metasploit | 2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483

General

Target

2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe
Size

254KB
MD5

812bbc859b6746779cbaa44859a65bf1
SHA1

fdfcfcf2908a0ee96a21f43f3428388ca0946e35
SHA256

2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483
SHA512

4455e0affccbd9fd55fabbc90aa785c848c0ea5cd8618a72115b52a8cc62afc042ed01e46ce8ef292811eee0e430e027bfc32682bace3970799a789a57e51ecc
SSDEEP

3072:mwXG2pch5235qmNZZ8FsXoxvW38AWbSgYHbEL1V0k2pYm0IqBK0KcHsYe84lsYe2:P2S35/iBvy8AWbgHgJ7EfVcKhuN

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:

wmptv64.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmptv64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmptv64.exe = "C:\\Windows\\SysWOW64\\wmptv64.exe:*:Enabled:Windows Media Tasks"	wmptv64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmptv64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmptv64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmptv64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmptv64.exe = "C:\\Windows\\SysWOW64\\wmptv64.exe:*:Enabled:Windows Media Tasks"	wmptv64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmptv64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmptv64.exe

Disables use of System Restore points 1 TTPs
evasion

Inhibit System Recovery
T1490
Executes dropped EXE 2 IoCs

Processes:

wmptv64.exewmptv64.exe

pid process

4892 wmptv64.exe
792 wmptv64.exe

pid	process
4892	wmptv64.exe
792	wmptv64.exe

Sets file execution options in registry 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wmptv64.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\epplauncher.exe\Debugger = "CMD /C>null"	wmptv64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MsMpEng.exe	wmptv64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MsMpEng.exe\Debugger = "CMD /C>null"	wmptv64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe	wmptv64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe\Debugger = "CMD /C>null"	wmptv64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\epplauncher.exe	wmptv64.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3440-133-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/3440-135-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/3440-136-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/3440-137-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/3440-141-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/792-146-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/792-147-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/792-148-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/792-149-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/792-150-0x0000000000400000-0x0000000000464000-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:

2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wmptv64.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	wmptv64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Media Tasks = "C:\\Windows\\SysWOW64\\wmptv64.exe"	wmptv64.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:

2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exewmptv64.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmptv64.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmptv64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe

Drops file in System32 directory 5 IoCs

Processes:

2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exewmptv64.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\wmptv64.exe	2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe
File created	C:\Windows\SysWOW64\wmptv64.exe	2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe
File opened for modification	C:\Windows\SysWOW64\	wmptv64.exe
File opened for modification	C:\Windows\SysWOW64\wmptv64.exe	wmptv64.exe
File opened for modification	C:\Windows\SysWOW64\	2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exewmptv64.exe

description	pid	process	target process
PID 3108 set thread context of 3440	3108	2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe	2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe
PID 4892 set thread context of 792	4892	wmptv64.exe	wmptv64.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:

2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exewmptv64.exe

pid	process
3440	2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe
3440	2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe
3440	2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe
3440	2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe
792	wmptv64.exe
792	wmptv64.exe
792	wmptv64.exe
792	wmptv64.exe
792	wmptv64.exe
792	wmptv64.exe
792	wmptv64.exe
792	wmptv64.exe
792	wmptv64.exe
792	wmptv64.exe
792	wmptv64.exe
792	wmptv64.exe
792	wmptv64.exe
792	wmptv64.exe
792	wmptv64.exe
792	wmptv64.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exewmptv64.exewmptv64.exe

description	pid	process	target process
PID 3108 wrote to memory of 3440	3108	2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe	2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe
PID 3108 wrote to memory of 3440	3108	2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe	2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe
PID 3108 wrote to memory of 3440	3108	2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe	2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe
PID 3108 wrote to memory of 3440	3108	2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe	2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe
PID 3108 wrote to memory of 3440	3108	2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe	2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe
PID 3108 wrote to memory of 3440	3108	2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe	2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe
PID 3108 wrote to memory of 3440	3108	2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe	2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe
PID 3108 wrote to memory of 3440	3108	2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe	2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe
PID 3440 wrote to memory of 4892	3440	2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe	wmptv64.exe
PID 3440 wrote to memory of 4892	3440	2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe	wmptv64.exe
PID 3440 wrote to memory of 4892	3440	2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe	wmptv64.exe
PID 4892 wrote to memory of 792	4892	wmptv64.exe	wmptv64.exe
PID 4892 wrote to memory of 792	4892	wmptv64.exe	wmptv64.exe
PID 4892 wrote to memory of 792	4892	wmptv64.exe	wmptv64.exe
PID 4892 wrote to memory of 792	4892	wmptv64.exe	wmptv64.exe
PID 4892 wrote to memory of 792	4892	wmptv64.exe	wmptv64.exe
PID 4892 wrote to memory of 792	4892	wmptv64.exe	wmptv64.exe
PID 4892 wrote to memory of 792	4892	wmptv64.exe	wmptv64.exe
PID 4892 wrote to memory of 792	4892	wmptv64.exe	wmptv64.exe
PID 792 wrote to memory of 980	792	wmptv64.exe	Explorer.EXE
PID 792 wrote to memory of 980	792	wmptv64.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:980

C:\Users\Admin\AppData\Local\Temp\2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe
"C:\Users\Admin\AppData\Local\Temp\2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3108

C:\Users\Admin\AppData\Local\Temp\2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.exe
"C:\Users\Admin\AppData\Local\Temp\2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483.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:3440

C:\Windows\SysWOW64\wmptv64.exe
"C:\Windows\SysWOW64\wmptv64.exe" C:\Users\Admin\AppData\Local\Temp\2728A5~1.EXE
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4892

C:\Windows\SysWOW64\wmptv64.exe
"C:\Windows\SysWOW64\wmptv64.exe" C:\Users\Admin\AppData\Local\Temp\2728A5~1.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:792

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

Inhibit System Recovery

1

T1490

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\wmptv64.exe
Filesize
254KB

MD5
812bbc859b6746779cbaa44859a65bf1

SHA1
fdfcfcf2908a0ee96a21f43f3428388ca0946e35

SHA256
2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483

SHA512
4455e0affccbd9fd55fabbc90aa785c848c0ea5cd8618a72115b52a8cc62afc042ed01e46ce8ef292811eee0e430e027bfc32682bace3970799a789a57e51ecc

Download Submit
C:\Windows\SysWOW64\wmptv64.exe
Filesize
254KB

MD5
812bbc859b6746779cbaa44859a65bf1

SHA1
fdfcfcf2908a0ee96a21f43f3428388ca0946e35

SHA256
2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483

SHA512
4455e0affccbd9fd55fabbc90aa785c848c0ea5cd8618a72115b52a8cc62afc042ed01e46ce8ef292811eee0e430e027bfc32682bace3970799a789a57e51ecc

Download Submit
C:\Windows\SysWOW64\wmptv64.exe
Filesize
254KB

MD5
812bbc859b6746779cbaa44859a65bf1

SHA1
fdfcfcf2908a0ee96a21f43f3428388ca0946e35

SHA256
2728a553c114325588737f50622b72ad7ad323d3722abe1af311e82596dbc483

SHA512
4455e0affccbd9fd55fabbc90aa785c848c0ea5cd8618a72115b52a8cc62afc042ed01e46ce8ef292811eee0e430e027bfc32682bace3970799a789a57e51ecc

Download Submit
memory/792-142-0x0000000000000000-mapping.dmp

Download
memory/792-150-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/792-149-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/792-148-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/792-147-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/792-146-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3440-137-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3440-141-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3440-132-0x0000000000000000-mapping.dmp

Download
memory/3440-136-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3440-135-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3440-133-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4892-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads