metasploit | 6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f

General

Target

6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f.exe
Size

242KB
MD5

cbde8d4665f29d89d953cdf5389f05dc
SHA1

de510f6d145899655be1fb6bdd9d7d72c382089f
SHA256

6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f
SHA512

398f3888c32afdd12192b47d6b3ca245fb31e9b1f3d46d32a6e4a452ed33a833fe46f2c6b4d5beec1daf2d29b9fbaf3a565eb8ac3eacf91b9b7d93ac09cc2ead
SSDEEP

3072:SV2+5Q4xCcZs8LzSO34lLdcMM7FP02dM8IANou9lNhDQ0ZxXfoMOUfpx6wm3+kRz:Sfk8PSOyoFPdMYoK9txQIfpE+

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

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmpth64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmpth64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpth64.exe = "C:\\Windows\\SysWOW64\\wmpth64.exe:*:Enabled:Windows Media Help"	wmpth64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpth64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmpth64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmpth64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpth64.exe = "C:\\Windows\\SysWOW64\\wmpth64.exe:*:Enabled:Windows Media Help"	wmpth64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpth64.exe

Executes dropped EXE 2 IoCs

pid	Process
3272	wmpth64.exe
3732	wmpth64.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2660-133-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/2660-135-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/2660-136-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/2660-137-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/2660-138-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/2660-142-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/3732-149-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/3732-150-0x0000000000400000-0x0000000000461000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f.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	wmpth64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Media Help = "C:\\Windows\\SysWOW64\\wmpth64.exe"	wmpth64.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 opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpth64.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpth64.exe

Drops file in System32 directory 7 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	wmpth64.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{C021A2D4-B819-47FB-AD63-1BA36A9E0A99}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{2C3C6ED5-1CBB-4C28-903C-48F3C9DA9A34}.catalogItem	svchost.exe
File opened for modification	C:\Windows\SysWOW64\wmpth64.exe	wmpth64.exe
File opened for modification	C:\Windows\SysWOW64\	6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f.exe
File opened for modification	C:\Windows\SysWOW64\wmpth64.exe	6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f.exe
File created	C:\Windows\SysWOW64\wmpth64.exe	6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1564 set thread context of 2660	1564	6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f.exe	75
PID 3272 set thread context of 3732	3272	wmpth64.exe	77

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
2660	6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f.exe
2660	6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f.exe
2660	6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f.exe
2660	6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f.exe
3732	wmpth64.exe
3732	wmpth64.exe
3732	wmpth64.exe
3732	wmpth64.exe
3732	wmpth64.exe
3732	wmpth64.exe
3732	wmpth64.exe
3732	wmpth64.exe
3732	wmpth64.exe
3732	wmpth64.exe
3732	wmpth64.exe
3732	wmpth64.exe
3732	wmpth64.exe
3732	wmpth64.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1564 wrote to memory of 2660	1564	6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f.exe	75
PID 1564 wrote to memory of 2660	1564	6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f.exe	75
PID 1564 wrote to memory of 2660	1564	6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f.exe	75
PID 1564 wrote to memory of 2660	1564	6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f.exe	75
PID 1564 wrote to memory of 2660	1564	6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f.exe	75
PID 1564 wrote to memory of 2660	1564	6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f.exe	75
PID 1564 wrote to memory of 2660	1564	6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f.exe	75
PID 1564 wrote to memory of 2660	1564	6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f.exe	75
PID 2660 wrote to memory of 3272	2660	6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f.exe	76
PID 2660 wrote to memory of 3272	2660	6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f.exe	76
PID 2660 wrote to memory of 3272	2660	6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f.exe	76
PID 3272 wrote to memory of 3732	3272	wmpth64.exe	77
PID 3272 wrote to memory of 3732	3272	wmpth64.exe	77
PID 3272 wrote to memory of 3732	3272	wmpth64.exe	77
PID 3272 wrote to memory of 3732	3272	wmpth64.exe	77
PID 3272 wrote to memory of 3732	3272	wmpth64.exe	77
PID 3272 wrote to memory of 3732	3272	wmpth64.exe	77
PID 3272 wrote to memory of 3732	3272	wmpth64.exe	77
PID 3272 wrote to memory of 3732	3272	wmpth64.exe	77
PID 3732 wrote to memory of 3004	3732	wmpth64.exe	30
PID 3732 wrote to memory of 3004	3732	wmpth64.exe	30

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3004
- C:\Users\Admin\AppData\Local\Temp\6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f.exe
  "C:\Users\Admin\AppData\Local\Temp\6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1564
- - C:\Users\Admin\AppData\Local\Temp\6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f.exe
    "C:\Users\Admin\AppData\Local\Temp\6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f.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:2660
  - - C:\Windows\SysWOW64\wmpth64.exe
      "C:\Windows\SysWOW64\wmpth64.exe" C:\Users\Admin\AppData\Local\Temp\6859CF~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:3272
    - - C:\Windows\SysWOW64\wmpth64.exe
        
        "C:\Windows\SysWOW64\wmpth64.exe" C:\Users\Admin\AppData\Local\Temp\6859CF~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:3732

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:4908

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

5

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\wmpth64.exe

Filesize
242KB

MD5
cbde8d4665f29d89d953cdf5389f05dc

SHA1
de510f6d145899655be1fb6bdd9d7d72c382089f

SHA256
6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f

SHA512
398f3888c32afdd12192b47d6b3ca245fb31e9b1f3d46d32a6e4a452ed33a833fe46f2c6b4d5beec1daf2d29b9fbaf3a565eb8ac3eacf91b9b7d93ac09cc2ead

Download Submit
C:\Windows\SysWOW64\wmpth64.exe

Filesize
242KB

MD5
cbde8d4665f29d89d953cdf5389f05dc

SHA1
de510f6d145899655be1fb6bdd9d7d72c382089f

SHA256
6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f

SHA512
398f3888c32afdd12192b47d6b3ca245fb31e9b1f3d46d32a6e4a452ed33a833fe46f2c6b4d5beec1daf2d29b9fbaf3a565eb8ac3eacf91b9b7d93ac09cc2ead

Download Submit
C:\Windows\SysWOW64\wmpth64.exe

Filesize
242KB

MD5
cbde8d4665f29d89d953cdf5389f05dc

SHA1
de510f6d145899655be1fb6bdd9d7d72c382089f

SHA256
6859cf534b1ea4114299391e6fd2953e2713dc4bfbd3ed59c2ff5aaad1c77e3f

SHA512
398f3888c32afdd12192b47d6b3ca245fb31e9b1f3d46d32a6e4a452ed33a833fe46f2c6b4d5beec1daf2d29b9fbaf3a565eb8ac3eacf91b9b7d93ac09cc2ead

Download Submit
memory/2660-142-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/2660-137-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/2660-138-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/2660-136-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/2660-135-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/2660-133-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/3732-149-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/3732-150-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads