metasploit | 6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907

General

Target

6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe
Size

158KB
MD5

438da4197174e0670d0f61df97b96f42
SHA1

34c1d26f80ea215b7cfe8afe9061702a60bffd94
SHA256

6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907
SHA512

e208d183a44cb0dbaa3087c23fa50d659c77d43c55a1ab08a70b289c1d3442a1dca41b40781ecabb74630fe5a2aeb31f780281f3e106a8bf2f2ef3e13db85ff9
SSDEEP

3072:i/xCY0LHTUY6P5BuvTGzUxQ2DfmUgGnroFHV8wlf9i75Lu:kxCYAuub2Uu23kVx0Zu

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\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
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

Executes dropped EXE 2 IoCs

Processes:

wmpnp32.exewmpnp32.exe

pid process

556 wmpnp32.exe
676 wmpnp32.exe

pid	process
556	wmpnp32.exe
676	wmpnp32.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1744-56-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1744-58-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1744-59-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1744-62-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1744-63-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1744-64-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1744-65-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/676-76-0x0000000000400000-0x0000000000401000-memory.dmp	upx
behavioral1/memory/1744-77-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/676-78-0x0000000000400000-0x000000000042F000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

wmpnp32.exe

pid process

676 wmpnp32.exe
Loads dropped DLL 1 IoCs

Processes:

6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe

pid process

1744 6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe

pid	process
676	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:

wmpnp32.exe6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	wmpnp32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpnp32.exe

Drops file in System32 directory 4 IoCs

Processes:

6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exewmpnp32.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\	6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe
File opened for modification	C:\Windows\SysWOW64\wmpnp32.exe	6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe
File created	C:\Windows\SysWOW64\wmpnp32.exe	6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe
File opened for modification	C:\Windows\SysWOW64\	wmpnp32.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exewmpnp32.exe

description	pid	process	target process
PID 1104 set thread context of 1744	1104	6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe	6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe
PID 556 set thread context of 676	556	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:

6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exewmpnp32.exe

pid	process
1744	6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe
1744	6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe
676	wmpnp32.exe
676	wmpnp32.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

wmpnp32.exe

pid process

556 wmpnp32.exe

pid	process
556	wmpnp32.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exewmpnp32.exewmpnp32.exe

description	pid	process	target process
PID 1104 wrote to memory of 1744	1104	6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe	6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe
PID 1104 wrote to memory of 1744	1104	6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe	6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe
PID 1104 wrote to memory of 1744	1104	6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe	6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe
PID 1104 wrote to memory of 1744	1104	6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe	6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe
PID 1104 wrote to memory of 1744	1104	6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe	6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe
PID 1104 wrote to memory of 1744	1104	6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe	6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe
PID 1104 wrote to memory of 1744	1104	6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe	6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe
PID 1744 wrote to memory of 556	1744	6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe	wmpnp32.exe
PID 1744 wrote to memory of 556	1744	6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe	wmpnp32.exe
PID 1744 wrote to memory of 556	1744	6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe	wmpnp32.exe
PID 1744 wrote to memory of 556	1744	6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe	wmpnp32.exe
PID 556 wrote to memory of 676	556	wmpnp32.exe	wmpnp32.exe
PID 556 wrote to memory of 676	556	wmpnp32.exe	wmpnp32.exe
PID 556 wrote to memory of 676	556	wmpnp32.exe	wmpnp32.exe
PID 556 wrote to memory of 676	556	wmpnp32.exe	wmpnp32.exe
PID 556 wrote to memory of 676	556	wmpnp32.exe	wmpnp32.exe
PID 556 wrote to memory of 676	556	wmpnp32.exe	wmpnp32.exe
PID 556 wrote to memory of 676	556	wmpnp32.exe	wmpnp32.exe
PID 676 wrote to memory of 1360	676	wmpnp32.exe	Explorer.EXE
PID 676 wrote to memory of 1360	676	wmpnp32.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1360

C:\Users\Admin\AppData\Local\Temp\6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe
"C:\Users\Admin\AppData\Local\Temp\6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1104

C:\Users\Admin\AppData\Local\Temp\6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe
"C:\Users\Admin\AppData\Local\Temp\6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907.exe"
3⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1744

C:\Windows\SysWOW64\wmpnp32.exe
"C:\Windows\SysWOW64\wmpnp32.exe" C:\Users\Admin\AppData\Local\Temp\6BE005~1.EXE
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:556

C:\Windows\SysWOW64\wmpnp32.exe
"C:\Windows\SysWOW64\wmpnp32.exe" C:\Users\Admin\AppData\Local\Temp\6BE005~1.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:676

Network

MITRE ATT&CK Enterprise 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

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\wmpnp32.exe

Filesize
158KB

MD5
438da4197174e0670d0f61df97b96f42

SHA1
34c1d26f80ea215b7cfe8afe9061702a60bffd94

SHA256
6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907

SHA512
e208d183a44cb0dbaa3087c23fa50d659c77d43c55a1ab08a70b289c1d3442a1dca41b40781ecabb74630fe5a2aeb31f780281f3e106a8bf2f2ef3e13db85ff9

Download Submit
C:\Windows\SysWOW64\wmpnp32.exe

Filesize
158KB

MD5
438da4197174e0670d0f61df97b96f42

SHA1
34c1d26f80ea215b7cfe8afe9061702a60bffd94

SHA256
6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907

SHA512
e208d183a44cb0dbaa3087c23fa50d659c77d43c55a1ab08a70b289c1d3442a1dca41b40781ecabb74630fe5a2aeb31f780281f3e106a8bf2f2ef3e13db85ff9

Download Submit
\Windows\SysWOW64\wmpnp32.exe

Filesize
158KB

MD5
438da4197174e0670d0f61df97b96f42

SHA1
34c1d26f80ea215b7cfe8afe9061702a60bffd94

SHA256
6be005d1491e166d2ef511080bc164e2a951acfebbd2c33d2d0f7c8f5c841907

SHA512
e208d183a44cb0dbaa3087c23fa50d659c77d43c55a1ab08a70b289c1d3442a1dca41b40781ecabb74630fe5a2aeb31f780281f3e106a8bf2f2ef3e13db85ff9

Download Submit
memory/556-67-0x0000000000000000-mapping.dmp

Download
memory/676-72-0x0000000000432000-0x000000000044AA00-memory.dmp

Filesize
98KB

Download
memory/676-75-0x000000000044B000-0x000000000044C000-memory.dmp

Filesize
4KB

Download
memory/676-78-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/676-76-0x0000000000400000-0x0000000000401000-memory.dmp

Filesize
4KB

Download
memory/676-73-0x000000000044B000-0x000000000044C000-memory.dmp

Filesize
4KB

Download
memory/676-69-0x0000000000000000-mapping.dmp

Download
memory/1360-79-0x00000000026B0000-0x00000000026CE000-memory.dmp

Filesize
120KB

Download
memory/1744-59-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1744-58-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1744-56-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1744-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1744-54-0x0000000000000000-mapping.dmp

Download
memory/1744-55-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1744-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1744-61-0x0000000075BB1000-0x0000000075BB3000-memory.dmp

Filesize
8KB

Download
memory/1744-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1744-77-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1744-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads