Malware Analysis Report

2025-01-03 09:24

Sample ID 240620-re5qeswbjl
Target 06acfe6fbe9b9913b33da423f3c8bc6a_JaffaCakes118
SHA256 381781fb02d694d488c27e998855ac4aa2f6569ac8ef053accd69e9b86313683
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

381781fb02d694d488c27e998855ac4aa2f6569ac8ef053accd69e9b86313683

Threat Level: Shows suspicious behavior

The file 06acfe6fbe9b9913b33da423f3c8bc6a_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

Writes to the Master Boot Record (MBR)

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-20 14:07

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-20 14:07

Reported

2024-06-20 14:09

Platform

win7-20240419-en

Max time kernel

129s

Max time network

138s

Command Line

"C:\Users\Admin\AppData\Local\Temp\06acfe6fbe9b9913b33da423f3c8bc6a_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 2944 set thread context of 2964 N/A C:\Users\Admin\AppData\Local\Temp\06acfe6fbe9b9913b33da423f3c8bc6a_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\06acfe6fbe9b9913b33da423f3c8bc6a_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\06acfe6fbe9b9913b33da423f3c8bc6a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\06acfe6fbe9b9913b33da423f3c8bc6a_JaffaCakes118.exe"

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

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

Network

Country Destination Domain Proto
US 67.18.114.98:80 tcp
US 208.66.194.241:80 tcp
US 66.246.252.213:80 tcp
US 66.246.252.215:80 tcp
US 208.66.194.234:80 tcp
US 66.246.72.173:80 tcp
US 67.18.114.98:80 tcp

Files

memory/2964-0-0x0000000013140000-0x000000001324A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-20 14:07

Reported

2024-06-20 14:09

Platform

win10v2004-20240611-en

Max time kernel

150s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\06acfe6fbe9b9913b33da423f3c8bc6a_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 628 set thread context of 2868 N/A C:\Users\Admin\AppData\Local\Temp\06acfe6fbe9b9913b33da423f3c8bc6a_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\06acfe6fbe9b9913b33da423f3c8bc6a_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\06acfe6fbe9b9913b33da423f3c8bc6a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\06acfe6fbe9b9913b33da423f3c8bc6a_JaffaCakes118.exe"

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

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

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=2792,i,1236064252342462940,13180713657498721890,262144 --variations-seed-version --mojo-platform-channel-handle=4328 /prefetch:8

Network

Country Destination Domain Proto
US 67.18.114.98:80 tcp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
NL 23.62.61.88:443 www.bing.com tcp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 97.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 88.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 208.66.194.241:80 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 66.246.252.213:80 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 66.246.252.215:80 tcp
US 208.66.194.234:80 tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 66.246.72.173:80 tcp
US 67.18.114.98:80 tcp
US 208.66.194.241:80 tcp

Files

memory/2868-0-0x0000000013140000-0x000000001324A000-memory.dmp