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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 82b1dd14b929eb878b7ada1b94e9ecfd3e6de64cf4d9e7a9aeeb5fb34a50a62a. 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 YARA 31 File information Comments

SHA256 hash: 82b1dd14b929eb878b7ada1b94e9ecfd3e6de64cf4d9e7a9aeeb5fb34a50a62a
SHA3-384 hash: 14238b8c706d7dffa38f7bb75831af605838010352c632f76e407a1284f44410732201a31e61ec377aed402566d5478e
SHA1 hash: 1554fca1da87bacb9405e6d8afd9ea81645dd910
MD5 hash: 32f29c2352ed38c297ff6f7257ab3bb3
humanhash: apart-helium-nevada-enemy
File name:install.3.1.04.exe
Download: download sample
Signature ValleyRAT
File size:33'925'792 bytes
First seen:2026-10-27 12:02:35 UTC
Last seen:2026-10-27 12:53:32 UTC
File type:Executable exe
MIME type:application/vnd.microsoft.portable-executable
imphash 20abbe0f6ab059ea4a375bcb6b8a717b (4 x ValleyRAT)
ssdeep 196608:lqEfM3r4vGOgAVAiZfFK0SBqtiEPFNPTd:16qp5
TLSH T1A5770646FA414DD2F85846F588ABB7A023FEBD7582D1C30721D87325AFAF29C0E93195
TrID 37.0% (.EXE) Win64 Executable (generic) (6522/11/2)
28.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
11.5% (.EXE) OS/2 Executable (generic) (2029/13)
11.3% (.EXE) Generic Win/DOS Executable (2002/3)
11.3% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
dhash icon 009269ecd4d42900 (5 x ValleyRAT, 2 x CobaltStrike)
Reporter Ling
Tags:exe PatchedHostLoader SilverFox ValleyRAT


Avatar
CNGaoLing
The sample is retrieved from "https://doubao-h.com.cn" / "https://doubao-cu.com.cn" / "https://doubao-cib.com.cn" -> "https://www.gun731.com/lod27"

SilverFox / PatchedHostLoader.airep
IOC (ptmmzs.net) (bzb102.oss-cn-beijing.aliyuncs.com) (mm2027.oss-cn-hangzhou.aliyuncs.com) (20260914back.oss-cn-beijing.aliyuncs.com) (new2027.oss-cn-hongkong.aliyuncs.com) (47.76.186.209:7300)

Intelligence


File Origin
# of uploads :
2
# of downloads :
179
Origin country :
FR FR
Vendor Threat Intelligence
No detections
Malware family:
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-10-27 13:24:51 UTC
Tags:
rat gh0st stego payload auto-reg auto-sch evasion

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
injection shellcode cobalt blic
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm expired-cert fingerprint invalid-signature microsoft_visual_cc overlay packed packed signed
Verdict:
Malicious
Labled as:
Capa_reference_analysis_tools_strings
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-10-27T08:13:00Z UTC
Last seen:
2026-10-27T08:33:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan-Dropper.Win32.Generic
Result
Threat name:
n/a
Detection:
malicious
Classification:
rans.adwa.expl.evad
Score:
100 / 100
Signature
Adds extensions / path to Windows Defender exclusion list (Registry)
Antivirus detection for dropped file
Creates an undocumented autostart registry key
Creates multiple autostart registry keys
Deletes shadow drive data (may be related to ransomware)
Disables security and backup related services
Found direct / indirect Syscall (likely to bypass EDR)
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Modifies the hosts file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
PE file contains section with special chars
Potential Privilege Escalation using Task Scheduler highest RunLevel
Sigma detected: Execution from Suspicious Folder
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Parent in Public Folder Suspicious Process
Sigma detected: Suspicious Program Location with Network Connections
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to delay execution (extensive OutputDebugStringW loop)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Unusual module load detection (module proxying)
Uses cmd line tools excessively to alter registry or file data
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1992729 Sample: install.3.1.04.exe Startdate: 27/10/2026 Architecture: WINDOWS Score: 100 103 sc-2c0z.cn-hangzhou.oss-adns.aliyuncs.com.gds.alibabadns.com 2->103 105 twc.trafficmanager.net 2->105 107 13 other IPs or domains 2->107 121 Suricata IDS alerts for network traffic 2->121 123 Malicious sample detected (through community Yara rule) 2->123 125 Antivirus detection for dropped file 2->125 127 14 other signatures 2->127 10 RdSTCg.exe 8 26 2->10         started        15 install.3.1.04.exe 1 12 2->15         started        17 RdSTCg.exe 2->17         started        19 8 other processes 2->19 signatures3 process4 dnsIp5 115 sc-2c0z.cn-hangzhou.oss-adns.aliyuncs.com.gds.alibabadns.com 118.178.60.2, 443, 49727, 49729 ALIBABA-CN-NETHangzhouAlibabaAdvertisingCoLtdCN China 10->115 117 sc-2k5x.cn-beijing.oss-adns.aliyuncs.com.gds.alibabadns.com 39.103.20.84, 443, 49735, 49736 ALIBABA-CN-NETHangzhouAlibabaAdvertisingCoLtdCN China 10->117 89 C:\Program Files (x86)\teC08G\teC08G.exe, PE32 10->89 dropped 91 C:\Program Files (x86)\teC08G\XPSPLOG.dll, PE32 10->91 dropped 93 C:\Program Files (x86)\ppbWOG\ppbWOG.exe, PE32 10->93 dropped 95 C:\Program Files (x86)\ppbWOG\XPSPLOG.dll, PE32 10->95 dropped 149 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 10->149 151 Creates multiple autostart registry keys 10->151 153 Tries to detect virtualization through RDTSC time measurements 10->153 21 teC08G.exe 10->21         started        26 cmd.exe 1 10->26         started        38 4 other processes 10->38 119 sc-22s9.cn-beijing.oss-adns.aliyuncs.com.gds.alibabadns.com 39.103.20.139, 443, 49724 ALIBABA-CN-NETHangzhouAlibabaAdvertisingCoLtdCN China 15->119 97 C:\Windows\Temp\ranchserv.jpg, PE32+ 15->97 dropped 99 C:\Users\Public\JgtaaP\UxEnhance64.dll, PE32+ 15->99 dropped 101 C:\Users\Public\JgtaaP\RdSTCg.exe, PE32+ 15->101 dropped 155 Unusual module load detection (module proxying) 15->155 157 Found direct / indirect Syscall (likely to bypass EDR) 15->157 159 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 17->159 28 ComputerDefaults.exe 17->28         started        30 winver.exe 17->30         started        161 Uses cmd line tools excessively to alter registry or file data 19->161 32 reg.exe 1 1 19->32         started        34 reg.exe 1 1 19->34         started        36 reg.exe 1 1 19->36         started        40 7 other processes 19->40 file6 signatures7 process8 dnsIp9 109 47.76.186.209, 49732, 7300 ALIBABA-CN-NETAlibabaUSTechnologyCoLtdCN Hong Kong SAR China 21->109 111 twc.trafficmanager.net 168.61.215.74, 123, 52265 MICROSOFT-CORP-MSN-AS-BLOCK-MicrosoftCorporationUS United States 21->111 113 new2027.oss-cn-hongkong.aliyuncs.com 47.79.64.181, 443, 49733, 49734 ALIBABA-CN-NETAlibabaUSTechnologyCoLtdCN Hong Kong SAR China 21->113 81 C:\ProgramData\96d35441.exe, PE32 21->81 dropped 83 C:\Program Files (x86)\8TfDEl\vtU63.exe, PE32 21->83 dropped 85 C:\Program Files (x86)\8TfDEl\XPSPLOG.dll, PE32 21->85 dropped 87 C:\Windows\System32\drivers\etc\hosts, ASCII 21->87 dropped 129 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 21->129 131 Creates an undocumented autostart registry key 21->131 133 Creates multiple autostart registry keys 21->133 141 3 other signatures 21->141 42 cmd.exe 21->42         started        45 cmd.exe 21->45         started        47 cmd.exe 21->47         started        53 6 other processes 21->53 135 Uses schtasks.exe or at.exe to add and modify task schedules 26->135 137 Potential Privilege Escalation using Task Scheduler highest RunLevel 26->137 49 conhost.exe 26->49         started        55 3 other processes 26->55 51 RdSTCg.exe 28->51         started        139 Adds extensions / path to Windows Defender exclusion list (Registry) 32->139 57 16 other processes 38->57 59 4 other processes 40->59 file10 signatures11 process12 signatures13 143 Deletes shadow drive data (may be related to ransomware) 42->143 61 conhost.exe 42->61         started        63 net.exe 45->63         started        65 conhost.exe 45->65         started        67 conhost.exe 47->67         started        69 icacls.exe 47->69         started        145 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 51->145 147 Found direct / indirect Syscall (likely to bypass EDR) 51->147 71 conhost.exe 53->71         started        73 conhost.exe 53->73         started        75 conhost.exe 53->75         started        77 conhost.exe 53->77         started        process14 process15 79 net1.exe 63->79         started       
Gathering data
Threat name:
Win64.Trojan.AdvML
Status:
Malicious
First seen:
2026-10-27 12:03:28 UTC
File Type:
PE+ (Exe)
Extracted files:
23
AV detection:
11 of 36 (30.56%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
defense_evasion discovery execution exploit persistence privilege_escalation trojan
Behaviour
Uses Task Scheduler COM API
System policy modification
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: LoadsDriver
Suspicious behavior: EnumeratesProcesses
Scheduled Task/Job: Scheduled Task
Runs net.exe
Modifies Control Panel
Checks processor information in registry
System Location Discovery: System Language Discovery
Reads the TCP/IP host and domain name from the registry
Executes a command shell one-liner
Event Triggered Execution: Screensaver
Enumerates physical storage devices
Enumerates video capture drivers
Drops file in Program Files directory
Launches sc.exe
Drops file in System32 directory
Indicator Removal: Clear Persistence
Adds Run key to start application
Modifies file permissions
Loads dropped DLL
Executes dropped EXE
Disables service(s)
Checks computer location settings
Checks BIOS information in registry
Possible privilege escalation attempt
Modifies RDP port number used by Windows
Drops file in Drivers directory
Command and Scripting Interpreter: PowerShell
Windows security bypass
UAC bypass
Process spawned unexpected child process
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:BLOWFISH_Constants
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:GoBinTest
Rule name:golang
Rule name:golang_binary_string
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:grakate_stealer_nov_2021
Rule name:identity_golang
Author:Eric Yocam
Description:find Golang malware
Rule name:MULTI_Malware_RemcosRAT_ForgeAuto_4785f0c3
Author:Marjoriefort
Description:Detects RemcosRAT (inconnu, etat binaire)
Rule name:MULTI_Malware_Unknown_ForgeAuto_4ca5a35d
Author:Marjoriefort
Description:Detects Unknown (inconnu, etat binaire)
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:ProgramLanguage_Golang
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:reverse_http
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SCRIPT_Dropper_Unknown_ForgeAuto_0507f067_Script
Author:Marjoriefort
Description:Detects Unknown (script_js, etat script)
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:SUSP_HTML_XMLHTTP_Redirect_Kit
Author:Marjoriefort
Description:HTML avec exfiltration XMLHTTP + redirection window.location - kit phishing frais
Reference:Veille fraicheur 2026-09-14 / cluster HTML
Rule name:Sus_CMD_Powershell_Usage
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
Author:vietdx.mb
Rule name:test_Malaysia
Author:rectifyq
Description:Detects file containing malaysia string
Rule name:TigerRAT_pe_yaraify
Author:hunts-yara-code
Description:YARAify-tightened byte rule from 9 sample(s) -- VERIFY hits
Rule name:WIN_Malware_PsychedelicStealer_ForgeAuto_14838da1_Extrait
Author:Marjoriefort
Description:Detects PsychedelicStealer (pe, etat extrait)
Rule name:WIN_Malware_Unknown_ForgeAuto_2ffc3572
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)
Rule name:WIN_Malware_Unknown_ForgeAuto_43faefd2
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)
Rule name:WIN_Malware_Unknown_ForgeAuto_5001c94c
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)
Rule name:WIN_Malware_Unknown_ForgeAuto_7e8e91c4
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)
Rule name:WIN_Malware_Unknown_ForgeAuto_92a28498
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)
Rule name:WIN_Malware_Unknown_ForgeAuto_f1079127
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)
Rule name:WIN_Malware_ValleyRAT_ForgeAuto_9ddd32f3
Author:Marjoriefort
Description:Detects ValleyRAT (pe, etat binaire)

File information


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

Web download

ValleyRAT

Executable exe 82b1dd14b929eb878b7ada1b94e9ecfd3e6de64cf4d9e7a9aeeb5fb34a50a62a

(this sample)

  
Delivery method
Distributed via web download

Comments