metasploit | afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d

General

Target

afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe
Size

244KB
MD5

fe06eee14de5b3944f144eddbcc71a8e
SHA1

2011c57f270891aeb61f9d418a0d81ba1ec26878
SHA256

afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d
SHA512

c6fe835f50681765278f345a3ea7a5d5d4450e2f5c8886171365e723e63ba4243717cd429dae925a258941cea5df84dbf974f55d23777f8e1dc9de2665a99a37
SSDEEP

6144:lWW89YOyGoEOdQfsd9JxGkKak8k+ybc87FCNdtfQ4ML23g:lWEvGNkfhGkKak8k+K

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:

wmpcn64.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmpcn64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpcn64.exe = "C:\\Windows\\SysWOW64\\wmpcn64.exe:*:Enabled:Windows Media Control"	wmpcn64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpcn64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmpcn64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmpcn64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpcn64.exe = "C:\\Windows\\SysWOW64\\wmpcn64.exe:*:Enabled:Windows Media Control"	wmpcn64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpcn64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmpcn64.exe

Executes dropped EXE 2 IoCs

Processes:

wmpcn64.exewmpcn64.exe

pid process

3408 wmpcn64.exe
4108 wmpcn64.exe

pid	process
3408	wmpcn64.exe
4108	wmpcn64.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4796-133-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/4796-135-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/4796-136-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/4796-137-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/4796-141-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/4108-146-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/4108-147-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/4108-148-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/4108-149-0x0000000000400000-0x0000000000465000-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:

afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wmpcn64.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	wmpcn64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Media Control = "C:\\Windows\\SysWOW64\\wmpcn64.exe"	wmpcn64.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:

afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exewmpcn64.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpcn64.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpcn64.exe

Drops file in System32 directory 5 IoCs

Processes:

wmpcn64.exeafb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\wmpcn64.exe	wmpcn64.exe
File opened for modification	C:\Windows\SysWOW64\	afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe
File opened for modification	C:\Windows\SysWOW64\wmpcn64.exe	afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe
File created	C:\Windows\SysWOW64\wmpcn64.exe	afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe
File opened for modification	C:\Windows\SysWOW64\	wmpcn64.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exewmpcn64.exe

description	pid	process	target process
PID 4944 set thread context of 4796	4944	afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe	afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe
PID 3408 set thread context of 4108	3408	wmpcn64.exe	wmpcn64.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:

afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exewmpcn64.exe

pid	process
4796	afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe
4796	afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe
4796	afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe
4796	afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe
4108	wmpcn64.exe
4108	wmpcn64.exe
4108	wmpcn64.exe
4108	wmpcn64.exe
4108	wmpcn64.exe
4108	wmpcn64.exe
4108	wmpcn64.exe
4108	wmpcn64.exe
4108	wmpcn64.exe
4108	wmpcn64.exe
4108	wmpcn64.exe
4108	wmpcn64.exe
4108	wmpcn64.exe
4108	wmpcn64.exe
4108	wmpcn64.exe
4108	wmpcn64.exe
4108	wmpcn64.exe
4108	wmpcn64.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exeafb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exewmpcn64.exewmpcn64.exe

description	pid	process	target process
PID 4944 wrote to memory of 4796	4944	afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe	afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe
PID 4944 wrote to memory of 4796	4944	afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe	afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe
PID 4944 wrote to memory of 4796	4944	afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe	afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe
PID 4944 wrote to memory of 4796	4944	afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe	afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe
PID 4944 wrote to memory of 4796	4944	afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe	afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe
PID 4944 wrote to memory of 4796	4944	afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe	afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe
PID 4944 wrote to memory of 4796	4944	afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe	afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe
PID 4944 wrote to memory of 4796	4944	afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe	afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe
PID 4796 wrote to memory of 3408	4796	afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe	wmpcn64.exe
PID 4796 wrote to memory of 3408	4796	afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe	wmpcn64.exe
PID 4796 wrote to memory of 3408	4796	afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe	wmpcn64.exe
PID 3408 wrote to memory of 4108	3408	wmpcn64.exe	wmpcn64.exe
PID 3408 wrote to memory of 4108	3408	wmpcn64.exe	wmpcn64.exe
PID 3408 wrote to memory of 4108	3408	wmpcn64.exe	wmpcn64.exe
PID 3408 wrote to memory of 4108	3408	wmpcn64.exe	wmpcn64.exe
PID 3408 wrote to memory of 4108	3408	wmpcn64.exe	wmpcn64.exe
PID 3408 wrote to memory of 4108	3408	wmpcn64.exe	wmpcn64.exe
PID 3408 wrote to memory of 4108	3408	wmpcn64.exe	wmpcn64.exe
PID 3408 wrote to memory of 4108	3408	wmpcn64.exe	wmpcn64.exe
PID 4108 wrote to memory of 3048	4108	wmpcn64.exe	Explorer.EXE
PID 4108 wrote to memory of 3048	4108	wmpcn64.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3048

C:\Users\Admin\AppData\Local\Temp\afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe
"C:\Users\Admin\AppData\Local\Temp\afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4944

C:\Users\Admin\AppData\Local\Temp\afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.exe
"C:\Users\Admin\AppData\Local\Temp\afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d.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:4796

C:\Windows\SysWOW64\wmpcn64.exe
"C:\Windows\SysWOW64\wmpcn64.exe" C:\Users\Admin\AppData\Local\Temp\AFB123~1.EXE
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3408

C:\Windows\SysWOW64\wmpcn64.exe
"C:\Windows\SysWOW64\wmpcn64.exe" C:\Users\Admin\AppData\Local\Temp\AFB123~1.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:4108

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\wmpcn64.exe
Filesize
244KB

MD5
fe06eee14de5b3944f144eddbcc71a8e

SHA1
2011c57f270891aeb61f9d418a0d81ba1ec26878

SHA256
afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d

SHA512
c6fe835f50681765278f345a3ea7a5d5d4450e2f5c8886171365e723e63ba4243717cd429dae925a258941cea5df84dbf974f55d23777f8e1dc9de2665a99a37

Download Submit
C:\Windows\SysWOW64\wmpcn64.exe
Filesize
244KB

MD5
fe06eee14de5b3944f144eddbcc71a8e

SHA1
2011c57f270891aeb61f9d418a0d81ba1ec26878

SHA256
afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d

SHA512
c6fe835f50681765278f345a3ea7a5d5d4450e2f5c8886171365e723e63ba4243717cd429dae925a258941cea5df84dbf974f55d23777f8e1dc9de2665a99a37

Download Submit
C:\Windows\SysWOW64\wmpcn64.exe
Filesize
244KB

MD5
fe06eee14de5b3944f144eddbcc71a8e

SHA1
2011c57f270891aeb61f9d418a0d81ba1ec26878

SHA256
afb1231f95d1c950356af88d21062a01e02110614d3d06e0f18cb665d080a04d

SHA512
c6fe835f50681765278f345a3ea7a5d5d4450e2f5c8886171365e723e63ba4243717cd429dae925a258941cea5df84dbf974f55d23777f8e1dc9de2665a99a37

Download Submit
memory/3408-138-0x0000000000000000-mapping.dmp

Download
memory/4108-142-0x0000000000000000-mapping.dmp

Download
memory/4108-146-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/4108-147-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/4108-148-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/4108-149-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/4796-137-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/4796-136-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/4796-135-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/4796-141-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/4796-132-0x0000000000000000-mapping.dmp

Download
memory/4796-133-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads