metasploit | 11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b

General

Target

11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe
Size

245KB
MD5

3bb9b752591fa1203fe803edad35857c
SHA1

da11e4415e5ceaf5f055636f0024502e100c2476
SHA256

11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b
SHA512

b5de6c75517e0fb69bba6bb9a5f657456ae45f23972b3cd27570cab046d2d2f68598ac70aaee63f100b8e220566369948c68cbd605aeab39c2160245fb59ed87

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 8 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

wmpsh32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpsh32.exe = "C:\\Windows\\SysWOW64\\wmpsh32.exe:*:Enabled:Windows Media Content Sharing"	wmpsh32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpsh32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmpsh32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmpsh32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpsh32.exe = "C:\\Windows\\SysWOW64\\wmpsh32.exe:*:Enabled:Windows Media Content Sharing"	wmpsh32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpsh32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmpsh32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmpsh32.exe

Executes dropped EXE 2 IoCs

Processes:

wmpsh32.exewmpsh32.exe

pid process

2588 wmpsh32.exe
1808 wmpsh32.exe

pid	process
2588	wmpsh32.exe
1808	wmpsh32.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3656-131-0x0000000000400000-0x0000000000466000-memory.dmp	upx
behavioral2/memory/3656-133-0x0000000000400000-0x0000000000466000-memory.dmp	upx
behavioral2/memory/3656-134-0x0000000000400000-0x0000000000466000-memory.dmp	upx
behavioral2/memory/3656-135-0x0000000000400000-0x0000000000466000-memory.dmp	upx
behavioral2/memory/3656-140-0x0000000000400000-0x0000000000466000-memory.dmp	upx
behavioral2/memory/1808-145-0x0000000000400000-0x0000000000466000-memory.dmp	upx
behavioral2/memory/1808-144-0x0000000000400000-0x0000000000466000-memory.dmp	upx
behavioral2/memory/1808-146-0x0000000000400000-0x0000000000466000-memory.dmp	upx
behavioral2/memory/1808-147-0x0000000000400000-0x0000000000466000-memory.dmp	upx

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wmpsh32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	wmpsh32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Media Content Sharing = "C:\\Windows\\SysWOW64\\wmpsh32.exe"	wmpsh32.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:

11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exewmpsh32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpsh32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpsh32.exe

Drops file in System32 directory 5 IoCs

Processes:

11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exewmpsh32.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\	11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe
File opened for modification	C:\Windows\SysWOW64\wmpsh32.exe	11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe
File created	C:\Windows\SysWOW64\wmpsh32.exe	11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe
File opened for modification	C:\Windows\SysWOW64\	wmpsh32.exe
File opened for modification	C:\Windows\SysWOW64\wmpsh32.exe	wmpsh32.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exewmpsh32.exe

description	pid	process	target process
PID 5040 set thread context of 3656	5040	11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe	11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe
PID 2588 set thread context of 1808	2588	wmpsh32.exe	wmpsh32.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

Processes:

11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exewmpsh32.exe

pid	process
3656	11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe
3656	11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe
3656	11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe
3656	11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe
1808	wmpsh32.exe
1808	wmpsh32.exe
1808	wmpsh32.exe
1808	wmpsh32.exe
1808	wmpsh32.exe
1808	wmpsh32.exe
1808	wmpsh32.exe
1808	wmpsh32.exe
1808	wmpsh32.exe
1808	wmpsh32.exe
1808	wmpsh32.exe
1808	wmpsh32.exe
1808	wmpsh32.exe
1808	wmpsh32.exe
1808	wmpsh32.exe
1808	wmpsh32.exe
1808	wmpsh32.exe
1808	wmpsh32.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exewmpsh32.exewmpsh32.exe

description	pid	process	target process
PID 5040 wrote to memory of 3656	5040	11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe	11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe
PID 5040 wrote to memory of 3656	5040	11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe	11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe
PID 5040 wrote to memory of 3656	5040	11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe	11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe
PID 5040 wrote to memory of 3656	5040	11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe	11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe
PID 5040 wrote to memory of 3656	5040	11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe	11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe
PID 5040 wrote to memory of 3656	5040	11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe	11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe
PID 5040 wrote to memory of 3656	5040	11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe	11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe
PID 5040 wrote to memory of 3656	5040	11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe	11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe
PID 3656 wrote to memory of 2588	3656	11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe	wmpsh32.exe
PID 3656 wrote to memory of 2588	3656	11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe	wmpsh32.exe
PID 3656 wrote to memory of 2588	3656	11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe	wmpsh32.exe
PID 2588 wrote to memory of 1808	2588	wmpsh32.exe	wmpsh32.exe
PID 2588 wrote to memory of 1808	2588	wmpsh32.exe	wmpsh32.exe
PID 2588 wrote to memory of 1808	2588	wmpsh32.exe	wmpsh32.exe
PID 2588 wrote to memory of 1808	2588	wmpsh32.exe	wmpsh32.exe
PID 2588 wrote to memory of 1808	2588	wmpsh32.exe	wmpsh32.exe
PID 2588 wrote to memory of 1808	2588	wmpsh32.exe	wmpsh32.exe
PID 2588 wrote to memory of 1808	2588	wmpsh32.exe	wmpsh32.exe
PID 2588 wrote to memory of 1808	2588	wmpsh32.exe	wmpsh32.exe
PID 1808 wrote to memory of 3164	1808	wmpsh32.exe	Explorer.EXE
PID 1808 wrote to memory of 3164	1808	wmpsh32.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3164

C:\Users\Admin\AppData\Local\Temp\11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe
"C:\Users\Admin\AppData\Local\Temp\11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5040

C:\Users\Admin\AppData\Local\Temp\11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe
"C:\Users\Admin\AppData\Local\Temp\11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b.exe"
3⤵
- Checks computer location settings
- Maps connected drives based on registry
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3656

C:\Windows\SysWOW64\wmpsh32.exe
"C:\Windows\SysWOW64\wmpsh32.exe" C:\Users\Admin\AppData\Local\Temp\11C871~1.EXE
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2588

C:\Windows\SysWOW64\wmpsh32.exe
"C:\Windows\SysWOW64\wmpsh32.exe" C:\Users\Admin\AppData\Local\Temp\11C871~1.EXE
5⤵
- Modifies firewall policy service
- Executes dropped EXE
- 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:1808

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

2

T1012

System Information Discovery

3

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Windows\SysWOW64\wmpsh32.exe
Filesize
245KB

MD5
3bb9b752591fa1203fe803edad35857c

SHA1
da11e4415e5ceaf5f055636f0024502e100c2476

SHA256
11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b

SHA512
b5de6c75517e0fb69bba6bb9a5f657456ae45f23972b3cd27570cab046d2d2f68598ac70aaee63f100b8e220566369948c68cbd605aeab39c2160245fb59ed87

Download Submit
C:\Windows\SysWOW64\wmpsh32.exe
Filesize
245KB

MD5
3bb9b752591fa1203fe803edad35857c

SHA1
da11e4415e5ceaf5f055636f0024502e100c2476

SHA256
11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b

SHA512
b5de6c75517e0fb69bba6bb9a5f657456ae45f23972b3cd27570cab046d2d2f68598ac70aaee63f100b8e220566369948c68cbd605aeab39c2160245fb59ed87

Download Submit
C:\Windows\SysWOW64\wmpsh32.exe
Filesize
245KB

MD5
3bb9b752591fa1203fe803edad35857c

SHA1
da11e4415e5ceaf5f055636f0024502e100c2476

SHA256
11c871395406ad11b229d9bf9c59321e2c6824f00cc673d0e5f60601e702180b

SHA512
b5de6c75517e0fb69bba6bb9a5f657456ae45f23972b3cd27570cab046d2d2f68598ac70aaee63f100b8e220566369948c68cbd605aeab39c2160245fb59ed87

Download Submit
memory/1808-147-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1808-146-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1808-144-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1808-145-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1808-139-0x0000000000000000-mapping.dmp

Download
memory/2588-136-0x0000000000000000-mapping.dmp

Download
memory/3656-134-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/3656-140-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/3656-135-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/3656-130-0x0000000000000000-mapping.dmp

Download
memory/3656-133-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/3656-131-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads