Malware Analysis Report

2024-10-19 09:35

Sample ID 240510-mejezahb5z
Target 2ea720e08d23620eec19036e1e019fde_JaffaCakes118
SHA256 c2b83fb9b026ac37aaa0fa3599494f848c7d2ecd4da2493e6842fba00b31dba0
Tags
formbook sl 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

c2b83fb9b026ac37aaa0fa3599494f848c7d2ecd4da2493e6842fba00b31dba0

Threat Level: Known bad

The file 2ea720e08d23620eec19036e1e019fde_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

formbook sl rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-10 10:22

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-10 10:22

Reported

2024-05-10 10:25

Platform

win7-20240508-en

Max time kernel

119s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_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\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1924 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe
PID 1924 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe
PID 1924 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe
PID 1924 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe
PID 1924 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe
PID 1924 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe
PID 1924 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe
PID 1924 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe"

Network

N/A

Files

memory/1924-3-0x0000000077751000-0x0000000077852000-memory.dmp

memory/1924-6-0x0000000000600000-0x0000000000700000-memory.dmp

memory/2988-5-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1924-4-0x0000000077750000-0x00000000778F9000-memory.dmp

memory/2988-7-0x0000000077750000-0x00000000778F9000-memory.dmp

memory/2988-10-0x0000000000770000-0x0000000000A73000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-10 10:22

Reported

2024-05-10 10:25

Platform

win10v2004-20240508-en

Max time kernel

92s

Max time network

100s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_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\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3932 wrote to memory of 1020 N/A C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe
PID 3932 wrote to memory of 1020 N/A C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe
PID 3932 wrote to memory of 1020 N/A C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe
PID 3932 wrote to memory of 1020 N/A C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe
PID 3932 wrote to memory of 1020 N/A C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe
PID 3932 wrote to memory of 1020 N/A C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe
PID 3932 wrote to memory of 1020 N/A C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\2ea720e08d23620eec19036e1e019fde_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
NL 23.62.61.99:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.99:443 www.bing.com tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 99.61.62.23.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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 52.111.229.43:443 tcp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp

Files

memory/3932-5-0x0000000077971000-0x0000000077A91000-memory.dmp

memory/1020-6-0x0000000000400000-0x000000000042A000-memory.dmp