Malware Analysis Report

2025-04-14 04:44

Sample ID 240612-3rk3bszajr
Target a2fd1a3eb0cc438de8b1f8801fd34773_JaffaCakes118
SHA256 233146ebaceaf62b29750d27d9f0eaf52b2ba0fb10e67768b7fe27a697c3743c
Tags
persistence upx
score
7/10

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
7/10

SHA256

233146ebaceaf62b29750d27d9f0eaf52b2ba0fb10e67768b7fe27a697c3743c

Threat Level: Shows suspicious behavior

The file a2fd1a3eb0cc438de8b1f8801fd34773_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

persistence upx

UPX packed file

Adds Run key to start application

Program crash

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-12 23:44

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-12 23:44

Reported

2024-06-12 23:47

Platform

win7-20240220-en

Max time kernel

140s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a2fd1a3eb0cc438de8b1f8801fd34773_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
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\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\AS2014 = "C:\\ProgramData\\7Vn3VRss\\7Vn3VRss.exe" C:\Users\Admin\AppData\Local\Temp\a2fd1a3eb0cc438de8b1f8801fd34773_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a2fd1a3eb0cc438de8b1f8801fd34773_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a2fd1a3eb0cc438de8b1f8801fd34773_JaffaCakes118.exe"

Network

Country Destination Domain Proto
CN 219.235.1.127:80 tcp
CN 219.235.1.127:80 tcp
CN 219.235.1.127:80 tcp
CN 219.235.1.127:80 tcp
CN 219.235.1.127:80 tcp
CN 219.235.1.127:80 tcp
CN 219.235.1.127:80 tcp
CN 219.235.1.127:80 tcp
CN 219.235.1.127:80 tcp

Files

memory/3064-0-0x0000000000400000-0x0000000000507000-memory.dmp

memory/3064-3-0x0000000000489000-0x00000000004FF000-memory.dmp

memory/3064-4-0x0000000000400000-0x0000000000507000-memory.dmp

memory/3064-2-0x0000000001D70000-0x0000000001E77000-memory.dmp

memory/3064-7-0x0000000000400000-0x0000000000507000-memory.dmp

memory/3064-9-0x0000000000489000-0x00000000004FF000-memory.dmp

memory/3064-12-0x0000000000400000-0x0000000000507000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 23:44

Reported

2024-06-12 23:47

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

51s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a2fd1a3eb0cc438de8b1f8801fd34773_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\a2fd1a3eb0cc438de8b1f8801fd34773_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a2fd1a3eb0cc438de8b1f8801fd34773_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2828 -ip 2828

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2828 -s 396

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

memory/2828-0-0x0000000000400000-0x0000000000507000-memory.dmp