Malware Analysis Report

2024-08-06 11:58

Sample ID 240216-l8lazsgc71
Target a01d6062308781d37c5270fdba230231
SHA256 587dae991f27a9e18c7bb98f6bd0785fe2894ec2464bddec729a1d243a7dda45
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

587dae991f27a9e18c7bb98f6bd0785fe2894ec2464bddec729a1d243a7dda45

Threat Level: Known bad

The file a01d6062308781d37c5270fdba230231 was found to be: Known bad.

Malicious Activity Summary

toxiceye rat trojan

ToxicEye

Toxiceye family

Executes dropped EXE

Deletes itself

Checks computer location settings

Enumerates physical storage devices

Unsigned PE

Creates scheduled task(s)

Delays execution with timeout.exe

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Suspicious use of AdjustPrivilegeToken

Enumerates processes with tasklist

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

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

2024-02-16 10:12

Signatures

Toxiceye family

toxiceye

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-16 10:12

Reported

2024-02-16 10:14

Platform

win7-20231215-en

Max time kernel

117s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a01d6062308781d37c5270fdba230231.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\svchost64.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\svchost64.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\svchost64.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a01d6062308781d37c5270fdba230231.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system32\tasklist.exe N/A
Token: SeDebugPrivilege N/A C:\Users\svchost64.exe N/A
Token: SeDebugPrivilege N/A C:\Users\svchost64.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\svchost64.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3036 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\a01d6062308781d37c5270fdba230231.exe C:\Windows\System32\schtasks.exe
PID 3036 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\a01d6062308781d37c5270fdba230231.exe C:\Windows\System32\schtasks.exe
PID 3036 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\a01d6062308781d37c5270fdba230231.exe C:\Windows\System32\schtasks.exe
PID 3036 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\a01d6062308781d37c5270fdba230231.exe C:\Windows\System32\cmd.exe
PID 3036 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\a01d6062308781d37c5270fdba230231.exe C:\Windows\System32\cmd.exe
PID 3036 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\a01d6062308781d37c5270fdba230231.exe C:\Windows\System32\cmd.exe
PID 2816 wrote to memory of 2844 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\tasklist.exe
PID 2816 wrote to memory of 2844 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\tasklist.exe
PID 2816 wrote to memory of 2844 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\tasklist.exe
PID 2816 wrote to memory of 2780 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\find.exe
PID 2816 wrote to memory of 2780 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\find.exe
PID 2816 wrote to memory of 2780 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\find.exe
PID 2816 wrote to memory of 2784 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\timeout.exe
PID 2816 wrote to memory of 2784 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\timeout.exe
PID 2816 wrote to memory of 2784 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\timeout.exe
PID 2816 wrote to memory of 2736 N/A C:\Windows\System32\cmd.exe C:\Users\svchost64.exe
PID 2816 wrote to memory of 2736 N/A C:\Windows\System32\cmd.exe C:\Users\svchost64.exe
PID 2816 wrote to memory of 2736 N/A C:\Windows\System32\cmd.exe C:\Users\svchost64.exe
PID 2736 wrote to memory of 2492 N/A C:\Users\svchost64.exe C:\Windows\System32\schtasks.exe
PID 2736 wrote to memory of 2492 N/A C:\Users\svchost64.exe C:\Windows\System32\schtasks.exe
PID 2736 wrote to memory of 2492 N/A C:\Users\svchost64.exe C:\Windows\System32\schtasks.exe
PID 2736 wrote to memory of 2560 N/A C:\Users\svchost64.exe C:\Windows\system32\WerFault.exe
PID 2736 wrote to memory of 2560 N/A C:\Users\svchost64.exe C:\Windows\system32\WerFault.exe
PID 2736 wrote to memory of 2560 N/A C:\Users\svchost64.exe C:\Windows\system32\WerFault.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\a01d6062308781d37c5270fdba230231.exe

"C:\Users\Admin\AppData\Local\Temp\a01d6062308781d37c5270fdba230231.exe"

C:\Windows\System32\schtasks.exe

"C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Chrome Update" /tr "C:\Users\svchost64.exe"

C:\Windows\System32\cmd.exe

"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmpAA34.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmpAA34.tmp.bat

C:\Windows\system32\tasklist.exe

Tasklist /fi "PID eq 3036"

C:\Windows\system32\find.exe

find ":"

C:\Windows\system32\timeout.exe

Timeout /T 1 /Nobreak

C:\Users\svchost64.exe

"svchost64.exe"

C:\Windows\System32\schtasks.exe

"C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Chrome Update" /tr "C:\Users\svchost64.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2736 -s 1772

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
NL 149.154.167.220:443 api.telegram.org tcp

Files

memory/3036-0-0x0000000000120000-0x0000000000142000-memory.dmp

memory/3036-1-0x000007FEF5C70000-0x000007FEF665C000-memory.dmp

memory/3036-2-0x000000001B050000-0x000000001B0D0000-memory.dmp

memory/3036-5-0x000007FEF5C70000-0x000007FEF665C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpAA34.tmp.bat

MD5 719282adcb1885c25070c739ae6c1d63
SHA1 3eb0a1261fd797b9e363133fd69940d3472f6b83
SHA256 17f011a917a63942c60188b9ecebde6274ee3feacde8dcb0360401055101eacd
SHA512 70630e2bafccc4b968458fc79462c23a14eb8f2ceebab1c15b9336616448d3880cca75678086a82eed3bc6eafe95dc3ae76e9e36e66e789859c3d1695cd3c3da

C:\Users\svchost64.exe

MD5 a01d6062308781d37c5270fdba230231
SHA1 61083d8d892adfbb53c2684e2ae14236e9f0c78e
SHA256 587dae991f27a9e18c7bb98f6bd0785fe2894ec2464bddec729a1d243a7dda45
SHA512 cf544c32e92c49a8a51c38ae7c7431951421b48f091de1e7bd35bdd5624b1370faf8245d06c769fa9af38b803c9cceb65628276dffcd8371b0857b320e62c367

memory/2736-10-0x0000000001080000-0x00000000010A2000-memory.dmp

memory/2736-11-0x000007FEF5280000-0x000007FEF5C6C000-memory.dmp

memory/2736-12-0x000000001B040000-0x000000001B0C0000-memory.dmp

memory/2736-13-0x000007FEF5280000-0x000007FEF5C6C000-memory.dmp

memory/2736-14-0x000000001B040000-0x000000001B0C0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-16 10:12

Reported

2024-02-16 10:14

Platform

win10v2004-20231215-en

Max time kernel

12s

Max time network

52s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a01d6062308781d37c5270fdba230231.exe"

Signatures

ToxicEye

rat trojan toxiceye

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\a01d6062308781d37c5270fdba230231.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Control Panel\International\Geo\Nation C:\Users\svchost64.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\svchost64.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\svchost64.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\svchost64.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a01d6062308781d37c5270fdba230231.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system32\tasklist.exe N/A
Token: SeDebugPrivilege N/A C:\Users\svchost64.exe N/A
Token: SeDebugPrivilege N/A C:\Users\svchost64.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\svchost64.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5040 wrote to memory of 4084 N/A C:\Users\Admin\AppData\Local\Temp\a01d6062308781d37c5270fdba230231.exe C:\Windows\System32\schtasks.exe
PID 5040 wrote to memory of 4084 N/A C:\Users\Admin\AppData\Local\Temp\a01d6062308781d37c5270fdba230231.exe C:\Windows\System32\schtasks.exe
PID 5040 wrote to memory of 1424 N/A C:\Users\Admin\AppData\Local\Temp\a01d6062308781d37c5270fdba230231.exe C:\Windows\System32\cmd.exe
PID 5040 wrote to memory of 1424 N/A C:\Users\Admin\AppData\Local\Temp\a01d6062308781d37c5270fdba230231.exe C:\Windows\System32\cmd.exe
PID 1424 wrote to memory of 3960 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\tasklist.exe
PID 1424 wrote to memory of 3960 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\tasklist.exe
PID 1424 wrote to memory of 3352 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\find.exe
PID 1424 wrote to memory of 3352 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\find.exe
PID 1424 wrote to memory of 1384 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\timeout.exe
PID 1424 wrote to memory of 1384 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\timeout.exe
PID 1424 wrote to memory of 2700 N/A C:\Windows\System32\cmd.exe C:\Users\svchost64.exe
PID 1424 wrote to memory of 2700 N/A C:\Windows\System32\cmd.exe C:\Users\svchost64.exe
PID 2700 wrote to memory of 4624 N/A C:\Users\svchost64.exe C:\Windows\System32\schtasks.exe
PID 2700 wrote to memory of 4624 N/A C:\Users\svchost64.exe C:\Windows\System32\schtasks.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\a01d6062308781d37c5270fdba230231.exe

"C:\Users\Admin\AppData\Local\Temp\a01d6062308781d37c5270fdba230231.exe"

C:\Windows\System32\schtasks.exe

"C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Chrome Update" /tr "C:\Users\svchost64.exe"

C:\Windows\System32\cmd.exe

"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp9114.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmp9114.tmp.bat

C:\Windows\system32\tasklist.exe

Tasklist /fi "PID eq 5040"

C:\Windows\system32\find.exe

find ":"

C:\Windows\system32\timeout.exe

Timeout /T 1 /Nobreak

C:\Users\svchost64.exe

"svchost64.exe"

C:\Windows\System32\schtasks.exe

"C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Chrome Update" /tr "C:\Users\svchost64.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.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
NL 149.154.167.220:443 api.telegram.org tcp

Files

memory/5040-0-0x000001D48BE70000-0x000001D48BE92000-memory.dmp

memory/5040-1-0x00007FF9616D0000-0x00007FF962191000-memory.dmp

memory/5040-2-0x000001D4A6460000-0x000001D4A6470000-memory.dmp

memory/5040-6-0x00007FF9616D0000-0x00007FF962191000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp9114.tmp.bat

MD5 1e2e597b98c6973449a759b03014b5d5
SHA1 7235e9eb388a76422fa0c08a5587545d9563c9fe
SHA256 f9270f86607d72d4b2e1689856344522b571f675935cff47dd86d2e51ac0db8a
SHA512 17a7fbbe30d9a7f938ee4a96c35c9141da7600b43a3d191fb739496bf1c73d47272a6829c8853420f9e5f75e6cfa472ddec69fe264933222a7d774dc8362e99b

C:\Users\svchost64.exe

MD5 a01d6062308781d37c5270fdba230231
SHA1 61083d8d892adfbb53c2684e2ae14236e9f0c78e
SHA256 587dae991f27a9e18c7bb98f6bd0785fe2894ec2464bddec729a1d243a7dda45
SHA512 cf544c32e92c49a8a51c38ae7c7431951421b48f091de1e7bd35bdd5624b1370faf8245d06c769fa9af38b803c9cceb65628276dffcd8371b0857b320e62c367

memory/2700-11-0x00007FF9616D0000-0x00007FF962191000-memory.dmp

memory/2700-12-0x000001D33FB90000-0x000001D33FBA0000-memory.dmp