Malware Analysis Report

2025-01-03 09:11

Sample ID 240620-mz7nasxfrj
Target 055647a430d5f365564837eaca1121f3_JaffaCakes118
SHA256 71057e4e929ae385acde4da1623c18a0e429e375b209882c3bc71ad3adaba8c3
Tags
upx bootkit persistence
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

71057e4e929ae385acde4da1623c18a0e429e375b209882c3bc71ad3adaba8c3

Threat Level: Shows suspicious behavior

The file 055647a430d5f365564837eaca1121f3_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx bootkit persistence

UPX packed file

Enumerates connected drives

Writes to the Master Boot Record (MBR)

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-20 10:55

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-20 10:55

Reported

2024-06-20 10:57

Platform

win7-20240508-en

Max time kernel

118s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_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

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\x: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\e: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\i: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\j: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\k: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\p: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\q: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\t: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\n: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\o: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\s: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\u: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\g: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\v: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\w: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\y: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\h: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\l: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\m: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\r: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\z: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 tei.fivemillionfriends.com udp
US 8.8.8.8:53 tei.fivemillionfriends.com udp

Files

memory/1304-0-0x0000000000400000-0x0000000000473000-memory.dmp

memory/1304-1-0x0000000000400000-0x0000000000473000-memory.dmp

memory/1304-2-0x0000000000400000-0x0000000000473000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-20 10:55

Reported

2024-06-20 10:57

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_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

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\u: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\w: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\h: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\l: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\p: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\v: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\x: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\e: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\g: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\i: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\r: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\s: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\m: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\o: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\q: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\t: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\y: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\z: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\j: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\k: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A
File opened (read-only) \??\n: C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\055647a430d5f365564837eaca1121f3_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 tei.fivemillionfriends.com udp
US 8.8.8.8:53 tei.fivemillionfriends.com udp
US 8.8.8.8:53 tei.fivemillionfriends.com udp
US 8.8.8.8:53 tei.fivemillionfriends.com udp
US 8.8.8.8:53 tei.fivemillionfriends.com udp
US 8.8.8.8:53 tei.fivemillionfriends.com udp
US 8.8.8.8:53 tei.fivemillionfriends.com udp
US 8.8.8.8:53 tei.fivemillionfriends.com udp
US 8.8.8.8:53 tei.fivemillionfriends.com udp
US 8.8.8.8:53 tei.fivemillionfriends.com udp

Files

memory/4212-0-0x0000000000400000-0x0000000000473000-memory.dmp

memory/4212-1-0x0000000000400000-0x0000000000473000-memory.dmp

memory/4212-2-0x0000000000400000-0x0000000000473000-memory.dmp