toxiceye | ad14b62650cdbe1118aa5a601682b4d8bea1a432db985fb3e96de1c9fc1e5e1c

General

Target

ChromeUpdate.exe
Size

111KB
MD5

5dce69d8563e7d4a8f82e5be8b2f1a62
SHA1

1458edbb836f33749682b557ab8095afd3bcc0cf
SHA256

ad14b62650cdbe1118aa5a601682b4d8bea1a432db985fb3e96de1c9fc1e5e1c
SHA512

e3845e4ab3e0f6df8075850c0c8a4c97caaf71d1bdc969d82749f3a567818d854fb4bcce9f75693eb8cd8e0280334a7c2f0da81e6f5756ca8e1cff7e55ce474f
SSDEEP

1536:7+bQeCwEXM91qQIwiG39Wr1m8ndbhHqI6JQWqzCrAZuulvsp:Cb1ClXbG30ro8dbZqHJQWqzCrAZuu+p

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
2656	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2464	Update.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

discovery

Process Discovery

T1057

pid	Process
1980	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
2756	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
2824	schtasks.exe
2432	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2464	Update.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2464	Update.exe
2464	Update.exe
2464	Update.exe
2464	Update.exe
2464	Update.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2112	ChromeUpdate.exe
Token: SeDebugPrivilege	1980	tasklist.exe
Token: SeDebugPrivilege	2464	Update.exe
Token: SeDebugPrivilege	2464	Update.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2464	Update.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2824	2112	ChromeUpdate.exe	33
PID 2112 wrote to memory of 2824	2112	ChromeUpdate.exe	33
PID 2112 wrote to memory of 2824	2112	ChromeUpdate.exe	33
PID 2112 wrote to memory of 2656	2112	ChromeUpdate.exe	35
PID 2112 wrote to memory of 2656	2112	ChromeUpdate.exe	35
PID 2112 wrote to memory of 2656	2112	ChromeUpdate.exe	35
PID 2656 wrote to memory of 1980	2656	cmd.exe	37
PID 2656 wrote to memory of 1980	2656	cmd.exe	37
PID 2656 wrote to memory of 1980	2656	cmd.exe	37
PID 2656 wrote to memory of 2636	2656	cmd.exe	38
PID 2656 wrote to memory of 2636	2656	cmd.exe	38
PID 2656 wrote to memory of 2636	2656	cmd.exe	38
PID 2656 wrote to memory of 2756	2656	cmd.exe	39
PID 2656 wrote to memory of 2756	2656	cmd.exe	39
PID 2656 wrote to memory of 2756	2656	cmd.exe	39
PID 2656 wrote to memory of 2464	2656	cmd.exe	40
PID 2656 wrote to memory of 2464	2656	cmd.exe	40
PID 2656 wrote to memory of 2464	2656	cmd.exe	40
PID 2464 wrote to memory of 2432	2464	Update.exe	42
PID 2464 wrote to memory of 2432	2464	Update.exe	42
PID 2464 wrote to memory of 2432	2464	Update.exe	42
PID 2464 wrote to memory of 2176	2464	Update.exe	44
PID 2464 wrote to memory of 2176	2464	Update.exe	44
PID 2464 wrote to memory of 2176	2464	Update.exe	44

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:2112
- 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:2824
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmpEF8D.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmpEF8D.tmp.bat
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2656
- - C:\Windows\system32\tasklist.exe
    Tasklist /fi "PID eq 2112"
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1980
- - C:\Windows\system32\find.exe
    find ":"
    3⤵
    PID:2636
- - C:\Windows\system32\timeout.exe
    Timeout /T 1 /Nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:2756
- - 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:2464
  - - 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:2432
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2464 -s 1624
      4⤵
      PID:2176

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpEF8D.tmp.bat

Filesize
190B

MD5
0e47b86f8062ef4a574ba84d57caaf95

SHA1
c618fbea1c0db947c477ef58ea5b321893012437

SHA256
aafe9f8ba03cf4d5a5924d0037931024cbb228eabd0a388f0746183bdd48a70e

SHA512
dfe433ffaa97e2c0a119188a8dd66c45213845194c35656da8a4fbe25e33aef587b52ddce5d34dcb5675756702a4d43140f95ec7622850ebcd4fbef2c9e6776f

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

Filesize
111KB

MD5
5dce69d8563e7d4a8f82e5be8b2f1a62

SHA1
1458edbb836f33749682b557ab8095afd3bcc0cf

SHA256
ad14b62650cdbe1118aa5a601682b4d8bea1a432db985fb3e96de1c9fc1e5e1c

SHA512
e3845e4ab3e0f6df8075850c0c8a4c97caaf71d1bdc969d82749f3a567818d854fb4bcce9f75693eb8cd8e0280334a7c2f0da81e6f5756ca8e1cff7e55ce474f

Download Submit
memory/2112-0-0x000007FEF5593000-0x000007FEF5594000-memory.dmp

Filesize
4KB

Download
memory/2112-1-0x0000000000090000-0x00000000000B2000-memory.dmp

Filesize
136KB

Download
memory/2112-2-0x000007FEF5590000-0x000007FEF5F7C000-memory.dmp

Filesize
9.9MB

Download
memory/2112-5-0x000007FEF5590000-0x000007FEF5F7C000-memory.dmp

Filesize
9.9MB

Download
memory/2464-10-0x00000000008D0000-0x00000000008F2000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads