MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 664f8e49f45b3fda22f2deb4a164e9dd0737cd8ec65aef928526b86424bb3726. 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: 8


Intelligence 8 IOCs YARA 15 File information Comments

SHA256 hash: 664f8e49f45b3fda22f2deb4a164e9dd0737cd8ec65aef928526b86424bb3726
SHA3-384 hash: e18c23dbf29e667ee3818a639e06fcab221fd578f9a68b870cbd2c4031fe8209f9c9a908470a787959cdc99d1da3b98a
SHA1 hash: 2794280875a99f47ddcf347f3eaa5f57ecc30058
MD5 hash: 757b7e2991187e4644f8092801547730
humanhash: one-football-montana-washington
File name:file
Download: download sample
Signature RustyStealer
File size:5'792'256 bytes
First seen:2026-08-13 09:59:56 UTC
Last seen:2026-08-13 20:37:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1917ac6ba2349e56f7e62835c3459564 (1 x RustyStealer)
ssdeep 98304:LJoAE23/rqTkwCx4Obd1IEkPxxp0wpviMiF:SAZ/2TQ6H5
TLSH T146464B16BA6B94ACD05AC474C3468A239E2170DF1B36BAFF418485383F6ABF15B3D714
TrID 41.0% (.EXE) InstallShield setup (43053/19/16)
29.7% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.2% (.EXE) Win64 Executable (generic) (6522/11/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter Bitsight
Tags:54e64e dropped-by-amadey exe RustyStealer


Avatar
Bitsight
url: http://91.92.242.236/files-129312398/files/file_ae96d08e0e89cde9.exe

Intelligence


File Origin
# of uploads :
5
# of downloads :
126
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-08-13 10:09:51 UTC
Tags:
auto-reg websocket rust

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Moving a recently created file
Launching a process
Creating a process from a recently created file
Сreating synchronization primitives
Deleting a recently created file
Connection attempt
Sending a custom TCP request
Replacing files
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug crypto fingerprint keylogger reconnaissance rust
Verdict:
Malicious
Labled as:
Capa_check_for_sandbox_and_av_modules
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion persistence
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Hide Artifacts: Ignore Process Interrupts
Adds Run key to start application
Executes dropped EXE
Unpacked files
SH256 hash:
664f8e49f45b3fda22f2deb4a164e9dd0737cd8ec65aef928526b86424bb3726
MD5 hash:
757b7e2991187e4644f8092801547730
SHA1 hash:
2794280875a99f47ddcf347f3eaa5f57ecc30058
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:Check_OutputDebugStringA_iat
Rule name:ClearWater_Ransomware
Author:Arrbat
Description:Detects ClearWater ransomware using a mix of family-specific names, 7-Zip SFX metadata, and anti-recovery indicators
Rule name:command_and_control
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Rule name:ProgramLanguage_Rust
Author:albertzsigovits
Description:Application written in Rust programming language
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:Rustyloader_mem_loose
Author:James_inthe_box
Description:Corroded buerloader
Reference:https://app.any.run/tasks/83064edd-c7eb-4558-85e8-621db72b2a24
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants

File information


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

Web download

RustyStealer

Executable exe 664f8e49f45b3fda22f2deb4a164e9dd0737cd8ec65aef928526b86424bb3726

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download

Comments