Malware Analysis Report

2024-08-06 11:58

Sample ID 231023-k5p94ahc85
Target fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94
SHA256 fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94
Tags
toxiceye rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94

Threat Level: Known bad

The file fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94 was found to be: Known bad.

Malicious Activity Summary

toxiceye rat trojan

Toxiceye family

ToxicEye

Checks computer location settings

Deletes itself

Executes dropped EXE

Unsigned PE

Enumerates physical storage devices

Creates scheduled task(s)

Delays execution with timeout.exe

Enumerates processes with tasklist

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious behavior: AddClipboardFormatListener

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Scheduled Task/Job
T1053
Persistence
TA0003
Scheduled Task/Job
T1053
Privilege Escalation
TA0004
Scheduled Task/Job
T1053
Defense Evasion
TA0005
Credential Access
TA0006
Discovery
TA0007
System Information Discovery
T1082
Process Discovery
T1057
Query Registry
T1012
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2023-10-23 09:11

Signatures

Toxiceye family

toxiceye

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-10-23 09:11

Reported

2023-10-23 09:13

Platform

win7-20231020-en

Max time kernel

28s

Max time network

18s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94.exe"

Signatures

ToxicEye

rat trojan toxiceye

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\System32\cmd.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\ToxicEye\rat.exe N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\System32\schtasks.exe N/A
N/A N/A C:\Windows\System32\schtasks.exe N/A

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\system32\timeout.exe N/A
N/A N/A C:\Windows\system32\timeout.exe N/A

Enumerates processes with tasklist

Description Indicator Process Target
N/A N/A C:\Windows\system32\tasklist.exe N/A
N/A N/A C:\Windows\system32\tasklist.exe N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Users\ToxicEye\rat.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\ToxicEye\rat.exe N/A
N/A N/A C:\Users\ToxicEye\rat.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system32\tasklist.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system32\tasklist.exe N/A
Token: SeDebugPrivilege N/A C:\Users\ToxicEye\rat.exe N/A
Token: SeDebugPrivilege N/A C:\Users\ToxicEye\rat.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\ToxicEye\rat.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2144 wrote to memory of 2720 N/A C:\Users\Admin\AppData\Local\Temp\fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94.exe C:\Windows\System32\schtasks.exe
PID 2144 wrote to memory of 2720 N/A C:\Users\Admin\AppData\Local\Temp\fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94.exe C:\Windows\System32\schtasks.exe
PID 2144 wrote to memory of 2720 N/A C:\Users\Admin\AppData\Local\Temp\fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94.exe C:\Windows\System32\schtasks.exe
PID 2144 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94.exe C:\Windows\System32\cmd.exe
PID 2144 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94.exe C:\Windows\System32\cmd.exe
PID 2144 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94.exe C:\Windows\System32\cmd.exe
PID 2628 wrote to memory of 2620 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\tasklist.exe
PID 2628 wrote to memory of 2620 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\tasklist.exe
PID 2628 wrote to memory of 2620 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\tasklist.exe
PID 2628 wrote to memory of 2496 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\find.exe
PID 2628 wrote to memory of 2496 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\find.exe
PID 2628 wrote to memory of 2496 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\find.exe
PID 2628 wrote to memory of 2712 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\timeout.exe
PID 2628 wrote to memory of 2712 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\timeout.exe
PID 2628 wrote to memory of 2712 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\timeout.exe
PID 2628 wrote to memory of 2516 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\tasklist.exe
PID 2628 wrote to memory of 2516 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\tasklist.exe
PID 2628 wrote to memory of 2516 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\tasklist.exe
PID 2628 wrote to memory of 2780 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\find.exe
PID 2628 wrote to memory of 2780 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\find.exe
PID 2628 wrote to memory of 2780 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\find.exe
PID 2628 wrote to memory of 2652 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\timeout.exe
PID 2628 wrote to memory of 2652 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\timeout.exe
PID 2628 wrote to memory of 2652 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\timeout.exe
PID 2628 wrote to memory of 2488 N/A C:\Windows\System32\cmd.exe C:\Users\ToxicEye\rat.exe
PID 2628 wrote to memory of 2488 N/A C:\Windows\System32\cmd.exe C:\Users\ToxicEye\rat.exe
PID 2628 wrote to memory of 2488 N/A C:\Windows\System32\cmd.exe C:\Users\ToxicEye\rat.exe
PID 2488 wrote to memory of 468 N/A C:\Users\ToxicEye\rat.exe C:\Windows\System32\schtasks.exe
PID 2488 wrote to memory of 468 N/A C:\Users\ToxicEye\rat.exe C:\Windows\System32\schtasks.exe
PID 2488 wrote to memory of 468 N/A C:\Users\ToxicEye\rat.exe C:\Windows\System32\schtasks.exe
PID 2488 wrote to memory of 640 N/A C:\Users\ToxicEye\rat.exe C:\Windows\system32\WerFault.exe
PID 2488 wrote to memory of 640 N/A C:\Users\ToxicEye\rat.exe C:\Windows\system32\WerFault.exe
PID 2488 wrote to memory of 640 N/A C:\Users\ToxicEye\rat.exe C:\Windows\system32\WerFault.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94.exe

"C:\Users\Admin\AppData\Local\Temp\fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94.exe"

C:\Windows\System32\schtasks.exe

"C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Chrome Update" /tr "C:\Users\ToxicEye\rat.exe"

C:\Windows\System32\cmd.exe

"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp77CF.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmp77CF.tmp.bat

C:\Windows\system32\tasklist.exe

Tasklist /fi "PID eq 2144"

C:\Windows\system32\find.exe

find ":"

C:\Windows\system32\timeout.exe

Timeout /T 1 /Nobreak

C:\Windows\system32\tasklist.exe

Tasklist /fi "PID eq 2144"

C:\Windows\system32\find.exe

find ":"

C:\Windows\system32\timeout.exe

Timeout /T 1 /Nobreak

C:\Users\ToxicEye\rat.exe

"rat.exe"

C:\Windows\System32\schtasks.exe

"C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Chrome Update" /tr "C:\Users\ToxicEye\rat.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2488 -s 1632

Network

Country Destination Domain Proto
US 8.8.8.8:53 google.com udp
US 8.8.8.8:53 api.telegram.org udp
NL 149.154.167.220:443 api.telegram.org tcp

Files

memory/2144-0-0x0000000000B60000-0x0000000000B80000-memory.dmp

memory/2144-1-0x000007FEF5830000-0x000007FEF621C000-memory.dmp

memory/2144-2-0x000000001AF60000-0x000000001AFE0000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp77CF.tmp.bat

MD5 b846572917f10a642c57e75d3ac4a8ae
SHA1 ce2d7b9507408020176074da9c4a37ccc964f390
SHA256 80352701eb7535b39f6ba531f9c5ec21f46513522dc6409484a26a2bb2ac170e
SHA512 8a32106234ec26e0d71ef10ea19718c0723df947bfcd94b80335fba177a44cdda8bc7987d3ea2266801e183f9e75f0f8159eade2a929a4d87aceeddb3be96d2b

memory/2144-6-0x000007FEF5830000-0x000007FEF621C000-memory.dmp

C:\Users\ToxicEye\rat.exe

MD5 da9cc4e4135e5ab525f11c3b3f664096
SHA1 4afbc8b795da9f9b067c7df51200c360853aac47
SHA256 fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94
SHA512 cf6f782ebded8ae27119b606c3edc972f063c49e444cfab4d78ed356bc2f5089abecc93cc0d0d3d3356f01237857b7bf21d262fc5899867e69bca193d8894676

C:\Users\ToxicEye\rat.exe

MD5 da9cc4e4135e5ab525f11c3b3f664096
SHA1 4afbc8b795da9f9b067c7df51200c360853aac47
SHA256 fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94
SHA512 cf6f782ebded8ae27119b606c3edc972f063c49e444cfab4d78ed356bc2f5089abecc93cc0d0d3d3356f01237857b7bf21d262fc5899867e69bca193d8894676

memory/2488-10-0x0000000000130000-0x0000000000150000-memory.dmp

memory/2488-11-0x000007FEF4E40000-0x000007FEF582C000-memory.dmp

memory/2488-12-0x000007FEF4E40000-0x000007FEF582C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-23 09:11

Reported

2023-10-23 09:13

Platform

win10v2004-20231020-en

Max time kernel

10s

Max time network

71s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94.exe"

Signatures

ToxicEye

rat trojan toxiceye

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\Control Panel\International\Geo\Nation C:\Users\ToxicEye\rat.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\ToxicEye\rat.exe N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\System32\schtasks.exe N/A
N/A N/A C:\Windows\System32\schtasks.exe N/A

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\system32\timeout.exe N/A

Enumerates processes with tasklist

Description Indicator Process Target
N/A N/A C:\Windows\system32\tasklist.exe N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Users\ToxicEye\rat.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\ToxicEye\rat.exe N/A
N/A N/A C:\Users\ToxicEye\rat.exe N/A
N/A N/A C:\Users\ToxicEye\rat.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system32\tasklist.exe N/A
Token: SeDebugPrivilege N/A C:\Users\ToxicEye\rat.exe N/A
Token: SeDebugPrivilege N/A C:\Users\ToxicEye\rat.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\ToxicEye\rat.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 636 wrote to memory of 1460 N/A C:\Users\Admin\AppData\Local\Temp\fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94.exe C:\Windows\System32\schtasks.exe
PID 636 wrote to memory of 1460 N/A C:\Users\Admin\AppData\Local\Temp\fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94.exe C:\Windows\System32\schtasks.exe
PID 636 wrote to memory of 4216 N/A C:\Users\Admin\AppData\Local\Temp\fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94.exe C:\Windows\System32\cmd.exe
PID 636 wrote to memory of 4216 N/A C:\Users\Admin\AppData\Local\Temp\fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94.exe C:\Windows\System32\cmd.exe
PID 4216 wrote to memory of 732 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\tasklist.exe
PID 4216 wrote to memory of 732 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\tasklist.exe
PID 4216 wrote to memory of 3800 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\find.exe
PID 4216 wrote to memory of 3800 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\find.exe
PID 4216 wrote to memory of 3468 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\timeout.exe
PID 4216 wrote to memory of 3468 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\timeout.exe
PID 4216 wrote to memory of 4776 N/A C:\Windows\System32\cmd.exe C:\Users\ToxicEye\rat.exe
PID 4216 wrote to memory of 4776 N/A C:\Windows\System32\cmd.exe C:\Users\ToxicEye\rat.exe
PID 4776 wrote to memory of 3568 N/A C:\Users\ToxicEye\rat.exe C:\Windows\System32\schtasks.exe
PID 4776 wrote to memory of 3568 N/A C:\Users\ToxicEye\rat.exe C:\Windows\System32\schtasks.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94.exe

"C:\Users\Admin\AppData\Local\Temp\fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94.exe"

C:\Windows\System32\schtasks.exe

"C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Chrome Update" /tr "C:\Users\ToxicEye\rat.exe"

C:\Windows\System32\cmd.exe

"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp7E19.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmp7E19.tmp.bat

C:\Windows\system32\tasklist.exe

Tasklist /fi "PID eq 636"

C:\Windows\system32\find.exe

find ":"

C:\Windows\system32\timeout.exe

Timeout /T 1 /Nobreak

C:\Users\ToxicEye\rat.exe

"rat.exe"

C:\Windows\System32\schtasks.exe

"C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Chrome Update" /tr "C:\Users\ToxicEye\rat.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 29.81.57.23.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 google.com udp
US 8.8.8.8:53 api.telegram.org udp
NL 149.154.167.220:443 api.telegram.org tcp
US 8.8.8.8:53 220.167.154.149.in-addr.arpa udp

Files

memory/636-0-0x0000015D78270000-0x0000015D78290000-memory.dmp

memory/636-1-0x00007FF97C290000-0x00007FF97CD51000-memory.dmp

memory/636-2-0x0000015D7AAA0000-0x0000015D7AAB0000-memory.dmp

memory/636-6-0x00007FF97C290000-0x00007FF97CD51000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp7E19.tmp.bat

MD5 a783cf7c9195d4d071897134a942dc1c
SHA1 699e4c79118a97140eaa13a16302916044f003a9
SHA256 2fda2f6f5c7df0d6b3ea014b9b49adaf206ee332c95fbd7df7f4be09c34e4a89
SHA512 8199daf11d1204c6a77b2249873a46bafd66d91d4153b24a8f1dab39be06b6fff3b1be316426a796f383ef324c2305cb0719fb24057c094478761e6e7796efe1

C:\Users\ToxicEye\rat.exe

MD5 da9cc4e4135e5ab525f11c3b3f664096
SHA1 4afbc8b795da9f9b067c7df51200c360853aac47
SHA256 fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94
SHA512 cf6f782ebded8ae27119b606c3edc972f063c49e444cfab4d78ed356bc2f5089abecc93cc0d0d3d3356f01237857b7bf21d262fc5899867e69bca193d8894676

C:\Users\ToxicEye\rat.exe

MD5 da9cc4e4135e5ab525f11c3b3f664096
SHA1 4afbc8b795da9f9b067c7df51200c360853aac47
SHA256 fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94
SHA512 cf6f782ebded8ae27119b606c3edc972f063c49e444cfab4d78ed356bc2f5089abecc93cc0d0d3d3356f01237857b7bf21d262fc5899867e69bca193d8894676

memory/4776-11-0x00007FF97C610000-0x00007FF97D0D1000-memory.dmp

memory/4776-12-0x00000229B7580000-0x00000229B7590000-memory.dmp

memory/4776-13-0x00000229B7580000-0x00000229B7590000-memory.dmp