toxiceye | 825509eb0672d6114194c773b017d5d41d9e67be4fe41f753f9c6bb37b1c32db

General

Target

ChromeUpdate.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

Deletes itself 1 IoCs

pid	Process
2716	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2068	rat.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

discovery

Process Discovery

T1057

pid	Process
2580	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
2652	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
2828	schtasks.exe
2944	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2068	rat.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2068	rat.exe
2068	rat.exe
2068	rat.exe
2068	rat.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2280	ChromeUpdate.exe
Token: SeDebugPrivilege	2580	tasklist.exe
Token: SeDebugPrivilege	2068	rat.exe
Token: SeDebugPrivilege	2068	rat.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2068	rat.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2828	2280	ChromeUpdate.exe	33
PID 2280 wrote to memory of 2828	2280	ChromeUpdate.exe	33
PID 2280 wrote to memory of 2828	2280	ChromeUpdate.exe	33
PID 2280 wrote to memory of 2716	2280	ChromeUpdate.exe	35
PID 2280 wrote to memory of 2716	2280	ChromeUpdate.exe	35
PID 2280 wrote to memory of 2716	2280	ChromeUpdate.exe	35
PID 2716 wrote to memory of 2580	2716	cmd.exe	37
PID 2716 wrote to memory of 2580	2716	cmd.exe	37
PID 2716 wrote to memory of 2580	2716	cmd.exe	37
PID 2716 wrote to memory of 2588	2716	cmd.exe	38
PID 2716 wrote to memory of 2588	2716	cmd.exe	38
PID 2716 wrote to memory of 2588	2716	cmd.exe	38
PID 2716 wrote to memory of 2652	2716	cmd.exe	39
PID 2716 wrote to memory of 2652	2716	cmd.exe	39
PID 2716 wrote to memory of 2652	2716	cmd.exe	39
PID 2716 wrote to memory of 2068	2716	cmd.exe	40
PID 2716 wrote to memory of 2068	2716	cmd.exe	40
PID 2716 wrote to memory of 2068	2716	cmd.exe	40
PID 2068 wrote to memory of 2944	2068	rat.exe	42
PID 2068 wrote to memory of 2944	2068	rat.exe	42
PID 2068 wrote to memory of 2944	2068	rat.exe	42
PID 2068 wrote to memory of 1500	2068	rat.exe	44
PID 2068 wrote to memory of 1500	2068	rat.exe	44
PID 2068 wrote to memory of 1500	2068	rat.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:2280
- 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:2828
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmpF48C.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmpF48C.tmp.bat
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2716
- - C:\Windows\system32\tasklist.exe
    Tasklist /fi "PID eq 2280"
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2580
- - C:\Windows\system32\find.exe
    find ":"
    3⤵
    PID:2588
- - C:\Windows\system32\timeout.exe
    Timeout /T 1 /Nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:2652
- - C:\Users\ToxicEye\rat.exe
    "rat.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2068
  - - 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:2944
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2068 -s 1688
      4⤵
      PID:1500

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\tmpF48C.tmp.bat

Filesize
189B

MD5
b3bec4f192e5ced7e12ef3169fcaf3e9

SHA1
286735639326fcf7adf511d267fd2b058a687afc

SHA256
a92ed8fb6de57080b09155c515935340bdfbc5c821425c9bf078b72291148d08

SHA512
575899172677bd50b25030b7aaa59eb17397ab370397992492af7ae1a42438f70cd36729f08991ea3309a0a8b32ee163641943ba28a3ce2816994e6a1e2001c8

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

Filesize
119KB

MD5
a39f21db0576a82177ee4c806766d763

SHA1
ee4676f4dedd24003ce1bd972cbce95ef51fa07f

SHA256
825509eb0672d6114194c773b017d5d41d9e67be4fe41f753f9c6bb37b1c32db

SHA512
ea07e5d6f2b8ae0fbf8c1931d844bfbff920b3c9f83d10d38bd76828ed2d8a4b849251a87f5e2ad6bb1e9d9b1e5a75520baf2b70e063f44595e058c433be1133

Download Submit
memory/2068-10-0x0000000001170000-0x0000000001194000-memory.dmp

Filesize
144KB

Download
memory/2280-0-0x000007FEF5B73000-0x000007FEF5B74000-memory.dmp

Filesize
4KB

Download
memory/2280-1-0x00000000008D0000-0x00000000008F4000-memory.dmp

Filesize
144KB

Download
memory/2280-2-0x000007FEF5B70000-0x000007FEF655C000-memory.dmp

Filesize
9.9MB

Download
memory/2280-5-0x000007FEF5B70000-0x000007FEF655C000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads