Malware Analysis Report

2024-10-23 22:16

Sample ID 240509-g29msagh93
Target 28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118
SHA256 532b875f09991cdf7b57db59f0f7aa579d49b229d65ad1ace9f67bf6ffc7bca5
Tags
formbook cbsxx 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

532b875f09991cdf7b57db59f0f7aa579d49b229d65ad1ace9f67bf6ffc7bca5

Threat Level: Known bad

The file 28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

formbook cbsxx rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-09 06:19

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-09 06:19

Reported

2024-05-09 06:21

Platform

win7-20240508-en

Max time kernel

119s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_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 AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1748 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe
PID 1748 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe
PID 1748 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe
PID 1748 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe
PID 1748 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe
PID 1748 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe
PID 1748 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe

"{path}"

Network

N/A

Files

memory/1748-0-0x0000000074A91000-0x0000000074A92000-memory.dmp

memory/1748-1-0x0000000074A90000-0x000000007503B000-memory.dmp

memory/1748-2-0x0000000074A90000-0x000000007503B000-memory.dmp

memory/1748-3-0x0000000074A90000-0x000000007503B000-memory.dmp

memory/1748-4-0x0000000074A90000-0x000000007503B000-memory.dmp

memory/2656-11-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2656-5-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2656-7-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2656-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1748-12-0x0000000074A90000-0x000000007503B000-memory.dmp

memory/2656-13-0x0000000000AE0000-0x0000000000DE3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 06:19

Reported

2024-05-09 06:21

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_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 AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1044 wrote to memory of 836 N/A C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe
PID 1044 wrote to memory of 836 N/A C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe
PID 1044 wrote to memory of 836 N/A C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe
PID 1044 wrote to memory of 1552 N/A C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe
PID 1044 wrote to memory of 1552 N/A C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe
PID 1044 wrote to memory of 1552 N/A C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe
PID 1044 wrote to memory of 1552 N/A C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe
PID 1044 wrote to memory of 1552 N/A C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe
PID 1044 wrote to memory of 1552 N/A C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe

"{path}"

C:\Users\Admin\AppData\Local\Temp\28adf2e4dcd354d59a63e52a362750a3_JaffaCakes118.exe

"{path}"

Network

Country Destination Domain Proto
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 57.15.31.184.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 4.173.189.20.in-addr.arpa udp

Files

memory/1044-0-0x0000000074692000-0x0000000074693000-memory.dmp

memory/1044-1-0x0000000074690000-0x0000000074C41000-memory.dmp

memory/1044-2-0x0000000074690000-0x0000000074C41000-memory.dmp

memory/1044-3-0x0000000074692000-0x0000000074693000-memory.dmp

memory/1044-4-0x0000000074690000-0x0000000074C41000-memory.dmp

memory/1044-5-0x0000000074690000-0x0000000074C41000-memory.dmp

memory/1552-6-0x0000000000400000-0x000000000042D000-memory.dmp

memory/1044-8-0x0000000074690000-0x0000000074C41000-memory.dmp

memory/1552-9-0x0000000001A30000-0x0000000001D7A000-memory.dmp