Malware Analysis Report

2025-01-18 12:41

Sample ID 240402-xs95ysag2s
Target 94abfdf47572a6023f28be8b72f2fb74_JaffaCakes118
SHA256 b0cfa1848c7b08eb881e615731493df57963468fa3fb461ebf1468271dd17a14
Tags
formbook jy0b 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

b0cfa1848c7b08eb881e615731493df57963468fa3fb461ebf1468271dd17a14

Threat Level: Known bad

The file 94abfdf47572a6023f28be8b72f2fb74_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

formbook jy0b rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-02 19:08

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-02 19:08

Reported

2024-04-02 19:10

Platform

win7-20240221-en

Max time kernel

120s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\94abfdf47572a6023f28be8b72f2fb74_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\94abfdf47572a6023f28be8b72f2fb74_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2468 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Temp\94abfdf47572a6023f28be8b72f2fb74_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\94abfdf47572a6023f28be8b72f2fb74_JaffaCakes118.exe
PID 2468 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Temp\94abfdf47572a6023f28be8b72f2fb74_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\94abfdf47572a6023f28be8b72f2fb74_JaffaCakes118.exe
PID 2468 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Temp\94abfdf47572a6023f28be8b72f2fb74_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\94abfdf47572a6023f28be8b72f2fb74_JaffaCakes118.exe
PID 2468 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Temp\94abfdf47572a6023f28be8b72f2fb74_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\94abfdf47572a6023f28be8b72f2fb74_JaffaCakes118.exe
PID 2468 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Temp\94abfdf47572a6023f28be8b72f2fb74_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\94abfdf47572a6023f28be8b72f2fb74_JaffaCakes118.exe
PID 2468 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Temp\94abfdf47572a6023f28be8b72f2fb74_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\94abfdf47572a6023f28be8b72f2fb74_JaffaCakes118.exe
PID 2468 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Temp\94abfdf47572a6023f28be8b72f2fb74_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\94abfdf47572a6023f28be8b72f2fb74_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\94abfdf47572a6023f28be8b72f2fb74_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\94abfdf47572a6023f28be8b72f2fb74_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\94abfdf47572a6023f28be8b72f2fb74_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\94abfdf47572a6023f28be8b72f2fb74_JaffaCakes118.exe"

Network

N/A

Files

memory/2468-0-0x00000000013C0000-0x000000000142C000-memory.dmp

memory/2468-1-0x0000000074710000-0x0000000074DFE000-memory.dmp

memory/2468-2-0x0000000004F30000-0x0000000004F70000-memory.dmp

memory/2468-3-0x0000000000520000-0x000000000052E000-memory.dmp

memory/2468-4-0x0000000074710000-0x0000000074DFE000-memory.dmp

memory/2468-5-0x0000000004F30000-0x0000000004F70000-memory.dmp

memory/2468-6-0x0000000005BA0000-0x0000000005BF8000-memory.dmp

memory/2496-7-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2496-8-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2496-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2496-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2468-12-0x0000000074710000-0x0000000074DFE000-memory.dmp

memory/2496-13-0x0000000000810000-0x0000000000B13000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-02 19:08

Reported

2024-04-02 19:10

Platform

win10v2004-20240226-en

Max time kernel

141s

Max time network

158s

Command Line

"C:\Users\Admin\AppData\Local\Temp\94abfdf47572a6023f28be8b72f2fb74_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\94abfdf47572a6023f28be8b72f2fb74_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\94abfdf47572a6023f28be8b72f2fb74_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=3100 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8

C:\Users\Admin\AppData\Local\Temp\94abfdf47572a6023f28be8b72f2fb74_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\94abfdf47572a6023f28be8b72f2fb74_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 84.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 1.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
GB 142.250.187.202:443 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 225.3.125.104.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 63.141.182.52.in-addr.arpa udp

Files

memory/4848-0-0x0000000074D00000-0x00000000754B0000-memory.dmp

memory/4848-1-0x0000000000950000-0x00000000009BC000-memory.dmp

memory/4848-2-0x00000000058B0000-0x0000000005E54000-memory.dmp

memory/4848-3-0x00000000053A0000-0x0000000005432000-memory.dmp

memory/4848-4-0x0000000005320000-0x0000000005330000-memory.dmp

memory/4848-5-0x0000000005390000-0x000000000539A000-memory.dmp

memory/4848-6-0x0000000006960000-0x000000000696E000-memory.dmp

memory/4848-7-0x0000000074D00000-0x00000000754B0000-memory.dmp

memory/4848-8-0x0000000005320000-0x0000000005330000-memory.dmp

memory/4848-9-0x0000000007F10000-0x0000000007FAC000-memory.dmp

memory/4848-10-0x0000000007EC0000-0x0000000007F18000-memory.dmp

memory/3784-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/4848-13-0x0000000074D00000-0x00000000754B0000-memory.dmp

memory/3784-14-0x0000000001140000-0x000000000148A000-memory.dmp