MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90d6c9046a654b22e8e6ece8b58bc76bc44bc37a4c7cc66b28f7ecad59859cb6. 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: 9


Intelligence 9 IOCs YARA 19 File information Comments

SHA256 hash: 90d6c9046a654b22e8e6ece8b58bc76bc44bc37a4c7cc66b28f7ecad59859cb6
SHA3-384 hash: 7c2b8d17ec15eb64854e4b91845b71234e246cb71d6ef09e1ba4933591f5d25cd79d3232ebd259ec08d325be05e0965e
SHA1 hash: 9edcefd7fd5261f60dce0fe67b9ecd2d8b149ec3
MD5 hash: b9d754052c2d61f50112e3f4ca0851ac
humanhash: victor-neptune-papa-item
File name:点击设置中文语言.exe
Download: download sample
Signature RustyStealer
File size:4'312'984 bytes
First seen:2026-08-20 08:41:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0661385562148092cd3d86b515138d07 (1 x RustyStealer)
ssdeep 49152:fBabNiB+w61m4GphXJeFFAC4PgdZ/iGyS0J6ppFlXYbVrUKBOVLcGXnZIwHGwsIz:SZOhZ0Aa+0VI1GJ+SayMOixn+nEPLpIB
TLSH T1E4168D02BAAB94FCD16AC874C34646735F2174CB0B22B9FF41D496393E6AAE01B3D715
TrID 37.0% (.EXE) Win64 Executable (generic) (6522/11/2)
28.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
11.5% (.EXE) OS/2 Executable (generic) (2029/13)
11.3% (.EXE) Generic Win/DOS Executable (2002/3)
11.3% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
dhash icon f8e6e2eeea6478b9 (1 x RustyStealer)
Reporter Ling
Tags:Async AsyncRAT exe RAT RustyStealer signed

Code Signing Certificate

Organisation:南京艮衡钧润科技有限公司
Issuer:Certum Extended Validation Code Signing 2021 CA
Algorithm:sha256WithRSAEncryption
Valid from:2026-05-19T08:25:01Z
Valid to:2027-05-19T08:25:00Z
Serial number: 497bd0833e4fac9607281612bb467077
Cert Graveyard Blocklist:This certificate is on the Cert Graveyard blocklist
Thumbprint Algorithm:SHA256
Thumbprint: 1a2c570d815a656cc53b3768bd6f7837978c9859b704c1b3b168c85b47488808
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
CNGaoLing
AsyncRAT
IOC (IP 167.253.157.132:443)

Intelligence


File Origin
# of uploads :
1
# of downloads :
193
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
点击设置中文语言.exe
Verdict:
Suspicious activity
Analysis date:
2026-08-20 05:31:58 UTC
Tags:
rust

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

Behaviour
Creating a file in the %temp% directory
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context anti-debug crypto keylogger packed reconnaissance rust signed xor-url xor-url
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2026-08-20 08:51:23 UTC
File Type:
PE+ (Exe)
Extracted files:
2
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence
Behaviour
Executes dropped EXE
Adds Run key to start application
Unpacked files
SH256 hash:
90d6c9046a654b22e8e6ece8b58bc76bc44bc37a4c7cc66b28f7ecad59859cb6
MD5 hash:
b9d754052c2d61f50112e3f4ca0851ac
SHA1 hash:
9edcefd7fd5261f60dce0fe67b9ecd2d8b149ec3
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:CMD_Ping_Localhost
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
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: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:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Sus_All_Windows_PE_Malware
Author:DiegoAnalytics
Description:Detects Windows PE malware of all types, avoids non-executables like .html
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.

Web download

RustyStealer

Executable exe 90d6c9046a654b22e8e6ece8b58bc76bc44bc37a4c7cc66b28f7ecad59859cb6

(this sample)

  
Delivery method
Distributed via web download

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