MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33fc7b3ffbbc54e5f542a3d4c0186ba5bd57dcd5266d58c070db57c27874a891. 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



RatonRAT


Vendor detections: 11


Intelligence 11 IOCs YARA 6 File information Comments

SHA256 hash: 33fc7b3ffbbc54e5f542a3d4c0186ba5bd57dcd5266d58c070db57c27874a891
SHA3-384 hash: 95ac324d02b3be5a07ef78f98754fc9fe39513b9a9791b272a2a337c1ce09b498e6ea8d0c54e6c76ea5088d4897706af
SHA1 hash: 2d88e298b8827d4725b6e9e76e398e2a70a7dc03
MD5 hash: 5d4fb07365e83296c6685a772f5251f8
humanhash: louisiana-summer-december-asparagus
File name:qbittorrent_4.4.1_x64_setup.exe
Download: download sample
Signature RatonRAT
File size:41'853'952 bytes
First seen:2026-02-01 07:25:12 UTC
Last seen:2026-02-01 08:49:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'818 x AgentTesla, 19'741 x Formbook, 12'286 x SnakeKeylogger)
ssdeep 786432:a3lIIyhAORF5kaMdW9DCFBZsyA/5pl63J1FfdSV2QIJ4oIOrNFx5:a3lIqdWJCTsX5pl4vNvFBlFx
TLSH T1AA97333811A6DE51E76E0F78E2B3D21C4330E022693F61DFA575135EBA71F0A99B0693
TrID 50.6% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
29.8% (.EXE) InstallShield setup (43053/19/16)
7.2% (.EXE) Win64 Executable (generic) (10522/11/4)
3.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
3.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:exe ratonrat

Intelligence


File Origin
# of uploads :
2
# of downloads :
117
Origin country :
SE SE
Vendor Threat Intelligence
Gathering data
Malware family:
n/a
ID:
1
File name:
qbittorrent_4.4.1_x64_setup.exe
Verdict:
Suspicious activity
Analysis date:
2026-01-31 21:27:20 UTC
Tags:
bittorrent evasion

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
91.7%
Tags:
extens shell madi sage
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 blackhole rozena soft-404 unsafe
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-31T18:37:00Z UTC
Last seen:
2026-01-31T20:48:00Z UTC
Hits:
~100
Detections:
HEUR:Trojan.Win32.Generic Trojan-PSW.MSIL.Stealer.sb Trojan.Win32.Vimditator.sb Backdoor.MSIL.Crysan.d Trojan-PSW.Win32.Agent.sb Trojan-PSW.MSIL.Agent.sb Trojan.Win32.Agent.sb HEUR:Exploit.MSIL.BypassUAC.gen Trojan-PSW.Win32.Stealer.sb Trojan.MSIL.Agent.sb not-a-virus:PSWTool.MSIL.BroPass.sb
Result
Threat name:
n/a
Detection:
malicious
Classification:
spyw.evad
Score:
62 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Creates an autostart registry key pointing to binary in C:\Windows
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Suspicious PowerShell Parameter Substring
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1861144 Sample: qbittorrent_4.4.1_x64_setup.exe Startdate: 01/02/2026 Architecture: WINDOWS Score: 62 48 jamess-34546.portmap.host 2->48 50 ip-api.com 2->50 52 bg.microsoft.map.fastly.net 2->52 66 Suricata IDS alerts for network traffic 2->66 68 Antivirus / Scanner detection for submitted sample 2->68 70 Multi AV Scanner detection for submitted file 2->70 72 6 other signatures 2->72 10 qbittorrent_4.4.1_x64_setup.exe 5 2->10         started        13 rundll32.exe 2->13         started        signatures3 process4 file5 42 C:\Users\user\AppData\...\ratonClient.exe, PE32 10->42 dropped 44 C:\Users\...\qbittorrent_4.4.1_x64_setup.exe, PE32 10->44 dropped 46 C:\...\qbittorrent_4.4.1_x64_setup.exe.log, CSV 10->46 dropped 15 ratonClient.exe 15 3 10->15         started        19 qbittorrent_4.4.1_x64_setup.exe 26 77 10->19         started        process6 dnsIp7 54 jamess-34546.portmap.host 193.161.193.99, 34546, 49683 BITREE-ASRU Russian Federation 15->54 56 ip-api.com 208.95.112.1, 49693, 49694, 49695 TUT-ASUS United States 15->56 58 Multi AV Scanner detection for dropped file 15->58 60 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 15->60 62 Protects its processes via BreakOnTermination flag 15->62 64 2 other signatures 15->64 22 cmd.exe 1 15->22         started        34 C:\Users\user\AppData\...\nsisFirewallW.dll, PE32 19->34 dropped 36 C:\Users\user\AppData\Local\...\nsDialogs.dll, PE32 19->36 dropped 38 C:\Users\user\AppData\Local\Temp\...\UAC.dll, PE32 19->38 dropped 40 5 other files (none is malicious) 19->40 dropped 25 qbittorrent.exe 11 19->25         started        file8 signatures9 process10 signatures11 74 Suspicious powershell command line found 22->74 27 powershell.exe 23 22->27         started        30 conhost.exe 22->30         started        process12 signatures13 76 Loading BitLocker PowerShell Module 27->76 32 WmiPrvSE.exe 27->32         started        process14
Gathering data
Threat name:
Win32.Trojan.Rozena
Status:
Suspicious
First seen:
2026-01-31 21:27:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
106
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion discovery execution persistence spyware stealer
Behaviour
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
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:INDICATOR_EXE_Packed_Fody
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:telebot_framework
Author:vietdx.mb

File information


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

Comments