MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3d363a20a952114c7bd36c07df650331da1afcc01a41c86baed1b06dcca04f7d. 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 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3d363a20a952114c7bd36c07df650331da1afcc01a41c86baed1b06dcca04f7d
SHA3-384 hash: 1587a464afa415c2d30bea3d7dcd820455d54e0373457fabc385d6c5b0eebd47b9dea3b68ddcf29ba95f264adf55bd4a
SHA1 hash: 0b5c3cd0dbb552bf741c56b0bff3454d3aad8d4e
MD5 hash: 137eebd45a9ba6d0fb5c3032e5bf8c4f
humanhash: quiet-football-alpha-yankee
File name:2026年第一季度违法乱纪人员信息pdf.exe
Download: download sample
Signature RustyStealer
Create hunting rule
File size:459'264 bytes
First seen:2026-04-29 00:20:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 187d06fcb051f46053b6d25c72db12ef (4 x RustyStealer)
ssdeep 6144:Q1098PEadsn96YfkTYNmnG2AWqHqbsKOhExANd2kQYbzFU8B6myBBW:K6TgsnQYIt96HqbsJC+NY6pV6m+
TLSH T181A47C07BA9990BCD559C07883569633B636B88A0330BAFF03E49A303E55FE56B3D715
TrID 56.8% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
22.4% (.EXE) Win64 Executable (generic) (6522/11/2)
6.9% (.EXE) OS/2 Executable (generic) (2029/13)
6.8% (.EXE) Generic Win/DOS Executable (2002/3)
6.8% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
dhash icon 0c9ca28882828280 (1 x RustyStealer)
Reporter Ling
Tags:exe RustyStealer SilverFox Trojan/SilverFox.bg[qtsc] ValleyRAT


Avatar
CNGaoLing
Trojan/SilverFox.bg[qtsc]
IOC (Domain hhskkmmtyust.cn) (IP 18.162.186.253)

Intelligence

File Origin
# of uploads :
1
# of downloads :
152
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
2026pdf.exe
Verdict:
No threats detected
Analysis date:
2026-04-29 00:18:51 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/252d6d17-5ef4-460f-ae57-0e7b957c6922

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/63944/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Restart of the analyzed sample
DNS request
Running batch commands
Connection attempt
Sending an HTTP GET request
Creating a file in the system32 subdirectories
Launching a process
Creating a file in the Program Files subdirectories
Creating a process with a hidden window
Searching for synchronization primitives
Creating a window
Сreating synchronization primitives
Unauthorized injection to a system process
Enabling autorun by creating a file
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/3d363a20a952114c7bd36c07df650331da1afcc01a41c86baed1b06dcca04f7d
Result
Gathering data
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-04-28T20:23:00Z UTC
Last seen:
2026-04-28T21:00:00Z UTC
Hits:
~10
Detections:
Trojan.Win32.SelfDel.jauc Trojan.Win32.RokRat.sb Trojan-Downloader.Agent.HTTP.C&C PDM:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/3d363a20a952114c7bd36c07df650331da1afcc01a41c86baed1b06dcca04f7d/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/bb73e797-ea2a-4916-967c-6b786034c097
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3d363a20a952114c7bd36c07df650331da1afcc01a41c86baed1b06dcca04f7d
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3d363a20a952114c7bd36c07df650331da1afcc01a41c86baed1b06dcca04f7d/
Verdict:
Malicious
Threat:
Trojan.Win32.RokRat
Link:
https://tip.neiki.dev/file/3d363a20a952114c7bd36c07df650331da1afcc01a41c86baed1b06dcca04f7d
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hu3duifjkiiuy66tnqd56zidghnbv7gadja4q25o2gyg3tfaj56q._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
defense_evasion
Link:
https://tria.ge/reports/260429-am5lysaz8r/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
3d363a20a952114c7bd36c07df650331da1afcc01a41c86baed1b06dcca04f7d
MD5 hash:
137eebd45a9ba6d0fb5c3032e5bf8c4f
SHA1 hash:
0b5c3cd0dbb552bf741c56b0bff3454d3aad8d4e
Link:
https://www.unpac.me/results/9b70943f-94d7-49a7-9191-b0fb8b288a8a/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3d363a20a952/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/3d363a20a952114c7bd36c07df650331da1afcc01a41c86baed1b06dcca04f7d

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Create hunting rule
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:DebuggerCheck__QueryInfo
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:ProgramLanguage_Rust
Create hunting rule
Author:albertzsigovits
Description:Application written in Rust programming language
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
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:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

File information

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

Web download

RustyStealer

Executable exe 3d363a20a952114c7bd36c07df650331da1afcc01a41c86baed1b06dcca04f7d

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/63944/

Comments