MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6fbd0154cf0a5604efe36e6c9007890f01fe6fae45593d132f3a0f79b2f0629d. 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


RustyStealer


Vendor detections: 13


Intelligence 13 IOCs YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6fbd0154cf0a5604efe36e6c9007890f01fe6fae45593d132f3a0f79b2f0629d
SHA3-384 hash: 9b6cb89476c0724b5680548de18b58ffd7d869941ef8527a666b6020327dd34f6abef7a8c66a999319332c8ca4703258
SHA1 hash: 12c8be199a17e63cafa011a1b3ad0bd55dbd73bc
MD5 hash: 723063e6026c2fcf86dc61f5a399d329
humanhash: bacon-carbon-aspen-thirteen
File name:lets2026-asdhkj-64.exe
Download: download sample
Signature RustyStealer
Create hunting rule
File size:84'521'427 bytes
First seen:2026-01-22 09:55:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9dda1a1d1f8a1d13ae0297b47046b26e (65 x Formbook, 45 x GuLoader, 28 x RemcosRAT)
ssdeep 1572864:WEamcPeA0i2FoVg0PsYKOlYkm2iM+4VL9VS4qim5PXkGzUjhveaN:WhaAL2CJEYPlVYMrZV9QPLzuveS
Threatray 41 similar samples on MalwareBazaar
TLSH T1820833243E56D1CEC8A5A0B389E41AB42524ACB5E0DC302D3699FF9E74F9175BC0B35B
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon d0e0f86cf4dcdccc (5 x ValleyRAT, 2 x AsyncRAT, 1 x VenomRAT)
Reporter smica83
Tags:exe RustyStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
149
Origin country :
HU HU
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/b86a3133-d62e-4f84-842e-e1113d5105a3/
Malware family:
n/a
ID:
1
File name:
_6fbd0154cf0a5604efe36e6c9007890f01fe6fae45593d132f3a0f79b2f0629d
Verdict:
Malicious activity
Analysis date:
2026-01-22 09:57:58 UTC
Tags:
roning loader anti-evasion rust
Link:
https://app.any.run/tasks/f9a4959d-e7e6-49f2-9de9-83e133ac6541

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6971f452f3cf908ba50740ea
Tags:
emotet cobalt spoof
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context anti-debug anti-vm blackhole fingerprint installer installer installer-heuristic microsoft_visual_cc nsis soft-404
Link:
https://www.filescan.io/uploads/6971f42c55805a763fefbb3b/reports/342ddd12-c1d5-49ff-becb-611bccd340b6/overview
Verdict:
Malicious
Labled as:
MSIL_LetsVPN_A_potentially_unwanted_application
Link:
https://www.hybrid-analysis.com/sample/6fbd0154cf0a5604efe36e6c9007890f01fe6fae45593d132f3a0f79b2f0629d
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-22T07:22:00Z UTC
Last seen:
2026-01-22T10:39:00Z UTC
Hits:
~100
Detections:
Trojan.Win32.Agent.sb Trojan.Win32.PoolInject.sba Trojan.Win32.BypassUAC.sb Trojan.MSIL.BypassUAC.sb Trojan.DLLhijack.TCP.ServerRequest HEUR:Trojan.Win32.BypassUAC.gen
Link:
https://opentip.kaspersky.com/6fbd0154cf0a5604efe36e6c9007890f01fe6fae45593d132f3a0f79b2f0629d/results?tab=lookup
Result
Threat name:
KeyLogger
Create hunting rule
Detection:
malicious
Classification:
spre.spyw.expl.evad
Score:
90 / 100
Link:
https://www.joesandbox.com/analysis/1855611
Signature
Accesses sensitive object manager directories (likely to detect virtual machines)
Allocates memory in foreign processes
Benign windows process drops PE files
Bypasses PowerShell execution policy
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Creates a thread in another existing process (thread injection)
Detected unpacking (creates a PE file in dynamic memory)
Found driver which could be used to inject code into processes
Found evasive API chain checking for user administrative privileges
Found stalling execution ending in API Sleep call
Infects executable files (exe, dll, sys, html)
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Maps a DLL or memory area into another process
Modifies the DNS server
Monitors registry run keys for changes
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample is not signed and drops a device driver
Sigma detected: Execution from Suspicious Folder
Sigma detected: Rare Remote Thread Creation By Uncommon Source Image
Suricata IDS alerts for network traffic
Tries to access browser extension known for cryptocurrency wallets
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1855611 Sample: lets2026-asdhkj-64.exe Startdate: 22/01/2026 Architecture: WINDOWS Score: 90 109 www.wshifen.com 2->109 111 www.baidu.com 2->111 113 4 other IPs or domains 2->113 137 Suricata IDS alerts for network traffic 2->137 139 Multi AV Scanner detection for submitted file 2->139 141 Detected unpacking (creates a PE file in dynamic memory) 2->141 143 7 other signatures 2->143 9 lets2026-asdhkj-64.exe 23 40 2->9         started        12 regsvr32.exe 1 2->12         started        15 FyqKD.exe 1 2->15         started        17 3 other processes 2->17 signatures3 process4 file5 97 C:\Program Files97idpausion\...\bcQb5Iy9.exe, PE32+ 9->97 dropped 99 C:\Program Files99idpausion\...\SXmhx6.exe, PE32 9->99 dropped 101 C:\Users\user\...\nsis_tauri_utils.dll, PE32 9->101 dropped 105 4 other files (none is malicious) 9->105 dropped 19 SXmhx6.exe 10 303 9->19         started        23 bcQb5Iy9.exe 3 27 9->23         started        157 Found stalling execution ending in API Sleep call 12->157 159 Writes to foreign memory regions 12->159 161 Allocates memory in foreign processes 12->161 163 Creates a thread in another existing process (thread injection) 12->163 26 elevation_service.exe 1 12->26         started        28 cmd.exe 1 12->28         started        103 C:\Users\user\AppData\Local\...\vally3dka.sys, PE32+ 15->103 dropped 165 Sample is not signed and drops a device driver 15->165 167 Queues an APC in another process (thread injection) 15->167 169 Unusual module load detection (module proxying) 15->169 171 Found evasive API chain checking for user administrative privileges 15->171 173 Modifies the DNS server 17->173 30 drvinst.exe 17->30         started        32 drvinst.exe 17->32         started        signatures6 process7 dnsIp8 71 C:\Program Files (x86)\...\tap0901.sys, PE32+ 19->71 dropped 73 C:\...\AddWindowsSecurityExclusion.ps1, ASCII 19->73 dropped 81 223 other files (none is malicious) 19->81 dropped 145 Sample is not signed and drops a device driver 19->145 34 powershell.exe 19->34         started        37 tapinstall.exe 19->37         started        40 tapinstall.exe 19->40         started        115 www.wshifen.com 103.235.46.115, 49694, 80 BAIDUBeijingBaiduNetcomScienceandTechnologyCoLtd Hong Kong 23->115 117 127.0.0.1 unknown unknown 23->117 75 C:\Users\user\AppData\Local\...\vmservice.sys, PE32+ 23->75 dropped 77 C:\Users\user\AppData\Local\...\msproxy.sys, PE32+ 23->77 dropped 79 C:\Users\Public\Downloads\...\FyqKD.exe, PE32+ 23->79 dropped 83 8 other files (1 malicious) 23->83 dropped 147 Writes to foreign memory regions 23->147 149 Allocates memory in foreign processes 23->149 42 svchost.exe 1 23->42 injected 44 ClipUp.exe 1 23->44         started        46 cmd.exe 2 23->46         started        151 Maps a DLL or memory area into another process 26->151 153 Creates a thread in another existing process (thread injection) 26->153 48 ctfmon.exe 1 26->48 injected 51 tasklist.exe 1 28->51         started        53 18 other processes 28->53 85 2 other files (none is malicious) 30->85 dropped 155 Accesses sensitive object manager directories (likely to detect virtual machines) 30->155 87 2 other files (none is malicious) 32->87 dropped file9 signatures10 process11 dnsIp12 119 Loading BitLocker PowerShell Module 34->119 55 conhost.exe 34->55         started        57 conhost.exe 34->57         started        89 C:\Users\user\AppData\...\tap0901.sys (copy), PE32+ 37->89 dropped 91 C:\Users\user\AppData\Local\...\SET876.tmp, PE32+ 37->91 dropped 59 conhost.exe 37->59         started        61 conhost.exe 40->61         started        93 C:\Windows\Temp\vafdska.sys, PE32+ 42->93 dropped 121 Benign windows process drops PE files 42->121 123 Sample is not signed and drops a device driver 42->123 125 Unusual module load detection (module proxying) 42->125 63 dllhost.exe 42->63         started        65 dllhost.exe 42->65         started        95 C:\ProgramData\Microsoft\...\MsMpEng.exe, Unicode 44->95 dropped 127 Infects executable files (exe, dll, sys, html) 44->127 67 conhost.exe 44->67         started        69 conhost.exe 46->69         started        107 143.92.63.138, 49695, 49717, 49732 BCPL-SGBGPNETGlobalASNSG Singapore 48->107 129 Contains functionality to inject threads in other processes 48->129 131 Contains functionality to capture and log keystrokes 48->131 133 Contains functionality to inject code into remote processes 48->133 135 5 other signatures 48->135 file13 signatures14 process15
Score:
28%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/6fbd0154cf0a5604efe36e6c9007890f01fe6fae45593d132f3a0f79b2f0629d
Gathering data
Verdict:
Malicious
Threat:
Trojan.Win32.Agent
Link:
https://tip.neiki.dev/file/6fbd0154cf0a5604efe36e6c9007890f01fe6fae45593d132f3a0f79b2f0629d
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-01-21 23:48:43 UTC
File Type:
PE (Exe)
Extracted files:
844
AV detection:
11 of 38 (28.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=n66qcvgpbjlaj37dnzwjab4jb4a7435oivmt2ezphihxtmxqmkoq._file
Verdict:
malicious
Label(s):
roningloader
Create hunting rule
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d378fabc30fb2defa95124ca6220497dcdc0f95253afaf0f209810ba68db64a5
RustyStealer
error
RustyStealer
+ 31 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
defense_evasion discovery execution persistence privilege_escalation spyware trojan
Link:
https://tria.ge/reports/260122-lyjz6scv6d/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Delays execution with timeout.exe
Gathers network information
Modifies data under HKEY_USERS
Modifies registry class
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Enumerates processes with tasklist
Adds Run key to start application
Checks installed software on the system
Network Service Discovery
Executes dropped EXE
Loads dropped DLL
Unexpected DNS network traffic destination
Drops file in Drivers directory
Modifies Windows Firewall
Suspicious use of NtCreateUserProcessOtherParentProcess
Malware family:
Terminator.Spyboy
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6fbd0154cf0a/report/overview.html
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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:EDR_Killer_EDR_Freeze_Tool
Create hunting rule
Author:Valton Tahiri (cybee.ai)
Description:Detects EDR-Freeze tool in memory - EDR/AV freezing malware
Reference:https://www.linkedin.com/in/valton-tahiri/
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:ProgramLanguage_Rust
Create hunting rule
Author:albertzsigovits
Description:Application written in Rust programming language
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Rustyloader_mem_loose
Create hunting rule
Author:James_inthe_box
Description:Corroded buerloader
Reference:https://app.any.run/tasks/83064edd-c7eb-4558-85e8-621db72b2a24
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Suspicious_Process
Create hunting rule
Author:Security Research Team
Description:Suspicious process creation
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_Generic_MassHunt_Win_Malware_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Windows malware mass-hunt rule - 2025
Reference:https://cyfare.net/
Rule name:Windows_Trojan_RoningLoader_a4e851ac
Create hunting rule
Author:Elastic Security

File information

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

Comments