Malware Analysis Report

2024-10-19 09:33

Sample ID 240509-ssdpjagf6z
Target 2a9a30eec97ab00aa5383eb5b7b39e4c_JaffaCakes118
SHA256 61c879a82dd2352181a729b07d05a8d4c871a120a1ca69a673892b7ecb5b95c1
Tags
formbook l7 bootkit persistence rat spyware stealer trojan
score
10/10

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
10/10

SHA256

61c879a82dd2352181a729b07d05a8d4c871a120a1ca69a673892b7ecb5b95c1

Threat Level: Known bad

The file 2a9a30eec97ab00aa5383eb5b7b39e4c_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

formbook l7 bootkit persistence rat spyware stealer trojan

Formbook

Formbook payload

Writes to the Master Boot Record (MBR)

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious behavior: EnumeratesProcesses

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-09 15:22

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-09 15:22

Reported

2024-05-09 15:25

Platform

win7-20240508-en

Max time kernel

117s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2a9a30eec97ab00aa5383eb5b7b39e4c_JaffaCakes118.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

rat
Description Indicator Process Target
N/A N/A N/A 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\2a9a30eec97ab00aa5383eb5b7b39e4c_JaffaCakes118.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2a9a30eec97ab00aa5383eb5b7b39e4c_JaffaCakes118.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2a9a30eec97ab00aa5383eb5b7b39e4c_JaffaCakes118.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2a9a30eec97ab00aa5383eb5b7b39e4c_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2a9a30eec97ab00aa5383eb5b7b39e4c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\2a9a30eec97ab00aa5383eb5b7b39e4c_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\2a9a30eec97ab00aa5383eb5b7b39e4c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\2a9a30eec97ab00aa5383eb5b7b39e4c_JaffaCakes118.exe"

Network

N/A

Files

memory/2236-5-0x00000000003A0000-0x00000000003A1000-memory.dmp

memory/2236-8-0x0000000000330000-0x0000000000372000-memory.dmp

memory/2236-7-0x0000000000280000-0x0000000000281000-memory.dmp

memory/2236-6-0x0000000000390000-0x0000000000391000-memory.dmp

memory/2236-4-0x00000000003B0000-0x00000000003B1000-memory.dmp

memory/2236-3-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2236-2-0x0000000000230000-0x0000000000231000-memory.dmp

memory/2236-1-0x00000000003F0000-0x00000000003F1000-memory.dmp

memory/2236-0-0x0000000000400000-0x0000000000565000-memory.dmp

memory/2236-11-0x0000000001FC0000-0x0000000001FC1000-memory.dmp

memory/2236-10-0x0000000001F80000-0x0000000001F81000-memory.dmp

memory/2236-9-0x0000000000380000-0x0000000000381000-memory.dmp

memory/2236-12-0x00000000020D0000-0x00000000020D1000-memory.dmp

memory/2236-13-0x0000000000400000-0x0000000000565000-memory.dmp

memory/2236-14-0x0000000000330000-0x0000000000372000-memory.dmp

memory/2236-16-0x00000000020D0000-0x00000000020D1000-memory.dmp

memory/2236-17-0x0000000000400000-0x0000000000565000-memory.dmp

memory/2752-18-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2752-22-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2752-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2236-24-0x0000000000400000-0x0000000000565000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 15:22

Reported

2024-05-09 15:25

Platform

win10v2004-20240226-en

Max time kernel

143s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2a9a30eec97ab00aa5383eb5b7b39e4c_JaffaCakes118.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2a9a30eec97ab00aa5383eb5b7b39e4c_JaffaCakes118.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2a9a30eec97ab00aa5383eb5b7b39e4c_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2a9a30eec97ab00aa5383eb5b7b39e4c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\2a9a30eec97ab00aa5383eb5b7b39e4c_JaffaCakes118.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 --no-appcompat-clear --mojo-platform-channel-handle=4040 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8

C:\Users\Admin\AppData\Local\Temp\2a9a30eec97ab00aa5383eb5b7b39e4c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\2a9a30eec97ab00aa5383eb5b7b39e4c_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 20.231.121.79:80 tcp
US 8.8.8.8:53 104.211.222.173.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 13.107.246.64:443 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 24.173.189.20.in-addr.arpa udp

Files

memory/3076-0-0x0000000000400000-0x0000000000565000-memory.dmp

memory/3076-1-0x0000000002300000-0x0000000002342000-memory.dmp

memory/3076-8-0x00000000022D0000-0x00000000022D1000-memory.dmp

memory/3076-7-0x0000000002360000-0x0000000002361000-memory.dmp

memory/3076-6-0x0000000002370000-0x0000000002371000-memory.dmp

memory/3076-5-0x0000000002380000-0x0000000002381000-memory.dmp

memory/3076-4-0x00000000022B0000-0x00000000022B1000-memory.dmp

memory/3076-3-0x00000000022C0000-0x00000000022C1000-memory.dmp

memory/3076-2-0x00000000023B0000-0x00000000023B1000-memory.dmp

memory/3076-10-0x0000000002350000-0x0000000002351000-memory.dmp

memory/3076-9-0x0000000000400000-0x0000000000565000-memory.dmp

memory/3076-11-0x00000000023D0000-0x00000000023D1000-memory.dmp

memory/3076-12-0x0000000002410000-0x0000000002411000-memory.dmp

memory/3076-13-0x0000000002680000-0x0000000002681000-memory.dmp

memory/3076-14-0x0000000000400000-0x0000000000565000-memory.dmp

memory/3076-15-0x0000000000400000-0x0000000000565000-memory.dmp

memory/3076-16-0x0000000002300000-0x0000000002342000-memory.dmp

memory/3076-18-0x0000000002680000-0x0000000002681000-memory.dmp

memory/4748-20-0x0000000000400000-0x000000000042A000-memory.dmp

memory/3076-22-0x0000000000400000-0x0000000000565000-memory.dmp