Analysis
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max time kernel
91s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
08-06-2022 20:53
Static task
static1
Behavioral task
behavioral1
Sample
1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe
Resource
win10v2004-20220414-en
General
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Target
1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe
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Size
256KB
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MD5
12023a8ddb8177fd4a55046624d83532
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SHA1
745f4ea25ee5af413c81a35e56f9ae4c959a4821
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SHA256
1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62
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SHA512
02a5a6d7741b4d7c5e2dd3c253ea7447e846ee0a3a095baa5bbcdd22722177cbaf4ebd23802839c275cbb535b4deff31bd2137ff70f84b8b7b8960bc5f0d8cb8
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:
wmpdv86.exedescription ioc process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications wmpdv86.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdv86.exe = "C:\\Windows\\SysWOW64\\wmpdv86.exe:*:Enabled:Windows Network Console" wmpdv86.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List wmpdv86.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile wmpdv86.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications wmpdv86.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdv86.exe = "C:\\Windows\\SysWOW64\\wmpdv86.exe:*:Enabled:Windows Network Console" wmpdv86.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List wmpdv86.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile wmpdv86.exe -
Executes dropped EXE 2 IoCs
Processes:
wmpdv86.exewmpdv86.exepid process 448 wmpdv86.exe 480 wmpdv86.exe -
Processes:
resource yara_rule behavioral2/memory/1648-131-0x0000000000400000-0x000000000044C000-memory.dmp upx behavioral2/memory/1648-133-0x0000000000400000-0x000000000044C000-memory.dmp upx behavioral2/memory/1648-134-0x0000000000400000-0x000000000044C000-memory.dmp upx behavioral2/memory/1648-135-0x0000000000400000-0x0000000000445000-memory.dmp upx behavioral2/memory/1648-136-0x0000000000400000-0x0000000000445000-memory.dmp upx behavioral2/memory/480-146-0x0000000000400000-0x000000000044C000-memory.dmp upx behavioral2/memory/1648-147-0x0000000000400000-0x0000000000445000-memory.dmp upx behavioral2/memory/480-148-0x0000000000400000-0x000000000044C000-memory.dmp upx -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation 1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
wmpdv86.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run wmpdv86.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Network Console = "C:\\Windows\\SysWOW64\\wmpdv86.exe" wmpdv86.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
wmpdv86.exe1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum wmpdv86.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 wmpdv86.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe -
Drops file in System32 directory 4 IoCs
Processes:
wmpdv86.exe1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exedescription ioc process File opened for modification C:\Windows\SysWOW64\ wmpdv86.exe File opened for modification C:\Windows\SysWOW64\ 1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe File opened for modification C:\Windows\SysWOW64\wmpdv86.exe 1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe File created C:\Windows\SysWOW64\wmpdv86.exe 1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exewmpdv86.exedescription pid process target process PID 396 set thread context of 1648 396 1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe 1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe PID 448 set thread context of 480 448 wmpdv86.exe wmpdv86.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:
1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ 1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exewmpdv86.exepid process 1648 1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe 1648 1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe 1648 1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe 1648 1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe 480 wmpdv86.exe 480 wmpdv86.exe 480 wmpdv86.exe 480 wmpdv86.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exepid process 396 1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exewmpdv86.exewmpdv86.exedescription pid process target process PID 396 wrote to memory of 1648 396 1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe 1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe PID 396 wrote to memory of 1648 396 1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe 1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe PID 396 wrote to memory of 1648 396 1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe 1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe PID 396 wrote to memory of 1648 396 1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe 1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe PID 396 wrote to memory of 1648 396 1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe 1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe PID 396 wrote to memory of 1648 396 1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe 1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe PID 396 wrote to memory of 1648 396 1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe 1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe PID 1648 wrote to memory of 448 1648 1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe wmpdv86.exe PID 1648 wrote to memory of 448 1648 1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe wmpdv86.exe PID 1648 wrote to memory of 448 1648 1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe wmpdv86.exe PID 448 wrote to memory of 480 448 wmpdv86.exe wmpdv86.exe PID 448 wrote to memory of 480 448 wmpdv86.exe wmpdv86.exe PID 448 wrote to memory of 480 448 wmpdv86.exe wmpdv86.exe PID 448 wrote to memory of 480 448 wmpdv86.exe wmpdv86.exe PID 448 wrote to memory of 480 448 wmpdv86.exe wmpdv86.exe PID 448 wrote to memory of 480 448 wmpdv86.exe wmpdv86.exe PID 448 wrote to memory of 480 448 wmpdv86.exe wmpdv86.exe PID 480 wrote to memory of 1052 480 wmpdv86.exe Explorer.EXE PID 480 wrote to memory of 1052 480 wmpdv86.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\1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe"C:\Users\Admin\AppData\Local\Temp\1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.exe"C:\Users\Admin\AppData\Local\Temp\1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62.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\wmpdv86.exe"C:\Windows\SysWOW64\wmpdv86.exe" C:\Users\Admin\AppData\Local\Temp\1776E5~1.EXE4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\wmpdv86.exe"C:\Windows\SysWOW64\wmpdv86.exe" C:\Users\Admin\AppData\Local\Temp\1776E5~1.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\wmpdv86.exeFilesize
256KB
MD512023a8ddb8177fd4a55046624d83532
SHA1745f4ea25ee5af413c81a35e56f9ae4c959a4821
SHA2561776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62
SHA51202a5a6d7741b4d7c5e2dd3c253ea7447e846ee0a3a095baa5bbcdd22722177cbaf4ebd23802839c275cbb535b4deff31bd2137ff70f84b8b7b8960bc5f0d8cb8
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C:\Windows\SysWOW64\wmpdv86.exeFilesize
256KB
MD512023a8ddb8177fd4a55046624d83532
SHA1745f4ea25ee5af413c81a35e56f9ae4c959a4821
SHA2561776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62
SHA51202a5a6d7741b4d7c5e2dd3c253ea7447e846ee0a3a095baa5bbcdd22722177cbaf4ebd23802839c275cbb535b4deff31bd2137ff70f84b8b7b8960bc5f0d8cb8
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C:\Windows\SysWOW64\wmpdv86.exeFilesize
256KB
MD512023a8ddb8177fd4a55046624d83532
SHA1745f4ea25ee5af413c81a35e56f9ae4c959a4821
SHA2561776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62
SHA51202a5a6d7741b4d7c5e2dd3c253ea7447e846ee0a3a095baa5bbcdd22722177cbaf4ebd23802839c275cbb535b4deff31bd2137ff70f84b8b7b8960bc5f0d8cb8
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memory/448-137-0x0000000000000000-mapping.dmp
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memory/480-140-0x0000000000000000-mapping.dmp
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memory/480-146-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/480-148-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1648-136-0x0000000000400000-0x0000000000445000-memory.dmpFilesize
276KB
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memory/1648-135-0x0000000000400000-0x0000000000445000-memory.dmpFilesize
276KB
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memory/1648-134-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1648-133-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1648-130-0x0000000000000000-mapping.dmp
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memory/1648-131-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1648-147-0x0000000000400000-0x0000000000445000-memory.dmpFilesize
276KB