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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0a857187496e9d6b6ded72c0e281ff77eb6506791bb86450d4e5ef8b9746e5b4. 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: 13


Intelligence 13 IOCs 2 YARA 23 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0a857187496e9d6b6ded72c0e281ff77eb6506791bb86450d4e5ef8b9746e5b4
SHA3-384 hash: f8bef038013ee929b248522b403e569c83e2cd5a3465076719f03ae70305efd3a36b58d96804c2d2f94e3f5b2051c069
SHA1 hash: 73eef3c95057726833d9cc2a5ab6e19110b01717
MD5 hash: ab6cdeb0efd4ba846379d9f56ed5d00d
humanhash: oscar-tango-iowa-stream
File name:AB6CDEB0EFD4BA846379D9F56ED5D00D.dll
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:5'915'648 bytes
First seen:2026-08-27 06:35:16 UTC
Last seen:2026-08-27 16:15:15 UTC
File type:DLL dll
MIME type:application/x-dosexec
imphash 65781a122ea4a6bb31511923eafd63e6 (2 x ValleyRAT)
ssdeep 98304:2V5P7S+0l2GSiJPnzHLmLIDakLaKQppXFxr5n6fyq+nkDOByQfoOiGBx5A2NwKEx:ahOz2GSa1LaKQppXFxr5n6fyq+nkDOB8
TLSH T1D556D0113D5C80BEE0AA12338F69A2EDF3BE7DA03B25315B1680F629FF357425A1455B
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 798e960f3396cc71 (35 x ValleyRAT)
Reporter abuse_ch
Tags:dll RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
118.107.44.39:7811

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
118.107.44.39:7811 https://threatfox.abuse.ch/ioc/1888995/
118.107.44.39:7800 https://threatfox.abuse.ch/ioc/1888996/

Intelligence

File Origin
# of uploads :
2
# of downloads :
187
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
ValleyFall
Details
Link:
https://research.acce.ciphertechsolutions.com/results/9469d3ba-82cc-4b93-86a7-38364cdccf05/
Detection:
WinosStager
Create hunting rule
Link:
https://www.capesandbox.com/analysis/82977/
Detection(s):
SecuriteInfo.com.Variant.Yogi.50556.11589774.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug bitsadmin certutil cmd crypto evasive explorer fingerprint keylogger lolbin microsoft_visual_cc msiexec onedrivestandaloneupdater packed packed packer reconnaissance
Link:
https://www.filescan.io/uploads/6a8fdaabb49dd5eb74c15d83/reports/c6cf735b-26ca-4cc2-9985-b9e1888656b1/overview
Verdict:
Malicious
Labled as:
Yogi.Generic
Link:
https://www.hybrid-analysis.com/sample/0a857187496e9d6b6ded72c0e281ff77eb6506791bb86450d4e5ef8b9746e5b4
Verdict:
Malicious
File Type:
dll x32
First seen:
2026-08-24T06:08:00Z UTC
Last seen:
2026-08-28T22:25:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/0a857187496e9d6b6ded72c0e281ff77eb6506791bb86450d4e5ef8b9746e5b4/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8684847e-ebe7-4570-acb4-abb6526634ea
Result
Threat name:
ValleyRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1964526
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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: 1964526 Sample: eYWSjCGiDd.dll Startdate: 27/08/2026 Architecture: WINDOWS Score: 96 60 bokzcc8.club 2->60 62 api.ipify.org 2->62 72 Suricata IDS alerts for network traffic 2->72 74 Found malware configuration 2->74 76 Multi AV Scanner detection for submitted file 2->76 78 5 other signatures 2->78 10 loaddll32.exe 1 2->10         started        12 rundll32.exe 2->12         started        signatures3 process4 process5 14 rundll32.exe 3 19 10->14         started        19 cmd.exe 1 10->19         started        21 rundll32.exe 3 10->21         started        23 28 other processes 10->23 dnsIp6 64 bokzcc8.club 118.107.44.39, 49736, 49737, 49745 CTGSERVERLIMITED-AS-APCTGServerLimitedHK Hong Kong SAR China 14->64 66 104.26.13.205, 443, 49750, 49752 CLOUDFLARENET-CloudflareIncUS Canada 14->66 68 api.ipify.org 172.67.74.152, 443, 49738, 49746 CLOUDFLARENET-CloudflareIncUS Canada 14->68 46 S-1-5-21-224612265...5117-2476756634.eXe, PE32 14->46 dropped 48 C:\ProgramData\...48vDLISR.NVX.exe, PE32 14->48 dropped 70 System process connects to network (likely due to code injection or exploit) 14->70 25 cmd.exe 14->25         started        27 taskkill.exe 14->27         started        29 rundll32.exe 3 19->29         started        50 C:\ProgramData\...50vDLISR.NVX.exe, PE32 21->50 dropped 52 C:\ProgramData\...52vDLISR.NVX.exe, PE32 23->52 dropped 54 C:\ProgramData\...54vDLISR.NVX.exe, PE32 23->54 dropped 56 C:\ProgramData\...56vDLISR.NVX.exe, PE32 23->56 dropped 58 24 other files (none is malicious) 23->58 dropped file7 signatures8 process9 file10 32 cmd.exe 25->32         started        34 conhost.exe 25->34         started        36 conhost.exe 27->36         started        44 C:\ProgramData\...44vDLISR.NVX.exe, PE32 29->44 dropped process11 process12 38 tasklist.exe 32->38         started        40 find.exe 32->40         started        42 timeout.exe 32->42         started       
Score:
52%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/0a857187496e9d6b6ded72c0e281ff77eb6506791bb86450d4e5ef8b9746e5b4
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/ab6cdeb0efd4ba846379d9f56ed5d00d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0a857187496e9d6b6ded72c0e281ff77eb6506791bb86450d4e5ef8b9746e5b4/
Threat name:
Win32.Trojan.ValleyRat
Create hunting rule
Status:
Malicious
First seen:
2026-08-24 11:22:41 UTC
File Type:
PE (Dll)
Extracted files:
950
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bkcxdb2jn2oww3pnolaofap7o7vwkbtzdo4giugu4xxyxf2g4w2a._file
Verdict:
malicious
Label(s):
ValleyRAT
Create hunting rule
Link:
https://reports.threatray.com/9feb8bd6-1c0e-4ce9-a8c4-fa999628cdd9
Result
Malware family:
n/a
Score:
  8/10
Tags:
defense_evasion discovery execution upx
Link:
https://tria.ge/reports/260827-hcg2xaythw/
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:
0a857187496e9d6b6ded72c0e281ff77eb6506791bb86450d4e5ef8b9746e5b4
MD5 hash:
ab6cdeb0efd4ba846379d9f56ed5d00d
SHA1 hash:
73eef3c95057726833d9cc2a5ab6e19110b01717
Link:
https://www.unpac.me/results/fc938955-d639-46f4-a4d6-f10c60978b5d/
SH256 hash:
ba54bbd78ac95bf6c3a8ab95d4b1e485f12cfcd53d79e90e60de626b72b22ceb
MD5 hash:
807557e714a80aaab3402a7fd2a8a030
SHA1 hash:
1a3a4b6c16b622567bd542795295a223ab90633b
Link:
https://www.unpac.me/results/fc938955-d639-46f4-a4d6-f10c60978b5d/
Malware family:
ValleyRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/0a857187496e/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/0a857187496e9d6b6ded72c0e281ff77eb6506791bb86450d4e5ef8b9746e5b4

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/82977/

Comments