metasploit | 4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43

General

Target

4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe
Size

258KB
MD5

8afa13eeb4e97c8b18fe821e62828981
SHA1

de3592cf728ec391da16654a83f142c44f10d83a
SHA256

4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43
SHA512

83cd10c28e4c318f691559494897e54ad234925989bb97ba1f0dd9c6bef00bf91113032277f4557378d4debffc455da1a62a00b18a3298b25bb49829228512de

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:

wmpdx32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdx32.exe = "C:\\Windows\\SysWOW64\\wmpdx32.exe:*:Enabled:Windows iMedia Console"	wmpdx32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpdx32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmpdx32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmpdx32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdx32.exe = "C:\\Windows\\SysWOW64\\wmpdx32.exe:*:Enabled:Windows iMedia Console"	wmpdx32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpdx32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmpdx32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmpdx32.exe

Executes dropped EXE 2 IoCs

Processes:

wmpdx32.exewmpdx32.exe

pid process

3060 wmpdx32.exe
4764 wmpdx32.exe

pid	process
3060	wmpdx32.exe
4764	wmpdx32.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3180-131-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/3180-133-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/3180-134-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/3180-135-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/3180-139-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/4764-144-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/4764-145-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/4764-146-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/4764-147-0x0000000000400000-0x0000000000467000-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:

4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2783062828-828903012-4218294845-1000\Control Panel\International\Geo\Nation	4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wmpdx32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows iMedia Console = "C:\\Windows\\SysWOW64\\wmpdx32.exe"	wmpdx32.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	wmpdx32.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:

wmpdx32.exe4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpdx32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpdx32.exe

Drops file in System32 directory 5 IoCs

Processes:

4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exewmpdx32.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\	4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe
File opened for modification	C:\Windows\SysWOW64\wmpdx32.exe	4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe
File created	C:\Windows\SysWOW64\wmpdx32.exe	4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe
File opened for modification	C:\Windows\SysWOW64\	wmpdx32.exe
File opened for modification	C:\Windows\SysWOW64\wmpdx32.exe	wmpdx32.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exewmpdx32.exe

description	pid	process	target process
PID 3388 set thread context of 3180	3388	4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe	4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe
PID 3060 set thread context of 4764	3060	wmpdx32.exe	wmpdx32.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:

4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exewmpdx32.exe

pid	process
3180	4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe
3180	4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe
3180	4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe
3180	4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe
4764	wmpdx32.exe
4764	wmpdx32.exe
4764	wmpdx32.exe
4764	wmpdx32.exe
4764	wmpdx32.exe
4764	wmpdx32.exe
4764	wmpdx32.exe
4764	wmpdx32.exe
4764	wmpdx32.exe
4764	wmpdx32.exe
4764	wmpdx32.exe
4764	wmpdx32.exe
4764	wmpdx32.exe
4764	wmpdx32.exe
4764	wmpdx32.exe
4764	wmpdx32.exe
4764	wmpdx32.exe
4764	wmpdx32.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exewmpdx32.exewmpdx32.exe

description	pid	process	target process
PID 3388 wrote to memory of 3180	3388	4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe	4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe
PID 3388 wrote to memory of 3180	3388	4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe	4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe
PID 3388 wrote to memory of 3180	3388	4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe	4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe
PID 3388 wrote to memory of 3180	3388	4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe	4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe
PID 3388 wrote to memory of 3180	3388	4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe	4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe
PID 3388 wrote to memory of 3180	3388	4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe	4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe
PID 3388 wrote to memory of 3180	3388	4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe	4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe
PID 3388 wrote to memory of 3180	3388	4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe	4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe
PID 3180 wrote to memory of 3060	3180	4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe	wmpdx32.exe
PID 3180 wrote to memory of 3060	3180	4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe	wmpdx32.exe
PID 3180 wrote to memory of 3060	3180	4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe	wmpdx32.exe
PID 3060 wrote to memory of 4764	3060	wmpdx32.exe	wmpdx32.exe
PID 3060 wrote to memory of 4764	3060	wmpdx32.exe	wmpdx32.exe
PID 3060 wrote to memory of 4764	3060	wmpdx32.exe	wmpdx32.exe
PID 3060 wrote to memory of 4764	3060	wmpdx32.exe	wmpdx32.exe
PID 3060 wrote to memory of 4764	3060	wmpdx32.exe	wmpdx32.exe
PID 3060 wrote to memory of 4764	3060	wmpdx32.exe	wmpdx32.exe
PID 3060 wrote to memory of 4764	3060	wmpdx32.exe	wmpdx32.exe
PID 3060 wrote to memory of 4764	3060	wmpdx32.exe	wmpdx32.exe
PID 4764 wrote to memory of 2756	4764	wmpdx32.exe	Explorer.EXE
PID 4764 wrote to memory of 2756	4764	wmpdx32.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:2756

C:\Users\Admin\AppData\Local\Temp\4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe
"C:\Users\Admin\AppData\Local\Temp\4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3388

C:\Users\Admin\AppData\Local\Temp\4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.exe
"C:\Users\Admin\AppData\Local\Temp\4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43.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:3180

C:\Windows\SysWOW64\wmpdx32.exe
"C:\Windows\SysWOW64\wmpdx32.exe" C:\Users\Admin\AppData\Local\Temp\4F2293~1.EXE
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3060

C:\Windows\SysWOW64\wmpdx32.exe
"C:\Windows\SysWOW64\wmpdx32.exe" C:\Users\Admin\AppData\Local\Temp\4F2293~1.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:4764

Network

MITRE ATT&CK Enterprise 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

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\wmpdx32.exe

Filesize
258KB

MD5
8afa13eeb4e97c8b18fe821e62828981

SHA1
de3592cf728ec391da16654a83f142c44f10d83a

SHA256
4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43

SHA512
83cd10c28e4c318f691559494897e54ad234925989bb97ba1f0dd9c6bef00bf91113032277f4557378d4debffc455da1a62a00b18a3298b25bb49829228512de

Download Submit
C:\Windows\SysWOW64\wmpdx32.exe

Filesize
258KB

MD5
8afa13eeb4e97c8b18fe821e62828981

SHA1
de3592cf728ec391da16654a83f142c44f10d83a

SHA256
4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43

SHA512
83cd10c28e4c318f691559494897e54ad234925989bb97ba1f0dd9c6bef00bf91113032277f4557378d4debffc455da1a62a00b18a3298b25bb49829228512de

Download Submit
C:\Windows\SysWOW64\wmpdx32.exe

Filesize
258KB

MD5
8afa13eeb4e97c8b18fe821e62828981

SHA1
de3592cf728ec391da16654a83f142c44f10d83a

SHA256
4f2293769c3a937ea8de01192ebcbf584b735c2c10a29de0365e230b18a50e43

SHA512
83cd10c28e4c318f691559494897e54ad234925989bb97ba1f0dd9c6bef00bf91113032277f4557378d4debffc455da1a62a00b18a3298b25bb49829228512de

Download Submit
memory/3060-136-0x0000000000000000-mapping.dmp

Download
memory/3180-134-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/3180-135-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/3180-131-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/3180-133-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/3180-139-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/3180-130-0x0000000000000000-mapping.dmp

Download
memory/4764-140-0x0000000000000000-mapping.dmp

Download
memory/4764-144-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4764-145-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4764-146-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4764-147-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads