MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51307cb85f159a0ccd4cd31efb33bf3aca0c56f612b667d801698fdd6656e775. 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: 9


Intelligence 9 IOCs 2 YARA 23 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 51307cb85f159a0ccd4cd31efb33bf3aca0c56f612b667d801698fdd6656e775
SHA3-384 hash: 36dbc1da0c9774268431f76473a1a7f9feab27685cc86d9711ef13b907d8d0416b17cd478e741833e98a738248d3b334
SHA1 hash: 7f4b8d6456a185bd919cb908b886f2704ea5ea07
MD5 hash: bfc5c2051f563b2b0199cbd8a6237caf
humanhash: lima-alabama-louisiana-neptune
File name:BFC5C2051F563B2B0199CBD8A6237CAF.dll
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:5'947'392 bytes
First seen:2026-08-20 02:55:13 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 40cf81d7b90d369a5cd511a276c353b5 (6 x ValleyRAT)
ssdeep 98304:Jjv0DwP38wtCkCUyFJeT5ihmAcmI5J2ROVYoZ4OiZrq1DfPHNADtV6v+zM+rwroX:Jjb38w9bkmAcmI+MV9Z4O7NADtV6v+zn
TLSH T1DD56D0117DEC0467E0AB03318EAAF2BC35BEBDA43F2561672784F61EF9313515A1522B
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 (27 x ValleyRAT)
Reporter abuse_ch
Tags:dll RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
118.107.9.136:7800

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
118.107.9.136:7800 https://threatfox.abuse.ch/ioc/1882363/
118.107.9.136:7811 https://threatfox.abuse.ch/ioc/1882831/

Intelligence

File Origin
# of uploads :
1
# of downloads :
152
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection:
WinosStager
Create hunting rule
Link:
https://www.capesandbox.com/analysis/82082/
Detection(s):
SecuriteInfo.com.Variant.Yogi.50556.75143689.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug bitsadmin certutil cmd explorer fingerprint keylogger lolbin microsoft_visual_cc msiexec onedrivestandaloneupdater packed reconnaissance
Link:
https://www.filescan.io/uploads/6a866cb2e701fabf83e09deb/reports/ed975017-937e-4bb9-b5ea-58151af23508/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/51307cb85f159a0ccd4cd31efb33bf3aca0c56f612b667d801698fdd6656e775
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1bb98003-4c9d-4008-aedd-d142e6915568
Result
Threat name:
ValleyRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1960859
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: 1960859 Sample: Vekp60MjAI.dll Startdate: 20/08/2026 Architecture: WINDOWS Score: 96 62 wac-ring.wac-9999.wac-msedge.net 2->62 64 wac-9999.wac-msedge.net 2->64 66 4 other IPs or domains 2->66 76 Suricata IDS alerts for network traffic 2->76 78 Found malware configuration 2->78 80 Multi AV Scanner detection for submitted file 2->80 82 5 other signatures 2->82 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 13 other processes 10->23 dnsIp6 68 104.26.12.205, 443, 49783 CLOUDFLARENET-CloudflareIncUS Canada 14->68 70 acuf444.club 118.107.9.136, 49757, 49758, 49763 CTGSERVERLIMITED-AS-APCTGServerLimitedHK Hong Kong SAR China 14->70 72 api.ipify.org 104.26.13.205, 443, 49759, 49764 CLOUDFLARENET-CloudflareIncUS Canada 14->72 48 S-1-5-21-224612265...5117-2476756634.eXe, PE32 14->48 dropped 50 C:\...behaviorgraphFExperience.NvStreamSrv.NVX.EXE, PE32 14->50 dropped 74 System process connects to network (likely due to code injection or exploit) 14->74 25 cmd.exe 1 14->25         started        27 taskkill.exe 1 14->27         started        29 rundll32.exe 3 19->29         started        52 C:\...behaviorgraphFExperience.NvStreamSrv.NVX.EXE, PE32 21->52 dropped 54 C:\...behaviorgraphFExperience.NvStreamSrv.NVX.EXE, PE32 23->54 dropped 56 C:\...behaviorgraphFExperience.NvStreamSrv.NVX.EXE, PE32 23->56 dropped 58 C:\...behaviorgraphFExperience.NvStreamSrv.NVX.EXE, PE32 23->58 dropped 60 9 other files (none is malicious) 23->60 dropped file7 signatures8 process9 file10 32 cmd.exe 1 25->32         started        34 conhost.exe 25->34         started        36 conhost.exe 27->36         started        46 C:\...behaviorgraphFExperience.NvStreamSrv.NVX.EXE, PE32 29->46 dropped process11 process12 38 tasklist.exe 1 32->38         started        40 timeout.exe 1 32->40         started        42 find.exe 1 32->42         started        44 9 other processes 32->44
Score:
33%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/51307cb85f159a0ccd4cd31efb33bf3aca0c56f612b667d801698fdd6656e775
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/bfc5c2051f563b2b0199cbd8a6237caf
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/51307cb85f159a0ccd4cd31efb33bf3aca0c56f612b667d801698fdd6656e775/
Threat name:
Win32.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2026-08-17 10:00:29 UTC
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=keyhzoc7cwnaztkm2mppwm57hlfayvxwck3gpwabngh52zsw452q._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
defense_evasion discovery execution
Link:
https://tria.ge/reports/260820-devnka1xas/
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:
51307cb85f159a0ccd4cd31efb33bf3aca0c56f612b667d801698fdd6656e775
MD5 hash:
bfc5c2051f563b2b0199cbd8a6237caf
SHA1 hash:
7f4b8d6456a185bd919cb908b886f2704ea5ea07
Link:
https://www.unpac.me/results/a8c9d124-61ae-4948-be3a-1d3e45a55016/
SH256 hash:
b57c42ffc604e0439595b3c7cb138285e9eaf6a9ed85d5659fd42d1994315e08
MD5 hash:
d70a5a7a8c55aae83ea49f88c36f15f8
SHA1 hash:
d29f8491899a942873870baac01de2ca9c34d2b8
Link:
https://www.unpac.me/results/a8c9d124-61ae-4948-be3a-1d3e45a55016/
Malware family:
ValleyRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/51307cb85f15/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/51307cb85f159a0ccd4cd31efb33bf3aca0c56f612b667d801698fdd6656e775

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/82082/

Comments