ratonrat | 704d2ea3c670e6b2831984a80e8f8451a63bc01bfc9738ebf2d42b64a3e2d9b4

Analysis

max time kernel
149s
max time network
148s
platform
windows10-ltsc_2021_x64
resource
win10ltsc2021-20260911-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20260911-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
submitted
02/11/2026, 00:47

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General

Target
Decoder_Slayed-cleaned.exe
Size 605KB
Sample261102-a5fqjsgt2m
SHA256 704d2ea3c670e6b2831984a80e8f8451a63bc01bfc9738ebf2d42b64a3e2d9b4
MD5 18f7aae4163490b02de5ed59390fadab
SHA1 fff300f4518e2271ac8e38ce99171b412624bed6
SHA512 afa0e67a16dad852f91ca936c3a96749853d5603dd9d5785b6aa52e0459a033327b2bd7e6774cc3036948526ed7a1c25af2de0905ac9f412b7a8095b620d7cfd
SSDEEP 12288:AhoR3374rIkzE7tnXknXQaBFJi4RkTAJ0MK86WoLb66OPfD9piI242:vL4kkA7lXkXDDuAOFhWSApi7
TLSH
T1CBD40204B3FC3615EBFE8B3E59F090440FB6B6934920D20C6D86D0AD1A75B82D965FA7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

costura discovery execution ratonrat packer persistence stealer

Malware Config

Extracted

Family

ratonrat

Version

Free

185.227.69.17:505

Mutex

lfUDe0j4NQsVY4DJXucQ2Fv

Attributes

assist
false
box
false
box_icon
No icon
box_msg
Hello, i'm the description of your raton client message box
box_title
Hello, im a title for your message box
defender
true
delay
0
hide_file
false
open_website
false
process_critical
true
raw
silly21
reconnect
3
startup
true
tag
Infected
uac
false
vm
false
website
https://t.me/sillyisafed

Signatures

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

Detects RatonRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/1512-0-0x0000000000890000-0x000000000092E000-memory.dmp	family_ratonrat
behavioral2/files/0x000700000002848b-6.dat	family_ratonrat
behavioral2/memory/1252-9-0x000001D5346E0000-0x000001D53477A000-memory.dmp	family_ratonrat

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
3912	powershell.exe
3912	powershell.exe

Executes dropped EXE 3 IoCs

pid	Process
1708	RatDecoder.exe
1252	ratonClient.exe
1588	ratonClient.exe

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/0x000700000002848b-6.dat	costura

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	ratonClient.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	ratonClient.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RatDecoder.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
1552	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3912	powershell.exe
3912	powershell.exe
1252	ratonClient.exe
1252	ratonClient.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeDebugPrivilege	1252	ratonClient.exe
Token: SeDebugPrivilege	1252	ratonClient.exe
Token: SeDebugPrivilege	3912	powershell.exe
Token: SeIncreaseQuotaPrivilege	3912	powershell.exe
Token: SeSecurityPrivilege	3912	powershell.exe
Token: SeTakeOwnershipPrivilege	3912	powershell.exe
Token: SeLoadDriverPrivilege	3912	powershell.exe
Token: SeSystemProfilePrivilege	3912	powershell.exe
Token: SeSystemtimePrivilege	3912	powershell.exe
Token: SeProfSingleProcessPrivilege	3912	powershell.exe
Token: SeIncBasePriorityPrivilege	3912	powershell.exe
Token: SeCreatePagefilePrivilege	3912	powershell.exe
Token: SeBackupPrivilege	3912	powershell.exe
Token: SeRestorePrivilege	3912	powershell.exe
Token: SeShutdownPrivilege	3912	powershell.exe
Token: SeDebugPrivilege	3912	powershell.exe
Token: SeSystemEnvironmentPrivilege	3912	powershell.exe
Token: SeRemoteShutdownPrivilege	3912	powershell.exe
Token: SeUndockPrivilege	3912	powershell.exe
Token: SeManageVolumePrivilege	3912	powershell.exe
Token: 33	3912	powershell.exe
Token: 34	3912	powershell.exe
Token: 35	3912	powershell.exe
Token: 36	3912	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1512 wrote to memory of 1708	1512	Decoder_Slayed-cleaned.exe	84
PID 1512 wrote to memory of 1252	1512	Decoder_Slayed-cleaned.exe	85
PID 1252 wrote to memory of 1552	1252	ratonClient.exe	87
PID 1252 wrote to memory of 3912	1252	ratonClient.exe	97

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\Decoder_Slayed-cleaned.exe
"C:\Users\Admin\AppData\Local\Temp\Decoder_Slayed-cleaned.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1512
- C:\Users\Admin\AppData\Roaming\RuntimeCache\e235cc23\RatDecoder.exe
  "C:\Users\Admin\AppData\Roaming\RuntimeCache\e235cc23\RatDecoder.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1708
- C:\Users\Admin\AppData\Roaming\RuntimeCache\e235cc23\ratonClient.exe
  "C:\Users\Admin\AppData\Roaming\RuntimeCache\e235cc23\ratonClient.exe"
  2⤵
  - Executes dropped EXE
  - Reads the TCP/IP host and domain name from the registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1252
- - C:\Windows\SYSTEM32\schtasks.exe
    "schtasks" /create /tn "ratonClient" /sc ONLOGON /tr "\"C:\Users\Admin\AppData\Roaming\RuntimeCache\e235cc23\ratonClient.exe\"" /rl HIGHEST /f
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1552
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" -NonInteractive -WindowStyle Hidden -ExecutionPolicy Bypass "Add-MpPreference -ExclusionProcess 'C:\Users\Admin\AppData\Roaming\RuntimeCache\e235cc23\ratonClient.exe'"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3912

C:\Users\Admin\AppData\Roaming\RuntimeCache\e235cc23\ratonClient.exe
"C:\Users\Admin\AppData\Roaming\RuntimeCache\e235cc23\ratonClient.exe"
1⤵
- Executes dropped EXE
PID:1588

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

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

__PSScriptPolicyTest_l5qx0oi2.nql.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_l5qx0oi2.nql.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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RatDecoder.exe

Path C:\Users\Admin\AppData\Roaming\RuntimeCache\e235cc23\RatDecoder.exe
Size 5KB
SHA256 5183a3714bce1388392147cf68bfb69d08183bc3a18155a1c1edff1e3bf7070d
MD5 249f9f464581726e3ea3b7aa271faf78
SHA1 da61ebbcf598f330a08052a2f3031fdacacabc22
SHA512 6a6510ffa2a32390ecd91c246b83609f56ae19bc46a5e41aaec6e7acead41ca38b3d7c8a1e066e04319f39d768d7eba74861d71250d3b776d3363cc05fa99116
SSDEEP 96:4Opu2Km/X4J57tHZNAYjQez7SllBvzNt:4goYX4J5TCopXSnB5
TLSH
T137C1C70617F88333EA7607724DF386005778B6659827DFAD3DC4A25F2E23B184A22B21
MD5 SHA1 SHA512 SSDEEP TLSH

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ratonClient.exe

Path C:\Users\Admin\AppData\Roaming\RuntimeCache\e235cc23\ratonClient.exe
Size 594KB
SHA256 d402cf3f35f982a4642e8ed56ffffaf353b14601f87764349f11cc39d4a7340f
MD5 3f3645a20acc9391c73b44a82ea15cde
SHA1 dfb1b25a6438ebde3dd00fa916b411cf8caa4a4b
SHA512 9bdc8b5c29c7ed34a06ecc54c5c51a93c91c0e63bd462201ecf4bf5fee203ee33d6f5fc7aa1e4291a49a9323e7c282f3880df1093cc0b0a6df4135b32df5a335
SSDEEP 12288:UhoR3374rIkzE7tnXknXQaBFJi4RkTAJ0MK86WoLb66OPfD9piI242:rL4kkA7lXkXDDuAOFhWSApi7
TLSH
T11FD40204B7FC3615EBFE8B3E59F090480F76B6934A20E20C5D82D4AD1675B82D964FA7
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1252-12-0x000001D534B10000-0x000001D534B1A000-memory.dmp

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memory/1252-11-0x000001D54EF20000-0x000001D54EF30000-memory.dmp

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memory/1252-9-0x000001D5346E0000-0x000001D53477A000-memory.dmp

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memory/1252-16-0x000001D536570000-0x000001D53657A000-memory.dmp

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memory/1252-19-0x000001D54EF20000-0x000001D54EF30000-memory.dmp

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memory/1252-20-0x000001D54F9E0000-0x000001D54FDAC000-memory.dmp

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memory/1512-0-0x0000000000890000-0x000000000092E000-memory.dmp

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memory/1708-13-0x0000000000F80000-0x0000000000F88000-memory.dmp

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memory/3912-23-0x000001F7ADBE0000-0x000001F7ADC02000-memory.dmp

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