Malware Analysis Report

2025-08-06 04:05

Sample ID 240121-xxgdfahbe2
Target 6dd05e374c550f42a7b400753a1a5a40
SHA256 040b879f7816d317d02b442f12abaa24d75362340878cdfbdce01c9b2c4eed10
Tags
metasploit backdoor trojan upx evasion persistence
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

040b879f7816d317d02b442f12abaa24d75362340878cdfbdce01c9b2c4eed10

Threat Level: Known bad

The file 6dd05e374c550f42a7b400753a1a5a40 was found to be: Known bad.

Malicious Activity Summary

metasploit backdoor trojan upx evasion persistence

Modifies firewall policy service

MetaSploit

Deletes itself

Executes dropped EXE

Checks computer location settings

UPX packed file

Maps connected drives based on registry

Adds Run key to start application

Drops file in System32 directory

Suspicious use of SetThreadContext

Unsigned PE

Program crash

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Modifies registry class

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-21 19:13

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-21 19:13

Reported

2024-01-21 19:16

Platform

win7-20231215-en

Max time kernel

140s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe"

Signatures

MetaSploit

trojan backdoor metasploit

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1708 set thread context of 2156 N/A C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1708 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe
PID 1708 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe
PID 1708 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe
PID 1708 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe
PID 1708 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe
PID 1708 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe
PID 1708 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe
PID 1708 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe
PID 2156 wrote to memory of 1212 N/A C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe C:\Windows\SysWOW64\WerFault.exe
PID 2156 wrote to memory of 1212 N/A C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe C:\Windows\SysWOW64\WerFault.exe
PID 2156 wrote to memory of 1212 N/A C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe C:\Windows\SysWOW64\WerFault.exe
PID 2156 wrote to memory of 1212 N/A C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe

"C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe"

C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe

"C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2156 -s 140

Network

N/A

Files

memory/2156-0-0x0000000000400000-0x0000000000467000-memory.dmp

memory/2156-2-0x0000000000400000-0x0000000000467000-memory.dmp

memory/2156-6-0x0000000000400000-0x0000000000467000-memory.dmp

memory/2156-5-0x0000000000400000-0x0000000000467000-memory.dmp

memory/2156-4-0x0000000000400000-0x0000000000467000-memory.dmp

memory/2156-9-0x0000000000400000-0x0000000000467000-memory.dmp

memory/2156-8-0x0000000000400000-0x0000000000467000-memory.dmp

memory/2156-11-0x0000000000400000-0x0000000000467000-memory.dmp

memory/2156-10-0x0000000000400000-0x0000000000467000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-21 19:13

Reported

2024-01-21 19:16

Platform

win10v2004-20231215-en

Max time kernel

150s

Max time network

155s

Command Line

C:\Windows\Explorer.EXE

Signatures

MetaSploit

trojan backdoor metasploit

Modifies firewall policy service

evasion
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile C:\Windows\SysWOW64\igfxcs32.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications C:\Windows\SysWOW64\igfxcs32.exe N/A
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxcs32.exe = "C:\\Windows\\SysWOW64\\igfxcs32.exe:*:Enabled:Intel iDrive Monitor" C:\Windows\SysWOW64\igfxcs32.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List C:\Windows\SysWOW64\igfxcs32.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile C:\Windows\SysWOW64\igfxcs32.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications C:\Windows\SysWOW64\igfxcs32.exe N/A
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxcs32.exe = "C:\\Windows\\SysWOW64\\igfxcs32.exe:*:Enabled:Intel iDrive Monitor" C:\Windows\SysWOW64\igfxcs32.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List C:\Windows\SysWOW64\igfxcs32.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe N/A

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\igfxcs32.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\igfxcs32.exe N/A
N/A N/A C:\Windows\SysWOW64\igfxcs32.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Intel iDrive Monitor = "C:\\Windows\\SysWOW64\\igfxcs32.exe" C:\Windows\SysWOW64\igfxcs32.exe N/A

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Windows\SysWOW64\igfxcs32.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Windows\SysWOW64\igfxcs32.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\ C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe N/A
File opened for modification C:\Windows\SysWOW64\igfxcs32.exe C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe N/A
File created C:\Windows\SysWOW64\igfxcs32.exe C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe N/A
File opened for modification C:\Windows\SysWOW64\ C:\Windows\SysWOW64\igfxcs32.exe N/A
File opened for modification C:\Windows\SysWOW64\igfxcs32.exe C:\Windows\SysWOW64\igfxcs32.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4064 set thread context of 4160 N/A C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe
PID 3176 set thread context of 1688 N/A C:\Windows\SysWOW64\igfxcs32.exe C:\Windows\SysWOW64\igfxcs32.exe

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4064 wrote to memory of 4160 N/A C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe
PID 4064 wrote to memory of 4160 N/A C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe
PID 4064 wrote to memory of 4160 N/A C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe
PID 4064 wrote to memory of 4160 N/A C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe
PID 4064 wrote to memory of 4160 N/A C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe
PID 4064 wrote to memory of 4160 N/A C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe
PID 4064 wrote to memory of 4160 N/A C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe
PID 4064 wrote to memory of 4160 N/A C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe
PID 4160 wrote to memory of 3176 N/A C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe C:\Windows\SysWOW64\igfxcs32.exe
PID 4160 wrote to memory of 3176 N/A C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe C:\Windows\SysWOW64\igfxcs32.exe
PID 4160 wrote to memory of 3176 N/A C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe C:\Windows\SysWOW64\igfxcs32.exe
PID 3176 wrote to memory of 1688 N/A C:\Windows\SysWOW64\igfxcs32.exe C:\Windows\SysWOW64\igfxcs32.exe
PID 3176 wrote to memory of 1688 N/A C:\Windows\SysWOW64\igfxcs32.exe C:\Windows\SysWOW64\igfxcs32.exe
PID 3176 wrote to memory of 1688 N/A C:\Windows\SysWOW64\igfxcs32.exe C:\Windows\SysWOW64\igfxcs32.exe
PID 3176 wrote to memory of 1688 N/A C:\Windows\SysWOW64\igfxcs32.exe C:\Windows\SysWOW64\igfxcs32.exe
PID 3176 wrote to memory of 1688 N/A C:\Windows\SysWOW64\igfxcs32.exe C:\Windows\SysWOW64\igfxcs32.exe
PID 3176 wrote to memory of 1688 N/A C:\Windows\SysWOW64\igfxcs32.exe C:\Windows\SysWOW64\igfxcs32.exe
PID 3176 wrote to memory of 1688 N/A C:\Windows\SysWOW64\igfxcs32.exe C:\Windows\SysWOW64\igfxcs32.exe
PID 3176 wrote to memory of 1688 N/A C:\Windows\SysWOW64\igfxcs32.exe C:\Windows\SysWOW64\igfxcs32.exe
PID 1688 wrote to memory of 3496 N/A C:\Windows\SysWOW64\igfxcs32.exe C:\Windows\Explorer.EXE
PID 1688 wrote to memory of 3496 N/A C:\Windows\SysWOW64\igfxcs32.exe C:\Windows\Explorer.EXE

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe

"C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe"

C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe

"C:\Users\Admin\AppData\Local\Temp\6dd05e374c550f42a7b400753a1a5a40.exe"

C:\Windows\SysWOW64\igfxcs32.exe

"C:\Windows\SysWOW64\igfxcs32.exe" C:\Users\Admin\AppData\Local\Temp\6DD05E~1.EXE

C:\Windows\SysWOW64\igfxcs32.exe

"C:\Windows\SysWOW64\igfxcs32.exe" C:\Users\Admin\AppData\Local\Temp\6DD05E~1.EXE

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 5.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 s-112-5-0.level6-co1-as70423.su udp
US 66.128.53.114:80 66.128.53.114 tcp
US 204.11.237.61:80 204.11.237.61 tcp
US 204.11.237.61:443 tcp
US 8.8.8.8:53 114.53.128.66.in-addr.arpa udp
US 8.8.8.8:53 61.237.11.204.in-addr.arpa udp
FR 195.137.213.67:80 tcp
US 8.8.8.8:53 29.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 150.1.37.23.in-addr.arpa udp
US 8.8.8.8:53 201.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/4160-0-0x0000000000400000-0x0000000000467000-memory.dmp

memory/4160-2-0x0000000000400000-0x0000000000467000-memory.dmp

memory/4160-4-0x0000000000400000-0x0000000000467000-memory.dmp

C:\Windows\SysWOW64\igfxcs32.exe

MD5 6dd05e374c550f42a7b400753a1a5a40
SHA1 b266fcb55bb01402f373a751a4d9e2018f489fb3
SHA256 040b879f7816d317d02b442f12abaa24d75362340878cdfbdce01c9b2c4eed10
SHA512 638f143ea51eb88f96475b5fa6c2d0f09e0f9b48c32cf7db1296f210bc0f4ebff2189cb93965171b2c761f10fd43a30c5b2e078e2a9f1b10c3b34fcffea645f2

memory/4160-31-0x0000000000400000-0x0000000000467000-memory.dmp

memory/4160-39-0x0000000000400000-0x0000000000467000-memory.dmp

memory/1688-46-0x0000000000400000-0x0000000000467000-memory.dmp

memory/1688-47-0x0000000000400000-0x0000000000467000-memory.dmp

memory/1688-51-0x0000000000400000-0x0000000000467000-memory.dmp

memory/1688-57-0x0000000000400000-0x0000000000467000-memory.dmp