MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66429a8af8b90619fcd4aa7e75b2a0e3da6ddaf3792b95c92abc73dab1227962. 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: 14


Intelligence 14 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 66429a8af8b90619fcd4aa7e75b2a0e3da6ddaf3792b95c92abc73dab1227962
SHA3-384 hash: 3de2edee396ea93cb133cf6d1e2038808c8ba38a261782454d5674b36073f4d981e072ffd5eb6c3714d5a12d51bbed16
SHA1 hash: 24a5c35fe9b5ee2a689e8379979ea5c1dc70cff9
MD5 hash: 6494943a1e369b061828f70c126eacae
humanhash: jig-leopard-mockingbird-quiet
File name:SecuriteInfo.com.Win32.MalwareX-gen.22736.870
Download: download sample
Signature RustyStealer
Create hunting rule
File size:4'256'768 bytes
First seen:2025-04-20 09:24:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 34f7e7ec5e8f68b6e7bd1d2bdf74e71a (1 x RustyStealer)
ssdeep 98304:OXHVbXXhM7St13IyfZFQC2ItJGvce+EAIUknu:O9XXFIysC2ItJGvaTk
TLSH T156162280BB4699FAD88A10B55C3EB736BE2B1C455712CCD787847CF04935AE1E93B1AC
TrID 32.2% (.EXE) Win64 Executable (generic) (10522/11/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4504/4/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon 70e4868e8ee6f870 (3 x RustyStealer, 1 x AsyncRAT, 1 x SVCStealer)
Reporter SecuriteInfoCom
Tags:exe RustyStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
363
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.MalwareX-gen.22736.870
Verdict:
Malicious activity
Analysis date:
2025-04-20 10:09:37 UTC
Tags:
rust loader smokeloader
Link:
https://app.any.run/tasks/22794d21-feed-479f-9d9a-cad4e9e68c81

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/3084/
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.22736.870.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6804bd7d280f5f89a0d25636
Tags:
shellcode kryptik virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Connection attempt
Sending an HTTP POST request
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm entropy expand lolbin microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/6804bd7990767142c3dc4e4b/reports/07bf850e-46d8-4316-9b1d-d8857e51169f/overview
Verdict:
Malicious
Labled as:
Trojan[Exploit]/Win64.ShellCode
Link:
https://www.hybrid-analysis.com/sample/66429a8af8b90619fcd4aa7e75b2a0e3da6ddaf3792b95c92abc73dab1227962
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/95209d5d-b835-4926-b87b-a653743e38d6
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1669651
Signature
Antivirus detection for URL or domain
Benign windows process drops PE files
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Found API chain indicative of debugger detection
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1669651 Sample: SecuriteInfo.com.Win32.Malw... Startdate: 20/04/2025 Architecture: WINDOWS Score: 100 26 e-bonds.ru 2->26 28 dasdasdasdas.online 2->28 34 Suricata IDS alerts for network traffic 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 2 other signatures 2->40 8 SecuriteInfo.com.Win32.MalwareX-gen.22736.870.exe 2->8         started        11 tdhgure 2->11         started        signatures3 process4 signatures5 42 Found API chain indicative of debugger detection 8->42 44 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->44 46 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 8->46 50 4 other signatures 8->50 13 explorer.exe 28 2 8->13 injected 18 MpCmdRun.exe 2 8->18         started        48 Multi AV Scanner detection for dropped file 11->48 20 WerFault.exe 21 11->20         started        process6 dnsIp7 30 e-bonds.ru 77.105.164.89, 49691, 49695, 49696 ICOMF-ASRU Russian Federation 13->30 32 204.79.197.203, 443 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 13->32 24 C:\Users\user\AppData\Roaming\tdhgure, PE32 13->24 dropped 52 System process connects to network (likely due to code injection or exploit) 13->52 54 Benign windows process drops PE files 13->54 56 Deletes itself after installation 13->56 22 conhost.exe 18->22         started        file8 signatures9 process10
Score:
96%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/66429a8af8b90619fcd4aa7e75b2a0e3da6ddaf3792b95c92abc73dab1227962
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/66429a8af8b90619fcd4aa7e75b2a0e3da6ddaf3792b95c92abc73dab1227962/
Threat name:
Win32.Infostealer.Tinba
Create hunting rule
Status:
Malicious
First seen:
2025-04-19 03:52:22 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mzbjvcxyxedbt7guvj7hlmva4png3wxtpevzlsjkxrz5vmjcpfra._file
Verdict:
malicious
Label(s):
smartloader
Create hunting rule
Similar samples:
error
RustyStealer
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Link:
https://tria.ge/reports/250420-ldpd6az1by/
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Program crash
System Location Discovery: System Language Discovery
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ee75988e-acd0-49e4-b116-7f9bc217afa8
Unpacked files
SH256 hash:
66429a8af8b90619fcd4aa7e75b2a0e3da6ddaf3792b95c92abc73dab1227962
MD5 hash:
6494943a1e369b061828f70c126eacae
SHA1 hash:
24a5c35fe9b5ee2a689e8379979ea5c1dc70cff9
Link:
https://www.unpac.me/results/ded24124-1466-422b-b167-c61e70acb879/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/66429a8af8b9/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/66429a8af8b90619fcd4aa7e75b2a0e3da6ddaf3792b95c92abc73dab1227962

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:DebuggerCheck__API
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:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Web download

RustyStealer

Executable exe 66429a8af8b90619fcd4aa7e75b2a0e3da6ddaf3792b95c92abc73dab1227962

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/3084/
  
URLhaus
https://urlhaus.abuse.ch/url/3519139/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3519209/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::TerminateProcess
kernel32.dll::LoadLibraryExA
kernel32.dll::LoadLibraryA
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::WriteConsoleW
kernel32.dll::GetConsoleOutputCP
kernel32.dll::GetConsoleMode

Comments