Malware Analysis Report

2024-08-06 11:55

Sample ID 240302-d659daaa76
Target TelegramRAT.exe
SHA256 05784dc21b94b6c838f1d979fcf7107fc7c1be31c026eccc9259c7878a52ba92
Tags
toxiceye rat trojan spyware stealer
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

05784dc21b94b6c838f1d979fcf7107fc7c1be31c026eccc9259c7878a52ba92

Threat Level: Known bad

The file TelegramRAT.exe was found to be: Known bad.

Malicious Activity Summary

toxiceye rat trojan spyware stealer

Toxiceye family

ToxicEye

Downloads MZ/PE file

Executes dropped EXE

Deletes itself

Checks computer location settings

Reads user/profile data of web browsers

Legitimate hosting services abused for malware hosting/C2

Enumerates physical storage devices

Unsigned PE

Uses Task Scheduler COM API

Delays execution with timeout.exe

Creates scheduled task(s)

Enumerates processes with tasklist

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

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
Unsecured Credentials
T1552
Credentials In Files
T1552.001
Discovery
TA0007
System Information Discovery
T1082
Process Discovery
T1057
Query Registry
T1012
Lateral Movement
TA0008
Collection
TA0009
Data from Local System
T1005
Exfiltration
TA0010
Command and Control
TA0011
Web Service
T1102
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-03-02 03:38

Signatures

Toxiceye family

toxiceye

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-02 03:38

Reported

2024-03-02 03:40

Platform

win7-20240220-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\TelegramRAT.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\TelegramRAT.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 1740 wrote to memory of 2140 N/A C:\Users\Admin\AppData\Local\Temp\TelegramRAT.exe C:\Windows\System32\schtasks.exe
PID 1740 wrote to memory of 2140 N/A C:\Users\Admin\AppData\Local\Temp\TelegramRAT.exe C:\Windows\System32\schtasks.exe
PID 1740 wrote to memory of 2140 N/A C:\Users\Admin\AppData\Local\Temp\TelegramRAT.exe C:\Windows\System32\schtasks.exe
PID 1740 wrote to memory of 2672 N/A C:\Users\Admin\AppData\Local\Temp\TelegramRAT.exe C:\Windows\System32\cmd.exe
PID 1740 wrote to memory of 2672 N/A C:\Users\Admin\AppData\Local\Temp\TelegramRAT.exe C:\Windows\System32\cmd.exe
PID 1740 wrote to memory of 2672 N/A C:\Users\Admin\AppData\Local\Temp\TelegramRAT.exe C:\Windows\System32\cmd.exe
PID 2672 wrote to memory of 2572 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\tasklist.exe
PID 2672 wrote to memory of 2572 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\tasklist.exe
PID 2672 wrote to memory of 2572 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\tasklist.exe
PID 2672 wrote to memory of 2556 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\find.exe
PID 2672 wrote to memory of 2556 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\find.exe
PID 2672 wrote to memory of 2556 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\find.exe
PID 2672 wrote to memory of 2392 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\timeout.exe
PID 2672 wrote to memory of 2392 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\timeout.exe
PID 2672 wrote to memory of 2392 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\timeout.exe
PID 2672 wrote to memory of 2800 N/A C:\Windows\System32\cmd.exe C:\a\rat.exe
PID 2672 wrote to memory of 2800 N/A C:\Windows\System32\cmd.exe C:\a\rat.exe
PID 2672 wrote to memory of 2800 N/A C:\Windows\System32\cmd.exe C:\a\rat.exe
PID 2800 wrote to memory of 2208 N/A C:\a\rat.exe C:\Windows\System32\schtasks.exe
PID 2800 wrote to memory of 2208 N/A C:\a\rat.exe C:\Windows\System32\schtasks.exe
PID 2800 wrote to memory of 2208 N/A C:\a\rat.exe C:\Windows\System32\schtasks.exe
PID 2800 wrote to memory of 2900 N/A C:\a\rat.exe C:\Windows\system32\WerFault.exe
PID 2800 wrote to memory of 2900 N/A C:\a\rat.exe C:\Windows\system32\WerFault.exe
PID 2800 wrote to memory of 2900 N/A C:\a\rat.exe C:\Windows\system32\WerFault.exe

Uses Task Scheduler COM API

persistence

Processes

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

"C:\Users\Admin\AppData\Local\Temp\TelegramRAT.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\tmp2A6A.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmp2A6A.tmp.bat

C:\Windows\system32\tasklist.exe

Tasklist /fi "PID eq 1740"

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 2800 -s 1532

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/1740-0-0x0000000000CE0000-0x0000000000D0A000-memory.dmp

memory/1740-1-0x000007FEF5690000-0x000007FEF607C000-memory.dmp

memory/1740-2-0x000000001AC60000-0x000000001ACE0000-memory.dmp

memory/1740-5-0x000007FEF5690000-0x000007FEF607C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp2A6A.tmp.bat

MD5 17fdb154ebd5c57e3fdc05351a64ed5e
SHA1 505b2a3b83f399884cec835781bb63c228858109
SHA256 cd598668172e1950ee0298b12061114e74176678dd901bc5130db25f2a7edc8b
SHA512 423c7fedf9f643c399d552ed5ca656a5e989cba3e479783f13f2f6d715c5409fee1d4826a4d8e70f15b0c4c1bbc8f9fa8073674fd296c4967f2a26b03b3b2fcb

C:\a\rat.exe

MD5 3f348796bd487827ac9e566dc082d5ce
SHA1 54fd77ca70dfcb9dfa092ff5f5cc911eca27e39d
SHA256 05784dc21b94b6c838f1d979fcf7107fc7c1be31c026eccc9259c7878a52ba92
SHA512 bc5292d8a45e10fd59d4661bdb189f595407b5c3f5fbe2f6a3153e129d75a1d8e868ada144504640c2e1504cba8c717a365fab145ad04b7c179f2829f17309c8

memory/2800-10-0x0000000001230000-0x000000000125A000-memory.dmp

memory/2800-11-0x000007FEF4CA0000-0x000007FEF568C000-memory.dmp

memory/2800-12-0x000000001B000000-0x000000001B080000-memory.dmp

memory/2800-13-0x000007FEF4CA0000-0x000007FEF568C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-02 03:38

Reported

2024-03-02 03:41

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

155s

Command Line

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

Signatures

ToxicEye

rat trojan toxiceye

Downloads MZ/PE file

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\TelegramRAT.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation C:\a\rat.exe N/A

Executes dropped EXE

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

Reads user/profile data of web browsers

spyware stealer

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A raw.githubusercontent.com N/A N/A
N/A raw.githubusercontent.com N/A N/A
N/A raw.githubusercontent.com N/A 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
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
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
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
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
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
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
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
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
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
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\TelegramRAT.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 3256 wrote to memory of 4288 N/A C:\Users\Admin\AppData\Local\Temp\TelegramRAT.exe C:\Windows\System32\schtasks.exe
PID 3256 wrote to memory of 4288 N/A C:\Users\Admin\AppData\Local\Temp\TelegramRAT.exe C:\Windows\System32\schtasks.exe
PID 3256 wrote to memory of 4572 N/A C:\Users\Admin\AppData\Local\Temp\TelegramRAT.exe C:\Windows\System32\cmd.exe
PID 3256 wrote to memory of 4572 N/A C:\Users\Admin\AppData\Local\Temp\TelegramRAT.exe C:\Windows\System32\cmd.exe
PID 4572 wrote to memory of 2384 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\tasklist.exe
PID 4572 wrote to memory of 2384 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\tasklist.exe
PID 4572 wrote to memory of 2940 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\find.exe
PID 4572 wrote to memory of 2940 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\find.exe
PID 4572 wrote to memory of 3372 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\timeout.exe
PID 4572 wrote to memory of 3372 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\timeout.exe
PID 4572 wrote to memory of 3200 N/A C:\Windows\System32\cmd.exe C:\a\rat.exe
PID 4572 wrote to memory of 3200 N/A C:\Windows\System32\cmd.exe C:\a\rat.exe
PID 3200 wrote to memory of 3808 N/A C:\a\rat.exe C:\Windows\System32\schtasks.exe
PID 3200 wrote to memory of 3808 N/A C:\a\rat.exe C:\Windows\System32\schtasks.exe

Uses Task Scheduler COM API

persistence

Processes

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

"C:\Users\Admin\AppData\Local\Temp\TelegramRAT.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\tmp6031.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmp6031.tmp.bat

C:\Windows\system32\tasklist.exe

Tasklist /fi "PID eq 3256"

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 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 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 55.36.223.20.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 raw.githubusercontent.com udp
US 185.199.108.133:443 raw.githubusercontent.com tcp
US 185.199.108.133:443 raw.githubusercontent.com tcp
NL 149.154.167.220:443 api.Telegram.org tcp
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
US 8.8.8.8:53 133.108.199.185.in-addr.arpa udp
NL 149.154.167.220:443 api.Telegram.org tcp
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 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 170.117.168.52.in-addr.arpa udp

Files

memory/3256-0-0x0000026120760000-0x000002612078A000-memory.dmp

memory/3256-1-0x00007FFDE7270000-0x00007FFDE7D31000-memory.dmp

memory/3256-2-0x000002613AD30000-0x000002613AD40000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp6031.tmp.bat

MD5 7bfdeb82c6f073b9bd0244d8cd241f08
SHA1 c3e5929b300058a63aa5660ffb38d5d12f9661a5
SHA256 df9324f1bf380dd714e390aea9fb9fc83f3100f0583bf10d9f0747063a82e198
SHA512 c1f6025f97d5d66dabdbf9bd457f22afd37934d72ae8a6aedbd86d44481224dec4721ceb8999e6178d8ae6b6c12eff08c19c41800e08718161598e1e4d3b654f

memory/3256-7-0x00007FFDE7270000-0x00007FFDE7D31000-memory.dmp

C:\a\rat.exe

MD5 3f348796bd487827ac9e566dc082d5ce
SHA1 54fd77ca70dfcb9dfa092ff5f5cc911eca27e39d
SHA256 05784dc21b94b6c838f1d979fcf7107fc7c1be31c026eccc9259c7878a52ba92
SHA512 bc5292d8a45e10fd59d4661bdb189f595407b5c3f5fbe2f6a3153e129d75a1d8e868ada144504640c2e1504cba8c717a365fab145ad04b7c179f2829f17309c8

C:\a\rat.exe

MD5 920d6ea63b03c8ca7c2fd8e456973f62
SHA1 16c977a44af4449be701b50414276ff80f60b373
SHA256 532b69ac7d72f436069bc93748de4838e2888e0bf88252428b656c5f0fb3b535
SHA512 e54ba38a2d51de259a0f55c3e437e775c4274d347c5a9b8fc8f4a08f019dfcca5e3122c3cfcedde7b9931c7db7ae20eaf5418a2b7919f40f794309c40355804c

memory/3200-11-0x00007FFDE7270000-0x00007FFDE7D31000-memory.dmp

memory/3200-12-0x00000277B5D70000-0x00000277B5D80000-memory.dmp

memory/3200-14-0x00000277CED80000-0x00000277CED8A000-memory.dmp

memory/3200-17-0x00000277B5D70000-0x00000277B5D80000-memory.dmp

memory/3200-16-0x00000277CEEF0000-0x00000277CEF02000-memory.dmp

memory/3200-22-0x00000277B5D70000-0x00000277B5D80000-memory.dmp

memory/3200-44-0x00007FFDE7270000-0x00007FFDE7D31000-memory.dmp

memory/3200-45-0x00000277B5D70000-0x00000277B5D80000-memory.dmp

memory/3200-46-0x00000277B5D70000-0x00000277B5D80000-memory.dmp

memory/3200-47-0x00000277B5D70000-0x00000277B5D80000-memory.dmp