MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 812d2d8436985fc8531315970b2af6bcdd697f9033bc12841ce467e6fda94408. 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: 16


Intelligence 16 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 812d2d8436985fc8531315970b2af6bcdd697f9033bc12841ce467e6fda94408
SHA3-384 hash: aea005b1053ad1a6929252ce7e2daf748f7c3f9fa93381b60622ca359278ca3e7bbfb96fa7600b3dd3c7ed0e7a74e98b
SHA1 hash: ba88ed97c2cdc2397b2c3eedd7b33c922adf3cfd
MD5 hash: c9e1f8b2d3e61bbda7d514a38f668c72
humanhash: eighteen-oven-fanta-idaho
File name:812d2d8436985fc8531315970b2af6bcdd697f9033bc12841ce467e6fda94408.exe
Download: download sample
Signature RustyStealer
Create hunting rule
File size:774'656 bytes
First seen:2026-03-20 07:50:24 UTC
Last seen:2026-03-20 08:44:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 032e2315c299adfc48c19ddbfb305f58 (1 x RustyStealer)
ssdeep 12288:eSHgWvLrHUVFGN6pe0tDb0/PGkvKEI87lHshIK2KZSwbh+04t+NAD9IwPCDJVyKr:eug6UVFGT0tDbevdlHshITKZ3V+0Q5PN
Threatray 234 similar samples on MalwareBazaar
TLSH T14AF4122FB64DA0BED61AC074D3054563AA79B0DB1B32A9FF03E455342E6E5E52E3CB10
TrID 33.1% (.EXE) Win64 Executable (generic) (6522/11/2)
25.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
10.4% (.ICL) Windows Icons Library (generic) (2059/9)
10.3% (.EXE) OS/2 Executable (generic) (2029/13)
10.1% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter abuse_ch
Tags:exe RustyStealer

Intelligence

File Origin
# of uploads :
3
# of downloads :
123
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
812d2d8436985fc8531315970b2af6bcdd697f9033bc12841ce467e6fda94408.exe
Verdict:
Malicious activity
Analysis date:
2026-03-19 18:59:02 UTC
Tags:
auto-reg donutloader loader stealer netreactor purehvnc rust
Link:
https://app.any.run/tasks/70aa6014-87ec-4720-bea9-78df0387e98b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Detection(s):
SecuriteInfo.com.Win64.MalwareX-gen.52633419.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69bc477593b644ca466bc54f
Tags:
dropper remo sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Connection attempt
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Creating a window
Сreating synchronization primitives
Launching a process
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm explorer lolbin packed rust unsafe
Link:
https://www.filescan.io/uploads/69bcfc71493cb7d62d087f57/reports/a21055e2-4ca1-48dc-9b61-4aed0bddcdcb/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/812d2d8436985fc8531315970b2af6bcdd697f9033bc12841ce467e6fda94408
Verdict:
Malicious
File Type:
exe x64
Detections:
Trojan.Win32.Shellcode.sb Trojan.MSIL.Dnoper.sb PDM:Trojan.Win32.Generic HEUR:Trojan-PSW.MSIL.Stealer.gen HEUR:Trojan.MSIL.Agent.gen Trojan-PSW.Win32.Stealer.sb Trojan-PSW.Win32.Coins.sb Trojan.Win64.Agentb.sb VHO:Trojan.Win32.Shellcode.nup Backdoor.MSIL.Agent.sb Trojan.Win32.Shellcode.nup
Link:
https://opentip.kaspersky.com/812d2d8436985fc8531315970b2af6bcdd697f9033bc12841ce467e6fda94408/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/403376ae-6e9e-4b29-8ed3-29a9968e2ba3
Result
Threat name:
DonutLoader, ResolverRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1886746
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Connects to many ports of the same IP (likely port scanning)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Creates a thread in another existing process (thread injection)
Creates multiple autostart registry keys
Encrypted powershell cmdline option found
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Sigma detected: UAC Bypass via ICMLuaUtil
Suricata IDS alerts for network traffic
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Unusual module load detection (module proxying)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected DonutLoader
Yara detected ResolverRAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1886746 Sample: peVOhN5X0v.exe Startdate: 20/03/2026 Architecture: WINDOWS Score: 100 63 Suricata IDS alerts for network traffic 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 Antivirus detection for dropped file 2->67 69 10 other signatures 2->69 9 peVOhN5X0v.exe 4 6 2->9         started        14 hkaih.exe 3 2->14         started        16 lshkh.exe 3 2->16         started        18 5 other processes 2->18 process3 dnsIp4 59 91.84.118.179, 49693, 49695, 49696 ECLIPSEGB United Kingdom 9->59 45 C:\Users\user\AppData\Roaming\CE482011.exe, PE32+ 9->45 dropped 47 C:\Users\user\AppData\Local\...\maxproxi.exe, PE32+ 9->47 dropped 49 C:\Users\user\AppData\...\dPXTCtpKxQsA.bat, DOS 9->49 dropped 77 Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines) 9->77 79 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 9->79 81 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 9->81 91 5 other signatures 9->91 20 cmd.exe 9->20         started        23 dllhost.exe 9->23         started        25 powershell.exe 37 9->25         started        83 Multi AV Scanner detection for dropped file 14->83 85 Found many strings related to Crypto-Wallets (likely being stolen) 14->85 87 Unusual module load detection (module proxying) 14->87 89 Creates multiple autostart registry keys 16->89 51 C:\Users\user\AppData\Roaming\tmkxh.exe, PE32+ 18->51 dropped 53 C:\Users\user\AppData\Roaming\rcszi.exe, PE32+ 18->53 dropped 55 C:\Users\user\AppData\Roaming\lshkh.exe, PE32+ 18->55 dropped 57 2 other malicious files 18->57 dropped file5 signatures6 process7 signatures8 71 Uses ping.exe to sleep 20->71 73 Uses ping.exe to check the status of other devices and networks 20->73 27 CE482011.exe 20->27         started        30 conhost.exe 20->30         started        32 chcp.com 20->32         started        34 PING.EXE 20->34         started        36 rcszi.exe 23->36         started        75 Loading BitLocker PowerShell Module 25->75 38 conhost.exe 25->38         started        process9 signatures10 93 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 27->93 95 Tries to steal Mail credentials (via file / registry access) 27->95 97 Tries to harvest and steal browser information (history, passwords, etc) 27->97 103 4 other signatures 27->103 40 chrome.exe 27->40         started        99 Creates multiple autostart registry keys 36->99 101 Unusual module load detection (module proxying) 36->101 process11 process12 42 chrome.exe 40->42         started        dnsIp13 61 www.google.com 142.251.154.119, 443, 49703, 49704 GOOGLEUS United States 42->61
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/812d2d8436985fc8531315970b2af6bcdd697f9033bc12841ce467e6fda94408
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/812d2d8436985fc8531315970b2af6bcdd697f9033bc12841ce467e6fda94408/
Verdict:
Malicious
Threat:
Family.DONUTLOADER
Link:
https://tip.neiki.dev/file/812d2d8436985fc8531315970b2af6bcdd697f9033bc12841ce467e6fda94408
Threat name:
Win64.Spyware.Rustystealer
Create hunting rule
Status:
Malicious
First seen:
2026-03-19 18:59:22 UTC
File Type:
PE+ (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qews3bbwtbp4quytcwlqwkxwxtows74qgo6bfba44rt6n7njiqea._file
Verdict:
malicious
Label(s):
donutloader
Create hunting rule
Similar samples:
461fc7b0a23fe2a9100720c6d5712987f07e208a84c479ce60093bb7ba135921
RustyStealer
a3fc74d3fd484bc6bc76e36306f375c8f8d8374a70165e18ff46d6753d6c9791
RustyStealer
db1abdb2326eb2fd6153ba84f27b20d3ee1ca53a64df1776b3c820aef340de61
RustyStealer
error
RustyStealer
+ 224 additional samples on MalwareBazaar
Result
Malware family:
donutloader
Create hunting rule
Score:
  10/10
Tags:
family:donutloader collection discovery execution loader persistence spyware stealer
Link:
https://tria.ge/reports/260320-jpx5bsct6n/
Behaviour
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
System Network Configuration Discovery: Internet Connection Discovery
System Time Discovery
Drops file in Windows directory
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Detects DonutLoader
DonutLoader
Donutloader family
Unpacked files
SH256 hash:
812d2d8436985fc8531315970b2af6bcdd697f9033bc12841ce467e6fda94408
MD5 hash:
c9e1f8b2d3e61bbda7d514a38f668c72
SHA1 hash:
ba88ed97c2cdc2397b2c3eedd7b33c922adf3cfd
Link:
https://www.unpac.me/results/49ec6bb9-7537-4c50-91f8-06f3a0ebbc78/
Malware family:
DonutLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/812d2d843698/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/812d2d8436985fc8531315970b2af6bcdd697f9033bc12841ce467e6fda94408

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:Check_Debugger
Create hunting rule
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:ProgramLanguage_Rust
Create hunting rule
Author:albertzsigovits
Description:Application written in Rust programming language
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:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/58294/

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