toxiceye | 825509eb0672d6114194c773b017d5d41d9e67be4fe41f753f9c6bb37b1c32db

Reason

Machine shutdown

General

Target

ChromeUpdate.exe
Size

119KB
MD5

a39f21db0576a82177ee4c806766d763
SHA1

ee4676f4dedd24003ce1bd972cbce95ef51fa07f
SHA256

825509eb0672d6114194c773b017d5d41d9e67be4fe41f753f9c6bb37b1c32db
SHA512

ea07e5d6f2b8ae0fbf8c1931d844bfbff920b3c9f83d10d38bd76828ed2d8a4b849251a87f5e2ad6bb1e9d9b1e5a75520baf2b70e063f44595e058c433be1133
SSDEEP

3072:IAWfRzlXCwwFwOwWAmm+G/bxqH8QWqzCrAZuuyn1:IAD1SWHe/bgRY

Score

10^/10

toxiceye discovery rat trojan

Malware Config

Extracted

Family

toxiceye

C2

https://api.telegram.org/bot7742822790:AAHkizf3bilCkIqp8NNVcbWObKSVKo8Xifo/sendMessage?chat_id=7053620590

Signatures

ToxicEye
ToxicEye is a trojan written in C#.
rat trojan toxiceye
Toxiceye family
toxiceye

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	rat.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	ChromeUpdate.exe

Executes dropped EXE 1 IoCs

pid	Process
2024	rat.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

discovery

Process Discovery

T1057

pid	Process
5068	tasklist.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
696	timeout.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1612	schtasks.exe
4832	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2024	rat.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2024	rat.exe
2024	rat.exe
2024	rat.exe
2024	rat.exe
2024	rat.exe
2024	rat.exe
2024	rat.exe
2024	rat.exe
2024	rat.exe
2024	rat.exe
2024	rat.exe
2024	rat.exe
2024	rat.exe
2024	rat.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2452	ChromeUpdate.exe
Token: SeDebugPrivilege	5068	tasklist.exe
Token: SeDebugPrivilege	2024	rat.exe
Token: SeDebugPrivilege	2024	rat.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2024	rat.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 4832	2452	ChromeUpdate.exe	84
PID 2452 wrote to memory of 4832	2452	ChromeUpdate.exe	84
PID 2452 wrote to memory of 2672	2452	ChromeUpdate.exe	86
PID 2452 wrote to memory of 2672	2452	ChromeUpdate.exe	86
PID 2672 wrote to memory of 5068	2672	cmd.exe	88
PID 2672 wrote to memory of 5068	2672	cmd.exe	88
PID 2672 wrote to memory of 508	2672	cmd.exe	89
PID 2672 wrote to memory of 508	2672	cmd.exe	89
PID 2672 wrote to memory of 696	2672	cmd.exe	90
PID 2672 wrote to memory of 696	2672	cmd.exe	90
PID 2672 wrote to memory of 2024	2672	cmd.exe	91
PID 2672 wrote to memory of 2024	2672	cmd.exe	91
PID 2024 wrote to memory of 1612	2024	rat.exe	93
PID 2024 wrote to memory of 1612	2024	rat.exe	93

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\ChromeUpdate.exe
"C:\Users\Admin\AppData\Local\Temp\ChromeUpdate.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2452
- 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"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4832
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp7DFA.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmp7DFA.tmp.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2672
- - C:\Windows\system32\tasklist.exe
    Tasklist /fi "PID eq 2452"
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:5068
- - C:\Windows\system32\find.exe
    find ":"
    3⤵
    PID:508
- - C:\Windows\system32\timeout.exe
    Timeout /T 1 /Nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:696
- - C:\Users\ToxicEye\rat.exe
    "rat.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2024
  - - 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"
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:1612

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Process Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp7DFA.tmp.bat

Filesize
189B

MD5
b18e5570c07c9f1a30e6e7cd51a52d8b

SHA1
e69297689bd08fe862545fb4308831c1ca5cec27

SHA256
09894ba9d6a1d81d0f6022066c0c1d057262b1b2b7e53ee46a2f3778f0887ebd

SHA512
d1282ea95ffa9caa6d4d58448d2a4c9e1a27f7b733bc46bdca2eae8f5b5008f5995619169c2f9e7c4d3b779650c2e1da2fbfa64ca2a5a8d9bab0b5e4eb4eeb40

Download Submit
C:\Users\ToxicEye\rat.exe

Filesize
119KB

MD5
a39f21db0576a82177ee4c806766d763

SHA1
ee4676f4dedd24003ce1bd972cbce95ef51fa07f

SHA256
825509eb0672d6114194c773b017d5d41d9e67be4fe41f753f9c6bb37b1c32db

SHA512
ea07e5d6f2b8ae0fbf8c1931d844bfbff920b3c9f83d10d38bd76828ed2d8a4b849251a87f5e2ad6bb1e9d9b1e5a75520baf2b70e063f44595e058c433be1133

Download Submit
memory/2452-0-0x00007FF8E41C3000-0x00007FF8E41C5000-memory.dmp

Filesize
8KB

Download
memory/2452-1-0x0000025CF0030000-0x0000025CF0054000-memory.dmp

Filesize
144KB

Download
memory/2452-2-0x00007FF8E41C0000-0x00007FF8E4C81000-memory.dmp

Filesize
10.8MB

Download
memory/2452-6-0x00007FF8E41C0000-0x00007FF8E4C81000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

Errors

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads