MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3574f6784185a5f56b52714aeb883cdc42527d8aa4ffcbbfc218210ce8d7c43. 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


ValleyRAT


Vendor detections: 8


Intelligence 8 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3574f6784185a5f56b52714aeb883cdc42527d8aa4ffcbbfc218210ce8d7c43
SHA3-384 hash: 26f3f9a7d67eb21df9794af492f019df6934ffe85cfbe4f184a06023f9c69d2e3600d06e28f599644cffa75c9e6904ed
SHA1 hash: 618b2dabe5de46ace4f88ae86efd280ca53bf1f0
MD5 hash: 5e1fae98ae8ccd1486c6a1e0a9f9fa9c
humanhash: golf-mexico-romeo-diet
File name:2026年--第三季度违规违纪人员信息pdf_20260817103612.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:1'072'640 bytes
First seen:2026-08-20 12:54:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 469361a5fad2d60bb039e6dc7d92c42f (1 x ValleyRAT)
ssdeep 12288:uvIYpnXTNyzcOs9mSxqj8u+hxTyLl6vWlNrrFlhuPFV9r:ugYpnXTIzczfqgthBFqPF3uPX9r
TLSH T1D9357C1AD77551E8D53BC23C89B25622F9727C0D9330A6DB479987A51F23BE0AB3E310
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 e080989cc436b800 (2 x ValleyRAT)
Reporter Ling
Tags:exe SilverFox Trojan/SilverFox.bg[qtsc] ValleyRAT


Avatar
CNGaoLing
Trojan/SilverFox.bg[qtsc]
IOC (Domain ttpkklghss.cn) (IP 95.40.206.48:8080)

Intelligence

File Origin
# of uploads :
1
# of downloads :
142
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
2026年--第三季度违规违纪人员信息pdf_20260817103612.exe
Verdict:
Suspicious activity
Analysis date:
2026-08-20 12:49:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e384371d-a6f9-42b9-8079-cf1dbbf1708b

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/82219/
Detection(s):
SecuriteInfo.com.Win64.MalwareX-gen.79582676.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a service
Moving of the original file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug crypto evasive fingerprint microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/6a86f8f7a8a80f2fbc0ef663/reports/941225a2-e802-4ccf-b81e-bf05c891e121/overview
Verdict:
Malicious
Labled as:
Win64/Agent.KRI trojan
Link:
https://www.hybrid-analysis.com/sample/b3574f6784185a5f56b52714aeb883cdc42527d8aa4ffcbbfc218210ce8d7c43
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/f2261392-a93d-4c23-b1bc-78aa362626c7
Score:
86%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b3574f6784185a5f56b52714aeb883cdc42527d8aa4ffcbbfc218210ce8d7c43
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/5e1fae98ae8ccd1486c6a1e0a9f9fa9c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b3574f6784185a5f56b52714aeb883cdc42527d8aa4ffcbbfc218210ce8d7c43/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wnlu6z4edbnf6vvve4kk5oedzxcckj6yvjh7zo74egbbbtunprbq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/260820-p5axmaz1hv/
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks installed software on the system
Checks computer location settings
Unpacked files
SH256 hash:
b3574f6784185a5f56b52714aeb883cdc42527d8aa4ffcbbfc218210ce8d7c43
MD5 hash:
5e1fae98ae8ccd1486c6a1e0a9f9fa9c
SHA1 hash:
618b2dabe5de46ace4f88ae86efd280ca53bf1f0
Link:
https://www.unpac.me/results/5310cdf4-5caf-42ab-b666-8edc9d6809c8/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b3574f678418/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/b3574f6784185a5f56b52714aeb883cdc42527d8aa4ffcbbfc218210ce8d7c43

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_OutputDebugStringA_iat
Create hunting rule
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:DebuggerException__SetConsoleCtrl
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:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
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:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Create hunting rule
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: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

ValleyRAT

Executable exe b3574f6784185a5f56b52714aeb883cdc42527d8aa4ffcbbfc218210ce8d7c43

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/82219/

Comments