Malware Analysis Report

2025-01-03 08:03

Sample ID 240421-hf41vadg8t
Target fead1d130afd2c3d7b89b87829248fee_JaffaCakes118
SHA256 9202a1a5a054b4d5dfba99700a759b503d378f011085b5682f407b944a473743
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

9202a1a5a054b4d5dfba99700a759b503d378f011085b5682f407b944a473743

Threat Level: Known bad

The file fead1d130afd2c3d7b89b87829248fee_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

metasploit backdoor trojan upx evasion persistence

MetaSploit

Modifies firewall policy service

Deletes itself

Checks computer location settings

Executes dropped EXE

UPX packed file

Adds Run key to start application

Maps connected drives based on registry

Drops file in System32 directory

Suspicious use of SetThreadContext

Program crash

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Modifies registry class

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-21 06:41

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-21 06:41

Reported

2024-04-21 06:44

Platform

win7-20240221-en

Max time kernel

141s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.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 WriteProcessMemory

Description Indicator Process Target
PID 2240 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
PID 2240 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
PID 2240 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
PID 2240 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
PID 2240 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
PID 2240 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
PID 2240 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
PID 2240 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
PID 1448 wrote to memory of 2540 N/A C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 1448 wrote to memory of 2540 N/A C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 1448 wrote to memory of 2540 N/A C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 1448 wrote to memory of 2540 N/A C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1448 -s 140

Network

N/A

Files

memory/1448-0-0x0000000000400000-0x0000000000453000-memory.dmp

memory/1448-2-0x0000000000400000-0x0000000000453000-memory.dmp

memory/1448-4-0x0000000000400000-0x0000000000453000-memory.dmp

memory/1448-5-0x0000000000400000-0x0000000000453000-memory.dmp

memory/1448-6-0x0000000000400000-0x0000000000453000-memory.dmp

memory/1448-8-0x0000000000400000-0x0000000000453000-memory.dmp

memory/1448-10-0x0000000000400000-0x0000000000453000-memory.dmp

memory/1448-9-0x0000000000400000-0x0000000000453000-memory.dmp

memory/1448-11-0x0000000000400000-0x0000000000453000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-21 06:41

Reported

2024-04-21 06:44

Platform

win10v2004-20240412-en

Max time kernel

146s

Max time network

124s

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 C:\Windows\SysWOW64\wmptd32.exe N/A
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmptd32.exe = "C:\\Windows\\SysWOW64\\wmptd32.exe:*:Enabled:Windows Data Service" C:\Windows\SysWOW64\wmptd32.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List C:\Windows\SysWOW64\wmptd32.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile C:\Windows\SysWOW64\wmptd32.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications C:\Windows\SysWOW64\wmptd32.exe N/A
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmptd32.exe = "C:\\Windows\\SysWOW64\\wmptd32.exe:*:Enabled:Windows Data Service" C:\Windows\SysWOW64\wmptd32.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List C:\Windows\SysWOW64\wmptd32.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile C:\Windows\SysWOW64\wmptd32.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe N/A

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\wmptd32.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\wmptd32.exe N/A
N/A N/A C:\Windows\SysWOW64\wmptd32.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\Windows Data Service = "C:\\Windows\\SysWOW64\\wmptd32.exe" C:\Windows\SysWOW64\wmptd32.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\wmptd32.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Windows\SysWOW64\wmptd32.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\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\wmptd32.exe C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\wmptd32.exe C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\ C:\Windows\SysWOW64\wmptd32.exe N/A
File opened for modification C:\Windows\SysWOW64\wmptd32.exe C:\Windows\SysWOW64\wmptd32.exe N/A

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\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5036 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
PID 5036 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
PID 5036 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
PID 5036 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
PID 5036 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
PID 5036 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
PID 5036 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
PID 5036 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
PID 2032 wrote to memory of 3244 N/A C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe C:\Windows\SysWOW64\wmptd32.exe
PID 2032 wrote to memory of 3244 N/A C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe C:\Windows\SysWOW64\wmptd32.exe
PID 2032 wrote to memory of 3244 N/A C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe C:\Windows\SysWOW64\wmptd32.exe
PID 3244 wrote to memory of 4100 N/A C:\Windows\SysWOW64\wmptd32.exe C:\Windows\SysWOW64\wmptd32.exe
PID 3244 wrote to memory of 4100 N/A C:\Windows\SysWOW64\wmptd32.exe C:\Windows\SysWOW64\wmptd32.exe
PID 3244 wrote to memory of 4100 N/A C:\Windows\SysWOW64\wmptd32.exe C:\Windows\SysWOW64\wmptd32.exe
PID 3244 wrote to memory of 4100 N/A C:\Windows\SysWOW64\wmptd32.exe C:\Windows\SysWOW64\wmptd32.exe
PID 3244 wrote to memory of 4100 N/A C:\Windows\SysWOW64\wmptd32.exe C:\Windows\SysWOW64\wmptd32.exe
PID 3244 wrote to memory of 4100 N/A C:\Windows\SysWOW64\wmptd32.exe C:\Windows\SysWOW64\wmptd32.exe
PID 3244 wrote to memory of 4100 N/A C:\Windows\SysWOW64\wmptd32.exe C:\Windows\SysWOW64\wmptd32.exe
PID 3244 wrote to memory of 4100 N/A C:\Windows\SysWOW64\wmptd32.exe C:\Windows\SysWOW64\wmptd32.exe
PID 4100 wrote to memory of 3512 N/A C:\Windows\SysWOW64\wmptd32.exe C:\Windows\Explorer.EXE
PID 4100 wrote to memory of 3512 N/A C:\Windows\SysWOW64\wmptd32.exe C:\Windows\Explorer.EXE

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe"

C:\Windows\SysWOW64\wmptd32.exe

"C:\Windows\SysWOW64\wmptd32.exe" C:\Users\Admin\AppData\Local\Temp\FEAD1D~1.EXE

C:\Windows\SysWOW64\wmptd32.exe

"C:\Windows\SysWOW64\wmptd32.exe" C:\Users\Admin\AppData\Local\Temp\FEAD1D~1.EXE

Network

Country Destination Domain Proto
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 18.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 138.91.171.81:80 tcp
US 8.8.8.8:53 206.221.208.4.in-addr.arpa udp
US 8.8.8.8:53 21.114.53.23.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 xe-0-4-0.level4-co2-as30979.su udp
US 66.128.53.179:80 tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 204.11.237.50:80 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 159.113.53.23.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
FR 195.137.213.67:80 tcp
US 8.8.8.8:53 25.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 51.15.97.104.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 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp

Files

memory/2032-0-0x0000000000400000-0x0000000000453000-memory.dmp

memory/2032-2-0x0000000000400000-0x0000000000453000-memory.dmp

memory/2032-3-0x0000000000400000-0x0000000000453000-memory.dmp

memory/2032-4-0x0000000000400000-0x0000000000453000-memory.dmp

C:\Windows\SysWOW64\wmptd32.exe

MD5 fead1d130afd2c3d7b89b87829248fee
SHA1 feb6a037b69f78168f9838edff720e9497a3dbe9
SHA256 9202a1a5a054b4d5dfba99700a759b503d378f011085b5682f407b944a473743
SHA512 da5bb302fa2ad6227e1419a715c3472f34b41ff72e01020fb9a09cfb1b3d3e312ec6da9ef795ef228fbc78923077b8d6ea9c409893ec304f87fa162357866cb6

memory/2032-42-0x0000000000400000-0x0000000000453000-memory.dmp

memory/4100-45-0x0000000000400000-0x0000000000453000-memory.dmp

memory/4100-46-0x0000000000400000-0x0000000000453000-memory.dmp

memory/4100-47-0x0000000000400000-0x0000000000453000-memory.dmp

memory/4100-53-0x0000000000400000-0x0000000000453000-memory.dmp