metasploit | 14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b

General

Target

14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe
Size

152KB
MD5

25cfa704b74f2695409a124ab9712697
SHA1

572dbc65219d399aaa10f99679996ee4ab69ec2a
SHA256

14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b
SHA512

1362676858f66b65667e4cb7e46e0469f68b1d95de3a4f5532eefdbbf2b08c6b133552f847a1e5bcde7b9eeb80e724c1dcdf44b4ab0d9309ff6655bd0029241c
SSDEEP

3072:GWz3cdh5z9oo2oooEo05oooooooooooooooooooooooootnR2uvfLjbOSEUBpoMb:xMxfbOSppNMf4/7WtP/g

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
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
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpnp32.exe

Executes dropped EXE 2 IoCs

Processes:

wmpnp32.exewmpnp32.exe

pid process

1240 wmpnp32.exe
1208 wmpnp32.exe

pid	process
1240	wmpnp32.exe
1208	wmpnp32.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1892-56-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1892-58-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1892-59-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1892-62-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1892-63-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1892-64-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1892-65-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1892-80-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1208-81-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1208-82-0x0000000000400000-0x000000000044C000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

wmpnp32.exe

pid process

1208 wmpnp32.exe
Loads dropped DLL 1 IoCs

Processes:

14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe

pid process

1892 14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe

pid	process
1208	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:

14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exewmpnp32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.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

Drops file in System32 directory 4 IoCs

Processes:

14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exewmpnp32.exe

description	ioc	process
File created	C:\Windows\SysWOW64\wmpnp32.exe	14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe
File opened for modification	C:\Windows\SysWOW64\	wmpnp32.exe
File opened for modification	C:\Windows\SysWOW64\	14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe
File opened for modification	C:\Windows\SysWOW64\wmpnp32.exe	14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exewmpnp32.exe

description	pid	process	target process
PID 944 set thread context of 1892	944	14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe	14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe
PID 1240 set thread context of 1208	1240	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:

14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exewmpnp32.exe

pid	process
1892	14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe
1892	14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe
1208	wmpnp32.exe
1208	wmpnp32.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exewmpnp32.exewmpnp32.exe

description	pid	process	target process
PID 944 wrote to memory of 1892	944	14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe	14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe
PID 944 wrote to memory of 1892	944	14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe	14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe
PID 944 wrote to memory of 1892	944	14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe	14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe
PID 944 wrote to memory of 1892	944	14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe	14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe
PID 944 wrote to memory of 1892	944	14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe	14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe
PID 944 wrote to memory of 1892	944	14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe	14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe
PID 944 wrote to memory of 1892	944	14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe	14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe
PID 1892 wrote to memory of 1240	1892	14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe	wmpnp32.exe
PID 1892 wrote to memory of 1240	1892	14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe	wmpnp32.exe
PID 1892 wrote to memory of 1240	1892	14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe	wmpnp32.exe
PID 1892 wrote to memory of 1240	1892	14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe	wmpnp32.exe
PID 1240 wrote to memory of 1208	1240	wmpnp32.exe	wmpnp32.exe
PID 1240 wrote to memory of 1208	1240	wmpnp32.exe	wmpnp32.exe
PID 1240 wrote to memory of 1208	1240	wmpnp32.exe	wmpnp32.exe
PID 1240 wrote to memory of 1208	1240	wmpnp32.exe	wmpnp32.exe
PID 1240 wrote to memory of 1208	1240	wmpnp32.exe	wmpnp32.exe
PID 1240 wrote to memory of 1208	1240	wmpnp32.exe	wmpnp32.exe
PID 1240 wrote to memory of 1208	1240	wmpnp32.exe	wmpnp32.exe
PID 1208 wrote to memory of 1192	1208	wmpnp32.exe	Explorer.EXE
PID 1208 wrote to memory of 1192	1208	wmpnp32.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192

C:\Users\Admin\AppData\Local\Temp\14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe
"C:\Users\Admin\AppData\Local\Temp\14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:944

C:\Users\Admin\AppData\Local\Temp\14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe
"C:\Users\Admin\AppData\Local\Temp\14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b.exe"
3⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1892

C:\Windows\SysWOW64\wmpnp32.exe
"C:\Windows\SysWOW64\wmpnp32.exe" C:\Users\Admin\AppData\Local\Temp\14CFFA~1.EXE
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1240

C:\Windows\SysWOW64\wmpnp32.exe
"C:\Windows\SysWOW64\wmpnp32.exe" C:\Users\Admin\AppData\Local\Temp\14CFFA~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:1208

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
152KB

MD5
25cfa704b74f2695409a124ab9712697

SHA1
572dbc65219d399aaa10f99679996ee4ab69ec2a

SHA256
14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b

SHA512
1362676858f66b65667e4cb7e46e0469f68b1d95de3a4f5532eefdbbf2b08c6b133552f847a1e5bcde7b9eeb80e724c1dcdf44b4ab0d9309ff6655bd0029241c

Download Submit
C:\Windows\SysWOW64\wmpnp32.exe
Filesize
152KB

MD5
25cfa704b74f2695409a124ab9712697

SHA1
572dbc65219d399aaa10f99679996ee4ab69ec2a

SHA256
14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b

SHA512
1362676858f66b65667e4cb7e46e0469f68b1d95de3a4f5532eefdbbf2b08c6b133552f847a1e5bcde7b9eeb80e724c1dcdf44b4ab0d9309ff6655bd0029241c

Download Submit
\Windows\SysWOW64\wmpnp32.exe
Filesize
152KB

MD5
25cfa704b74f2695409a124ab9712697

SHA1
572dbc65219d399aaa10f99679996ee4ab69ec2a

SHA256
14cffa469dcf0627b83298a1034459a2a94fee4f81f2a18a5fc7e6c6b0f5d91b

SHA512
1362676858f66b65667e4cb7e46e0469f68b1d95de3a4f5532eefdbbf2b08c6b133552f847a1e5bcde7b9eeb80e724c1dcdf44b4ab0d9309ff6655bd0029241c

Download Submit
memory/1192-83-0x0000000002A60000-0x0000000002A7E000-memory.dmp

Filesize
120KB

Download
memory/1208-82-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1208-81-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1208-69-0x0000000000000000-mapping.dmp

Download
memory/1240-67-0x0000000000000000-mapping.dmp

Download
memory/1892-59-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1892-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1892-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1892-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1892-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1892-61-0x0000000075C61000-0x0000000075C63000-memory.dmp

Filesize
8KB

Download
memory/1892-54-0x0000000000000000-mapping.dmp

Download
memory/1892-80-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1892-58-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1892-56-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1892-55-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads