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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66a46bb960b757df1f1a2b33fbf03620b9cb7eabcbdd379f179ad39e7b573247. 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 1 YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 66a46bb960b757df1f1a2b33fbf03620b9cb7eabcbdd379f179ad39e7b573247
SHA3-384 hash: 3a71d5246e70100b6d6ba1b66636e8856585149864d136bfee334d35286aee4418d395872f215bd7a818c04fc6a39509
SHA1 hash: 1447707a2a5b1e0cf52c046c262049f51925e784
MD5 hash: d7e7e5f711ad3bd477e09de4ba85c5ee
humanhash: freddie-ack-bluebird-network
File name:D7E7E5F711AD3BD477E09DE4BA85C5EE.dll
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:9'277'008 bytes
First seen:2026-09-21 20:30:41 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash f65f92f0d618bf647ac3832079c8e01b (4 x ValleyRAT)
ssdeep 196608:n9H981qWbOLEXCZrIrHaFoi79R1KTbmXWzOJy+Xm4O7NADtV6v+ub:h9813bPbaF1RITgIOJy7/
TLSH T15496E1133DDC8456D41A1131EE6AE6F8F26E6CA03AB6048B3DD4F91EF631B019A171DB
TrID 22.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
22.7% (.EXE) Win64 Executable (generic) (6522/11/2)
17.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.7% (.EXE) Win32 Executable (generic) (4504/4/1)
7.0% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon cc8eb69623233394 (4 x ValleyRAT)
Reporter abuse_ch
Tags:dll RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
43.224.224.72:7800

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
43.224.224.72:7800 https://threatfox.abuse.ch/ioc/1926827/

Intelligence

File Origin
# of uploads :
1
# of downloads :
172
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/88102/
Detection(s):
SecuriteInfo.com.Variant.Yogi.79923.39991636.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug bitsadmin certutil cmd crypto expired-cert explorer fingerprint invalid-signature keylogger lolbin microsoft_visual_cc msiexec onedrivestandaloneupdater packed reconnaissance signed
Link:
https://www.filescan.io/uploads/6ab19416ce85368189f65faa/reports/923ced77-a1d9-4431-9f08-312e65e53ed2/overview
Verdict:
Malicious
Labled as:
Yogi.Generic
Link:
https://www.hybrid-analysis.com/sample/66a46bb960b757df1f1a2b33fbf03620b9cb7eabcbdd379f179ad39e7b573247
Verdict:
Malicious
File Type:
dll x32
First seen:
2026-09-18T07:53:00Z UTC
Last seen:
2026-09-22T20:15:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/66a46bb960b757df1f1a2b33fbf03620b9cb7eabcbdd379f179ad39e7b573247/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/f514d3a6-ebc8-4ca2-9c9f-c2dcec589435
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1975814
Signature
AI detected suspicious PE / MSI digital signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1975814 Sample: uEwfP6HyJ6.dll Startdate: 21/09/2026 Architecture: WINDOWS Score: 52 19 Multi AV Scanner detection for submitted file 2->19 21 AI detected suspicious PE / MSI digital signature 2->21 7 loaddll32.exe 1 2->7         started        process3 process4 9 cmd.exe 1 7->9         started        11 rundll32.exe 7->11         started        13 rundll32.exe 7->13         started        15 28 other processes 7->15 process5 17 rundll32.exe 9->17         started       
Score:
73%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/66a46bb960b757df1f1a2b33fbf03620b9cb7eabcbdd379f179ad39e7b573247
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/d7e7e5f711ad3bd477e09de4ba85c5ee
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/66a46bb960b757df1f1a2b33fbf03620b9cb7eabcbdd379f179ad39e7b573247/
Threat name:
Win32.Trojan.Ravartar
Create hunting rule
Status:
Malicious
First seen:
2026-09-18 12:46:07 UTC
File Type:
PE (Dll)
Extracted files:
1071
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=m2sgxolaw5l56hy2fmz7x4bwec44w7vlzpotphyxtljz462xgjdq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/260921-zat25agc43/
Behaviour
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Unpacked files
SH256 hash:
66a46bb960b757df1f1a2b33fbf03620b9cb7eabcbdd379f179ad39e7b573247
MD5 hash:
d7e7e5f711ad3bd477e09de4ba85c5ee
SHA1 hash:
1447707a2a5b1e0cf52c046c262049f51925e784
Link:
https://www.unpac.me/results/cdfb1cb1-d6b8-4bdc-b600-0fd18001f992/
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: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:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_peb_parsing
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
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_Trojan_Winos_464b8a2e
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

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/88102/

Comments