toxiceye | d5210ceacbac1b615fc7286df0435b5fb0562ee8cf90e4f8242c544ea906e43b

General

Target

GPT4ALL.exe
Size

111KB
MD5

c82f0edecbf1280b75b0bbd04b030f19
SHA1

6cd8cf4e48103e92f48951428bfb594aea0e313b
SHA256

d5210ceacbac1b615fc7286df0435b5fb0562ee8cf90e4f8242c544ea906e43b
SHA512

1583eefc55fbe37a810cffe31f957f299091ecf8e7b293f150f473318daec3f085a015ef8b37022f7c5f80093abe0076f7d6566b23b96a7e5fde2394d3d5f4db
SSDEEP

3072:ZbKoYUuQaS+T8s14NEn05vYvjNhOYhbxqHRQWtzCrAZu9d2:zYUuQaS+T8s14NEn0RyNVbgz

Score

10^/10

toxiceye rat trojan

Malware Config

Extracted

Family

toxiceye

C2

https://api.telegram.org/bot6874514158:AAF3aMojFRhYPPKLlQHDrhjxEaY4YfxO8Og/sendMessage?chat_id=6875765187

Signatures

ToxicEye
ToxicEye is a trojan written in C#.
rat trojan 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

Processes:

GPT4ALL.exerat.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	GPT4ALL.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	rat.exe

Executes dropped EXE 1 IoCs

Processes:

rat.exe

pid process

2852 rat.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exe

pid process

4560 schtasks.exe
4624 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2880 timeout.exe
Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery
T1057

Processes:

tasklist.exe

pid process

4500 tasklist.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

rat.exe

pid process

2852 rat.exe

pid	process
4560	schtasks.exe
4624	schtasks.exe

pid	process
2880	timeout.exe

pid	process
4500	tasklist.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

Processes:

rat.exe

pid	process
2852	rat.exe
2852	rat.exe
2852	rat.exe
2852	rat.exe
2852	rat.exe
2852	rat.exe
2852	rat.exe
2852	rat.exe
2852	rat.exe
2852	rat.exe
2852	rat.exe
2852	rat.exe
2852	rat.exe
2852	rat.exe
2852	rat.exe
2852	rat.exe
2852	rat.exe
2852	rat.exe
2852	rat.exe
2852	rat.exe
2852	rat.exe
2852	rat.exe
2852	rat.exe
2852	rat.exe
2852	rat.exe
2852	rat.exe
2852	rat.exe
2852	rat.exe
2852	rat.exe
2852	rat.exe
2852	rat.exe
2852	rat.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

GPT4ALL.exetasklist.exerat.exe

description	pid	process
Token: SeDebugPrivilege	5100	GPT4ALL.exe
Token: SeDebugPrivilege	4500	tasklist.exe
Token: SeDebugPrivilege	2852	rat.exe
Token: SeDebugPrivilege	2852	rat.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

rat.exe

pid process

2852 rat.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

GPT4ALL.execmd.exerat.exe

description	pid	process	target process
PID 5100 wrote to memory of 4560	5100	GPT4ALL.exe	schtasks.exe
PID 5100 wrote to memory of 4560	5100	GPT4ALL.exe	schtasks.exe
PID 5100 wrote to memory of 3508	5100	GPT4ALL.exe	cmd.exe
PID 5100 wrote to memory of 3508	5100	GPT4ALL.exe	cmd.exe
PID 3508 wrote to memory of 4500	3508	cmd.exe	tasklist.exe
PID 3508 wrote to memory of 4500	3508	cmd.exe	tasklist.exe
PID 3508 wrote to memory of 4404	3508	cmd.exe	find.exe
PID 3508 wrote to memory of 4404	3508	cmd.exe	find.exe
PID 3508 wrote to memory of 2880	3508	cmd.exe	timeout.exe
PID 3508 wrote to memory of 2880	3508	cmd.exe	timeout.exe
PID 3508 wrote to memory of 2852	3508	cmd.exe	rat.exe
PID 3508 wrote to memory of 2852	3508	cmd.exe	rat.exe
PID 2852 wrote to memory of 4624	2852	rat.exe	schtasks.exe
PID 2852 wrote to memory of 4624	2852	rat.exe	schtasks.exe

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\GPT4ALL.exe
"C:\Users\Admin\AppData\Local\Temp\GPT4ALL.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5100
- 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⤵
  - Creates scheduled task(s)
  PID:4560
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp3C1A.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmp3C1A.tmp.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3508
- - C:\Windows\system32\tasklist.exe
    Tasklist /fi "PID eq 5100"
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:4500
- - C:\Windows\system32\find.exe
    find ":"
    3⤵
    PID:4404
- - C:\Windows\system32\timeout.exe
    Timeout /T 1 /Nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:2880
- - 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:2852
  - - 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⤵
      Creates scheduled task(s)
      PID:4624

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1340 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
1⤵
PID:1696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

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\tmp3C1A.tmp.bat

Filesize
184B

MD5
c3e81d7bfb6d12a9f202f5de506ccf72

SHA1
7a02bd25a5c02a2bbdbf804ec444d59b99f6bd3b

SHA256
55813b6d11943190c49cb26629875b0e2b006307d8f40f2f28d0fc48b71782ee

SHA512
f2fed316d152314e1636df92441e0941c2f7ab5d78f4730124339e5edbef8230c31fc7d119910b71943ab1b82ff18a7bc14c2b94083dd4505e9ca00ad737109b

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

Filesize
111KB

MD5
c82f0edecbf1280b75b0bbd04b030f19

SHA1
6cd8cf4e48103e92f48951428bfb594aea0e313b

SHA256
d5210ceacbac1b615fc7286df0435b5fb0562ee8cf90e4f8242c544ea906e43b

SHA512
1583eefc55fbe37a810cffe31f957f299091ecf8e7b293f150f473318daec3f085a015ef8b37022f7c5f80093abe0076f7d6566b23b96a7e5fde2394d3d5f4db

Download Submit
memory/5100-0-0x00007FFC22ED3000-0x00007FFC22ED5000-memory.dmp

Filesize
8KB

Download
memory/5100-1-0x000002632EA80000-0x000002632EAA2000-memory.dmp

Filesize
136KB

Download
memory/5100-2-0x00007FFC22ED0000-0x00007FFC23991000-memory.dmp

Filesize
10.8MB

Download
memory/5100-6-0x00007FFC22ED0000-0x00007FFC23991000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads