Analysis
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max time kernel
91s -
max time network
104s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 06:50
Static task
static1
Behavioral task
behavioral1
Sample
07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe
Resource
win10v2004-20221111-en
General
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Target
07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe
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Size
186KB
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MD5
25980b67244bb4861f4de5913b07937c
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SHA1
493dcc785d9b4e90b679cde800dda9e6fe12f122
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SHA256
07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5
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SHA512
05d445cde678b1e1ba94249a00b31386e6b4733bee41aa546e485812da874715b89373247c839a5e8f4369f5011f9c690fc4a63c8e9ae52868d4c4dc87257efd
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SSDEEP
3072:I9pu27JieXv1qfj5DvDEImXsaqHohxaxjC9fD7XLsSE:iT5tdIySHWxaA9fvLfE
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 4 IoCs
Processes:
wmpbv32.exedescription ioc process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List wmpbv32.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpbv32.exe = "C:\\Windows\\SysWOW64\\wmpbv32.exe:*:Enabled:WinMedia hServer" wmpbv32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List wmpbv32.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpbv32.exe = "C:\\Windows\\SysWOW64\\wmpbv32.exe:*:Enabled:WinMedia hServer" wmpbv32.exe -
Executes dropped EXE 2 IoCs
Processes:
wmpbv32.exewmpbv32.exepid process 460 wmpbv32.exe 852 wmpbv32.exe -
Processes:
resource yara_rule behavioral1/memory/1992-56-0x0000000000400000-0x000000000044C000-memory.dmp upx behavioral1/memory/1992-58-0x0000000000400000-0x000000000044C000-memory.dmp upx behavioral1/memory/1992-59-0x0000000000400000-0x000000000044C000-memory.dmp upx behavioral1/memory/1992-62-0x0000000000400000-0x000000000044C000-memory.dmp upx behavioral1/memory/1992-63-0x0000000000400000-0x000000000044C000-memory.dmp upx behavioral1/memory/1992-64-0x0000000000400000-0x000000000044C000-memory.dmp upx behavioral1/memory/1992-65-0x0000000000400000-0x000000000044C000-memory.dmp upx behavioral1/memory/1992-80-0x0000000000400000-0x000000000044C000-memory.dmp upx behavioral1/memory/852-81-0x0000000000400000-0x000000000044C000-memory.dmp upx behavioral1/memory/852-82-0x0000000000400000-0x000000000044C000-memory.dmp upx -
Deletes itself 1 IoCs
Processes:
wmpbv32.exepid process 852 wmpbv32.exe -
Loads dropped DLL 1 IoCs
Processes:
07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exepid process 1992 07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
wmpbv32.exedescription ioc process Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run wmpbv32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WinMedia hServer = "C:\\Windows\\SysWOW64\\wmpbv32.exe" wmpbv32.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
wmpbv32.exe07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum wmpbv32.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 wmpbv32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe -
Drops file in System32 directory 4 IoCs
Processes:
07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exewmpbv32.exedescription ioc process File opened for modification C:\Windows\SysWOW64\ 07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe File opened for modification C:\Windows\SysWOW64\wmpbv32.exe 07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe File created C:\Windows\SysWOW64\wmpbv32.exe 07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe File opened for modification C:\Windows\SysWOW64\ wmpbv32.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exewmpbv32.exedescription pid process target process PID 964 set thread context of 1992 964 07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe 07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe PID 460 set thread context of 852 460 wmpbv32.exe wmpbv32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exewmpbv32.exepid process 1992 07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe 1992 07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe 852 wmpbv32.exe 852 wmpbv32.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exewmpbv32.exewmpbv32.exedescription pid process target process PID 964 wrote to memory of 1992 964 07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe 07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe PID 964 wrote to memory of 1992 964 07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe 07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe PID 964 wrote to memory of 1992 964 07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe 07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe PID 964 wrote to memory of 1992 964 07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe 07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe PID 964 wrote to memory of 1992 964 07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe 07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe PID 964 wrote to memory of 1992 964 07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe 07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe PID 964 wrote to memory of 1992 964 07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe 07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe PID 1992 wrote to memory of 460 1992 07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe wmpbv32.exe PID 1992 wrote to memory of 460 1992 07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe wmpbv32.exe PID 1992 wrote to memory of 460 1992 07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe wmpbv32.exe PID 1992 wrote to memory of 460 1992 07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe wmpbv32.exe PID 460 wrote to memory of 852 460 wmpbv32.exe wmpbv32.exe PID 460 wrote to memory of 852 460 wmpbv32.exe wmpbv32.exe PID 460 wrote to memory of 852 460 wmpbv32.exe wmpbv32.exe PID 460 wrote to memory of 852 460 wmpbv32.exe wmpbv32.exe PID 460 wrote to memory of 852 460 wmpbv32.exe wmpbv32.exe PID 460 wrote to memory of 852 460 wmpbv32.exe wmpbv32.exe PID 460 wrote to memory of 852 460 wmpbv32.exe wmpbv32.exe PID 852 wrote to memory of 1376 852 wmpbv32.exe Explorer.EXE PID 852 wrote to memory of 1376 852 wmpbv32.exe Explorer.EXE
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1376
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C:\Users\Admin\AppData\Local\Temp\07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe"C:\Users\Admin\AppData\Local\Temp\07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:964 -
C:\Users\Admin\AppData\Local\Temp\07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe"C:\Users\Admin\AppData\Local\Temp\07014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5.exe"3⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1992 -
C:\Windows\SysWOW64\wmpbv32.exe"C:\Windows\SysWOW64\wmpbv32.exe" C:\Users\Admin\AppData\Local\Temp\07014D~1.EXE4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:460 -
C:\Windows\SysWOW64\wmpbv32.exe"C:\Windows\SysWOW64\wmpbv32.exe" C:\Users\Admin\AppData\Local\Temp\07014D~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:852
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
186KB
MD525980b67244bb4861f4de5913b07937c
SHA1493dcc785d9b4e90b679cde800dda9e6fe12f122
SHA25607014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5
SHA51205d445cde678b1e1ba94249a00b31386e6b4733bee41aa546e485812da874715b89373247c839a5e8f4369f5011f9c690fc4a63c8e9ae52868d4c4dc87257efd
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Filesize
186KB
MD525980b67244bb4861f4de5913b07937c
SHA1493dcc785d9b4e90b679cde800dda9e6fe12f122
SHA25607014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5
SHA51205d445cde678b1e1ba94249a00b31386e6b4733bee41aa546e485812da874715b89373247c839a5e8f4369f5011f9c690fc4a63c8e9ae52868d4c4dc87257efd
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Filesize
186KB
MD525980b67244bb4861f4de5913b07937c
SHA1493dcc785d9b4e90b679cde800dda9e6fe12f122
SHA25607014d7d0971ab3486422b8c061c07fd9b36e1dd9a1d08ee20f6359c796bc4e5
SHA51205d445cde678b1e1ba94249a00b31386e6b4733bee41aa546e485812da874715b89373247c839a5e8f4369f5011f9c690fc4a63c8e9ae52868d4c4dc87257efd