Malware Analysis Report

2024-10-19 10:29

Sample ID 240405-nyaslsbe76
Target d2e05b36afb06317a92932daad1d97c3_JaffaCakes118
SHA256 cf262af15cf1bb93dd7a33befc777c07c35d4a7ff5f4154843dd978b1ee1f050
Tags
netwire botnet rat stealer
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

cf262af15cf1bb93dd7a33befc777c07c35d4a7ff5f4154843dd978b1ee1f050

Threat Level: Known bad

The file d2e05b36afb06317a92932daad1d97c3_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

netwire botnet rat stealer

Netwire

NetWire RAT payload

Drops startup file

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-05 11:47

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-05 11:47

Reported

2024-04-05 11:50

Platform

win7-20240215-en

Max time kernel

145s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe"

Signatures

NetWire RAT payload

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

Netwire

botnet stealer netwire

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\copied.vbs C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1804 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe
PID 1804 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe
PID 1804 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe
PID 1804 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe
PID 1804 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe
PID 1804 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe
PID 1804 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe
PID 1804 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe
PID 1804 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe
PID 1804 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe
PID 1804 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe"

Network

Country Destination Domain Proto
TR 185.84.181.95:8977 tcp
TR 185.84.181.95:8977 tcp
TR 185.84.181.95:8977 tcp
TR 185.84.181.95:8977 tcp
TR 185.84.181.95:8977 tcp

Files

memory/2752-4-0x0000000000400000-0x0000000000420000-memory.dmp

memory/2752-6-0x0000000000400000-0x0000000000420000-memory.dmp

memory/2752-9-0x0000000000400000-0x0000000000420000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-05 11:47

Reported

2024-04-05 11:50

Platform

win10v2004-20240226-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe"

Signatures

NetWire RAT payload

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

Netwire

botnet stealer netwire

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\copied.vbs C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3100 wrote to memory of 4812 N/A C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe
PID 3100 wrote to memory of 4812 N/A C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe
PID 3100 wrote to memory of 4812 N/A C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe
PID 3100 wrote to memory of 4812 N/A C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe
PID 3100 wrote to memory of 4812 N/A C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe
PID 3100 wrote to memory of 4812 N/A C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe
PID 3100 wrote to memory of 4812 N/A C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe
PID 3100 wrote to memory of 4812 N/A C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe
PID 3100 wrote to memory of 4812 N/A C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe
PID 3100 wrote to memory of 4812 N/A C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\d2e05b36afb06317a92932daad1d97c3_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 88.136.73.23.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
TR 185.84.181.95:8977 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
NL 52.142.223.178:80 tcp
TR 185.84.181.95:8977 tcp
US 8.8.8.8:53 155.136.73.23.in-addr.arpa udp
TR 185.84.181.95:8977 tcp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 216.203.100.95.in-addr.arpa udp
TR 185.84.181.95:8977 tcp
TR 185.84.181.95:8977 tcp

Files

memory/4812-4-0x0000000000400000-0x0000000000420000-memory.dmp

memory/4812-6-0x0000000000400000-0x0000000000420000-memory.dmp

memory/4812-9-0x0000000000400000-0x0000000000420000-memory.dmp