metasploit | dbd56bbaef457b8ea36cad1900a72792860a01181befb3dc37159bca729a0844

General

Target

dbd56bbaef457b8ea36cad1900a72792860a01181befb3dc37159bca729a0844.exe
Size

158KB
MD5

48b578b0c636c36ee581fa61aebcfcb8
SHA1

01bda6fba8468890df08a7791cd1d5dc5091d8c5
SHA256

dbd56bbaef457b8ea36cad1900a72792860a01181befb3dc37159bca729a0844
SHA512

812174b55ad97f3071b6074c57b5abc25dee1117fba37e58330e76cbf4a114650855c0840e5d80478a55171dc6f06891450c78e96701e344ea9842447a0dacf1
SSDEEP

3072:ZLolyoAH/1USw5NdDzu+zrfMScYYH7c7RGxfwu3OzudCjeNei:ZLolyBfcpvffpqwtKCs

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 4 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpnp32.exe = "C:\\Windows\\SysWOW64\\wmpnp32.exe:*:Enabled:Windows Network Core"	wmpnp32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpnp32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpnp32.exe = "C:\\Windows\\SysWOW64\\wmpnp32.exe:*:Enabled:Windows Network Core"	wmpnp32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpnp32.exe

Executes dropped EXE 2 IoCs

pid	Process
1116	wmpnp32.exe
908	wmpnp32.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1672-56-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1672-58-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1672-59-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1672-62-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1672-63-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1672-64-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1672-65-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/908-76-0x0000000000400000-0x0000000000401000-memory.dmp	upx
behavioral1/memory/908-77-0x0000000000400000-0x000000000042F000-memory.dmp	upx
behavioral1/memory/1672-78-0x0000000000400000-0x000000000044C000-memory.dmp	upx

Deletes itself 1 IoCs

pid	Process
908	wmpnp32.exe

Loads dropped DLL 1 IoCs

pid	Process
1672	dbd56bbaef457b8ea36cad1900a72792860a01181befb3dc37159bca729a0844.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	wmpnp32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Network Core = "C:\\Windows\\SysWOW64\\wmpnp32.exe"	wmpnp32.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	dbd56bbaef457b8ea36cad1900a72792860a01181befb3dc37159bca729a0844.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpnp32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	wmpnp32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	dbd56bbaef457b8ea36cad1900a72792860a01181befb3dc37159bca729a0844.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	dbd56bbaef457b8ea36cad1900a72792860a01181befb3dc37159bca729a0844.exe
File opened for modification	C:\Windows\SysWOW64\wmpnp32.exe	dbd56bbaef457b8ea36cad1900a72792860a01181befb3dc37159bca729a0844.exe
File created	C:\Windows\SysWOW64\wmpnp32.exe	dbd56bbaef457b8ea36cad1900a72792860a01181befb3dc37159bca729a0844.exe
File opened for modification	C:\Windows\SysWOW64\	wmpnp32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1736 set thread context of 1672	1736	dbd56bbaef457b8ea36cad1900a72792860a01181befb3dc37159bca729a0844.exe	28
PID 1116 set thread context of 908	1116	wmpnp32.exe	30

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1672	dbd56bbaef457b8ea36cad1900a72792860a01181befb3dc37159bca729a0844.exe
1672	dbd56bbaef457b8ea36cad1900a72792860a01181befb3dc37159bca729a0844.exe
908	wmpnp32.exe
908	wmpnp32.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 1672	1736	dbd56bbaef457b8ea36cad1900a72792860a01181befb3dc37159bca729a0844.exe	28
PID 1736 wrote to memory of 1672	1736	dbd56bbaef457b8ea36cad1900a72792860a01181befb3dc37159bca729a0844.exe	28
PID 1736 wrote to memory of 1672	1736	dbd56bbaef457b8ea36cad1900a72792860a01181befb3dc37159bca729a0844.exe	28
PID 1736 wrote to memory of 1672	1736	dbd56bbaef457b8ea36cad1900a72792860a01181befb3dc37159bca729a0844.exe	28
PID 1736 wrote to memory of 1672	1736	dbd56bbaef457b8ea36cad1900a72792860a01181befb3dc37159bca729a0844.exe	28
PID 1736 wrote to memory of 1672	1736	dbd56bbaef457b8ea36cad1900a72792860a01181befb3dc37159bca729a0844.exe	28
PID 1736 wrote to memory of 1672	1736	dbd56bbaef457b8ea36cad1900a72792860a01181befb3dc37159bca729a0844.exe	28
PID 1672 wrote to memory of 1116	1672	dbd56bbaef457b8ea36cad1900a72792860a01181befb3dc37159bca729a0844.exe	29
PID 1672 wrote to memory of 1116	1672	dbd56bbaef457b8ea36cad1900a72792860a01181befb3dc37159bca729a0844.exe	29
PID 1672 wrote to memory of 1116	1672	dbd56bbaef457b8ea36cad1900a72792860a01181befb3dc37159bca729a0844.exe	29
PID 1672 wrote to memory of 1116	1672	dbd56bbaef457b8ea36cad1900a72792860a01181befb3dc37159bca729a0844.exe	29
PID 1116 wrote to memory of 908	1116	wmpnp32.exe	30
PID 1116 wrote to memory of 908	1116	wmpnp32.exe	30
PID 1116 wrote to memory of 908	1116	wmpnp32.exe	30
PID 1116 wrote to memory of 908	1116	wmpnp32.exe	30
PID 1116 wrote to memory of 908	1116	wmpnp32.exe	30
PID 1116 wrote to memory of 908	1116	wmpnp32.exe	30
PID 1116 wrote to memory of 908	1116	wmpnp32.exe	30
PID 908 wrote to memory of 1432	908	wmpnp32.exe	15
PID 908 wrote to memory of 1432	908	wmpnp32.exe	15

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1432
- C:\Users\Admin\AppData\Local\Temp\dbd56bbaef457b8ea36cad1900a72792860a01181befb3dc37159bca729a0844.exe
  "C:\Users\Admin\AppData\Local\Temp\dbd56bbaef457b8ea36cad1900a72792860a01181befb3dc37159bca729a0844.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1736
- - C:\Users\Admin\AppData\Local\Temp\dbd56bbaef457b8ea36cad1900a72792860a01181befb3dc37159bca729a0844.exe
    "C:\Users\Admin\AppData\Local\Temp\dbd56bbaef457b8ea36cad1900a72792860a01181befb3dc37159bca729a0844.exe"
    3⤵
    - Loads dropped DLL
    - Maps connected drives based on registry
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1672
  - - C:\Windows\SysWOW64\wmpnp32.exe
      "C:\Windows\SysWOW64\wmpnp32.exe" C:\Users\Admin\AppData\Local\Temp\DBD56B~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:1116
    - - C:\Windows\SysWOW64\wmpnp32.exe
        
        "C:\Windows\SysWOW64\wmpnp32.exe" C:\Users\Admin\AppData\Local\Temp\DBD56B~1.EXE
        5⤵
        Modifies firewall policy service
        Executes dropped EXE
        Deletes itself
        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:908

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

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\wmpnp32.exe

Filesize
158KB

MD5
48b578b0c636c36ee581fa61aebcfcb8

SHA1
01bda6fba8468890df08a7791cd1d5dc5091d8c5

SHA256
dbd56bbaef457b8ea36cad1900a72792860a01181befb3dc37159bca729a0844

SHA512
812174b55ad97f3071b6074c57b5abc25dee1117fba37e58330e76cbf4a114650855c0840e5d80478a55171dc6f06891450c78e96701e344ea9842447a0dacf1

Download Submit
C:\Windows\SysWOW64\wmpnp32.exe

Filesize
158KB

MD5
48b578b0c636c36ee581fa61aebcfcb8

SHA1
01bda6fba8468890df08a7791cd1d5dc5091d8c5

SHA256
dbd56bbaef457b8ea36cad1900a72792860a01181befb3dc37159bca729a0844

SHA512
812174b55ad97f3071b6074c57b5abc25dee1117fba37e58330e76cbf4a114650855c0840e5d80478a55171dc6f06891450c78e96701e344ea9842447a0dacf1

Download Submit
\Windows\SysWOW64\wmpnp32.exe

Filesize
158KB

MD5
48b578b0c636c36ee581fa61aebcfcb8

SHA1
01bda6fba8468890df08a7791cd1d5dc5091d8c5

SHA256
dbd56bbaef457b8ea36cad1900a72792860a01181befb3dc37159bca729a0844

SHA512
812174b55ad97f3071b6074c57b5abc25dee1117fba37e58330e76cbf4a114650855c0840e5d80478a55171dc6f06891450c78e96701e344ea9842447a0dacf1

Download Submit
memory/908-72-0x0000000000432000-0x000000000044AA00-memory.dmp

Filesize
98KB

Download
memory/908-77-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/908-76-0x0000000000400000-0x0000000000401000-memory.dmp

Filesize
4KB

Download
memory/908-75-0x000000000044B000-0x000000000044C000-memory.dmp

Filesize
4KB

Download
memory/908-73-0x000000000044B000-0x000000000044C000-memory.dmp

Filesize
4KB

Download
memory/1432-79-0x00000000021E0000-0x00000000021FE000-memory.dmp

Filesize
120KB

Download
memory/1672-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1672-56-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1672-58-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1672-55-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1672-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1672-59-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1672-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1672-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1672-78-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1672-61-0x0000000075DA1000-0x0000000075DA3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads