Malware Analysis Report

2025-01-03 09:35

Sample ID 240604-dzesvacc27
Target 937e8766b89aa6b8825384afab108f55_JaffaCakes118
SHA256 55add16f2014fb6509e9c78f74d23fa99bd6354375230e8b1fcaca54be5c99e8
Tags
bootkit 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

55add16f2014fb6509e9c78f74d23fa99bd6354375230e8b1fcaca54be5c99e8

Threat Level: Shows suspicious behavior

The file 937e8766b89aa6b8825384afab108f55_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

Enumerates connected drives

Writes to the Master Boot Record (MBR)

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-04 03:26

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-04 03:26

Reported

2024-06-04 03:29

Platform

win7-20231129-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe"

Signatures

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\t: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\h: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\o: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\p: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\r: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\x: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\y: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\e: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\m: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\s: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\i: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\j: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\k: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\l: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\n: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\q: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\u: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\v: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\g: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\z: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\w: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_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\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 b.coughstuffs.com udp
US 8.8.8.8:53 b.coughstuffs.com udp

Files

memory/2888-0-0x0000000000400000-0x0000000000484000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-04 03:26

Reported

2024-06-04 03:29

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe"

Signatures

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\j: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\n: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\r: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\x: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\o: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\q: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\s: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\u: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\h: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\i: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\l: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\m: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\z: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\w: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\g: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\k: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\t: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\v: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\e: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\p: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A
File opened (read-only) \??\y: C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_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\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\937e8766b89aa6b8825384afab108f55_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 b.coughstuffs.com udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 b.coughstuffs.com udp
US 8.8.8.8:53 b.coughstuffs.com udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 b.coughstuffs.com udp
US 8.8.8.8:53 b.coughstuffs.com udp
US 8.8.8.8:53 b.coughstuffs.com udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 b.coughstuffs.com udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 b.coughstuffs.com udp
US 8.8.8.8:53 b.coughstuffs.com udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 52.111.229.43:443 tcp
US 8.8.8.8:53 21.236.111.52.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 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 2.173.189.20.in-addr.arpa udp

Files

memory/620-0-0x0000000000400000-0x0000000000484000-memory.dmp