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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3e4204dfc05f7d98d882477e759a27a5f21abbf26bc3e33e90c7279a242bf0d6. 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: 11


Intelligence 11 IOCs 2 YARA 23 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3e4204dfc05f7d98d882477e759a27a5f21abbf26bc3e33e90c7279a242bf0d6
SHA3-384 hash: 2fd0ccb2ef26a4863318170b96fdd5e8a4391500bd609f4febe932aad4b7d70d3ec0dbac3366340dcf8203996b9740ef
SHA1 hash: 7995aa22a487695f7d7683be24832a2ee18d461c
MD5 hash: 827131871bb7bb3b6e24e01839451674
humanhash: texas-autumn-steak-seventeen
File name:827131871BB7BB3B6E24E01839451674.dll
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:5'764'096 bytes
First seen:2026-08-17 03:10:20 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 015ade0acc2769b31f99b52582ac5d1a (10 x ValleyRAT)
ssdeep 98304:eJ4pESpilkCHK6fT5ippzPTq0AqKvhoKZ4OiZrq1DfPHNADtV6v+zM+rwroDrroC:eKDcKpzPTq0AlvhBZ4O7NADtV6v+zZRO
TLSH T13746CF133E9C00A6E05A1133CEA9B6ECF16EBDE83B76019715A4BB1DFD32741CA1456B
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 798e960f3396cc71 (36 x ValleyRAT)
Reporter abuse_ch
Tags:dll RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
43.224.224.66:7811

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
43.224.224.66:7811 https://threatfox.abuse.ch/ioc/1877247/
43.224.224.66:7800 https://threatfox.abuse.ch/ioc/1877248/

Intelligence

File Origin
# of uploads :
1
# of downloads :
209
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection:
WinosStager
Create hunting rule
Link:
https://www.capesandbox.com/analysis/81542/
Detection(s):
SecuriteInfo.com.Variant.Yogi.51341.45261847.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ac2a2178679a84b4e988b86
Tags:
malware
Result
Verdict:
Clean
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug bitsadmin certutil cmd crypto dropper evasive explorer fingerprint keylogger lolbin microsoft_visual_cc msiexec onedrivestandaloneupdater packed reconnaissance
Link:
https://www.filescan.io/uploads/6a827ba3668a8d8aaae3e595/reports/0ae66fb4-7f78-46a4-9db8-b7997dd1fc84/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/3e4204dfc05f7d98d882477e759a27a5f21abbf26bc3e33e90c7279a242bf0d6
Verdict:
Malicious
File Type:
dll x32
First seen:
2026-08-14T03:04:00Z UTC
Last seen:
2026-08-16T23:40:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/3e4204dfc05f7d98d882477e759a27a5f21abbf26bc3e33e90c7279a242bf0d6/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b3fcb0a5-be34-4a7e-b1e6-20ec0877bb45
Result
Threat name:
ValleyRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1958773
Signature
Found malware configuration
Found stalling execution ending in API Sleep call
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Rundll32 Execution Without CommandLine Parameters
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
Yara detected ValleyRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1958773 Sample: 7C9ZV4kctC.dll Startdate: 17/08/2026 Architecture: WINDOWS Score: 96 100 fuoe333.club 2->100 102 ideas-irisselection-irisfd-lb.prod-eus2.ideas-irisselection-irisfd.eastus2-prod.cosmic.office.net 2->102 104 2 other IPs or domains 2->104 116 Suricata IDS alerts for network traffic 2->116 118 Found malware configuration 2->118 120 Multi AV Scanner detection for submitted file 2->120 122 4 other signatures 2->122 10 loaddll32.exe 1 2->10         started        12 rundll32.exe 2->12         started        signatures3 process4 process5 14 rundll32.exe 3 16 10->14         started        19 rundll32.exe 5 10->19         started        21 rundll32.exe 5 10->21         started        23 13 other processes 10->23 dnsIp6 106 fuoe333.club 43.224.224.66, 49698, 49709, 49718 AROSS-AS-AROSSCLOUDINCUS Hong Kong SAR China 14->106 108 104.26.12.205, 443, 49721 CLOUDFLARENET-CloudflareIncUS Canada 14->108 110 api.ipify.org 172.67.74.152, 443, 49716, 49719 CLOUDFLARENET-CloudflareIncUS Canada 14->110 82 63FAAC93-85BD-4F80-A998-992BAA6B9891.ExE, PE32 14->82 dropped 84 C:\...behaviorgraphFExperience.NvStreamSrv.NVX.EXE, PE32 14->84 dropped 112 System process connects to network (likely due to code injection or exploit) 14->112 114 Found stalling execution ending in API Sleep call 14->114 96 2 other files (none is malicious) 19->96 dropped 25 cmd.exe 19->25         started        27 taskkill.exe 19->27         started        86 A1606758-EB05-4127-87BB-C6997646E62D.ExE, PE32 21->86 dropped 88 C:\...behaviorgraphFExperience.NvStreamSrv.NVX.EXE, PE32 21->88 dropped 29 cmd.exe 21->29         started        31 taskkill.exe 1 21->31         started        90 ED6F64F9-7C64-4846-9400-A85924A13EDD.ExE, PE32 23->90 dropped 92 A52F5BE1-1BCA-4040-BC01-164F5C0A3991.ExE, PE32 23->92 dropped 94 9F9C4012-1EA7-46E4-87A8-15A0BB1510C8.ExE, PE32 23->94 dropped 98 19 other files (none is malicious) 23->98 dropped 33 rundll32.exe 7 23->33         started        36 cmd.exe 23->36         started        38 taskkill.exe 1 23->38         started        40 WerFault.exe 23->40         started        file7 signatures8 process9 file10 42 cmd.exe 25->42         started        44 conhost.exe 25->44         started        46 conhost.exe 27->46         started        56 2 other processes 29->56 48 conhost.exe 31->48         started        78 CAF04539-AB35-40D2-AA42-5234FCE91140.ExE, PE32 33->78 dropped 80 C:\...behaviorgraphFExperience.NvStreamSrv.NVX.EXE, PE32 33->80 dropped 50 cmd.exe 1 33->50         started        52 taskkill.exe 1 33->52         started        58 2 other processes 36->58 54 conhost.exe 38->54         started        process11 process12 60 tasklist.exe 42->60         started        62 find.exe 42->62         started        76 3 other processes 42->76 64 conhost.exe 50->64         started        66 cmd.exe 50->66         started        68 conhost.exe 52->68         started        70 tasklist.exe 56->70         started        72 find.exe 56->72         started        74 tasklist.exe 1 58->74         started       
Score:
61%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/3e4204dfc05f7d98d882477e759a27a5f21abbf26bc3e33e90c7279a242bf0d6
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/827131871bb7bb3b6e24e01839451674
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3e4204dfc05f7d98d882477e759a27a5f21abbf26bc3e33e90c7279a242bf0d6/
Threat name:
Win32.Trojan.Yogi
Create hunting rule
Status:
Malicious
First seen:
2026-08-15 08:10:00 UTC
File Type:
PE (Dll)
Extracted files:
950
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hzbajx6al56zrweci57hlgrhuxzbvo7snpb6gpuqy4tzujbl6dla._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
defense_evasion discovery execution
Link:
https://tria.ge/reports/260817-dpa2xahb96/
Behaviour
Delays execution with timeout.exe
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Executes a command shell one-liner
System Location Discovery: System Language Discovery
Discovers running processes
Drops file in System32 directory
Enumerates connected drives
Looks up external IP address via web service
Executes dropped EXE
Badlisted process makes network request
Unpacked files
SH256 hash:
3e4204dfc05f7d98d882477e759a27a5f21abbf26bc3e33e90c7279a242bf0d6
MD5 hash:
827131871bb7bb3b6e24e01839451674
SHA1 hash:
7995aa22a487695f7d7683be24832a2ee18d461c
Link:
https://www.unpac.me/results/ca8a5972-e614-4e32-923b-026db4d9289e/
Malware family:
ValleyRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3e4204dfc05f/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/3e4204dfc05f7d98d882477e759a27a5f21abbf26bc3e33e90c7279a242bf0d6

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: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: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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
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:TH_Generic_MassHunt_Win_Malware_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Windows malware mass-hunt rule - 2025
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/81542/

Comments