Malware Analysis Report

2025-01-18 12:38

Sample ID 240405-alhqssfc66
Target c5af3ffcbffc142f31dacc040fcc5d35_JaffaCakes118
SHA256 fc79ac22a40cdc6c5bb5581cdbfde9a72fab2034bcfb1ca04208d5ed5ee0f2cd
Tags
formbook pn4r 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

fc79ac22a40cdc6c5bb5581cdbfde9a72fab2034bcfb1ca04208d5ed5ee0f2cd

Threat Level: Known bad

The file c5af3ffcbffc142f31dacc040fcc5d35_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

formbook pn4r 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

2024-04-05 00:17

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-05 00:17

Reported

2024-04-05 00:20

Platform

win7-20240221-en

Max time kernel

117s

Max time network

117s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c5af3ffcbffc142f31dacc040fcc5d35_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\c5af3ffcbffc142f31dacc040fcc5d35_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2156 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\c5af3ffcbffc142f31dacc040fcc5d35_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c5af3ffcbffc142f31dacc040fcc5d35_JaffaCakes118.exe
PID 2156 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\c5af3ffcbffc142f31dacc040fcc5d35_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c5af3ffcbffc142f31dacc040fcc5d35_JaffaCakes118.exe
PID 2156 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\c5af3ffcbffc142f31dacc040fcc5d35_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c5af3ffcbffc142f31dacc040fcc5d35_JaffaCakes118.exe
PID 2156 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\c5af3ffcbffc142f31dacc040fcc5d35_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c5af3ffcbffc142f31dacc040fcc5d35_JaffaCakes118.exe
PID 2156 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\c5af3ffcbffc142f31dacc040fcc5d35_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c5af3ffcbffc142f31dacc040fcc5d35_JaffaCakes118.exe
PID 2156 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\c5af3ffcbffc142f31dacc040fcc5d35_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c5af3ffcbffc142f31dacc040fcc5d35_JaffaCakes118.exe
PID 2156 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\c5af3ffcbffc142f31dacc040fcc5d35_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c5af3ffcbffc142f31dacc040fcc5d35_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c5af3ffcbffc142f31dacc040fcc5d35_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c5af3ffcbffc142f31dacc040fcc5d35_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\c5af3ffcbffc142f31dacc040fcc5d35_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c5af3ffcbffc142f31dacc040fcc5d35_JaffaCakes118.exe"

Network

N/A

Files

memory/2156-0-0x0000000001000000-0x0000000001084000-memory.dmp

memory/2156-1-0x0000000074540000-0x0000000074C2E000-memory.dmp

memory/2156-2-0x00000000071D0000-0x0000000007210000-memory.dmp

memory/2156-3-0x0000000000490000-0x000000000049E000-memory.dmp

memory/2156-4-0x0000000074540000-0x0000000074C2E000-memory.dmp

memory/2156-5-0x00000000071D0000-0x0000000007210000-memory.dmp

memory/2156-6-0x0000000000FB0000-0x0000000001008000-memory.dmp

memory/2400-7-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2400-8-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2400-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2400-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2400-13-0x0000000000860000-0x0000000000B63000-memory.dmp

memory/2156-12-0x0000000074540000-0x0000000074C2E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-05 00:17

Reported

2024-04-05 00:20

Platform

win10v2004-20240226-en

Max time kernel

147s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c5af3ffcbffc142f31dacc040fcc5d35_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\c5af3ffcbffc142f31dacc040fcc5d35_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c5af3ffcbffc142f31dacc040fcc5d35_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\c5af3ffcbffc142f31dacc040fcc5d35_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c5af3ffcbffc142f31dacc040fcc5d35_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 145.110.86.104.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 210.80.50.20.in-addr.arpa udp

Files

memory/4964-0-0x0000000000110000-0x0000000000194000-memory.dmp

memory/4964-1-0x0000000074750000-0x0000000074F00000-memory.dmp

memory/4964-2-0x0000000007500000-0x0000000007AA4000-memory.dmp

memory/4964-3-0x0000000007010000-0x00000000070A2000-memory.dmp

memory/4964-4-0x00000000071B0000-0x00000000071C0000-memory.dmp

memory/4964-5-0x00000000070D0000-0x00000000070DA000-memory.dmp

memory/4964-6-0x00000000073A0000-0x00000000073AE000-memory.dmp

memory/4964-7-0x0000000074750000-0x0000000074F00000-memory.dmp

memory/4964-8-0x00000000071B0000-0x00000000071C0000-memory.dmp

memory/4964-9-0x000000000C0E0000-0x000000000C17C000-memory.dmp

memory/4964-10-0x000000000C1D0000-0x000000000C228000-memory.dmp

memory/1596-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/4964-13-0x0000000074750000-0x0000000074F00000-memory.dmp

memory/1596-14-0x0000000001530000-0x000000000187A000-memory.dmp

memory/1596-15-0x0000000001530000-0x000000000187A000-memory.dmp