toxiceye | 16424b4f2ad3135749aca508caa528264bd42a7fcdcfe44dc538198dd29aa75e

Reason

Machine shutdown

General

Target

Chrome Update.exe
Size

111KB
MD5

05112dda1331e95ffb3f49199f30e3c4
SHA1

5719297583edf0d07cadf0f6e27a6476bde5249b
SHA256

16424b4f2ad3135749aca508caa528264bd42a7fcdcfe44dc538198dd29aa75e
SHA512

a39241b8c2c4176f550d0151c403f8b350eba31078bc697af015dd93a9cc94b12dcbbde74e357a8936bc93fea59a020c18081bfaef3419acbb3ef380c9b64ef0
SSDEEP

3072:bbKsnwo0g30ro8NbZqH4QWqzCrAZuuBUp:ysnwo4rvbM1

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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	Chrome Update.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	rat.exe

Executes dropped EXE 1 IoCs

pid	Process
1204	rat.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

discovery

Process Discovery

T1057

pid	Process
2840	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
2356	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
4104	schtasks.exe
3428	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1204	rat.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1204	rat.exe
1204	rat.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	552	Chrome Update.exe
Token: SeDebugPrivilege	2840	tasklist.exe
Token: SeDebugPrivilege	1204	rat.exe
Token: SeDebugPrivilege	1204	rat.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1204	rat.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 552 wrote to memory of 4104	552	Chrome Update.exe	84
PID 552 wrote to memory of 4104	552	Chrome Update.exe	84
PID 552 wrote to memory of 1548	552	Chrome Update.exe	86
PID 552 wrote to memory of 1548	552	Chrome Update.exe	86
PID 1548 wrote to memory of 2840	1548	cmd.exe	88
PID 1548 wrote to memory of 2840	1548	cmd.exe	88
PID 1548 wrote to memory of 4320	1548	cmd.exe	89
PID 1548 wrote to memory of 4320	1548	cmd.exe	89
PID 1548 wrote to memory of 2356	1548	cmd.exe	90
PID 1548 wrote to memory of 2356	1548	cmd.exe	90
PID 1548 wrote to memory of 1204	1548	cmd.exe	94
PID 1548 wrote to memory of 1204	1548	cmd.exe	94
PID 1204 wrote to memory of 3428	1204	rat.exe	97
PID 1204 wrote to memory of 3428	1204	rat.exe	97

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\Chrome Update.exe
"C:\Users\Admin\AppData\Local\Temp\Chrome Update.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:552
- 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:4104
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmpBA18.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmpBA18.tmp.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1548
- - C:\Windows\system32\tasklist.exe
    Tasklist /fi "PID eq 552"
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2840
- - C:\Windows\system32\find.exe
    find ":"
    3⤵
    PID:4320
- - C:\Windows\system32\timeout.exe
    Timeout /T 1 /Nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:2356
- - 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:1204
  - - 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:3428

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\tmpBA18.tmp.bat

Filesize
189B

MD5
b8421e9605c055b8910f618af9ff3464

SHA1
d2f977702130b375dac92c30ebd2fe27bc129eac

SHA256
4fa9eb9ede24ee0e393c820bedc24ad45227a7872fe479b04cf7f8c3bee7ee75

SHA512
0a4e989546db9286442ead8a7f2b1a0f2182bd4e6aa5c0c58e858c6b53ca72bc326f34dfc58a6362e76792bc30416cfa22ca52b8a5e71cc193fd7b342fd37b8d

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

Filesize
111KB

MD5
05112dda1331e95ffb3f49199f30e3c4

SHA1
5719297583edf0d07cadf0f6e27a6476bde5249b

SHA256
16424b4f2ad3135749aca508caa528264bd42a7fcdcfe44dc538198dd29aa75e

SHA512
a39241b8c2c4176f550d0151c403f8b350eba31078bc697af015dd93a9cc94b12dcbbde74e357a8936bc93fea59a020c18081bfaef3419acbb3ef380c9b64ef0

Download Submit
memory/552-0-0x00007FFEE9E93000-0x00007FFEE9E95000-memory.dmp

Filesize
8KB

Download
memory/552-1-0x00000194CD100000-0x00000194CD122000-memory.dmp

Filesize
136KB

Download
memory/552-2-0x00007FFEE9E90000-0x00007FFEEA951000-memory.dmp

Filesize
10.8MB

Download
memory/552-6-0x00007FFEE9E90000-0x00007FFEEA951000-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