Malware Analysis Report

2025-01-03 08:10

Sample ID 240419-pct5sscc8z
Target fa449eb5918266827fb35e3e71c46600_JaffaCakes118
SHA256 6a01c65115ec62f2df8c56b144809be78d0682d80e239f24358503c72cf05b5f
Tags
metasploit backdoor evasion persistence trojan upx
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

6a01c65115ec62f2df8c56b144809be78d0682d80e239f24358503c72cf05b5f

Threat Level: Known bad

The file fa449eb5918266827fb35e3e71c46600_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

metasploit backdoor evasion persistence trojan upx

MetaSploit

Modifies firewall policy service

UPX packed file

Loads dropped DLL

Deletes itself

Executes dropped EXE

Maps connected drives based on registry

Adds Run key to start application

Suspicious use of SetThreadContext

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-19 12:11

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-19 12:11

Reported

2024-04-19 12:14

Platform

win7-20240221-en

Max time kernel

148s

Max time network

119s

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\AuthorizedApplications\List C:\Windows\SysWOW64\igfxdl86.exe N/A
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxdl86.exe = "C:\\Windows\\SysWOW64\\igfxdl86.exe:*:Enabled:Intel Device Driver" C:\Windows\SysWOW64\igfxdl86.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List C:\Windows\SysWOW64\igfxdl86.exe N/A
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxdl86.exe = "C:\\Windows\\SysWOW64\\igfxdl86.exe:*:Enabled:Intel Device Driver" C:\Windows\SysWOW64\igfxdl86.exe N/A

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\igfxdl86.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\igfxdl86.exe N/A
N/A N/A C:\Windows\SysWOW64\igfxdl86.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
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 Device Driver = "C:\\Windows\\SysWOW64\\igfxdl86.exe" C:\Windows\SysWOW64\igfxdl86.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\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Windows\SysWOW64\igfxdl86.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Windows\SysWOW64\igfxdl86.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\igfxdl86.exe C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\igfxdl86.exe C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\ C:\Windows\SysWOW64\igfxdl86.exe N/A
File opened for modification C:\Windows\SysWOW64\ C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2084 wrote to memory of 2100 N/A C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe
PID 2084 wrote to memory of 2100 N/A C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe
PID 2084 wrote to memory of 2100 N/A C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe
PID 2084 wrote to memory of 2100 N/A C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe
PID 2084 wrote to memory of 2100 N/A C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe
PID 2084 wrote to memory of 2100 N/A C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe
PID 2084 wrote to memory of 2100 N/A C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe
PID 2100 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe C:\Windows\SysWOW64\igfxdl86.exe
PID 2100 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe C:\Windows\SysWOW64\igfxdl86.exe
PID 2100 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe C:\Windows\SysWOW64\igfxdl86.exe
PID 2100 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe C:\Windows\SysWOW64\igfxdl86.exe
PID 2620 wrote to memory of 2560 N/A C:\Windows\SysWOW64\igfxdl86.exe C:\Windows\SysWOW64\igfxdl86.exe
PID 2620 wrote to memory of 2560 N/A C:\Windows\SysWOW64\igfxdl86.exe C:\Windows\SysWOW64\igfxdl86.exe
PID 2620 wrote to memory of 2560 N/A C:\Windows\SysWOW64\igfxdl86.exe C:\Windows\SysWOW64\igfxdl86.exe
PID 2620 wrote to memory of 2560 N/A C:\Windows\SysWOW64\igfxdl86.exe C:\Windows\SysWOW64\igfxdl86.exe
PID 2620 wrote to memory of 2560 N/A C:\Windows\SysWOW64\igfxdl86.exe C:\Windows\SysWOW64\igfxdl86.exe
PID 2620 wrote to memory of 2560 N/A C:\Windows\SysWOW64\igfxdl86.exe C:\Windows\SysWOW64\igfxdl86.exe
PID 2620 wrote to memory of 2560 N/A C:\Windows\SysWOW64\igfxdl86.exe C:\Windows\SysWOW64\igfxdl86.exe
PID 2560 wrote to memory of 1176 N/A C:\Windows\SysWOW64\igfxdl86.exe C:\Windows\Explorer.EXE
PID 2560 wrote to memory of 1176 N/A C:\Windows\SysWOW64\igfxdl86.exe C:\Windows\Explorer.EXE

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe"

C:\Windows\SysWOW64\igfxdl86.exe

"C:\Windows\SysWOW64\igfxdl86.exe" C:\Users\Admin\AppData\Local\Temp\FA449E~1.EXE

C:\Windows\SysWOW64\igfxdl86.exe

"C:\Windows\SysWOW64\igfxdl86.exe" C:\Users\Admin\AppData\Local\Temp\FA449E~1.EXE

Network

Country Destination Domain Proto
US 8.8.8.8:53 j16.fast-quantum-servers.su udp
KR 143.248.35.28:80 tcp
KR 143.248.35.28:80 tcp

Files

memory/2100-0-0x0000000000400000-0x000000000044C000-memory.dmp

memory/2100-2-0x0000000000400000-0x000000000044C000-memory.dmp

memory/2100-3-0x0000000000400000-0x000000000044C000-memory.dmp

memory/2100-4-0x0000000000400000-0x000000000044C000-memory.dmp

memory/2100-6-0x0000000000400000-0x000000000044C000-memory.dmp

memory/2100-8-0x0000000000400000-0x000000000044C000-memory.dmp

memory/2100-7-0x0000000000400000-0x000000000044C000-memory.dmp

\Windows\SysWOW64\igfxdl86.exe

MD5 fa449eb5918266827fb35e3e71c46600
SHA1 d364433027c351a03d4d0fb8b3d91ada2613e7f2
SHA256 6a01c65115ec62f2df8c56b144809be78d0682d80e239f24358503c72cf05b5f
SHA512 104a440612b30d136ad6672765e11674ead933a5af7397a621d7c91cbbc84710a8f49725b96212c19a44314a8925a7039343ffd0446a44d382d713a4f93f1b5f

memory/2100-32-0x0000000000400000-0x000000000042E000-memory.dmp

memory/2100-31-0x0000000000400000-0x000000000044C000-memory.dmp

memory/2560-33-0x0000000000400000-0x000000000044C000-memory.dmp

memory/1176-34-0x0000000002960000-0x000000000297E000-memory.dmp

memory/1176-35-0x00000000029E0000-0x00000000029E1000-memory.dmp

memory/2560-36-0x0000000000400000-0x000000000044C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-19 12:11

Reported

2024-04-19 12:14

Platform

win10v2004-20240412-en

Max time kernel

147s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 50.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 27.178.89.13.in-addr.arpa udp

Files

N/A