metasploit | 82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a

General

Target

82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe
Size

158KB
MD5

93054f0e8ec1d27e3f4cd18e4f561f6d
SHA1

ac5e6035b911f27dd4eb578555e31ecb12dc7037
SHA256

82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a
SHA512

c586e8842ee9dc30e62800d6a4e50888d86dd7f77c0a674c939654dd68c53df34cece105f4bc0799d8969432c437c7af0885f7bc8285df4034b237552634217a
SSDEEP

3072:v/xCY0LqTUYtP55oUpbtm+V2zeuHjEHfYcChw9SxXd:3xCYhgUHmY2zeQEHww9a

Score

10^/10

metasploit backdoor evasion persistence trojan upx

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Signatures

MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
trojan backdoor metasploit

Modifies firewall policy service 2 TTPs 4 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

wmpnp32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpnp32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpnp32.exe = "C:\\Windows\\SysWOW64\\wmpnp32.exe:*:Enabled:Windows Network Core"	wmpnp32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpnp32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpnp32.exe = "C:\\Windows\\SysWOW64\\wmpnp32.exe:*:Enabled:Windows Network Core"	wmpnp32.exe

Executes dropped EXE 2 IoCs

Processes:

wmpnp32.exewmpnp32.exe

pid process

1716 wmpnp32.exe
2036 wmpnp32.exe

pid	process
1716	wmpnp32.exe
2036	wmpnp32.exe

UPX packed file 10 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1884-56-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1884-58-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1884-59-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1884-62-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1884-63-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1884-64-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1884-65-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1884-80-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2036-81-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2036-82-0x0000000000400000-0x000000000044C000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

wmpnp32.exe

pid process

2036 wmpnp32.exe
Loads dropped DLL 1 IoCs

Processes:

82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe

pid process

1884 82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe

pid	process
2036	wmpnp32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wmpnp32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	wmpnp32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Network Core = "C:\\Windows\\SysWOW64\\wmpnp32.exe"	wmpnp32.exe

Maps connected drives based on registry 3 TTPs 4 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exewmpnp32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpnp32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	wmpnp32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe

Drops file in System32 directory 4 IoCs

Processes:

82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exewmpnp32.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\	82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe
File opened for modification	C:\Windows\SysWOW64\wmpnp32.exe	82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe
File created	C:\Windows\SysWOW64\wmpnp32.exe	82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe
File opened for modification	C:\Windows\SysWOW64\	wmpnp32.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exewmpnp32.exe

description	pid	process	target process
PID 1684 set thread context of 1884	1684	82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe	82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe
PID 1716 set thread context of 2036	1716	wmpnp32.exe	wmpnp32.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exewmpnp32.exe

pid	process
1884	82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe
1884	82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe
2036	wmpnp32.exe
2036	wmpnp32.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exewmpnp32.exewmpnp32.exe

description	pid	process	target process
PID 1684 wrote to memory of 1884	1684	82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe	82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe
PID 1684 wrote to memory of 1884	1684	82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe	82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe
PID 1684 wrote to memory of 1884	1684	82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe	82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe
PID 1684 wrote to memory of 1884	1684	82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe	82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe
PID 1684 wrote to memory of 1884	1684	82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe	82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe
PID 1684 wrote to memory of 1884	1684	82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe	82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe
PID 1684 wrote to memory of 1884	1684	82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe	82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe
PID 1884 wrote to memory of 1716	1884	82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe	wmpnp32.exe
PID 1884 wrote to memory of 1716	1884	82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe	wmpnp32.exe
PID 1884 wrote to memory of 1716	1884	82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe	wmpnp32.exe
PID 1884 wrote to memory of 1716	1884	82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe	wmpnp32.exe
PID 1716 wrote to memory of 2036	1716	wmpnp32.exe	wmpnp32.exe
PID 1716 wrote to memory of 2036	1716	wmpnp32.exe	wmpnp32.exe
PID 1716 wrote to memory of 2036	1716	wmpnp32.exe	wmpnp32.exe
PID 1716 wrote to memory of 2036	1716	wmpnp32.exe	wmpnp32.exe
PID 1716 wrote to memory of 2036	1716	wmpnp32.exe	wmpnp32.exe
PID 1716 wrote to memory of 2036	1716	wmpnp32.exe	wmpnp32.exe
PID 1716 wrote to memory of 2036	1716	wmpnp32.exe	wmpnp32.exe
PID 2036 wrote to memory of 1268	2036	wmpnp32.exe	Explorer.EXE
PID 2036 wrote to memory of 1268	2036	wmpnp32.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1268

C:\Users\Admin\AppData\Local\Temp\82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe
"C:\Users\Admin\AppData\Local\Temp\82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1684

C:\Users\Admin\AppData\Local\Temp\82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe
"C:\Users\Admin\AppData\Local\Temp\82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a.exe"
3⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1884

C:\Windows\SysWOW64\wmpnp32.exe
"C:\Windows\SysWOW64\wmpnp32.exe" C:\Users\Admin\AppData\Local\Temp\82AA05~1.EXE
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1716

C:\Windows\SysWOW64\wmpnp32.exe
"C:\Windows\SysWOW64\wmpnp32.exe" C:\Users\Admin\AppData\Local\Temp\82AA05~1.EXE
5⤵
- 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:2036

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Windows\SysWOW64\wmpnp32.exe
Filesize
158KB

MD5
93054f0e8ec1d27e3f4cd18e4f561f6d

SHA1
ac5e6035b911f27dd4eb578555e31ecb12dc7037

SHA256
82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a

SHA512
c586e8842ee9dc30e62800d6a4e50888d86dd7f77c0a674c939654dd68c53df34cece105f4bc0799d8969432c437c7af0885f7bc8285df4034b237552634217a

Download Submit
C:\Windows\SysWOW64\wmpnp32.exe
Filesize
158KB

MD5
93054f0e8ec1d27e3f4cd18e4f561f6d

SHA1
ac5e6035b911f27dd4eb578555e31ecb12dc7037

SHA256
82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a

SHA512
c586e8842ee9dc30e62800d6a4e50888d86dd7f77c0a674c939654dd68c53df34cece105f4bc0799d8969432c437c7af0885f7bc8285df4034b237552634217a

Download Submit
\Windows\SysWOW64\wmpnp32.exe
Filesize
158KB

MD5
93054f0e8ec1d27e3f4cd18e4f561f6d

SHA1
ac5e6035b911f27dd4eb578555e31ecb12dc7037

SHA256
82aa0514592c16f9e6433230deb2df598544929d7899c4e650421052bf72ef1a

SHA512
c586e8842ee9dc30e62800d6a4e50888d86dd7f77c0a674c939654dd68c53df34cece105f4bc0799d8969432c437c7af0885f7bc8285df4034b237552634217a

Download Submit
memory/1268-83-0x0000000000510000-0x000000000052E000-memory.dmp

Filesize
120KB

Download
memory/1716-67-0x0000000000000000-mapping.dmp

Download
memory/1884-59-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1884-58-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1884-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1884-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1884-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1884-61-0x0000000074AB1000-0x0000000074AB3000-memory.dmp

Filesize
8KB

Download
memory/1884-54-0x0000000000000000-mapping.dmp

Download
memory/1884-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1884-55-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1884-56-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1884-80-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2036-81-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2036-82-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2036-69-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads