toxiceye | b3ccfc4ddc7f6abf0fa7606be8495acd20c23f85ab23c2fa8bfe43e84befa126

Reason

Machine shutdown

General

Target

Chrome Update.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

Executes dropped EXE 1 IoCs

pid	Process
2556	Update.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

discovery

Process Discovery

T1057

pid	Process
4832	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
3804	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
3148	schtasks.exe
3252	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2556	Update.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2556	Update.exe
2556	Update.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2672	Chrome Update.exe
Token: SeDebugPrivilege	4832	tasklist.exe
Token: SeDebugPrivilege	2556	Update.exe
Token: SeDebugPrivilege	2556	Update.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2556	Update.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 3148	2672	Chrome Update.exe	79
PID 2672 wrote to memory of 3148	2672	Chrome Update.exe	79
PID 2672 wrote to memory of 2956	2672	Chrome Update.exe	81
PID 2672 wrote to memory of 2956	2672	Chrome Update.exe	81
PID 2956 wrote to memory of 4832	2956	cmd.exe	83
PID 2956 wrote to memory of 4832	2956	cmd.exe	83
PID 2956 wrote to memory of 3144	2956	cmd.exe	84
PID 2956 wrote to memory of 3144	2956	cmd.exe	84
PID 2956 wrote to memory of 3804	2956	cmd.exe	85
PID 2956 wrote to memory of 3804	2956	cmd.exe	85
PID 2956 wrote to memory of 2556	2956	cmd.exe	86
PID 2956 wrote to memory of 2556	2956	cmd.exe	86
PID 2556 wrote to memory of 3252	2556	Update.exe	88
PID 2556 wrote to memory of 3252	2556	Update.exe	88

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⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2672
- 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:3148
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmpA884.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmpA884.tmp.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2956
- - C:\Windows\system32\tasklist.exe
    Tasklist /fi "PID eq 2672"
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:4832
- - C:\Windows\system32\find.exe
    find ":"
    3⤵
    PID:3144
- - C:\Windows\system32\timeout.exe
    Timeout /T 1 /Nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:3804
- - C:\Users\Update\Update.exe
    "Update.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2556
  - - 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:3252

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\tmpA884.tmp.bat

Filesize
191B

MD5
ec8461261dcc8a61675bb093a35f7c68

SHA1
77477e256885006e4b25f37cd24891deb1241474

SHA256
0c1f4e825a8d259d9a035ce217096d7b01ec34bc915fceac21f54127134bff9b

SHA512
2a7e7185c769c1c4cd1e1ef3a233c28a6a7d86ccf2ab5f5bf519a133b70aa09dba89db96722a6cb99329a9abafae7fb98ac14eff199bb2f29fa5aee17b0f1680

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

Filesize
119KB

MD5
eedc846c4cf322bbcf849a4af793ced5

SHA1
77fa1a6feb62bd77d30be181696802e13524da8d

SHA256
b3ccfc4ddc7f6abf0fa7606be8495acd20c23f85ab23c2fa8bfe43e84befa126

SHA512
6eb5963fa6d4cca6a2de25850cf47064d8ba523223a55048600fce8cadd120487507af50b0fd39c14b20bed3b976bb9510b5699efc7533e540350101c087ba2c

Download Submit
memory/2672-0-0x00007FFDA3DE3000-0x00007FFDA3DE5000-memory.dmp

Filesize
8KB

Download
memory/2672-1-0x00000266F1AF0000-0x00000266F1B14000-memory.dmp

Filesize
144KB

Download
memory/2672-2-0x00007FFDA3DE0000-0x00007FFDA48A2000-memory.dmp

Filesize
10.8MB

Download
memory/2672-6-0x00007FFDA3DE0000-0x00007FFDA48A2000-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