Malware Analysis Report

2025-03-14 22:26

Sample ID 240407-3db79shg62
Target e619ea5a52b4773833684f7933ad721a_JaffaCakes118
SHA256 3a6d2559cf96e1492b261dd3823f57ae37b8664b6e07aca65e60ba0f31c426a6
Tags
persistence
score
6/10

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
6/10

SHA256

3a6d2559cf96e1492b261dd3823f57ae37b8664b6e07aca65e60ba0f31c426a6

Threat Level: Shows suspicious behavior

The file e619ea5a52b4773833684f7933ad721a_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

persistence

Adds Run key to start application

Drops file in System32 directory

Unsigned PE

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-07 23:23

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-07 23:23

Reported

2024-04-07 23:26

Platform

win7-20240221-en

Max time kernel

150s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e619ea5a52b4773833684f7933ad721a_JaffaCakes118.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WinShellMesseger = "C:\\Windows\\system32\\e619ea5a52b4773833684f7933ad721a_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\e619ea5a52b4773833684f7933ad721a_JaffaCakes118.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\e619ea5a52b4773833684f7933ad721a_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\e619ea5a52b4773833684f7933ad721a_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\e619ea5a52b4773833684f7933ad721a_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\e619ea5a52b4773833684f7933ad721a_JaffaCakes118.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e619ea5a52b4773833684f7933ad721a_JaffaCakes118.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e619ea5a52b4773833684f7933ad721a_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e619ea5a52b4773833684f7933ad721a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e619ea5a52b4773833684f7933ad721a_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 br.msn.com udp
US 8.8.8.8:53 www.google.com.br udp
DE 142.250.186.99:80 www.google.com.br tcp
US 8.8.8.8:53 fotoswebnet.rbcmail.ru udp
RU 194.58.112.165:80 fotoswebnet.rbcmail.ru tcp
RU 194.58.112.165:80 fotoswebnet.rbcmail.ru tcp

Files

memory/1940-0-0x0000000000220000-0x0000000000221000-memory.dmp

memory/1940-2-0x0000000000400000-0x00000000004A2000-memory.dmp

memory/1940-4-0x0000000000220000-0x0000000000221000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-07 23:23

Reported

2024-04-07 23:26

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e619ea5a52b4773833684f7933ad721a_JaffaCakes118.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WinShellMesseger = "C:\\Windows\\system32\\e619ea5a52b4773833684f7933ad721a_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\e619ea5a52b4773833684f7933ad721a_JaffaCakes118.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\e619ea5a52b4773833684f7933ad721a_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\e619ea5a52b4773833684f7933ad721a_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\e619ea5a52b4773833684f7933ad721a_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\e619ea5a52b4773833684f7933ad721a_JaffaCakes118.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e619ea5a52b4773833684f7933ad721a_JaffaCakes118.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e619ea5a52b4773833684f7933ad721a_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e619ea5a52b4773833684f7933ad721a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e619ea5a52b4773833684f7933ad721a_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1940 -ip 1940

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1940 -s 220

Network

Country Destination Domain Proto
US 8.8.8.8:53 br.msn.com udp
US 8.8.8.8:53 www.google.com.br udp
DE 142.250.186.99:80 www.google.com.br tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 fotoswebnet.rbcmail.ru udp
RU 194.58.112.165:80 fotoswebnet.rbcmail.ru tcp
RU 194.58.112.165:80 fotoswebnet.rbcmail.ru tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 99.186.250.142.in-addr.arpa udp
US 8.8.8.8:53 165.112.58.194.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 130.118.77.104.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/1940-0-0x00000000007A0000-0x00000000007A1000-memory.dmp

memory/1940-2-0x0000000000400000-0x00000000004A2000-memory.dmp

memory/1940-4-0x00000000007A0000-0x00000000007A1000-memory.dmp