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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c03e1b034b2dc53b24a57dbe0bad2ff3d30c930f0b706edfa3ddb976707eec09. 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: 15


Intelligence 15 IOCs YARA 35 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c03e1b034b2dc53b24a57dbe0bad2ff3d30c930f0b706edfa3ddb976707eec09
SHA3-384 hash: 7ec3404be664929052aa43fe8d7b9849eb255462e55dc374681981517610a909c621e937077d8379bd057e9e9696e226
SHA1 hash: 8cb290a8ae7664cba1fe171a3eba3ec57e5ed6b9
MD5 hash: 2b7caf09c9179ee86882aea3313745be
humanhash: low-east-michigan-harry
File name:deepsk_x64.in.03.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:32'320'160 bytes
First seen:2026-11-14 17:59:29 UTC
Last seen:2026-11-14 18:26:24 UTC
File type:Executable exe
MIME type:application/vnd.microsoft.portable-executable
imphash 20abbe0f6ab059ea4a375bcb6b8a717b (17 x ValleyRAT)
ssdeep 98304:tZQOX4CgBj4LW9JVmQG5elezL3v0tIn+Sn3l42Jlw09nP7moUnxAOQFKZ8xfesS+:tmOXlN5jTpCjPxXOIdSN
TLSH T1F86783067719D98BE062E23454E35F90E329EC714AB0972363B53B2C5FFB34C5EA2658
TrID 61.3% (.GAU) MS Flight Simulator Gauge (35073/8/10)
11.4% (.EXE) Win64 Executable (generic) (6522/11/2)
8.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.8% (.EXE) Win32 Executable (generic) (4504/4/1)
3.5% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon 009269ecd4d42900 (18 x ValleyRAT, 2 x CobaltStrike)
Reporter Ling
Tags:exe PatchedHostLoader SilverFox ValleyRAT


Avatar
CNGaoLing
The sample is retrieved from "https://www.kop4r.com/shenma"

SilverFox / PatchedHostLoader.airep
IOC (zauxss.net) (3byy0j.oss-cn-beijing.aliyuncs.com) (20260914back.oss-cn-beijing.aliyuncs.com) (mm2027.oss-cn-hangzhou.aliyuncs.com) (47.238.85.63:7300)

Intelligence

File Origin
# of uploads :
2
# of downloads :
191
Origin country :
FR FR
Vendor Threat Intelligence
No detections
Malware family:
gh0st
Create hunting rule
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-11-14 18:12:42 UTC
Tags:
delphi golang boxedapp rat gh0st stego payload auto-reg auto-sch uac
Link:
https://app.any.run/tasks/ea302ea3-6751-438b-957f-999c20ebe613

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6af8a1dcbee99cf2c52a175f
Tags:
injection crypt virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file
Enabling the 'hidden' option for recently created files
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm expired-cert fingerprint invalid-signature microsoft_visual_cc signed
Link:
https://www.filescan.io/uploads/6af8a2724265de1b71d65131/reports/47bdb2da-c70c-4786-93d7-b46f8f05e4bb/overview
Verdict:
Malicious
Labled as:
Yogi.Generic
Link:
https://www.hybrid-analysis.com/sample/c03e1b034b2dc53b24a57dbe0bad2ff3d30c930f0b706edfa3ddb976707eec09
Verdict:
Malicious
File Type:
exe x64
Link:
https://opentip.kaspersky.com/c03e1b034b2dc53b24a57dbe0bad2ff3d30c930f0b706edfa3ddb976707eec09/results?tab=lookup
Result
Threat name:
GhostRat
Create hunting rule
Detection:
malicious
Classification:
rans.troj.adwa.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/2006083
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
Modifies the hosts 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
Yara detected GhostRat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 2006083 Sample: deepsk_x64.in.03.exe Startdate: 14/11/2026 Architecture: WINDOWS Score: 100 99 sc-2c0z.cn-hangzhou.oss-adns.aliyuncs.com.gds.alibabadns.com 2->99 101 zauxss.net 2->101 103 14 other IPs or domains 2->103 119 Suricata IDS alerts for network traffic 2->119 121 Antivirus detection for dropped file 2->121 123 Multi AV Scanner detection for submitted file 2->123 125 13 other signatures 2->125 10 d8DxdW.exe 8 24 2->10         started        15 deepsk_x64.in.03.exe 1 12 2->15         started        17 d8DxdW.exe 2->17         started        19 7 other processes 2->19 signatures3 process4 dnsIp5 111 sc-2c0z.cn-hangzhou.oss-adns.aliyuncs.com.gds.alibabadns.com 118.178.60.2, 443, 49722, 49724 ALIBABA-CN-NETHangzhouAlibabaAdvertisingCoLtdCN China 10->111 113 sc-2uks.cn-beijing.oss-adns.aliyuncs.com.gds.alibabadns.com 39.103.20.16, 443, 49731 ALIBABA-CN-NETHangzhouAlibabaAdvertisingCoLtdCN China 10->113 115 sc-2k5x.cn-beijing.oss-adns.aliyuncs.com.gds.alibabadns.com 39.103.20.84, 443, 49730 ALIBABA-CN-NETHangzhouAlibabaAdvertisingCoLtdCN China 10->115 89 C:\Program Files (x86)\KbKZfY\XPSPLOG.dll, PE32 10->89 dropped 91 C:\Program Files (x86)\KbKZfY\KbKZfY.exe, PE32 10->91 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 KbKZfY.exe 10->21         started        26 cmd.exe 1 10->26         started        28 KbKZfY.exe 10->28         started        38 7 other processes 10->38 117 sc-2eo1.cn-beijing.oss-adns.aliyuncs.com.gds.alibabadns.com 39.103.20.72, 443, 49720 ALIBABA-CN-NETHangzhouAlibabaAdvertisingCoLtdCN China 15->117 93 C:\Windows\Temp\ranchserv.jpg, PE32+ 15->93 dropped 95 C:\Users\Public\ggVyWz\d8DxdW.exe, PE32+ 15->95 dropped 97 C:\Users\Public\ggVyWz\UxEnhance64.dll, PE32+ 15->97 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 30 ComputerDefaults.exe 17->30         started        32 winver.exe 17->32         started        161 Uses cmd line tools excessively to alter registry or file data 19->161 34 reg.exe 1 1 19->34         started        36 reg.exe 1 1 19->36         started        40 8 other processes 19->40 file6 signatures7 process8 dnsIp9 105 47.238.85.63, 49728, 7300 ALIBABA-CN-NETAlibabaUSTechnologyCoLtdCN Hong Kong SAR China 21->105 107 twc.trafficmanager.net 40.119.6.228, 123, 54878 MICROSOFT-CORP-MSN-AS-BLOCK-MicrosoftCorporationUS United States 21->107 109 new2027.oss-cn-hongkong.aliyuncs.com 47.79.64.181, 443, 49729, 49732 ALIBABA-CN-NETAlibabaUSTechnologyCoLtdCN Hong Kong SAR China 21->109 81 C:\ProgramData\ee22da0a.exe, PE32 21->81 dropped 83 C:\Program Files (x86)\cYY88d\yx5k2XA.exe, PE32 21->83 dropped 85 C:\Program Files (x86)\cYY88d\XPSPLOG.dll, PE32 21->85 dropped 87 C:\Windows\System32\drivers\etc\hosts, ASCII 21->87 dropped 127 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 21->127 129 Creates an undocumented autostart registry key 21->129 131 Creates multiple autostart registry keys 21->131 141 2 other signatures 21->141 42 cmd.exe 21->42         started        45 cmd.exe 21->45         started        47 cmd.exe 21->47         started        55 6 other processes 21->55 133 Uses schtasks.exe or at.exe to add and modify task schedules 26->133 135 Potential Privilege Escalation using Task Scheduler highest RunLevel 26->135 49 conhost.exe 26->49         started        57 3 other processes 26->57 137 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 28->137 51 d8DxdW.exe 30->51         started        139 Adds extensions / path to Windows Defender exclusion list (Registry) 34->139 53 schtasks.exe 1 38->53         started        59 15 other processes 38->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        75 2 other processes 47->75 145 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 51->145 147 Found direct / indirect Syscall (likely to bypass EDR) 51->147 69 Conhost.exe 53->69         started        71 conhost.exe 55->71         started        73 conhost.exe 55->73         started        77 6 other processes 55->77 process14 process15 79 net1.exe 63->79         started       
Score:
35%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/c03e1b034b2dc53b24a57dbe0bad2ff3d30c930f0b706edfa3ddb976707eec09
Gathering data
Threat name:
Win64.Trojan.AdvML
Create hunting rule
Status:
Malicious
First seen:
2026-11-14 18:00:29 UTC
File Type:
PE+ (Exe)
Extracted files:
14
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ya7bwa2lfxctwjffpw7axljp6pjqzeypbnyg5x5d3w4xm4d65qeq._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
defense_evasion discovery execution exploit persistence privilege_escalation trojan
Link:
https://tria.ge/reports/261114-wlgpdsbx8w/
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
Changes Windows Update policy settings
Drops file in Program Files directory
Enumerates video capture drivers
Launches sc.exe
Drops file in System32 directory
Indicator Removal: Clear Persistence
Adds Run key to start application
Windows security bypass
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
UAC bypass
Malware Family:
n/a
Verdict:
Malicious
Tags:
invalid_signature
YARA:
VM_Detect_VirtualPC_XEN_Wine ldpreload
Link:
https://app.threat.zone/submission/7d48ecd7-67d4-41eb-ade4-ccb44194d7a4
Malware Family:
yogi
Create hunting rule
Malicious:
True
Tags:
file-overlay 64bit exe debug-check obfuscated dns-nxdomain
Link:
https://intel.virussign.com/intelligence/file/c03e1b034b2dc53b24a57dbe0bad2ff3d30c930f0b706edfa3ddb976707eec09
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
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:Capability_Embedded_Lua
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects embedded Lua engines by looking for multiple Lua API symbols or env-var hooks
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:data_manipulation
Create hunting rule
Author:Serhii Kocherhan
Description:Detects data manipulation routines including XOR encoding, Base64 references, and RC4 PRGA encryption
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:Golang_Find_CSC846
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:grakate_stealer_nov_2021
Create hunting rule
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:ldpreload
Create hunting rule
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:MULTI_Malware_Unknown_ForgeAuto_9d9a5cf9
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (inconnu, etat binaire)
Rule name:MULTI_Malware_Unknown_ForgeAuto_de8d8480
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (inconnu, etat binaire)
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:TigerRAT_pe_yaraify
Create hunting rule
Author:hunts-yara-code
Description:YARAify-tightened byte rule from 9 sample(s) -- VERIFY hits
Rule name:VIGIA_ValleyRAT_35edc0f8
Create hunting rule
Author:VIG-IA - Cognitive Threat Intelligence System for Smart Territories and Tourism Sector
Description:8060e6f8-90f7-425c-8e13-16cd83ec42bd - candidate ValleyRAT variant detection
Reference:https://vigia.bisite.es/
Rule name:VIGIA_ValleyRAT_46a26c40
Create hunting rule
Author:VIG-IA - Cognitive Threat Intelligence System for Smart Territories and Tourism Sector
Description:Sample-derived PE signature; ValleyRAT family attribution and coverage unverified
Reference:https://vigia.bisite.es/
Rule name:VIGIA_ValleyRAT_564c3bfd
Create hunting rule
Author:VIG-IA - Cognitive Threat Intelligence System for Smart Territories and Tourism Sector
Description:f7e2a8a6-5224-4c6b-aac7-3217d2c44743 - ValleyRAT variant detection
Reference:https://vigia.bisite.es/
Rule name:VIGIA_ValleyRAT_ae907142
Create hunting rule
Author:VIG-IA - Cognitive Threat Intelligence System for Smart Territories and Tourism Sector
Description:23284fd2-1035-4992-b35a-551b4151b4d6 - supplied executable fingerprint; ValleyRAT attribution not established
Reference:https://vigia.bisite.es/
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:WIN_Malware_Unknown_ForgeAuto_2ffc3572
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)
Rule name:WIN_Malware_Unknown_ForgeAuto_7e8e91c4
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)
Rule name:WIN_Malware_Unknown_ForgeAuto_92a28498
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)
Rule name:WIN_Malware_Unknown_ForgeAuto_b26e2de9_Extrait
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (pe, etat extrait)

File information

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

Web download

ValleyRAT

Executable exe c03e1b034b2dc53b24a57dbe0bad2ff3d30c930f0b706edfa3ddb976707eec09

(this sample)

  
Delivery method
Distributed via web download

Comments