Malware Analysis Report

2025-06-16 06:57

Sample ID 241104-cca1pszje1
Target 8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118
SHA256 b66d49a7a1fdd3a31abb25496cc6d303ac2e9991e82a7557b01db07a08738efb
Tags
metasploit backdoor discovery 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

b66d49a7a1fdd3a31abb25496cc6d303ac2e9991e82a7557b01db07a08738efb

Threat Level: Known bad

The file 8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

metasploit backdoor discovery trojan upx evasion persistence

Modifies firewall policy service

MetaSploit

Metasploit family

Checks computer location settings

Deletes itself

Executes dropped EXE

Adds Run key to start application

Maps connected drives based on registry

Suspicious use of SetThreadContext

UPX packed file

Drops file in System32 directory

Enumerates physical storage devices

Program crash

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Modifies registry class

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-04 01:55

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-04 01:55

Reported

2024-11-04 03:21

Platform

win7-20241010-en

Max time kernel

13s

Max time network

19s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe"

Signatures

MetaSploit

trojan backdoor metasploit

Metasploit family

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2604 wrote to memory of 324 N/A C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe
PID 2604 wrote to memory of 324 N/A C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe
PID 2604 wrote to memory of 324 N/A C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe
PID 2604 wrote to memory of 324 N/A C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe
PID 2604 wrote to memory of 324 N/A C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe
PID 2604 wrote to memory of 324 N/A C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe
PID 2604 wrote to memory of 324 N/A C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe
PID 2604 wrote to memory of 324 N/A C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe
PID 324 wrote to memory of 668 N/A C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 324 wrote to memory of 668 N/A C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 324 wrote to memory of 668 N/A C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 324 wrote to memory of 668 N/A C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 324 -s 140

Network

N/A

Files

memory/324-1-0x0000000000400000-0x0000000000467000-memory.dmp

memory/324-11-0x0000000000400000-0x0000000000467000-memory.dmp

memory/324-9-0x0000000000400000-0x0000000000467000-memory.dmp

memory/324-8-0x0000000000400000-0x0000000000467000-memory.dmp

memory/324-6-0x0000000000400000-0x0000000000467000-memory.dmp

memory/324-5-0x0000000000400000-0x0000000000467000-memory.dmp

memory/324-4-0x0000000000400000-0x0000000000467000-memory.dmp

memory/324-2-0x0000000000400000-0x0000000000467000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-04 01:55

Reported

2024-11-04 03:21

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

139s

Command Line

C:\Windows\Explorer.EXE

Signatures

MetaSploit

trojan backdoor metasploit

Metasploit family

metasploit

Modifies firewall policy service

evasion
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications C:\Windows\SysWOW64\igfxws32.exe N/A
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxws32.exe = "C:\\Windows\\SysWOW64\\igfxws32.exe:*:Enabled:Intel Wireless Agent" C:\Windows\SysWOW64\igfxws32.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List C:\Windows\SysWOW64\igfxws32.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile C:\Windows\SysWOW64\igfxws32.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications C:\Windows\SysWOW64\igfxws32.exe N/A
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxws32.exe = "C:\\Windows\\SysWOW64\\igfxws32.exe:*:Enabled:Intel Wireless Agent" C:\Windows\SysWOW64\igfxws32.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List C:\Windows\SysWOW64\igfxws32.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile C:\Windows\SysWOW64\igfxws32.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe N/A

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\igfxws32.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\igfxws32.exe N/A
N/A N/A C:\Windows\SysWOW64\igfxws32.exe 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 Wireless Agent = "C:\\Windows\\SysWOW64\\igfxws32.exe" C:\Windows\SysWOW64\igfxws32.exe N/A

Maps connected drives based on registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Windows\SysWOW64\igfxws32.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Windows\SysWOW64\igfxws32.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\igfxws32.exe C:\Windows\SysWOW64\igfxws32.exe N/A
File opened for modification C:\Windows\SysWOW64\ C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\igfxws32.exe C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\igfxws32.exe C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\ C:\Windows\SysWOW64\igfxws32.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
N/A N/A N/A N/A
N/A N/A N/A N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\igfxws32.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\igfxws32.exe N/A

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\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4240 wrote to memory of 1352 N/A C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe
PID 4240 wrote to memory of 1352 N/A C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe
PID 4240 wrote to memory of 1352 N/A C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe
PID 4240 wrote to memory of 1352 N/A C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe
PID 4240 wrote to memory of 1352 N/A C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe
PID 4240 wrote to memory of 1352 N/A C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe
PID 4240 wrote to memory of 1352 N/A C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe
PID 4240 wrote to memory of 1352 N/A C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe
PID 1352 wrote to memory of 1984 N/A C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe C:\Windows\SysWOW64\igfxws32.exe
PID 1352 wrote to memory of 1984 N/A C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe C:\Windows\SysWOW64\igfxws32.exe
PID 1352 wrote to memory of 1984 N/A C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe C:\Windows\SysWOW64\igfxws32.exe
PID 1984 wrote to memory of 1648 N/A C:\Windows\SysWOW64\igfxws32.exe C:\Windows\SysWOW64\igfxws32.exe
PID 1984 wrote to memory of 1648 N/A C:\Windows\SysWOW64\igfxws32.exe C:\Windows\SysWOW64\igfxws32.exe
PID 1984 wrote to memory of 1648 N/A C:\Windows\SysWOW64\igfxws32.exe C:\Windows\SysWOW64\igfxws32.exe
PID 1984 wrote to memory of 1648 N/A C:\Windows\SysWOW64\igfxws32.exe C:\Windows\SysWOW64\igfxws32.exe
PID 1984 wrote to memory of 1648 N/A C:\Windows\SysWOW64\igfxws32.exe C:\Windows\SysWOW64\igfxws32.exe
PID 1984 wrote to memory of 1648 N/A C:\Windows\SysWOW64\igfxws32.exe C:\Windows\SysWOW64\igfxws32.exe
PID 1984 wrote to memory of 1648 N/A C:\Windows\SysWOW64\igfxws32.exe C:\Windows\SysWOW64\igfxws32.exe
PID 1984 wrote to memory of 1648 N/A C:\Windows\SysWOW64\igfxws32.exe C:\Windows\SysWOW64\igfxws32.exe
PID 1648 wrote to memory of 3352 N/A C:\Windows\SysWOW64\igfxws32.exe C:\Windows\Explorer.EXE
PID 1648 wrote to memory of 3352 N/A C:\Windows\SysWOW64\igfxws32.exe C:\Windows\Explorer.EXE

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8e92878d4df3ee8df1a3a922ef25ab08_JaffaCakes118.exe"

C:\Windows\SysWOW64\igfxws32.exe

"C:\Windows\SysWOW64\igfxws32.exe" C:\Users\Admin\AppData\Local\Temp\8E9287~1.EXE

C:\Windows\SysWOW64\igfxws32.exe

"C:\Windows\SysWOW64\igfxws32.exe" C:\Users\Admin\AppData\Local\Temp\8E9287~1.EXE

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 18fls.QW3ahovmtA.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
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

memory/1352-0-0x0000000000400000-0x0000000000467000-memory.dmp

memory/1352-2-0x0000000000400000-0x0000000000467000-memory.dmp

memory/1352-3-0x0000000000400000-0x0000000000467000-memory.dmp

memory/1352-4-0x0000000000400000-0x0000000000467000-memory.dmp

C:\Windows\SysWOW64\igfxws32.exe

MD5 8e92878d4df3ee8df1a3a922ef25ab08
SHA1 2dd9583cf1f4d40209af84efaffcdc7707df62a2
SHA256 b66d49a7a1fdd3a31abb25496cc6d303ac2e9991e82a7557b01db07a08738efb
SHA512 18ce36cb1eb7cbb1cdc6164edcfca4569adb40453ea308edff4319ca75184debab48f1447cf26c413e212ce6432cd388d4dfb407d6ca7400feded964fa41224e

memory/1352-38-0x0000000000400000-0x0000000000467000-memory.dmp

memory/1648-44-0x0000000000400000-0x0000000000467000-memory.dmp

memory/1648-43-0x0000000000400000-0x0000000000467000-memory.dmp

memory/1648-45-0x0000000000400000-0x0000000000467000-memory.dmp

memory/1648-46-0x0000000000400000-0x0000000000467000-memory.dmp

memory/1648-47-0x0000000000400000-0x0000000000467000-memory.dmp

memory/1648-51-0x0000000000400000-0x0000000000467000-memory.dmp

memory/1648-58-0x0000000000400000-0x0000000000467000-memory.dmp