Malware Analysis Report

2024-10-19 09:33

Sample ID 240509-hspfxsfb2y
Target 28d2e5597774e7f480632172b2cc9566_JaffaCakes118
SHA256 384259c00ebd95e2c66d3555e2022e8b41c7cdf9f1e06c02944ad7614d77ec17
Tags
formbook ch92 rat spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

384259c00ebd95e2c66d3555e2022e8b41c7cdf9f1e06c02944ad7614d77ec17

Threat Level: Known bad

The file 28d2e5597774e7f480632172b2cc9566_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

formbook ch92 rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-09 07:00

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-09 07:00

Reported

2024-05-09 07:02

Platform

win7-20240215-en

Max time kernel

121s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2920 wrote to memory of 768 N/A C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe
PID 2920 wrote to memory of 768 N/A C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe
PID 2920 wrote to memory of 768 N/A C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe
PID 2920 wrote to memory of 768 N/A C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe
PID 2920 wrote to memory of 768 N/A C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe
PID 2920 wrote to memory of 768 N/A C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe
PID 2920 wrote to memory of 768 N/A C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe
PID 2920 wrote to memory of 768 N/A C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe"

Network

N/A

Files

memory/2920-2-0x0000000003B60000-0x0000000003BA0000-memory.dmp

memory/2920-3-0x0000000003B60000-0x0000000003BA0000-memory.dmp

memory/768-4-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2920-5-0x0000000077250000-0x0000000077326000-memory.dmp

memory/768-8-0x00000000008E0000-0x0000000000BE3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 07:00

Reported

2024-05-09 07:02

Platform

win10v2004-20240226-en

Max time kernel

144s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_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 SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3420 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe
PID 3420 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe
PID 3420 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe
PID 3420 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe
PID 3420 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe
PID 3420 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe
PID 3420 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\28d2e5597774e7f480632172b2cc9566_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=3780 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 216.58.212.202:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 pki.goog udp
US 8.8.8.8:53 pki.goog udp
US 216.239.32.29:80 pki.goog tcp
US 8.8.8.8:53 202.212.58.216.in-addr.arpa udp
US 8.8.8.8:53 29.32.239.216.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 17.14.97.104.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 66.112.168.52.in-addr.arpa udp

Files

memory/3420-2-0x0000000003120000-0x0000000003130000-memory.dmp

memory/3420-3-0x0000000076F81000-0x00000000770A1000-memory.dmp

memory/2028-5-0x0000000000400000-0x000000000042A000-memory.dmp