metasploit | c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9

General

Target

c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe
Size

285KB
MD5

2dfc663706536acc450cc1d76f6eaa93
SHA1

c40cd530b455d93347e7eb1862c201d8a1c22720
SHA256

c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9
SHA512

b1675eae1301c14bfc47a8b46b5b4c2124475697ba6f214ad2134f4b05080a38ebd82310949d8a3f7a7ebec39a5a2ec7dd541a7685e89103382861bf182b0e77
SSDEEP

6144:dbkd8IlEOt3VKpSu7STQOPX8NANAqQvt595FA1ZO:Od8ICOt3cpv7Z5NASqQvt0O

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:

wmpad64.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmpad64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmpad64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpad64.exe = "C:\\Windows\\SysWOW64\\wmpad64.exe:*:Enabled:Windows Media App"	wmpad64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpad64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmpad64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmpad64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpad64.exe = "C:\\Windows\\SysWOW64\\wmpad64.exe:*:Enabled:Windows Media App"	wmpad64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpad64.exe

Executes dropped EXE 2 IoCs

Processes:

wmpad64.exewmpad64.exe

pid process

668 wmpad64.exe
3136 wmpad64.exe

pid	process
668	wmpad64.exe
3136	wmpad64.exe

Sets file execution options in registry 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wmpad64.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MsMpEng.exe	wmpad64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MsMpEng.exe\Debugger = "CMD /C>null"	wmpad64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe	wmpad64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe\Debugger = "CMD /C>null"	wmpad64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\epplauncher.exe	wmpad64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\epplauncher.exe\Debugger = "CMD /C>null"	wmpad64.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4780-133-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral2/memory/4780-135-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral2/memory/4780-136-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral2/memory/4780-137-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral2/memory/4780-141-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral2/memory/3136-146-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral2/memory/3136-147-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral2/memory/3136-148-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral2/memory/3136-149-0x0000000000400000-0x0000000000463000-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:

c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wmpad64.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	wmpad64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Media App = "C:\\Windows\\SysWOW64\\wmpad64.exe"	wmpad64.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:

wmpad64.exec9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpad64.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpad64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe

Drops file in System32 directory 5 IoCs

Processes:

c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exewmpad64.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\	c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe
File opened for modification	C:\Windows\SysWOW64\wmpad64.exe	c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe
File created	C:\Windows\SysWOW64\wmpad64.exe	c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe
File opened for modification	C:\Windows\SysWOW64\	wmpad64.exe
File opened for modification	C:\Windows\SysWOW64\wmpad64.exe	wmpad64.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exewmpad64.exe

description	pid	process	target process
PID 2368 set thread context of 4780	2368	c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe	c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe
PID 668 set thread context of 3136	668	wmpad64.exe	wmpad64.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:

c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exewmpad64.exe

pid	process
4780	c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe
4780	c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe
4780	c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe
4780	c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe
3136	wmpad64.exe
3136	wmpad64.exe
3136	wmpad64.exe
3136	wmpad64.exe
3136	wmpad64.exe
3136	wmpad64.exe
3136	wmpad64.exe
3136	wmpad64.exe
3136	wmpad64.exe
3136	wmpad64.exe
3136	wmpad64.exe
3136	wmpad64.exe
3136	wmpad64.exe
3136	wmpad64.exe
3136	wmpad64.exe
3136	wmpad64.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exec9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exewmpad64.exewmpad64.exe

description	pid	process	target process
PID 2368 wrote to memory of 4780	2368	c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe	c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe
PID 2368 wrote to memory of 4780	2368	c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe	c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe
PID 2368 wrote to memory of 4780	2368	c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe	c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe
PID 2368 wrote to memory of 4780	2368	c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe	c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe
PID 2368 wrote to memory of 4780	2368	c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe	c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe
PID 2368 wrote to memory of 4780	2368	c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe	c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe
PID 2368 wrote to memory of 4780	2368	c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe	c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe
PID 2368 wrote to memory of 4780	2368	c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe	c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe
PID 4780 wrote to memory of 668	4780	c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe	wmpad64.exe
PID 4780 wrote to memory of 668	4780	c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe	wmpad64.exe
PID 4780 wrote to memory of 668	4780	c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe	wmpad64.exe
PID 668 wrote to memory of 3136	668	wmpad64.exe	wmpad64.exe
PID 668 wrote to memory of 3136	668	wmpad64.exe	wmpad64.exe
PID 668 wrote to memory of 3136	668	wmpad64.exe	wmpad64.exe
PID 668 wrote to memory of 3136	668	wmpad64.exe	wmpad64.exe
PID 668 wrote to memory of 3136	668	wmpad64.exe	wmpad64.exe
PID 668 wrote to memory of 3136	668	wmpad64.exe	wmpad64.exe
PID 668 wrote to memory of 3136	668	wmpad64.exe	wmpad64.exe
PID 668 wrote to memory of 3136	668	wmpad64.exe	wmpad64.exe
PID 3136 wrote to memory of 760	3136	wmpad64.exe	Explorer.EXE
PID 3136 wrote to memory of 760	3136	wmpad64.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:760

C:\Users\Admin\AppData\Local\Temp\c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe
"C:\Users\Admin\AppData\Local\Temp\c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2368

C:\Users\Admin\AppData\Local\Temp\c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.exe
"C:\Users\Admin\AppData\Local\Temp\c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9.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:4780

C:\Windows\SysWOW64\wmpad64.exe
"C:\Windows\SysWOW64\wmpad64.exe" C:\Users\Admin\AppData\Local\Temp\C9D263~1.EXE
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:668

C:\Windows\SysWOW64\wmpad64.exe
"C:\Windows\SysWOW64\wmpad64.exe" C:\Users\Admin\AppData\Local\Temp\C9D263~1.EXE
5⤵
- Modifies firewall policy service
- Executes dropped EXE
- Sets file execution options in registry
- 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:3136

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

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\wmpad64.exe
Filesize
285KB

MD5
2dfc663706536acc450cc1d76f6eaa93

SHA1
c40cd530b455d93347e7eb1862c201d8a1c22720

SHA256
c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9

SHA512
b1675eae1301c14bfc47a8b46b5b4c2124475697ba6f214ad2134f4b05080a38ebd82310949d8a3f7a7ebec39a5a2ec7dd541a7685e89103382861bf182b0e77

Download Submit
C:\Windows\SysWOW64\wmpad64.exe
Filesize
285KB

MD5
2dfc663706536acc450cc1d76f6eaa93

SHA1
c40cd530b455d93347e7eb1862c201d8a1c22720

SHA256
c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9

SHA512
b1675eae1301c14bfc47a8b46b5b4c2124475697ba6f214ad2134f4b05080a38ebd82310949d8a3f7a7ebec39a5a2ec7dd541a7685e89103382861bf182b0e77

Download Submit
C:\Windows\SysWOW64\wmpad64.exe
Filesize
285KB

MD5
2dfc663706536acc450cc1d76f6eaa93

SHA1
c40cd530b455d93347e7eb1862c201d8a1c22720

SHA256
c9d263a51b77be5af25bbf4f9caa01e81ddb965ebb369df4fa704d4a059affd9

SHA512
b1675eae1301c14bfc47a8b46b5b4c2124475697ba6f214ad2134f4b05080a38ebd82310949d8a3f7a7ebec39a5a2ec7dd541a7685e89103382861bf182b0e77

Download Submit
memory/668-138-0x0000000000000000-mapping.dmp

Download
memory/3136-142-0x0000000000000000-mapping.dmp

Download
memory/3136-146-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/3136-147-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/3136-148-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/3136-149-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/4780-137-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/4780-136-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/4780-135-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/4780-141-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/4780-132-0x0000000000000000-mapping.dmp

Download
memory/4780-133-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads