Malware Analysis Report

2024-10-23 22:16

Sample ID 240508-jjgv6ahg7w
Target 23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118
SHA256 bccde349905fcc2c6c393e3f8664d37e640fbd8ec43fbdf47ab899fe8b443344
Tags
formbook ts 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

bccde349905fcc2c6c393e3f8664d37e640fbd8ec43fbdf47ab899fe8b443344

Threat Level: Known bad

The file 23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

formbook ts rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-08 07:41

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-08 07:41

Reported

2024-05-08 07:44

Platform

win7-20231129-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_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\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2352 wrote to memory of 1600 N/A C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe
PID 2352 wrote to memory of 1600 N/A C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe
PID 2352 wrote to memory of 1600 N/A C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe
PID 2352 wrote to memory of 1600 N/A C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe
PID 2352 wrote to memory of 1600 N/A C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe
PID 2352 wrote to memory of 1600 N/A C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe
PID 2352 wrote to memory of 1600 N/A C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe
PID 2352 wrote to memory of 1600 N/A C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe"

Network

N/A

Files

memory/2352-6-0x0000000000590000-0x0000000000690000-memory.dmp

memory/1600-5-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2352-4-0x0000000077970000-0x0000000077B19000-memory.dmp

memory/1600-7-0x0000000077970000-0x0000000077B19000-memory.dmp

memory/2352-3-0x0000000077971000-0x0000000077A72000-memory.dmp

memory/1600-10-0x0000000000910000-0x0000000000C13000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-08 07:41

Reported

2024-05-08 07:44

Platform

win10v2004-20240426-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_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\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4448 wrote to memory of 2452 N/A C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe
PID 4448 wrote to memory of 2452 N/A C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe
PID 4448 wrote to memory of 2452 N/A C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe
PID 4448 wrote to memory of 2452 N/A C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe
PID 4448 wrote to memory of 2452 N/A C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe
PID 4448 wrote to memory of 2452 N/A C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe
PID 4448 wrote to memory of 2452 N/A C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\23dc2a640442410ae6c23a73c2e2ae52_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
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 95.221.229.192.in-addr.arpa udp
BE 2.17.107.129:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 129.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 139.53.16.96.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp

Files

memory/2452-6-0x0000000000400000-0x000000000042A000-memory.dmp

memory/4448-5-0x0000000076EA1000-0x0000000076FC1000-memory.dmp