Malware Analysis Report

2025-01-03 09:16

Sample ID 240620-pvw24ssarp
Target 060db01dc499c841b7bfe0ed33dd8e24_JaffaCakes118
SHA256 b6d1243ab84286d1975662c4880032cc4004550ff49d46d4aee218421944633f
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

b6d1243ab84286d1975662c4880032cc4004550ff49d46d4aee218421944633f

Threat Level: Shows suspicious behavior

The file 060db01dc499c841b7bfe0ed33dd8e24_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

Program crash

Writes to the Master Boot Record (MBR)

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-20 12:39

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-20 12:39

Reported

2024-06-20 12:42

Platform

win7-20240419-en

Max time kernel

118s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\060db01dc499c841b7bfe0ed33dd8e24_JaffaCakes118.exe"

Signatures

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3000 set thread context of 1828 N/A C:\Users\Admin\AppData\Local\Temp\060db01dc499c841b7bfe0ed33dd8e24_JaffaCakes118.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\060db01dc499c841b7bfe0ed33dd8e24_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3000 wrote to memory of 1828 N/A C:\Users\Admin\AppData\Local\Temp\060db01dc499c841b7bfe0ed33dd8e24_JaffaCakes118.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 3000 wrote to memory of 1828 N/A C:\Users\Admin\AppData\Local\Temp\060db01dc499c841b7bfe0ed33dd8e24_JaffaCakes118.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 3000 wrote to memory of 1828 N/A C:\Users\Admin\AppData\Local\Temp\060db01dc499c841b7bfe0ed33dd8e24_JaffaCakes118.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 3000 wrote to memory of 1828 N/A C:\Users\Admin\AppData\Local\Temp\060db01dc499c841b7bfe0ed33dd8e24_JaffaCakes118.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 3000 wrote to memory of 1828 N/A C:\Users\Admin\AppData\Local\Temp\060db01dc499c841b7bfe0ed33dd8e24_JaffaCakes118.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 3000 wrote to memory of 1828 N/A C:\Users\Admin\AppData\Local\Temp\060db01dc499c841b7bfe0ed33dd8e24_JaffaCakes118.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 3000 wrote to memory of 1828 N/A C:\Users\Admin\AppData\Local\Temp\060db01dc499c841b7bfe0ed33dd8e24_JaffaCakes118.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 3000 wrote to memory of 1828 N/A C:\Users\Admin\AppData\Local\Temp\060db01dc499c841b7bfe0ed33dd8e24_JaffaCakes118.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 1828 wrote to memory of 2992 N/A C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE C:\Windows\SysWOW64\WerFault.exe
PID 1828 wrote to memory of 2992 N/A C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE C:\Windows\SysWOW64\WerFault.exe
PID 1828 wrote to memory of 2992 N/A C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE C:\Windows\SysWOW64\WerFault.exe
PID 1828 wrote to memory of 2992 N/A C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\060db01dc499c841b7bfe0ed33dd8e24_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\060db01dc499c841b7bfe0ed33dd8e24_JaffaCakes118.exe"

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE

"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1828 -s 156

Network

N/A

Files

memory/3000-0-0x0000000014140000-0x0000000014149000-memory.dmp

memory/3000-1-0x0000000014140000-0x0000000014149000-memory.dmp

memory/1828-2-0x0000000013140000-0x00000000131E8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-20 12:39

Reported

2024-06-20 12:42

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\060db01dc499c841b7bfe0ed33dd8e24_JaffaCakes118.exe"

Signatures

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2884 set thread context of 4860 N/A C:\Users\Admin\AppData\Local\Temp\060db01dc499c841b7bfe0ed33dd8e24_JaffaCakes118.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\060db01dc499c841b7bfe0ed33dd8e24_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\060db01dc499c841b7bfe0ed33dd8e24_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\060db01dc499c841b7bfe0ed33dd8e24_JaffaCakes118.exe"

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE

"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"

Network

Country Destination Domain Proto
US 66.246.252.215:80 tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 66.246.72.173:80 tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 67.18.114.98:80 tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 208.66.194.241:80 tcp
US 66.246.252.213:80 tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 66.246.252.215:80 tcp
US 66.246.252.215:80 tcp
US 8.8.8.8:53 28.173.189.20.in-addr.arpa udp

Files

memory/2884-0-0x0000000014140000-0x0000000014149000-memory.dmp

memory/2884-1-0x0000000014140000-0x0000000014149000-memory.dmp

memory/4860-2-0x0000000013140000-0x00000000131E8000-memory.dmp