MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c459fdd1f0a39b4de680a45f20a822b204ca897437b4aff99f088f0067a11327. 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: 4


Intelligence 4 IOCs YARA 32 File information Comments

SHA256 hash: c459fdd1f0a39b4de680a45f20a822b204ca897437b4aff99f088f0067a11327
SHA3-384 hash: 551211fc725101fea57d221d8171f32a1fa3dcd5d3857c88a4f3e90fa722d47d5aeddd5fd7d8eb8944555a22376516a0
SHA1 hash: 6fd020314552b3b7b161e9d92baeb31de6492d35
MD5 hash: c675bb64f1d89f4a1c2ccc5818bba942
humanhash: don-maryland-undress-vegan
File name:c459fdd1f0a39b4de680a45f20a822b204ca897437b4aff99f088f0067a11327
Download: download sample
Signature RustyStealer
File size:34'139'600 bytes
First seen:2026-07-14 10:50:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 35af1cf41c4ae8e6d1e268db1225d14b (1 x RustyStealer)
ssdeep 393216:tnuYyVxHhf1GC6+uzT357NV4PDENcHkSBDha0Kx:tnuYyVxHhf1GC6zzl7j4PDecHhRS
TLSH T1AB7718217B9A996CD09AC4B483474A725E3170DA0B35BAFF448492393F7DAF46F38358
TrID 70.9% (.EXE) InstallShield setup (43053/19/16)
10.7% (.EXE) Win64 Executable (generic) (6522/11/2)
8.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
3.3% (.EXE) OS/2 Executable (generic) (2029/13)
3.3% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
dhash icon f0ccaabacbcb84f0 (1 x RustyStealer)
Reporter JAMESWT_WT
Tags:exe RustyStealer signed

Code Signing Certificate

Organisation:杭州思维宇宙科技有限公司
Issuer:Certum Extended Validation Code Signing 2021 CA
Algorithm:sha256WithRSAEncryption
Valid from:2026-03-03T07:50:57Z
Valid to:2027-03-03T07:50:56Z
Serial number: 04ff695828a8ed5c859714dc9f20d6d3
Intelligence: 5 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 98405c5653a8a2db71f6df570ff7ef9ee99a60e3f209b6ea9cb39179bdc89f87
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
165
Origin country :
IT IT
Vendor Threat Intelligence
No detections
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %AppData% subdirectories
Deleting a recently created file
Replacing files
Launching a service
Verdict:
Clean
File Type:
exe x64
First seen:
2026-04-25T21:57:00Z UTC
Last seen:
2026-04-30T23:59:00Z UTC
Hits:
~10
Gathering data
Result
Malware family:
n/a
Score:
  6/10
Tags:
defense_evasion discovery ransomware trojan
Behaviour
Checks SCSI registry key(s)
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Checks whether UAC is enabled
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Executes dropped EXE
Checks computer location settings
Badlisted process makes network request
Enumerates connected drives
Network Share Discovery
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:certum_issuer
Author:Certum
Description:Looks for files signed with certificate issued by Certum
Rule name:Check_OutputDebugStringA_iat
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:dependsonpythonailib
Author:Tim Brown
Description:Hunts for dependencies on Python AI libraries
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:detect_certum_issuer
Author:Certum
Description:Looks for files signed with certificate issued by Certum
Rule name:detect_powershell
Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:LLM_API_Gemini
Author:llm-api-abuse-pilot
Description:References Google Gemini API (PROMPTFLUX / HONESTCUE-style)
Rule name:LLM_API_OpenAI
Author:llm-api-abuse-pilot
Description:References OpenAI API endpoints or key material
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_detect_tls_callbacks
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:ProgramLanguage_Rust
Author:albertzsigovits
Description:Application written in Rust programming language
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:reverse_http
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
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
Rule name:Suspicious_Process
Author:Security Research Team
Description:Suspicious process creation
Rule name:Sus_All_Windows_PE_Malware
Author:DiegoAnalytics
Description:Detects Windows PE malware of all types, avoids non-executables like .html
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:telebot_framework
Author:vietdx.mb
Rule name:test_Malaysia
Author:rectifyq
Description:Detects file containing malaysia string
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
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:upxHook
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/

File information


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

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