toxiceye | 825509eb0672d6114194c773b017d5d41d9e67be4fe41f753f9c6bb37b1c32db

Reason

Machine shutdown

General

Target

Chrome Update.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-1-5-21-2934520114-3201407646-466687995-1000\Control Panel\International\Geo\Nation	rat.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2934520114-3201407646-466687995-1000\Control Panel\International\Geo\Nation	Chrome Update.exe

Executes dropped EXE 1 IoCs

pid	Process
3444	rat.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

discovery

Process Discovery

T1057

pid	Process
4468	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
4528	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
4080	schtasks.exe
648	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3444	rat.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3444	rat.exe
3444	rat.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	704	Chrome Update.exe
Token: SeDebugPrivilege	4468	tasklist.exe
Token: SeDebugPrivilege	3444	rat.exe
Token: SeDebugPrivilege	3444	rat.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3444	rat.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 704 wrote to memory of 4080	704	Chrome Update.exe	84
PID 704 wrote to memory of 4080	704	Chrome Update.exe	84
PID 704 wrote to memory of 3832	704	Chrome Update.exe	88
PID 704 wrote to memory of 3832	704	Chrome Update.exe	88
PID 3832 wrote to memory of 4468	3832	cmd.exe	90
PID 3832 wrote to memory of 4468	3832	cmd.exe	90
PID 3832 wrote to memory of 1236	3832	cmd.exe	91
PID 3832 wrote to memory of 1236	3832	cmd.exe	91
PID 3832 wrote to memory of 4528	3832	cmd.exe	92
PID 3832 wrote to memory of 4528	3832	cmd.exe	92
PID 3832 wrote to memory of 3444	3832	cmd.exe	94
PID 3832 wrote to memory of 3444	3832	cmd.exe	94
PID 3444 wrote to memory of 648	3444	rat.exe	96
PID 3444 wrote to memory of 648	3444	rat.exe	96

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:704
- 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:4080
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmpA2D7.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmpA2D7.tmp.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3832
- - C:\Windows\system32\tasklist.exe
    Tasklist /fi "PID eq 704"
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:4468
- - C:\Windows\system32\find.exe
    find ":"
    3⤵
    PID:1236
- - C:\Windows\system32\timeout.exe
    Timeout /T 1 /Nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:4528
- - 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:3444
  - - 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:648

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\tmpA2D7.tmp.bat

Filesize
189B

MD5
95539f567d1cbd10a1a4ad228af4637f

SHA1
1a22b41ea942cb3d60151561c12c12bc1b25ffb4

SHA256
16f23467fc6f281a8e41cc6646ecd5a08f74b32c4642ddcab34883590dc11697

SHA512
595a96cc47fc2bacae14db1ab0e13a39d24f977cc55e95b6d6dc254e32e9bb5689fb06fe4ae2675fa11e1b4d98aa535c84082a0dc4c0b49fa023187593ec8146

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

Filesize
119KB

MD5
a39f21db0576a82177ee4c806766d763

SHA1
ee4676f4dedd24003ce1bd972cbce95ef51fa07f

SHA256
825509eb0672d6114194c773b017d5d41d9e67be4fe41f753f9c6bb37b1c32db

SHA512
ea07e5d6f2b8ae0fbf8c1931d844bfbff920b3c9f83d10d38bd76828ed2d8a4b849251a87f5e2ad6bb1e9d9b1e5a75520baf2b70e063f44595e058c433be1133

Download Submit
memory/704-0-0x00007FF817903000-0x00007FF817905000-memory.dmp

Filesize
8KB

Download
memory/704-1-0x0000021CC83F0000-0x0000021CC8414000-memory.dmp

Filesize
144KB

Download
memory/704-2-0x00007FF817900000-0x00007FF8183C2000-memory.dmp

Filesize
10.8MB

Download
memory/704-5-0x00007FF817900000-0x00007FF8183C2000-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