ratonrat | 751feed165edfe206608c263bf138ae57dd7e6da60e6e3bf215210bcec339158

Analysis

max time kernel
148s
max time network
142s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260630-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260630-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/07/2026, 12:08

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General

Target
ratonClient.exe
Size 94KB
Sample260702-pbc5wsf14r
SHA256 751feed165edfe206608c263bf138ae57dd7e6da60e6e3bf215210bcec339158
MD5 ede670f049cab842fa76996d2949a08b
SHA1 dd9d73e1d83f92d323ef64373b5130bd3a7203a4
SHA512 609dd1d6392def16198cc79dc1df246b41243317ec4ce6d9c85b5f20f0bc1d0a094eb1bb2e17ec351d27a3a0441ee1e70f075d56575b475cd30e31203de49678
SSDEEP 1536:LagVZgr9rGdTsqa4tsi5Y0nFLcN8iNZSbYKp+CUC8Ov1yq:mgVKr9eAX4tne0nlTiNZSbYKzUCfvwq
TLSH
T11E934A0433FC292AE7FF8FBD69B560510F32B9179E31D64D598A60980A71B829D20F77
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

costura defense_evasion execution ratonrat packer persistence stealer

Malware Config

Extracted

Family

ratonrat

Version

v4.0.0

portbuddy.dev:42628

Mutex

0WUgxRUQncJSZOzMwE0Cxbs

Attributes

assist
false
box
false
box_icon
Error
box_msg
I'm the message box description
box_title
Hello World
defender
true
delay
0
hide_file
true
open_website
false
process_critical
true
raw
silly21
reconnect
3
startup
true
tag
Infected
uac
false
vm
false
website
https://t.me/example

Signatures

Family: RatonRAT
RatonRAT is an information stealer written in C#.
stealer ratonrat

Detects RatonRAT payload 2 IoCs

resource	yara_rule
behavioral2/memory/6028-1-0x000001AF21220000-0x000001AF2123E000-memory.dmp	family_ratonrat
behavioral2/files/0x000e00000001c4a5-11.dat	family_ratonrat

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
4540	powershell.exe
4540	powershell.exe

Executes dropped EXE 2 IoCs

pid	Process
1592	ratonClient.exe
1012	ratonClient.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
1	ip-api.com

Costura .NET executable packer 1 IoCs

Costura packer aka Costura Fody, is an add-in for the .NET framework that embeds all external dependency .dll files as resources inside main executable.

costura packer

resource	yara_rule
behavioral2/files/0x000e00000001c4a5-11.dat	costura

Delays execution with timeout.exe 2 IoCs

defense_evasion

pid	Process
3116	timeout.exe
3688	timeout.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4132	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4540	powershell.exe
4540	powershell.exe
1592	ratonClient.exe
1592	ratonClient.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeDebugPrivilege	1592	ratonClient.exe
Token: SeDebugPrivilege	1592	ratonClient.exe
Token: SeDebugPrivilege	4540	powershell.exe
Token: SeIncreaseQuotaPrivilege	4540	powershell.exe
Token: SeSecurityPrivilege	4540	powershell.exe
Token: SeTakeOwnershipPrivilege	4540	powershell.exe
Token: SeLoadDriverPrivilege	4540	powershell.exe
Token: SeSystemProfilePrivilege	4540	powershell.exe
Token: SeSystemtimePrivilege	4540	powershell.exe
Token: SeProfSingleProcessPrivilege	4540	powershell.exe
Token: SeIncBasePriorityPrivilege	4540	powershell.exe
Token: SeCreatePagefilePrivilege	4540	powershell.exe
Token: SeBackupPrivilege	4540	powershell.exe
Token: SeRestorePrivilege	4540	powershell.exe
Token: SeShutdownPrivilege	4540	powershell.exe
Token: SeDebugPrivilege	4540	powershell.exe
Token: SeSystemEnvironmentPrivilege	4540	powershell.exe
Token: SeRemoteShutdownPrivilege	4540	powershell.exe
Token: SeUndockPrivilege	4540	powershell.exe
Token: SeManageVolumePrivilege	4540	powershell.exe
Token: 33	4540	powershell.exe
Token: 34	4540	powershell.exe
Token: 35	4540	powershell.exe
Token: 36	4540	powershell.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 6028 wrote to memory of 2124	6028	ratonClient.exe	88
PID 2124 wrote to memory of 5404	2124	cmd.exe	90
PID 2124 wrote to memory of 3688	2124	cmd.exe	91
PID 2124 wrote to memory of 1592	2124	cmd.exe	92
PID 2124 wrote to memory of 3116	2124	cmd.exe	93
PID 1592 wrote to memory of 4132	1592	ratonClient.exe	94
PID 1592 wrote to memory of 4540	1592	ratonClient.exe	98

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\ratonClient.exe
"C:\Users\Admin\AppData\Local\Temp\ratonClient.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:6028
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\cleanup_ReZw8CUUCETi1jUk3q9eRZaQfEIoC7.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2124
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:5404
- - C:\Windows\system32\timeout.exe
    timeout /t 2 /nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:3688
- - C:\Users\Admin\AppData\Roaming\PlatformRuntime\ratonClient.exe
    "C:\Users\Admin\AppData\Roaming\PlatformRuntime\ratonClient.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1592
  - - C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /create /tn "ratonClient" /sc ONLOGON /tr "\"C:\Users\Admin\AppData\Roaming\PlatformRuntime\ratonClient.exe\"" /rl HIGHEST /f
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:4132
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -NonInteractive -WindowStyle Hidden -ExecutionPolicy Bypass "Add-MpPreference -ExclusionProcess 'C:\Users\Admin\AppData\Roaming\PlatformRuntime\ratonClient.exe'"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4540
- - C:\Windows\system32\timeout.exe
    timeout /t 1 /nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:3116

C:\Users\Admin\AppData\Roaming\PlatformRuntime\ratonClient.exe
"C:\Users\Admin\AppData\Roaming\PlatformRuntime\ratonClient.exe"
1⤵
- Executes dropped EXE
PID:1012

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

ratonClient.exe

Path C:\Users\Admin\AppData\Roaming\PlatformRuntime\ratonClient.exe
Size 94KB
SHA256 751feed165edfe206608c263bf138ae57dd7e6da60e6e3bf215210bcec339158
MD5 ede670f049cab842fa76996d2949a08b
SHA1 dd9d73e1d83f92d323ef64373b5130bd3a7203a4
SHA512 609dd1d6392def16198cc79dc1df246b41243317ec4ce6d9c85b5f20f0bc1d0a094eb1bb2e17ec351d27a3a0441ee1e70f075d56575b475cd30e31203de49678
SSDEEP 1536:LagVZgr9rGdTsqa4tsi5Y0nFLcN8iNZSbYKp+CUC8Ov1yq:mgVKr9eAX4tne0nlTiNZSbYKzUCfvwq
TLSH
T11E934A0433FC292AE7FF8FBD69B560510F32B9179E31D64D598A60980A71B829D20F77
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

cleanup_ReZw8CUUCETi1jUk3q9eRZaQfEIoC7.bat

Path C:\Users\Admin\AppData\Roaming\Temp\cleanup_ReZw8CUUCETi1jUk3q9eRZaQfEIoC7.bat
Size 546B
SHA256 f1fa0613b93c3c7428e4cf8954335a048852d159d06eecaecaf064542763db63
MD5 f4b633c46cdf0f12396c41f9eecfe781
SHA1 f046c4344523146f6852885dc54ed62184df756b
SHA512 1c521f94f22b2e30550f9cc90d4909f7a950a9f3544d25c20b5f6b44b705a3dc8d599f4004f7ce02f22aba69d912dfefd615d9aa3f9e71918ea5124bc0e6090d
TLSH
T1AFF0F042338A83281450A13B4EB670CCD0BD446BBF8675923A28C44EA79600BE6C7BE1
MD5 SHA1 SHA512 TLSH

Submit Download

memory/1592-27-0x00007FFA6E630000-0x00007FFA6EFD4000-memory.dmp

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memory/1592-17-0x000001F2662D0000-0x000001F266646000-memory.dmp

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memory/1592-15-0x00007FFA6E630000-0x00007FFA6EFD4000-memory.dmp

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memory/1592-14-0x00007FFA6E630000-0x00007FFA6EFD4000-memory.dmp

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memory/1592-13-0x00007FFA6E630000-0x00007FFA6EFD4000-memory.dmp

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memory/1592-12-0x00007FFA6E630000-0x00007FFA6EFD4000-memory.dmp

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memory/4540-20-0x0000013F25470000-0x0000013F25492000-memory.dmp

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memory/4540-23-0x0000013F25530000-0x0000013F2554E000-memory.dmp

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memory/4540-24-0x0000013F25550000-0x0000013F25602000-memory.dmp

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memory/4540-25-0x0000013F25520000-0x0000013F2552A000-memory.dmp

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memory/6028-10-0x00007FFA6E630000-0x00007FFA6EFD4000-memory.dmp

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memory/6028-8-0x00007FFA6E630000-0x00007FFA6EFD4000-memory.dmp

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memory/6028-4-0x00007FFA6E630000-0x00007FFA6EFD4000-memory.dmp

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memory/6028-7-0x00007FFA6E630000-0x00007FFA6EFD4000-memory.dmp

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memory/6028-2-0x000001AF21720000-0x000001AF21728000-memory.dmp

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memory/6028-3-0x00007FFA6E630000-0x00007FFA6EFD4000-memory.dmp

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memory/6028-0-0x00007FFA6E7BF000-0x00007FFA6E7C0000-memory.dmp

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memory/6028-1-0x000001AF21220000-0x000001AF2123E000-memory.dmp

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