MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ffb231b8bdf8f56bc6d2e378ac0c37bad91cabded0d95a732855651e936e12c. 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: 12


Intelligence 12 IOCs YARA 31 File information Comments

SHA256 hash: 3ffb231b8bdf8f56bc6d2e378ac0c37bad91cabded0d95a732855651e936e12c
SHA3-384 hash: af555e6f8c00d95acd36f488991c1419b7c1a8e8bbbbbe5905a8b2b190e4d50f3d1c9dd4d45432afd641ae8a75a09ff9
SHA1 hash: d667abbdb29226439ecd6d3534d5c542aee167f2
MD5 hash: 831fe85e5e12493e8fbb6728944190b9
humanhash: kilo-edward-network-ohio
File name:3ffb231b8bdf8f56bc6d2e378ac0c37bad91cabded0d95a732855651e936e12c
Download: download sample
Signature RustyStealer
File size:4'247'040 bytes
First seen:2026-06-26 13:05:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 49152:s+eFIHlV9Bm51YpKX5sjTdcUlwRfQU1ogsLkqTUhs6UD9MKup5u1ytZ3UvIf:sTIHrIsdhIfQqoKX15uyzUvE
TLSH T187167D47F6F543E9E45EC139C71A9223EBF2B88D2621769B1794CB612F13B601B9E304
TrID 60.0% (.EXE) UPX compressed Win64 Executable (70117/5/12)
23.1% (.EXE) UPX compressed Win32 Executable (27066/9/6)
5.5% (.EXE) Win64 Executable (generic) (6522/11/2)
4.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.7% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter Threatray
Tags:exe KuinaExtractor RustyStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
131
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
No threats detected
Analysis date:
2026-06-26 14:04:20 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
infosteal vmdetect
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm anti-vm evasive expand fingerprint lolbin microsoft_visual_cc netsh packed packed upx
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-05-15T07:05:00Z UTC
Last seen:
2026-05-16T22:38:00Z UTC
Hits:
~10
Gathering data
Threat name:
Win64.Trojan.Ravartar
Status:
Malicious
First seen:
2026-05-15 12:01:15 UTC
File Type:
PE+ (Exe)
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
kuinaextractor
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Unpacked files
SH256 hash:
3ffb231b8bdf8f56bc6d2e378ac0c37bad91cabded0d95a732855651e936e12c
MD5 hash:
831fe85e5e12493e8fbb6728944190b9
SHA1 hash:
d667abbdb29226439ecd6d3534d5c542aee167f2
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_Qemu_Description
Rule name:Check_VBox_Description
Rule name:Check_VBox_Guest_Additions
Rule name:Check_VmTools
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:DebuggerCheck__QueryInfo
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_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:grakate_stealer_nov_2021
Rule name:has_telegram_urls
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_VM_Evasion_MACAddrComb
Author:ditekSHen
Description:Detects executables referencing virtualization MAC addresses
Rule name:INDICATOR_SUSPICIOUS_VM_Evasion_VirtDrvComb
Author:ditekSHen
Description:Detects executables referencing combination of virtualization drivers
Rule name:LucaStealer
Author:Chat3ux
Description:Lucasstealer
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:Rustyloader_mem
Author:James_inthe_box
Description:Corroded buerloader
Reference:https://app.any.run/tasks/83064edd-c7eb-4558-85e8-621db72b2a24
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:Sus_All_Windows_PE_Malware
Author:DiegoAnalytics
Description:Detects Windows PE malware of all types, avoids non-executables like .html
Rule name:telebot_framework
Author:vietdx.mb
Rule name:test_rule_vldslv
Rule name:upx_largefile
Author:k3nr9
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Comments