metasploit | ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f

General

Target

ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe
Size

249KB
MD5

1bed964735e9a19f4e1ca09e8a61e60d
SHA1

53105df2de13bf0416d09c88a2c254221e60e9ae
SHA256

ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f
SHA512

32656feb69915b41289e72bb6608eb4c385d77b62285f4ea9fd09dfd6c5b6a6cc0287174457f43e6227efb9f3f2c7362709b9739927907db03f994f7b6c115ad
SSDEEP

3072:azGbs5CPFpid7aB+PuUoEPnBRUzPkPWv5WKuznt+DxME/+Veo/B6dcLSHaSVLkB9:RbrpkB/nBmFunUm56dqYy

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:

wmpcl64.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmpcl64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpcl64.exe = "C:\\Windows\\SysWOW64\\wmpcl64.exe:*:Enabled:Windows Media Device"	wmpcl64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpcl64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmpcl64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmpcl64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpcl64.exe = "C:\\Windows\\SysWOW64\\wmpcl64.exe:*:Enabled:Windows Media Device"	wmpcl64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpcl64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmpcl64.exe

Executes dropped EXE 2 IoCs

Processes:

wmpcl64.exewmpcl64.exe

pid process

3744 wmpcl64.exe
500 wmpcl64.exe

pid	process
3744	wmpcl64.exe
500	wmpcl64.exe

UPX packed file 8 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2480-133-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/2480-135-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/2480-136-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/2480-137-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/2480-141-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/500-148-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/500-149-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/500-150-0x0000000000400000-0x0000000000461000-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:

ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wmpcl64.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	wmpcl64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Media Device = "C:\\Windows\\SysWOW64\\wmpcl64.exe"	wmpcl64.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:

wmpcl64.execa1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpcl64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpcl64.exe

Drops file in System32 directory 5 IoCs

Processes:

wmpcl64.execa1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\wmpcl64.exe	wmpcl64.exe
File opened for modification	C:\Windows\SysWOW64\	ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe
File opened for modification	C:\Windows\SysWOW64\wmpcl64.exe	ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe
File created	C:\Windows\SysWOW64\wmpcl64.exe	ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe
File opened for modification	C:\Windows\SysWOW64\	wmpcl64.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exewmpcl64.exe

description	pid	process	target process
PID 5012 set thread context of 2480	5012	ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe	ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe
PID 3744 set thread context of 500	3744	wmpcl64.exe	wmpcl64.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:

ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exewmpcl64.exe

pid	process
2480	ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe
2480	ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe
2480	ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe
2480	ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe
500	wmpcl64.exe
500	wmpcl64.exe
500	wmpcl64.exe
500	wmpcl64.exe
500	wmpcl64.exe
500	wmpcl64.exe
500	wmpcl64.exe
500	wmpcl64.exe
500	wmpcl64.exe
500	wmpcl64.exe
500	wmpcl64.exe
500	wmpcl64.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.execa1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exewmpcl64.exewmpcl64.exe

description	pid	process	target process
PID 5012 wrote to memory of 2480	5012	ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe	ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe
PID 5012 wrote to memory of 2480	5012	ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe	ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe
PID 5012 wrote to memory of 2480	5012	ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe	ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe
PID 5012 wrote to memory of 2480	5012	ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe	ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe
PID 5012 wrote to memory of 2480	5012	ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe	ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe
PID 5012 wrote to memory of 2480	5012	ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe	ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe
PID 5012 wrote to memory of 2480	5012	ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe	ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe
PID 5012 wrote to memory of 2480	5012	ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe	ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe
PID 2480 wrote to memory of 3744	2480	ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe	wmpcl64.exe
PID 2480 wrote to memory of 3744	2480	ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe	wmpcl64.exe
PID 2480 wrote to memory of 3744	2480	ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe	wmpcl64.exe
PID 3744 wrote to memory of 500	3744	wmpcl64.exe	wmpcl64.exe
PID 3744 wrote to memory of 500	3744	wmpcl64.exe	wmpcl64.exe
PID 3744 wrote to memory of 500	3744	wmpcl64.exe	wmpcl64.exe
PID 3744 wrote to memory of 500	3744	wmpcl64.exe	wmpcl64.exe
PID 3744 wrote to memory of 500	3744	wmpcl64.exe	wmpcl64.exe
PID 3744 wrote to memory of 500	3744	wmpcl64.exe	wmpcl64.exe
PID 3744 wrote to memory of 500	3744	wmpcl64.exe	wmpcl64.exe
PID 3744 wrote to memory of 500	3744	wmpcl64.exe	wmpcl64.exe
PID 500 wrote to memory of 2696	500	wmpcl64.exe	Explorer.EXE
PID 500 wrote to memory of 2696	500	wmpcl64.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:2696

C:\Users\Admin\AppData\Local\Temp\ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe
"C:\Users\Admin\AppData\Local\Temp\ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5012

C:\Users\Admin\AppData\Local\Temp\ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.exe
"C:\Users\Admin\AppData\Local\Temp\ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f.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:2480

C:\Windows\SysWOW64\wmpcl64.exe
"C:\Windows\SysWOW64\wmpcl64.exe" C:\Users\Admin\AppData\Local\Temp\CA1441~1.EXE
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3744

C:\Windows\SysWOW64\wmpcl64.exe
"C:\Windows\SysWOW64\wmpcl64.exe" C:\Users\Admin\AppData\Local\Temp\CA1441~1.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:500

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\wmpcl64.exe
Filesize
249KB

MD5
1bed964735e9a19f4e1ca09e8a61e60d

SHA1
53105df2de13bf0416d09c88a2c254221e60e9ae

SHA256
ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f

SHA512
32656feb69915b41289e72bb6608eb4c385d77b62285f4ea9fd09dfd6c5b6a6cc0287174457f43e6227efb9f3f2c7362709b9739927907db03f994f7b6c115ad

Download Submit
C:\Windows\SysWOW64\wmpcl64.exe
Filesize
249KB

MD5
1bed964735e9a19f4e1ca09e8a61e60d

SHA1
53105df2de13bf0416d09c88a2c254221e60e9ae

SHA256
ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f

SHA512
32656feb69915b41289e72bb6608eb4c385d77b62285f4ea9fd09dfd6c5b6a6cc0287174457f43e6227efb9f3f2c7362709b9739927907db03f994f7b6c115ad

Download Submit
C:\Windows\SysWOW64\wmpcl64.exe
Filesize
249KB

MD5
1bed964735e9a19f4e1ca09e8a61e60d

SHA1
53105df2de13bf0416d09c88a2c254221e60e9ae

SHA256
ca1441615d14117a414448ee303cd1a8a3021980bb8476fcac4e1aa83723d65f

SHA512
32656feb69915b41289e72bb6608eb4c385d77b62285f4ea9fd09dfd6c5b6a6cc0287174457f43e6227efb9f3f2c7362709b9739927907db03f994f7b6c115ad

Download Submit
memory/500-142-0x0000000000000000-mapping.dmp

Download
memory/500-148-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/500-149-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/500-150-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/2480-137-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/2480-136-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/2480-135-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/2480-141-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/2480-132-0x0000000000000000-mapping.dmp

Download
memory/2480-133-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/3744-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads