toxiceye | b3ccfc4ddc7f6abf0fa7606be8495acd20c23f85ab23c2fa8bfe43e84befa126

General

Target

ChromeUpdate.exe
Size

119KB
MD5

eedc846c4cf322bbcf849a4af793ced5
SHA1

77fa1a6feb62bd77d30be181696802e13524da8d
SHA256

b3ccfc4ddc7f6abf0fa7606be8495acd20c23f85ab23c2fa8bfe43e84befa126
SHA512

6eb5963fa6d4cca6a2de25850cf47064d8ba523223a55048600fce8cadd120487507af50b0fd39c14b20bed3b976bb9510b5699efc7533e540350101c087ba2c
SSDEEP

3072:Y/aazycnfYOgWPyZ9dOpbZqHVQWqzCrAZuuQD:HIsWqndOpb4K

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

Deletes itself 1 IoCs

pid	Process
2936	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2636	Update.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

discovery

Process Discovery

T1057

pid	Process
2468	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
2856	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
2228	schtasks.exe
2032	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2636	Update.exe
2636	Update.exe
2636	Update.exe
2636	Update.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	308	ChromeUpdate.exe
Token: SeDebugPrivilege	2468	tasklist.exe
Token: SeDebugPrivilege	2636	Update.exe
Token: SeDebugPrivilege	2636	Update.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2636	Update.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 308 wrote to memory of 2228	308	ChromeUpdate.exe	32
PID 308 wrote to memory of 2228	308	ChromeUpdate.exe	32
PID 308 wrote to memory of 2228	308	ChromeUpdate.exe	32
PID 308 wrote to memory of 2936	308	ChromeUpdate.exe	34
PID 308 wrote to memory of 2936	308	ChromeUpdate.exe	34
PID 308 wrote to memory of 2936	308	ChromeUpdate.exe	34
PID 2936 wrote to memory of 2468	2936	cmd.exe	36
PID 2936 wrote to memory of 2468	2936	cmd.exe	36
PID 2936 wrote to memory of 2468	2936	cmd.exe	36
PID 2936 wrote to memory of 2800	2936	cmd.exe	37
PID 2936 wrote to memory of 2800	2936	cmd.exe	37
PID 2936 wrote to memory of 2800	2936	cmd.exe	37
PID 2936 wrote to memory of 2856	2936	cmd.exe	38
PID 2936 wrote to memory of 2856	2936	cmd.exe	38
PID 2936 wrote to memory of 2856	2936	cmd.exe	38
PID 2936 wrote to memory of 2636	2936	cmd.exe	39
PID 2936 wrote to memory of 2636	2936	cmd.exe	39
PID 2936 wrote to memory of 2636	2936	cmd.exe	39
PID 2636 wrote to memory of 2032	2636	Update.exe	41
PID 2636 wrote to memory of 2032	2636	Update.exe	41
PID 2636 wrote to memory of 2032	2636	Update.exe	41
PID 2636 wrote to memory of 1796	2636	Update.exe	43
PID 2636 wrote to memory of 1796	2636	Update.exe	43
PID 2636 wrote to memory of 1796	2636	Update.exe	43

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⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:308
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Chrome Update" /tr "C:\Users\Update\Update.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2228
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp7899.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmp7899.tmp.bat
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2936
- - C:\Windows\system32\tasklist.exe
    Tasklist /fi "PID eq 308"
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2468
- - C:\Windows\system32\find.exe
    find ":"
    3⤵
    PID:2800
- - C:\Windows\system32\timeout.exe
    Timeout /T 1 /Nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:2856
- - C:\Users\Update\Update.exe
    "Update.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2636
  - - C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Chrome Update" /tr "C:\Users\Update\Update.exe"
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:2032
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2636 -s 1636
      4⤵
      PID:1796

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

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp7899.tmp.bat

Filesize
189B

MD5
811dc4cf338cfce6c81922f2db108554

SHA1
d5e60416b9b58afce084cbd11b862a80ca97cc19

SHA256
817ead25ecbe502e2fdf47bd87c767391d24df003a950dec34d8b0eb3c3abbc2

SHA512
9c08b37863d27d12cdb8a43160b9fbd024b0a47384d106e5c4f52cc6f8a730eb4b619abe1bf1bf8235e0464b2f6f715f6ea464dfeda7064eed9675890081398b

Download Submit
C:\Users\Update\Update.exe

Filesize
119KB

MD5
eedc846c4cf322bbcf849a4af793ced5

SHA1
77fa1a6feb62bd77d30be181696802e13524da8d

SHA256
b3ccfc4ddc7f6abf0fa7606be8495acd20c23f85ab23c2fa8bfe43e84befa126

SHA512
6eb5963fa6d4cca6a2de25850cf47064d8ba523223a55048600fce8cadd120487507af50b0fd39c14b20bed3b976bb9510b5699efc7533e540350101c087ba2c

Download Submit
memory/308-0-0x000007FEF5E63000-0x000007FEF5E64000-memory.dmp

Filesize
4KB

Download
memory/308-1-0x0000000000CA0000-0x0000000000CC4000-memory.dmp

Filesize
144KB

Download
memory/308-2-0x000007FEF5E60000-0x000007FEF684C000-memory.dmp

Filesize
9.9MB

Download
memory/308-5-0x000007FEF5E60000-0x000007FEF684C000-memory.dmp

Filesize
9.9MB

Download
memory/2636-10-0x0000000000890000-0x00000000008B4000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads