Malware Analysis Report

2024-08-06 12:00

Sample ID 240304-b21f8aed4v
Target 2aba3d65b4410e0dfb8e328cd081e1aa.bin
SHA256 af9d1582852905516ee58316f875a8df81beff906e28f5406486c4c62463ead4
Tags
toxiceye rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

af9d1582852905516ee58316f875a8df81beff906e28f5406486c4c62463ead4

Threat Level: Known bad

The file 2aba3d65b4410e0dfb8e328cd081e1aa.bin was found to be: Known bad.

Malicious Activity Summary

toxiceye rat trojan

Toxiceye family

ToxicEye

Checks computer location settings

Executes dropped EXE

Deletes itself

Unsigned PE

Enumerates physical storage devices

Creates scheduled task(s)

Uses Task Scheduler COM API

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Delays execution with timeout.exe

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Enumerates processes with tasklist

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
Query Registry
T1012
System Information Discovery
T1082
Process Discovery
T1057
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-03-04 01:39

Signatures

Toxiceye family

toxiceye

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-04 01:39

Reported

2024-03-04 01:41

Platform

win10v2004-20240226-en

Max time kernel

92s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2aba3d65b4410e0dfb8e328cd081e1aa.exe"

Signatures

ToxicEye

rat trojan toxiceye

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation C:\a\rat.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2aba3d65b4410e0dfb8e328cd081e1aa.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\a\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: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2aba3d65b4410e0dfb8e328cd081e1aa.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system32\tasklist.exe N/A
Token: SeDebugPrivilege N/A C:\a\rat.exe N/A
Token: SeDebugPrivilege N/A C:\a\rat.exe N/A

Suspicious use of SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4344 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\2aba3d65b4410e0dfb8e328cd081e1aa.exe C:\Windows\System32\schtasks.exe
PID 4344 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\2aba3d65b4410e0dfb8e328cd081e1aa.exe C:\Windows\System32\schtasks.exe
PID 4344 wrote to memory of 684 N/A C:\Users\Admin\AppData\Local\Temp\2aba3d65b4410e0dfb8e328cd081e1aa.exe C:\Windows\System32\cmd.exe
PID 4344 wrote to memory of 684 N/A C:\Users\Admin\AppData\Local\Temp\2aba3d65b4410e0dfb8e328cd081e1aa.exe C:\Windows\System32\cmd.exe
PID 684 wrote to memory of 4908 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\tasklist.exe
PID 684 wrote to memory of 4908 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\tasklist.exe
PID 684 wrote to memory of 1748 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\find.exe
PID 684 wrote to memory of 1748 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\find.exe
PID 684 wrote to memory of 3656 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\timeout.exe
PID 684 wrote to memory of 3656 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\timeout.exe
PID 684 wrote to memory of 2932 N/A C:\Windows\System32\cmd.exe C:\a\rat.exe
PID 684 wrote to memory of 2932 N/A C:\Windows\System32\cmd.exe C:\a\rat.exe
PID 2932 wrote to memory of 4112 N/A C:\a\rat.exe C:\Windows\System32\schtasks.exe
PID 2932 wrote to memory of 4112 N/A C:\a\rat.exe C:\Windows\System32\schtasks.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\2aba3d65b4410e0dfb8e328cd081e1aa.exe

"C:\Users\Admin\AppData\Local\Temp\2aba3d65b4410e0dfb8e328cd081e1aa.exe"

C:\Windows\System32\schtasks.exe

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

C:\Windows\System32\cmd.exe

"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp5DDF.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmp5DDF.tmp.bat

C:\Windows\system32\tasklist.exe

Tasklist /fi "PID eq 4344"

C:\Windows\system32\find.exe

find ":"

C:\Windows\system32\timeout.exe

Timeout /T 1 /Nobreak

C:\a\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:\a\rat.exe"

Network

Country Destination Domain Proto
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 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.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
US 8.8.8.8:53 github.com udp
NL 149.154.167.220:443 api.Telegram.org tcp
NL 149.154.167.220:443 api.Telegram.org tcp
US 8.8.8.8:53 220.167.154.149.in-addr.arpa udp
NL 149.154.167.220:443 api.Telegram.org tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
US 8.8.8.8:53 3.121.82.140.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp

Files

memory/4344-0-0x00000175FCC20000-0x00000175FCC48000-memory.dmp

memory/4344-1-0x00007FFB09750000-0x00007FFB0A211000-memory.dmp

memory/4344-2-0x00000175FF3B0000-0x00000175FF3C0000-memory.dmp

memory/4344-6-0x00007FFB09750000-0x00007FFB0A211000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp5DDF.tmp.bat

MD5 0b27d26c72242e2e2f913756ac41eeaa
SHA1 07c14559f6d0c7259316be3fffd634b7b8f30e79
SHA256 c2b92b8bdb89cdd7946d779b94fd7615f1e44d60ea42ea983289ab37382ca941
SHA512 53891408bae0b4cc3084f902ad66b713defacbcaaee80f9de8fdb6252ca776021b3de7952c36087d8b813d4d082d3add36bfc28e39a89d52042aef9b2f4684ed

C:\a\rat.exe

MD5 2aba3d65b4410e0dfb8e328cd081e1aa
SHA1 570baf9e4fcd9735d90bd9bc461b70f143e6934a
SHA256 af9d1582852905516ee58316f875a8df81beff906e28f5406486c4c62463ead4
SHA512 4670ae6c28364e54b05d277aa43911b26ea0ed76a4e284cb410050a1cf2913d067e88b1bfa007cef0debea5c231acfdb2fb93f1e1c1540d1c50890d473bcdf60

memory/2932-11-0x00007FFB09750000-0x00007FFB0A211000-memory.dmp

memory/2932-12-0x000001BE53950000-0x000001BE53960000-memory.dmp

memory/2932-14-0x000001BE53AF0000-0x000001BE53AFA000-memory.dmp

memory/2932-16-0x000001BE53E80000-0x000001BE53E92000-memory.dmp

memory/2932-23-0x00007FFB09750000-0x00007FFB0A211000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-04 01:39

Reported

2024-03-04 01:41

Platform

win7-20240221-en

Max time kernel

120s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2aba3d65b4410e0dfb8e328cd081e1aa.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:\a\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: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2aba3d65b4410e0dfb8e328cd081e1aa.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system32\tasklist.exe N/A
Token: SeDebugPrivilege N/A C:\a\rat.exe N/A
Token: SeDebugPrivilege N/A C:\a\rat.exe N/A

Suspicious use of SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2212 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\2aba3d65b4410e0dfb8e328cd081e1aa.exe C:\Windows\System32\schtasks.exe
PID 2212 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\2aba3d65b4410e0dfb8e328cd081e1aa.exe C:\Windows\System32\schtasks.exe
PID 2212 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\2aba3d65b4410e0dfb8e328cd081e1aa.exe C:\Windows\System32\schtasks.exe
PID 2212 wrote to memory of 2840 N/A C:\Users\Admin\AppData\Local\Temp\2aba3d65b4410e0dfb8e328cd081e1aa.exe C:\Windows\System32\cmd.exe
PID 2212 wrote to memory of 2840 N/A C:\Users\Admin\AppData\Local\Temp\2aba3d65b4410e0dfb8e328cd081e1aa.exe C:\Windows\System32\cmd.exe
PID 2212 wrote to memory of 2840 N/A C:\Users\Admin\AppData\Local\Temp\2aba3d65b4410e0dfb8e328cd081e1aa.exe C:\Windows\System32\cmd.exe
PID 2840 wrote to memory of 2644 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\tasklist.exe
PID 2840 wrote to memory of 2644 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\tasklist.exe
PID 2840 wrote to memory of 2644 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\tasklist.exe
PID 2840 wrote to memory of 2384 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\find.exe
PID 2840 wrote to memory of 2384 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\find.exe
PID 2840 wrote to memory of 2384 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\find.exe
PID 2840 wrote to memory of 2496 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\timeout.exe
PID 2840 wrote to memory of 2496 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\timeout.exe
PID 2840 wrote to memory of 2496 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\timeout.exe
PID 2840 wrote to memory of 2600 N/A C:\Windows\System32\cmd.exe C:\a\rat.exe
PID 2840 wrote to memory of 2600 N/A C:\Windows\System32\cmd.exe C:\a\rat.exe
PID 2840 wrote to memory of 2600 N/A C:\Windows\System32\cmd.exe C:\a\rat.exe
PID 2600 wrote to memory of 2908 N/A C:\a\rat.exe C:\Windows\System32\schtasks.exe
PID 2600 wrote to memory of 2908 N/A C:\a\rat.exe C:\Windows\System32\schtasks.exe
PID 2600 wrote to memory of 2908 N/A C:\a\rat.exe C:\Windows\System32\schtasks.exe
PID 2600 wrote to memory of 660 N/A C:\a\rat.exe C:\Windows\system32\WerFault.exe
PID 2600 wrote to memory of 660 N/A C:\a\rat.exe C:\Windows\system32\WerFault.exe
PID 2600 wrote to memory of 660 N/A C:\a\rat.exe C:\Windows\system32\WerFault.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\2aba3d65b4410e0dfb8e328cd081e1aa.exe

"C:\Users\Admin\AppData\Local\Temp\2aba3d65b4410e0dfb8e328cd081e1aa.exe"

C:\Windows\System32\schtasks.exe

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

C:\Windows\System32\cmd.exe

"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp7417.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmp7417.tmp.bat

C:\Windows\system32\tasklist.exe

Tasklist /fi "PID eq 2212"

C:\Windows\system32\find.exe

find ":"

C:\Windows\system32\timeout.exe

Timeout /T 1 /Nobreak

C:\a\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:\a\rat.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2600 -s 1580

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/2212-0-0x0000000000E00000-0x0000000000E28000-memory.dmp

memory/2212-1-0x000007FEF5C90000-0x000007FEF667C000-memory.dmp

memory/2212-2-0x000000001AEE0000-0x000000001AF60000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp7417.tmp.bat

MD5 cbc3d3466acef8392ccf4b3e3edd3d9f
SHA1 f561046ffb9c33bc561711a0300714639684b2ec
SHA256 1b640f4bcae3091a030faa0d7e01813a5da262d4ce2c34aee41e2e9852972886
SHA512 134df12b0540171adcd992becb2cf528b25422aa08a23e02b553788cbb5364348579dd45b75a20f3b577576b4f4a03938279008026a77bb4ef2df77c9f633bb6

memory/2212-6-0x000007FEF5C90000-0x000007FEF667C000-memory.dmp

C:\a\rat.exe

MD5 2aba3d65b4410e0dfb8e328cd081e1aa
SHA1 570baf9e4fcd9735d90bd9bc461b70f143e6934a
SHA256 af9d1582852905516ee58316f875a8df81beff906e28f5406486c4c62463ead4
SHA512 4670ae6c28364e54b05d277aa43911b26ea0ed76a4e284cb410050a1cf2913d067e88b1bfa007cef0debea5c231acfdb2fb93f1e1c1540d1c50890d473bcdf60

memory/2600-10-0x00000000010F0000-0x0000000001118000-memory.dmp

memory/2600-12-0x000000001AD20000-0x000000001ADA0000-memory.dmp

memory/2600-11-0x000007FEF52A0000-0x000007FEF5C8C000-memory.dmp

memory/2600-13-0x000007FEF52A0000-0x000007FEF5C8C000-memory.dmp