Malware Analysis Report

2025-01-03 08:21

Sample ID 240706-r83g6a1gjm
Target 288d9855e9de0cfcee73d02fef6668af_JaffaCakes118
SHA256 edea0666049c8171aa39ffce3298aa835e3f95e945addcaa40c4c9340dd61cb7
Tags
upx metasploit backdoor persistence trojan
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

edea0666049c8171aa39ffce3298aa835e3f95e945addcaa40c4c9340dd61cb7

Threat Level: Known bad

The file 288d9855e9de0cfcee73d02fef6668af_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

upx metasploit backdoor persistence trojan

MetaSploit

Adds policy Run key to start application

Executes dropped EXE

UPX packed file

Adds Run key to start application

Drops file in Windows directory

Program crash

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-06 14:52

Signatures

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-06 14:52

Reported

2024-07-06 15:15

Platform

win7-20240221-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\288d9855e9de0cfcee73d02fef6668af_JaffaCakes118.exe"

Signatures

MetaSploit

trojan backdoor metasploit

Adds policy Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run C:\Users\Admin\AppData\Local\Temp\288d9855e9de0cfcee73d02fef6668af_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Microsoft Driver Setup = "C:\\Windows\\WindowsUpdate.exe" C:\Users\Admin\AppData\Local\Temp\288d9855e9de0cfcee73d02fef6668af_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\WindowsUpdate.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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Driver Setup = "C:\\Windows\\WindowsUpdate.exe" C:\Users\Admin\AppData\Local\Temp\288d9855e9de0cfcee73d02fef6668af_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\WindowsUpdate.exe C:\Users\Admin\AppData\Local\Temp\288d9855e9de0cfcee73d02fef6668af_JaffaCakes118.exe N/A
File opened for modification C:\Windows\WindowsUpdate.exe C:\Users\Admin\AppData\Local\Temp\288d9855e9de0cfcee73d02fef6668af_JaffaCakes118.exe N/A
File created C:\Windows\log32.txt C:\Windows\WindowsUpdate.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\288d9855e9de0cfcee73d02fef6668af_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\288d9855e9de0cfcee73d02fef6668af_JaffaCakes118.exe"

C:\Windows\WindowsUpdate.exe

"C:\Windows\WindowsUpdate.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 id.uplink24.org udp

Files

memory/2320-0-0x0000000000400000-0x0000000000462000-memory.dmp

memory/2320-1-0x0000000000220000-0x0000000000223000-memory.dmp

memory/2320-2-0x0000000000400000-0x0000000000462000-memory.dmp

C:\Windows\WindowsUpdate.exe

MD5 288d9855e9de0cfcee73d02fef6668af
SHA1 4f9ee64a5cc262d70609e374bdcef803a28208ac
SHA256 edea0666049c8171aa39ffce3298aa835e3f95e945addcaa40c4c9340dd61cb7
SHA512 0eb220991f9e2f36df5c28ccf0446eddb98cde6e9168c37cba4aabb2df1f909299524153d79ccd7997fb92a12f4a85a13d988fab0221b41f809914192296fd12

memory/3004-9-0x0000000000230000-0x0000000000292000-memory.dmp

memory/3004-10-0x0000000000230000-0x0000000000292000-memory.dmp

memory/3004-11-0x0000000000400000-0x0000000000462000-memory.dmp

memory/2320-13-0x0000000000400000-0x0000000000462000-memory.dmp

memory/3004-14-0x0000000000400000-0x0000000000462000-memory.dmp

memory/3004-15-0x0000000000400000-0x0000000000462000-memory.dmp

memory/3004-16-0x0000000000400000-0x0000000000462000-memory.dmp

memory/3004-17-0x0000000000400000-0x0000000000462000-memory.dmp

memory/3004-18-0x0000000000400000-0x0000000000462000-memory.dmp

memory/3004-19-0x0000000000400000-0x0000000000462000-memory.dmp

memory/3004-20-0x0000000000400000-0x0000000000462000-memory.dmp

memory/3004-21-0x0000000000400000-0x0000000000462000-memory.dmp

memory/3004-22-0x0000000000400000-0x0000000000462000-memory.dmp

memory/3004-23-0x0000000000400000-0x0000000000462000-memory.dmp

memory/3004-24-0x0000000000400000-0x0000000000462000-memory.dmp

memory/3004-25-0x0000000000400000-0x0000000000462000-memory.dmp

memory/3004-26-0x0000000000400000-0x0000000000462000-memory.dmp

memory/3004-27-0x0000000000400000-0x0000000000462000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-06 14:52

Reported

2024-07-06 15:15

Platform

win10v2004-20240704-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\288d9855e9de0cfcee73d02fef6668af_JaffaCakes118.exe"

Signatures

UPX packed file

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

Processes

C:\Users\Admin\AppData\Local\Temp\288d9855e9de0cfcee73d02fef6668af_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\288d9855e9de0cfcee73d02fef6668af_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2116 -ip 2116

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2116 -s 316

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 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 26.178.89.13.in-addr.arpa udp

Files

memory/2116-0-0x0000000000400000-0x0000000000462000-memory.dmp

memory/2116-1-0x0000000000400000-0x0000000000462000-memory.dmp