Malware Analysis Report

2024-10-19 10:24

Sample ID 240910-txc48sthrh
Target d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118
SHA256 9f2d5f8c077dbdbc35cb37aabfa9d63c6bce86443cb1a4fc2a820a6ef9568c6d
Tags
discovery netwire botnet persistence rat stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

9f2d5f8c077dbdbc35cb37aabfa9d63c6bce86443cb1a4fc2a820a6ef9568c6d

Threat Level: Known bad

The file d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

discovery netwire botnet persistence rat stealer

Netwire

NetWire RAT payload

Boot or Logon Autostart Execution: Active Setup

Checks computer location settings

Executes dropped EXE

Adds Run key to start application

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-10 16:25

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-10 16:25

Reported

2024-09-10 16:28

Platform

win7-20240903-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe"

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1848 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe
PID 1848 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe
PID 1848 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe
PID 1848 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe
PID 1848 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe
PID 1848 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe
PID 1848 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe

Network

N/A

Files

memory/1848-0-0x0000000074D31000-0x0000000074D32000-memory.dmp

memory/1848-1-0x0000000074D30000-0x00000000752DB000-memory.dmp

memory/1848-2-0x0000000074D30000-0x00000000752DB000-memory.dmp

memory/1848-3-0x0000000074D30000-0x00000000752DB000-memory.dmp

memory/2812-4-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2812-6-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2812-7-0x0000000000400000-0x000000000042B000-memory.dmp

memory/1848-8-0x0000000074D30000-0x00000000752DB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-10 16:25

Reported

2024-09-10 16:28

Platform

win10v2004-20240802-en

Max time kernel

115s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_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
N/A N/A N/A N/A
N/A N/A N/A N/A

Netwire

botnet stealer netwire

Boot or Logon Autostart Execution: Active Setup

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{ML38R11G-GURP-G731-0R0R-YG3Y3Y2RWAXB} C:\Users\Admin\AppData\Roaming\Install\Host.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{ML38R11G-GURP-G731-0R0R-YG3Y3Y2RWAXB}\StubPath = "\"C:\\Users\\Admin\\AppData\\Roaming\\Install\\Host.exe\"" C:\Users\Admin\AppData\Roaming\Install\Host.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Install\Host.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\Install\Host.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NetWire = "C:\\Users\\Admin\\AppData\\Roaming\\Install\\Host.exe" C:\Users\Admin\AppData\Roaming\Install\Host.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\Install\Host.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\Install\Host.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 264 wrote to memory of 4112 N/A C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe
PID 264 wrote to memory of 4112 N/A C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe
PID 264 wrote to memory of 4112 N/A C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe
PID 264 wrote to memory of 4112 N/A C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe
PID 264 wrote to memory of 4112 N/A C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe
PID 264 wrote to memory of 4112 N/A C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe
PID 264 wrote to memory of 4112 N/A C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe
PID 264 wrote to memory of 4112 N/A C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe
PID 264 wrote to memory of 4112 N/A C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe
PID 264 wrote to memory of 4112 N/A C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe
PID 264 wrote to memory of 4112 N/A C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe
PID 4112 wrote to memory of 1588 N/A C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe C:\Users\Admin\AppData\Roaming\Install\Host.exe
PID 4112 wrote to memory of 1588 N/A C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe C:\Users\Admin\AppData\Roaming\Install\Host.exe
PID 4112 wrote to memory of 1588 N/A C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe C:\Users\Admin\AppData\Roaming\Install\Host.exe
PID 1588 wrote to memory of 1244 N/A C:\Users\Admin\AppData\Roaming\Install\Host.exe C:\Users\Admin\AppData\Roaming\Install\Host.exe
PID 1588 wrote to memory of 1244 N/A C:\Users\Admin\AppData\Roaming\Install\Host.exe C:\Users\Admin\AppData\Roaming\Install\Host.exe
PID 1588 wrote to memory of 1244 N/A C:\Users\Admin\AppData\Roaming\Install\Host.exe C:\Users\Admin\AppData\Roaming\Install\Host.exe
PID 1588 wrote to memory of 1244 N/A C:\Users\Admin\AppData\Roaming\Install\Host.exe C:\Users\Admin\AppData\Roaming\Install\Host.exe
PID 1588 wrote to memory of 1244 N/A C:\Users\Admin\AppData\Roaming\Install\Host.exe C:\Users\Admin\AppData\Roaming\Install\Host.exe
PID 1588 wrote to memory of 1244 N/A C:\Users\Admin\AppData\Roaming\Install\Host.exe C:\Users\Admin\AppData\Roaming\Install\Host.exe
PID 1588 wrote to memory of 1244 N/A C:\Users\Admin\AppData\Roaming\Install\Host.exe C:\Users\Admin\AppData\Roaming\Install\Host.exe
PID 1588 wrote to memory of 1244 N/A C:\Users\Admin\AppData\Roaming\Install\Host.exe C:\Users\Admin\AppData\Roaming\Install\Host.exe
PID 1588 wrote to memory of 1244 N/A C:\Users\Admin\AppData\Roaming\Install\Host.exe C:\Users\Admin\AppData\Roaming\Install\Host.exe
PID 1588 wrote to memory of 1244 N/A C:\Users\Admin\AppData\Roaming\Install\Host.exe C:\Users\Admin\AppData\Roaming\Install\Host.exe
PID 1588 wrote to memory of 1244 N/A C:\Users\Admin\AppData\Roaming\Install\Host.exe C:\Users\Admin\AppData\Roaming\Install\Host.exe

Processes

C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe

C:\Users\Admin\AppData\Roaming\Install\Host.exe

"C:\Users\Admin\AppData\Roaming\Install\Host.exe" -m "C:\Users\Admin\AppData\Local\Temp\d8959d67b5ad1af0bd2c8436d8caf1af_JaffaCakes118.exe"

C:\Users\Admin\AppData\Roaming\Install\Host.exe

C:\Users\Admin\AppData\Roaming\Install\Host.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
US 8.8.8.8:53 37.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
US 8.8.8.8:53 203.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 fada101.servehttp.com udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp

Files

memory/264-0-0x0000000074A62000-0x0000000074A63000-memory.dmp

memory/264-1-0x0000000074A60000-0x0000000075011000-memory.dmp

memory/264-2-0x0000000074A60000-0x0000000075011000-memory.dmp

memory/264-3-0x0000000074A62000-0x0000000074A63000-memory.dmp

memory/264-4-0x0000000074A60000-0x0000000075011000-memory.dmp

memory/4112-5-0x0000000000400000-0x000000000042B000-memory.dmp

memory/4112-8-0x0000000000400000-0x000000000042B000-memory.dmp

memory/264-10-0x0000000074A60000-0x0000000075011000-memory.dmp

C:\Users\Admin\AppData\Roaming\Install\Host.exe

MD5 d8959d67b5ad1af0bd2c8436d8caf1af
SHA1 b5da6b6495219b49f50f0fd68dccf3d0079f206a
SHA256 9f2d5f8c077dbdbc35cb37aabfa9d63c6bce86443cb1a4fc2a820a6ef9568c6d
SHA512 f91c819705846b7b93666376ad485ec97b400acb4aacbf7da83a830e47702184bb3dbdc73e0553e2bd8b99a4b4003512e05864e66e53549ab80bce0410360533

memory/4112-20-0x0000000000400000-0x000000000042B000-memory.dmp

memory/1588-22-0x0000000074A62000-0x0000000074A63000-memory.dmp

memory/1588-24-0x0000000074A60000-0x0000000075011000-memory.dmp

memory/1588-23-0x0000000074A60000-0x0000000075011000-memory.dmp

memory/1588-25-0x0000000074A60000-0x0000000075011000-memory.dmp

memory/1588-31-0x0000000074A60000-0x0000000075011000-memory.dmp

memory/1244-32-0x0000000000400000-0x000000000042B000-memory.dmp

memory/1244-33-0x0000000000400000-0x000000000042B000-memory.dmp