Malware Analysis Report

2025-01-18 12:38

Sample ID 240404-etvsjseh22
Target af594d3a1f091246b196ac370b8b4900_JaffaCakes118
SHA256 f13197aff6f530d9883aa1787cd57f4580c4c92bcaa5100f2641924c3e6867a5
Tags
formbook ed9s 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

f13197aff6f530d9883aa1787cd57f4580c4c92bcaa5100f2641924c3e6867a5

Threat Level: Known bad

The file af594d3a1f091246b196ac370b8b4900_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

formbook ed9s rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-04 04:14

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-04 04:14

Reported

2024-04-04 04:16

Platform

win7-20240220-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\af594d3a1f091246b196ac370b8b4900_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\af594d3a1f091246b196ac370b8b4900_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2312 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\af594d3a1f091246b196ac370b8b4900_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\af594d3a1f091246b196ac370b8b4900_JaffaCakes118.exe
PID 2312 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\af594d3a1f091246b196ac370b8b4900_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\af594d3a1f091246b196ac370b8b4900_JaffaCakes118.exe
PID 2312 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\af594d3a1f091246b196ac370b8b4900_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\af594d3a1f091246b196ac370b8b4900_JaffaCakes118.exe
PID 2312 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\af594d3a1f091246b196ac370b8b4900_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\af594d3a1f091246b196ac370b8b4900_JaffaCakes118.exe
PID 2312 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\af594d3a1f091246b196ac370b8b4900_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\af594d3a1f091246b196ac370b8b4900_JaffaCakes118.exe
PID 2312 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\af594d3a1f091246b196ac370b8b4900_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\af594d3a1f091246b196ac370b8b4900_JaffaCakes118.exe
PID 2312 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\af594d3a1f091246b196ac370b8b4900_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\af594d3a1f091246b196ac370b8b4900_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\af594d3a1f091246b196ac370b8b4900_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\af594d3a1f091246b196ac370b8b4900_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\af594d3a1f091246b196ac370b8b4900_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\af594d3a1f091246b196ac370b8b4900_JaffaCakes118.exe"

Network

N/A

Files

memory/2312-0-0x0000000000850000-0x00000000008D4000-memory.dmp

memory/2312-1-0x0000000074A80000-0x000000007516E000-memory.dmp

memory/2312-2-0x0000000007060000-0x00000000070A0000-memory.dmp

memory/2312-3-0x0000000000310000-0x000000000031E000-memory.dmp

memory/2312-4-0x0000000074A80000-0x000000007516E000-memory.dmp

memory/2312-5-0x0000000007060000-0x00000000070A0000-memory.dmp

memory/2312-6-0x0000000006FF0000-0x0000000007048000-memory.dmp

memory/2636-7-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2636-8-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2636-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2636-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2312-12-0x0000000074A80000-0x000000007516E000-memory.dmp

memory/2636-13-0x0000000000A70000-0x0000000000D73000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-04 04:14

Reported

2024-04-04 04:16

Platform

win10v2004-20240226-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\af594d3a1f091246b196ac370b8b4900_JaffaCakes118.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

Processes

C:\Users\Admin\AppData\Local\Temp\af594d3a1f091246b196ac370b8b4900_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\af594d3a1f091246b196ac370b8b4900_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\af594d3a1f091246b196ac370b8b4900_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\af594d3a1f091246b196ac370b8b4900_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 227.66.18.2.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 145.110.86.104.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 17.173.189.20.in-addr.arpa udp

Files

memory/768-1-0x0000000074420000-0x0000000074BD0000-memory.dmp

memory/768-0-0x0000000000900000-0x0000000000984000-memory.dmp

memory/768-2-0x0000000007D40000-0x00000000082E4000-memory.dmp

memory/768-3-0x0000000007830000-0x00000000078C2000-memory.dmp

memory/768-4-0x0000000007A70000-0x0000000007A80000-memory.dmp

memory/768-5-0x0000000007820000-0x000000000782A000-memory.dmp

memory/768-6-0x0000000004DC0000-0x0000000004DCE000-memory.dmp

memory/768-7-0x0000000074420000-0x0000000074BD0000-memory.dmp

memory/768-8-0x0000000007A70000-0x0000000007A80000-memory.dmp

memory/768-9-0x000000000C750000-0x000000000C7EC000-memory.dmp

memory/768-10-0x000000000C7F0000-0x000000000C848000-memory.dmp

memory/3440-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/768-13-0x0000000074420000-0x0000000074BD0000-memory.dmp

memory/3440-14-0x0000000001B00000-0x0000000001E4A000-memory.dmp

memory/3440-15-0x0000000001B00000-0x0000000001E4A000-memory.dmp