13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe"3⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1628 -
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:2032 -
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
- Deletes itself
- 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:1980 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1980 -s 8246⤵
- Loads dropped DLL
- Program crash
PID:1656
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
246KB
MD5791b8f6c49b235238e4109db3cead404
SHA15a5d12b4017a2bff39d73103d4c48ce1dd247fdf
SHA25613fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f
SHA5120108c22b337ed0f19f3feb99195cd79d20cfa64af973166a1f9fd59758dbfb67629383845b15e3d42a9412e19c7e828e62f2814a5d9d3ad5b5d7bc7bc1d58151
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Filesize
246KB
MD5791b8f6c49b235238e4109db3cead404
SHA15a5d12b4017a2bff39d73103d4c48ce1dd247fdf
SHA25613fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f
SHA5120108c22b337ed0f19f3feb99195cd79d20cfa64af973166a1f9fd59758dbfb67629383845b15e3d42a9412e19c7e828e62f2814a5d9d3ad5b5d7bc7bc1d58151
-
Filesize
246KB
MD5791b8f6c49b235238e4109db3cead404
SHA15a5d12b4017a2bff39d73103d4c48ce1dd247fdf
SHA25613fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f
SHA5120108c22b337ed0f19f3feb99195cd79d20cfa64af973166a1f9fd59758dbfb67629383845b15e3d42a9412e19c7e828e62f2814a5d9d3ad5b5d7bc7bc1d58151
-
Filesize
246KB
MD5791b8f6c49b235238e4109db3cead404
SHA15a5d12b4017a2bff39d73103d4c48ce1dd247fdf
SHA25613fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f
SHA5120108c22b337ed0f19f3feb99195cd79d20cfa64af973166a1f9fd59758dbfb67629383845b15e3d42a9412e19c7e828e62f2814a5d9d3ad5b5d7bc7bc1d58151
-
Filesize
246KB
MD5791b8f6c49b235238e4109db3cead404
SHA15a5d12b4017a2bff39d73103d4c48ce1dd247fdf
SHA25613fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f
SHA5120108c22b337ed0f19f3feb99195cd79d20cfa64af973166a1f9fd59758dbfb67629383845b15e3d42a9412e19c7e828e62f2814a5d9d3ad5b5d7bc7bc1d58151
-
Filesize
246KB
MD5791b8f6c49b235238e4109db3cead404
SHA15a5d12b4017a2bff39d73103d4c48ce1dd247fdf
SHA25613fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f
SHA5120108c22b337ed0f19f3feb99195cd79d20cfa64af973166a1f9fd59758dbfb67629383845b15e3d42a9412e19c7e828e62f2814a5d9d3ad5b5d7bc7bc1d58151
-
Filesize
246KB
MD5791b8f6c49b235238e4109db3cead404
SHA15a5d12b4017a2bff39d73103d4c48ce1dd247fdf
SHA25613fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f
SHA5120108c22b337ed0f19f3feb99195cd79d20cfa64af973166a1f9fd59758dbfb67629383845b15e3d42a9412e19c7e828e62f2814a5d9d3ad5b5d7bc7bc1d58151
-
Filesize
246KB
MD5791b8f6c49b235238e4109db3cead404
SHA15a5d12b4017a2bff39d73103d4c48ce1dd247fdf
SHA25613fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f
SHA5120108c22b337ed0f19f3feb99195cd79d20cfa64af973166a1f9fd59758dbfb67629383845b15e3d42a9412e19c7e828e62f2814a5d9d3ad5b5d7bc7bc1d58151