MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66c2a3817bf0639b0e39dbe75f906e5f9a571a4d63e454c6bd6cbf11243e5bcb. 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: 17


Intelligence 17 IOCs 1 YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 66c2a3817bf0639b0e39dbe75f906e5f9a571a4d63e454c6bd6cbf11243e5bcb
SHA3-384 hash: 79f3fa9d9279b07264cd1d0cba6a53f5c6fef40f830bb6ec24512cb5955e225623edf42770d8a447056f0335b8566d47
SHA1 hash: be03579cd9196ab5cadb04e28b35ff431444a9f7
MD5 hash: aea4129a13864b196b8bf17ce9190884
humanhash: william-william-mobile-william
File name:AEA4129A13864B196B8BF17CE9190884.dll
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:251'904 bytes
First seen:2026-06-20 04:20:11 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash f0e23b81c79b122387dbb66564f1f15f (3 x ValleyRAT)
ssdeep 6144:On8K25SLDS5iAbT7uw3YjXdUdnpTxBYtwcuSpzxABRM:GR25D5iuuw3eUdnpTxBYacuSpz
Threatray 979 similar samples on MalwareBazaar
TLSH T183348C217650C432E9DB0534C5BB8B760AADB8320755D4CFA7E44A7E1E723D2EA3538B
TrID 50.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
10.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
10.5% (.EXE) Win64 Executable (generic) (6522/11/2)
8.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.2% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:dll RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
47.86.32.238:10087

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
47.86.32.238:10087 https://threatfox.abuse.ch/ioc/1834237/

Intelligence

File Origin
# of uploads :
1
# of downloads :
201
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection:
WinosStager
Create hunting rule
Link:
https://www.capesandbox.com/analysis/71297/
Detection(s):
Win.Malware.Lpvpk-10032284-0
Create hunting rule

Win.Malware.Lpvpk-10033630-0
Create hunting rule

YARA.MALPEDIA_Win_Winos_Auto.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a3615291548daf709f816b5
Tags:
emotet
Result
Verdict:
Clean
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug evasive farfli fingerprint microsoft_visual_cc reconnaissance
Link:
https://www.filescan.io/uploads/6a36152490632a45f72e3920/reports/0e7f04a0-d57b-4d4f-b6f5-2185636c4699/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/66c2a3817bf0639b0e39dbe75f906e5f9a571a4d63e454c6bd6cbf11243e5bcb
Verdict:
Malicious
File Type:
dll x32
First seen:
2026-06-15T18:43:00Z UTC
Last seen:
2026-06-20T03:40:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Win32.Silverfox.gen HEUR:Backdoor.Win32.Farfli.gen
Link:
https://opentip.kaspersky.com/66c2a3817bf0639b0e39dbe75f906e5f9a571a4d63e454c6bd6cbf11243e5bcb/results?tab=lookup
Malware family:
ValleyRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5449c766-5869-4f2a-b133-cc7e41dec1db
Result
Threat name:
ValleyRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1931280
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Found malware configuration
Multi AV Scanner detection for submitted file
Yara detected ValleyRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1931280 Sample: hdqEdNtDo8.dll Startdate: 20/06/2026 Architecture: WINDOWS Score: 84 19 Found malware configuration 2->19 21 Antivirus / Scanner detection for submitted sample 2->21 23 Multi AV Scanner detection for submitted file 2->23 25 2 other signatures 2->25 7 loaddll32.exe 1 2->7         started        process3 signatures4 27 Contains functionality to inject threads in other processes 7->27 29 Contains functionality to inject code into remote processes 7->29 10 rundll32.exe 7->10         started        13 cmd.exe 1 7->13         started        15 conhost.exe 7->15         started        process5 signatures6 31 Contains functionality to inject threads in other processes 10->31 17 rundll32.exe 13->17         started        process7
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/66c2a3817bf0639b0e39dbe75f906e5f9a571a4d63e454c6bd6cbf11243e5bcb
Verdict:
Vidar Stealer
YARA:
6 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Stealer Vidar Stealer Win 32 Exe x86
Link:
https://app.malva.re/file/aea4129a13864b196b8bf17ce9190884
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/66c2a3817bf0639b0e39dbe75f906e5f9a571a4d63e454c6bd6cbf11243e5bcb/
Verdict:
Malicious
Threat:
Family.VALLEYRAT
Link:
https://tip.neiki.dev/file/66c2a3817bf0639b0e39dbe75f906e5f9a571a4d63e454c6bd6cbf11243e5bcb
Threat name:
Win32.Trojan.AntiVm
Create hunting rule
Status:
Malicious
First seen:
2026-06-17 04:34:00 UTC
File Type:
PE (Dll)
Extracted files:
1
AV detection:
29 of 36 (80.56%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=m3bkhal36brzwdrz3ptv7edol6nfogsnmpsfjrv5ns7rcjb6lpfq._file
Verdict:
malicious
Label(s):
valleyrat
Create hunting rule
Similar samples:
5085ab3fc3b3a6b548856d59a0cae64de0d67fc5d8f5432af7acf614c4910105
ValleyRAT
5e30bba83c9011b8078e7cadc05a9fc8892b1fe096b3895f92ee2ebfbf75008b
ValleyRAT
65fbe7f58f0ebd08771be05db480cc107d35a764880d4480fe97a551f527d3f2
ValleyRAT
76ae74bd4defb26ce9347111371516a02e2c0d559e41d6add65c6076a8bdc349
ValleyRAT
7bd055075eb686d64a347bbae78cc07f6e2937918cdd4136987ad1177906236e
ValleyRAT
+ 969 additional samples on MalwareBazaar
Result
Malware family:
valleyrat_s2
Create hunting rule
Score:
  10/10
Tags:
family:valleyrat_s2 backdoor discovery
Link:
https://tria.ge/reports/260620-eyjk3set6x/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Unpacked files
SH256 hash:
66c2a3817bf0639b0e39dbe75f906e5f9a571a4d63e454c6bd6cbf11243e5bcb
MD5 hash:
aea4129a13864b196b8bf17ce9190884
SHA1 hash:
be03579cd9196ab5cadb04e28b35ff431444a9f7
Detections:
win_winos_auto
Create hunting rule
triage_winos_rat_plugin_manager
Create hunting rule
Link:
https://www.unpac.me/results/2a16f94a-eb67-4d02-b1e1-93a20b0d27ff/
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/66c2a3817bf0639b0e39dbe75f906e5f9a571a4d63e454c6bd6cbf11243e5bcb

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: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:GenericGh0st
Create hunting rule
Author:Still
Rule name:Gh0stKCP
Create hunting rule
Author:Netresec
Description:Detects HP-Socket ARQ and KCP implementations, which are used in Gh0stKCP. Forked from @stvemillertime's KCP catchall rule.
Reference:https://netresec.com/?b=259a5af
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
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.
Rule name:Windows_Generic_Threat_4b0b73ce
Create hunting rule
Author:Elastic Security
Rule name:WinosStager
Create hunting rule
Author:YungBinary
Description:https://www.esentire.com/blog/winos4-0-online-module-staging-component-used-in-cleversoar-campaign
Rule name:win_winos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.winos.

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/71297/

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