MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e66b89e5ba1662f055f9030c10af9cdb366eb72ffa893013ffb33ddafc2baa01. 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: 12


Intelligence 12 IOCs 2 YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e66b89e5ba1662f055f9030c10af9cdb366eb72ffa893013ffb33ddafc2baa01
SHA3-384 hash: 592558536e74b8babe7b6641ad5006eea8724bc51cda5e1788ac95595685fd69070003612f93d4bed4704d4aa23e44d9
SHA1 hash: 8a5ad5e836ecd8db32be25166fdeb6a90331db26
MD5 hash: 0e08fe8da2df31c5133c6803697db6cb
humanhash: three-hawaii-mockingbird-sweet
File name:e66b89e5ba1662f055f9030c10af9cdb366eb72ffa893.dll
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:6'678'464 bytes
First seen:2026-05-13 02:10:18 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 0570f232072c2676976eea801785ad17 (3 x ValleyRAT)
ssdeep 98304:9zsmPeG+yhB0DhlL3Yi0x915FZLp9fj0pEd+2MiV+Uyg:hsPyhB5i0x99tpFel8Fy
TLSH T1DD66AF11AFC54DB7CA23EB3C1916A06CB09E9C2417B5C3E3DADFBDEA1C344424968766
TrID 29.5% (.EXE) Win64 Executable (generic) (6522/11/2)
22.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
20.3% (.EXE) Win32 Executable (generic) (4504/4/1)
9.1% (.EXE) OS/2 Executable (generic) (2029/13)
9.0% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
dhash icon 4d962733160e1227 (5 x ValleyRAT)
Reporter abuse_ch
Tags:dll RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
134.122.163.220:7881

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
134.122.163.220:7881 https://threatfox.abuse.ch/ioc/1811441/
134.122.163.220:7880 https://threatfox.abuse.ch/ioc/1811442/

Intelligence

File Origin
# of uploads :
1
# of downloads :
150
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection:
WinosStager
Create hunting rule
Link:
https://www.capesandbox.com/analysis/65776/
Detection(s):
SecuriteInfo.com.Variant.Tedy.967777.43624585.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a03ddaeaa2b27a55c89cc42
Tags:
shellcode injection virus
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug cmd evasive explorer fingerprint invalid-signature keylogger lolbin microsoft_visual_cc mpcmdrun onedrivestandaloneupdater packed reconnaissance signed
Link:
https://www.filescan.io/uploads/6a03ddae2fcb905ec2931d13/reports/e7f36201-ba2b-4a29-9ff5-a0b78b26b128/overview
Verdict:
Malicious
Labled as:
Tedy.Generic
Link:
https://www.hybrid-analysis.com/sample/e66b89e5ba1662f055f9030c10af9cdb366eb72ffa893013ffb33ddafc2baa01
Verdict:
Malicious
File Type:
dll x32
First seen:
2026-05-12T22:56:00Z UTC
Last seen:
2026-05-14T21:54:00Z UTC
Hits:
~100
Detections:
Backdoor.Agent.TCP.C&C Trojan.Win32.Agent.sb Backdoor.Win32.Xkcp.a Trojan.Win32.DLLhijack.sb Trojan-Dropper.Win32.Agent.sb PDM:Trojan.Win32.Generic HEUR:Backdoor.Win32.Agent.gen
Link:
https://opentip.kaspersky.com/e66b89e5ba1662f055f9030c10af9cdb366eb72ffa893013ffb33ddafc2baa01/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/cd89cbc6-6c9e-409d-a762-22cfb5c696fe
Result
Threat name:
ValleyRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1912612
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
Found malware configuration
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Sigma detected: Windows Binaries Write Suspicious Extensions
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: 1912612 Sample: e66b89e5ba1662f055f9030c10a... Startdate: 13/05/2026 Architecture: WINDOWS Score: 96 44 api.ipify.org 2->44 46 akyv188.club 2->46 52 Suricata IDS alerts for network traffic 2->52 54 Found malware configuration 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 4 other signatures 2->58 10 loaddll32.exe 1 2->10         started        signatures3 process4 process5 12 cmd.exe 1 10->12         started        14 rundll32.exe 10->14         started        17 rundll32.exe 10->17         started        19 27 other processes 10->19 signatures6 21 rundll32.exe 4 18 12->21         started        62 Contains functionality to detect sleep reduction / modifications 14->62 26 WerFault.exe 20 16 14->26         started        28 WerFault.exe 16 17->28         started        30 WerFault.exe 16 19->30         started        process7 dnsIp8 48 api.ipify.org 104.26.13.205, 443, 49717, 49723 CLOUDFLARENETUS United States 21->48 50 akyv188.club 134.122.163.220, 49704, 49716, 49718 BCPL-SGBGPNETGlobalASNSG United States 21->50 40 C:\Users\user\...C348672F9122E3636D.BAT, Unicode 21->40 dropped 42 C:\Users\user\...\BFDEEAEFC5AAA67AB6F.EXE, PE32 21->42 dropped 60 System process connects to network (likely due to code injection or exploit) 21->60 32 taskkill.exe 1 21->32         started        34 cmd.exe 21->34         started        file9 signatures10 process11 process12 36 conhost.exe 32->36         started        38 conhost.exe 34->38         started       
Score:
47%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/e66b89e5ba1662f055f9030c10af9cdb366eb72ffa893013ffb33ddafc2baa01
Verdict:
inconclusive
YARA:
6 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/0e08fe8da2df31c5133c6803697db6cb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e66b89e5ba1662f055f9030c10af9cdb366eb72ffa893013ffb33ddafc2baa01/
Verdict:
Malicious
Threat:
Backdoor.Win32.Xkcp
Link:
https://tip.neiki.dev/file/e66b89e5ba1662f055f9030c10af9cdb366eb72ffa893013ffb33ddafc2baa01
Threat name:
Win32.Backdoor.Valleyrat
Create hunting rule
Status:
Malicious
First seen:
2026-05-13 01:45:33 UTC
File Type:
PE (Dll)
Extracted files:
38
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4zvytzn2czrpavpzamgbbl443m3g5nzp7ketae77wm65v7blviaq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
defense_evasion discovery
Link:
https://tria.ge/reports/260513-cl4z5sf16p/
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
System Location Discovery: System Language Discovery
Drops file in System32 directory
Enumerates processes with tasklist
Enumerates connected drives
Looks up external IP address via web service
Executes dropped EXE
Badlisted process makes network request
Unpacked files
SH256 hash:
e66b89e5ba1662f055f9030c10af9cdb366eb72ffa893013ffb33ddafc2baa01
MD5 hash:
0e08fe8da2df31c5133c6803697db6cb
SHA1 hash:
8a5ad5e836ecd8db32be25166fdeb6a90331db26
Link:
https://www.unpac.me/results/6cd22942-a055-4b4c-adbd-46f30bd108b1/
Malware family:
ValleyRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e66b89e5ba16/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.14
Link:
https://yomi.yoroi.company/submissions/e66b89e5ba1662f055f9030c10af9cdb366eb72ffa893013ffb33ddafc2baa01

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: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:meth_stackstrings
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: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: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/65776/

Comments