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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 becef815900330a003675673d1b0bdc907d8c2ab3d6779079a3ad246ad6125c2. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


RuRAT


Vendor detections: 8


Intelligence 8 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: becef815900330a003675673d1b0bdc907d8c2ab3d6779079a3ad246ad6125c2
SHA3-384 hash: 771ac7e64d45b9a488513bc0bcfca574c097150db79768375ffee2a6b4c4b901d0bf361f4efa3130975d403eedbfcbfc
SHA1 hash: ff49a673aac7c53a31e5aec7c6ea3f6aac010b05
MD5 hash: d1ae811c82f2ecc7d3ca7cb7fbbcd13b
humanhash: north-glucose-montana-carbon
File name:becef815900330a003675673d1b0bdc907d8c2ab3d6779079a3ad246ad6125c2.msi
Download: download sample
Signature RuRAT
Create hunting rule
File size:30'225'920 bytes
First seen:2026-10-10 00:11:56 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 393216:zY8phN9mDlEYxIqwFsRkwSasMPqwwVSelRz75HcV9WvSmnl5fIAtqPsvXCY8ryyB:zRiEQIqwFJ1aoHjRl8HWvnsAtM
TLSH T194672382F6804036DA67163256FADE38487DFC705F6123CF27D872396E728C15A3A65B
TrID 66.4% (.MSI) Microsoft Windows Installer (454500/1/170)
16.5% (.MSM) Windows Installer Merge Module (113019/2/34)
8.9% (.MST) Windows SDK Setup Transform script (61000/1/5)
6.5% (.MSP) Windows Installer Patch (44509/10/5)
1.1% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter whack_sh
Tags:msi RuRAT signed

Code Signing Certificate

Organisation:REMOTE UTILITIES PTE. LTD.
Issuer:GlobalSign GCC R45 CodeSigning CA 2020
Algorithm:sha256WithRSAEncryption
Valid from:2025-01-14T06:45:16Z
Valid to:2028-01-15T06:45:16Z
Serial number: 1b39b74a07454d836c1d9eec
Intelligence: 5 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 86b5bf11004452550f2d92d67a06dd9997f0c66b27ffb895286d159b7bf58e88
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
83
Origin country :
US US
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/e091469f-6ca5-494b-944d-93b07c3a204a/
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm explorer lolbin signed
Link:
https://www.filescan.io/uploads/6ac982f11f2e6b56f185c66b/reports/919ccb91-4454-4249-b492-ba15624af3dd/overview
Verdict:
Malicious
Link:
https://www.hybrid-analysis.com/sample/becef815900330a003675673d1b0bdc907d8c2ab3d6779079a3ad246ad6125c2
Verdict:
Unknown
File Type:
msi
First seen:
2026-10-11T20:17:00Z UTC
Last seen:
2026-10-11T20:31:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/becef815900330a003675673d1b0bdc907d8c2ab3d6779079a3ad246ad6125c2/results?tab=lookup
Result
Threat name:
RMSRemoteAdmin, Remote Utilities
Create hunting rule
Detection:
suspicious
Classification:
troj
Score:
30 / 100
Link:
https://www.joesandbox.com/analysis/1985147
Signature
Detected Remote Utilities RAT
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1985147 Sample: SnIb5uioSG.msi Startdate: 10/10/2026 Architecture: WINDOWS Score: 30 29 Malicious sample detected (through community Yara rule) 2->29 31 Joe Sandbox ML detected suspicious sample 2->31 6 msiexec.exe 95 91 2->6         started        10 msiexec.exe 7 2->10         started        process3 file4 19 C:\Program Files (x86)\...\rutserv.exe, PE32 6->19 dropped 21 C:\Program Files (x86)\...\rfusclient.exe, PE32 6->21 dropped 23 en_server_stop_B60...E7A415B72132E14.exe, PE32 6->23 dropped 27 40 other files (none is malicious) 6->27 dropped 33 Detected Remote Utilities RAT 6->33 12 rutserv.exe 8 3 6->12         started        15 rfusclient.exe 7 6->15         started        17 msiexec.exe 6->17         started        25 C:\Users\user\AppData\Local\...\MSI5AB6.tmp, PE32 10->25 dropped signatures5 process6 signatures7 35 Detected Remote Utilities RAT 12->35
Score:
31%
Verdict:
Susipicious
File Type:
ARCHIVE
Link:
https://malprob.io/report/becef815900330a003675673d1b0bdc907d8c2ab3d6779079a3ad246ad6125c2
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x3hpqfmqamykaa3hkzz5dmf5zed5rqvlhvtxsb42hljenllbexba._file
Result
Malware family:
rurat
Create hunting rule
Score:
  10/10
Tags:
family:rurat backdoor defense_evasion discovery persistence privilege_escalation ransomware spyware trojan
Link:
https://tria.ge/reports/261010-ahe6hagt8y/
Behaviour
Checks SCSI registry key(s)
Modifies data under HKEY_USERS
Modifies registry class
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy service COM API
Embeds OpenSSL
Enumerates physical storage devices
Event Triggered Execution: Installer Packages
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Badlisted process makes network request
Enumerates connected drives
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Boot or Logon Autostart Execution: Port Monitors
Family: RuRAT
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:test_rule_vldslv
Create hunting rule
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

RuRAT

Microsoft Software Installer (MSI) msi becef815900330a003675673d1b0bdc907d8c2ab3d6779079a3ad246ad6125c2

(this sample)

  
Delivery method
Distributed via web download

Comments