metasploit | b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15

General

Target

b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe
Size

255KB
MD5

45f85a3e733cf2c004b43088103a63d5
SHA1

c225842823dace2bbd8e9cc1f43a7a18baa7f826
SHA256

b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15
SHA512

03a23c84db84b9a17a1806b20d8198e701a6d1287872aea9b7762ca0095e5baf66a5bd9eca7e2343ac3b92bcefedc33f511b8774b1b83417999c0c3453b57729
SSDEEP

3072:1/wQZtZRx5Jx0Lm2U3FEwAXDLXZAXT7xbRk2B:1dv3Umt6XDVAXJRf

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:

wmpdr64.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdr64.exe = "C:\\Windows\\SysWOW64\\wmpdr64.exe:*:Enabled:Windows Media Driver"	wmpdr64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpdr64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdr64.exe = "C:\\Windows\\SysWOW64\\wmpdr64.exe:*:Enabled:Windows Media Driver"	wmpdr64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpdr64.exe

Executes dropped EXE 2 IoCs

Processes:

wmpdr64.exewmpdr64.exe

pid process

1728 wmpdr64.exe
1976 wmpdr64.exe

pid	process
1728	wmpdr64.exe
1976	wmpdr64.exe

UPX packed file 13 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/744-55-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/744-57-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/744-58-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/744-60-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/744-64-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/744-65-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/744-66-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/744-67-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/744-72-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1976-85-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1976-86-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1976-87-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1976-88-0x0000000000400000-0x0000000000464000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

wmpdr64.exe

pid process

1976 wmpdr64.exe

pid	process
1976	wmpdr64.exe

Loads dropped DLL 2 IoCs

Processes:

b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe

pid	process
744	b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe
744	b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wmpdr64.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	wmpdr64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Media Driver = "C:\\Windows\\SysWOW64\\wmpdr64.exe"	wmpdr64.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:

b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exewmpdr64.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpdr64.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	wmpdr64.exe

Drops file in System32 directory 5 IoCs

Processes:

wmpdr64.exeb47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\wmpdr64.exe	wmpdr64.exe
File opened for modification	C:\Windows\SysWOW64\	b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe
File opened for modification	C:\Windows\SysWOW64\wmpdr64.exe	b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe
File created	C:\Windows\SysWOW64\wmpdr64.exe	b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe
File opened for modification	C:\Windows\SysWOW64\	wmpdr64.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exewmpdr64.exe

description	pid	process	target process
PID 1660 set thread context of 744	1660	b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe	b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe
PID 1728 set thread context of 1976	1728	wmpdr64.exe	wmpdr64.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 7 IoCs

Processes:

b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exewmpdr64.exe

pid	process
744	b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe
744	b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe
1976	wmpdr64.exe
1976	wmpdr64.exe
1976	wmpdr64.exe
1976	wmpdr64.exe
1976	wmpdr64.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exeb47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exewmpdr64.exewmpdr64.exe

description	pid	process	target process
PID 1660 wrote to memory of 744	1660	b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe	b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe
PID 1660 wrote to memory of 744	1660	b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe	b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe
PID 1660 wrote to memory of 744	1660	b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe	b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe
PID 1660 wrote to memory of 744	1660	b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe	b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe
PID 1660 wrote to memory of 744	1660	b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe	b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe
PID 1660 wrote to memory of 744	1660	b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe	b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe
PID 1660 wrote to memory of 744	1660	b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe	b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe
PID 1660 wrote to memory of 744	1660	b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe	b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe
PID 744 wrote to memory of 1728	744	b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe	wmpdr64.exe
PID 744 wrote to memory of 1728	744	b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe	wmpdr64.exe
PID 744 wrote to memory of 1728	744	b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe	wmpdr64.exe
PID 744 wrote to memory of 1728	744	b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe	wmpdr64.exe
PID 1728 wrote to memory of 1976	1728	wmpdr64.exe	wmpdr64.exe
PID 1728 wrote to memory of 1976	1728	wmpdr64.exe	wmpdr64.exe
PID 1728 wrote to memory of 1976	1728	wmpdr64.exe	wmpdr64.exe
PID 1728 wrote to memory of 1976	1728	wmpdr64.exe	wmpdr64.exe
PID 1728 wrote to memory of 1976	1728	wmpdr64.exe	wmpdr64.exe
PID 1728 wrote to memory of 1976	1728	wmpdr64.exe	wmpdr64.exe
PID 1728 wrote to memory of 1976	1728	wmpdr64.exe	wmpdr64.exe
PID 1728 wrote to memory of 1976	1728	wmpdr64.exe	wmpdr64.exe
PID 1976 wrote to memory of 1376	1976	wmpdr64.exe	Explorer.EXE
PID 1976 wrote to memory of 1376	1976	wmpdr64.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1376

C:\Users\Admin\AppData\Local\Temp\b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe
"C:\Users\Admin\AppData\Local\Temp\b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1660

C:\Users\Admin\AppData\Local\Temp\b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe
"C:\Users\Admin\AppData\Local\Temp\b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15.exe"
3⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:744

C:\Windows\SysWOW64\wmpdr64.exe
"C:\Windows\SysWOW64\wmpdr64.exe" C:\Users\Admin\AppData\Local\Temp\B47E29~1.EXE
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1728

C:\Windows\SysWOW64\wmpdr64.exe
"C:\Windows\SysWOW64\wmpdr64.exe" C:\Users\Admin\AppData\Local\Temp\B47E29~1.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:1976

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\wmpdr64.exe
Filesize
255KB

MD5
45f85a3e733cf2c004b43088103a63d5

SHA1
c225842823dace2bbd8e9cc1f43a7a18baa7f826

SHA256
b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15

SHA512
03a23c84db84b9a17a1806b20d8198e701a6d1287872aea9b7762ca0095e5baf66a5bd9eca7e2343ac3b92bcefedc33f511b8774b1b83417999c0c3453b57729

Download Submit
C:\Windows\SysWOW64\wmpdr64.exe
Filesize
255KB

MD5
45f85a3e733cf2c004b43088103a63d5

SHA1
c225842823dace2bbd8e9cc1f43a7a18baa7f826

SHA256
b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15

SHA512
03a23c84db84b9a17a1806b20d8198e701a6d1287872aea9b7762ca0095e5baf66a5bd9eca7e2343ac3b92bcefedc33f511b8774b1b83417999c0c3453b57729

Download Submit
C:\Windows\SysWOW64\wmpdr64.exe
Filesize
255KB

MD5
45f85a3e733cf2c004b43088103a63d5

SHA1
c225842823dace2bbd8e9cc1f43a7a18baa7f826

SHA256
b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15

SHA512
03a23c84db84b9a17a1806b20d8198e701a6d1287872aea9b7762ca0095e5baf66a5bd9eca7e2343ac3b92bcefedc33f511b8774b1b83417999c0c3453b57729

Download Submit
\Windows\SysWOW64\wmpdr64.exe
Filesize
255KB

MD5
45f85a3e733cf2c004b43088103a63d5

SHA1
c225842823dace2bbd8e9cc1f43a7a18baa7f826

SHA256
b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15

SHA512
03a23c84db84b9a17a1806b20d8198e701a6d1287872aea9b7762ca0095e5baf66a5bd9eca7e2343ac3b92bcefedc33f511b8774b1b83417999c0c3453b57729

Download Submit
\Windows\SysWOW64\wmpdr64.exe
Filesize
255KB

MD5
45f85a3e733cf2c004b43088103a63d5

SHA1
c225842823dace2bbd8e9cc1f43a7a18baa7f826

SHA256
b47e29f6b76061bec34bfdc67d6ffafbb8b25c5a97c027e23bedb36b7d10ee15

SHA512
03a23c84db84b9a17a1806b20d8198e701a6d1287872aea9b7762ca0095e5baf66a5bd9eca7e2343ac3b92bcefedc33f511b8774b1b83417999c0c3453b57729

Download Submit
memory/744-60-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/744-67-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/744-64-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/744-65-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/744-66-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/744-61-0x000000000044F450-mapping.dmp

Download
memory/744-57-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/744-54-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/744-58-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/744-63-0x0000000075FB1000-0x0000000075FB3000-memory.dmp

Filesize
8KB

Download
memory/744-72-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/744-55-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1376-89-0x0000000002720000-0x000000000273E000-memory.dmp

Filesize
120KB

Download
memory/1728-70-0x0000000000000000-mapping.dmp

Download
memory/1976-81-0x000000000044F450-mapping.dmp

Download
memory/1976-85-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1976-86-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1976-87-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1976-88-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads