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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f42c77fc05af60b8e702ab357714890d2ce17419d63bcc108f00be7733e8c7c5. 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 23 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f42c77fc05af60b8e702ab357714890d2ce17419d63bcc108f00be7733e8c7c5
SHA3-384 hash: 57cf649118975f452688d5bc854a5430879f3af0acc8f577eefaa8ea9e9e77a773b946cd9b034552a18d3f729060c205
SHA1 hash: 8b0f970d3a3b51fa167d99d4fe0d4472187fdad3
MD5 hash: 480f7e5181f67f318948ae9d304bc06f
humanhash: carolina-nineteen-monkey-november
File name:480F7E5181F67F318948AE9D304BC06F.dll
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:6'074'880 bytes
First seen:2026-08-21 23:10:16 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 31b6b8efbaf931b2106dbb036151cf7b (3 x ValleyRAT)
ssdeep 98304:c6CysmjOw4YDZJdbYM6ZahkmVnrSbVHyqbtbZ4OiZrq1DfPHNADtV6v+zM+rwroJ:Bs7wnBP6Zahkmxi1RZ4O7NADtV6v+zZT
TLSH T18A56D0913D5C40A6E05B1231CF6BA2BCF2EE7DB03B75315B1680FA1AFB357414A18A5B
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 (36 x ValleyRAT)
Reporter abuse_ch
Tags:dll RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
64.90.19.141:6099

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
64.90.19.141:6099 https://threatfox.abuse.ch/ioc/1884012/
64.90.19.141:6088 https://threatfox.abuse.ch/ioc/1884013/

Intelligence

File Origin
# of uploads :
1
# of downloads :
222
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection:
WinosStager
Create hunting rule
Link:
https://www.capesandbox.com/analysis/82414/
Detection(s):
SecuriteInfo.com.Variant.Draftor.7275.19926998.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ac34ef224e1163a05e90cc3
Tags:
malware
Result
Verdict:
Clean
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug bitsadmin certutil cmd crypto evasive explorer fingerprint keylogger lolbin microsoft_visual_cc msiexec onedrivestandaloneupdater packed reconnaissance
Link:
https://www.filescan.io/uploads/6a88db0ea052609dd69749ac/reports/dc5c0baf-cddf-4fda-9dcd-57a084788f8f/overview
Verdict:
Malicious
Labled as:
Draftor.Generic
Link:
https://www.hybrid-analysis.com/sample/f42c77fc05af60b8e702ab357714890d2ce17419d63bcc108f00be7733e8c7c5
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/39f7c3a8-dfde-4dc8-a855-36c408cd5dec
Result
Threat name:
ValleyRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1962072
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
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: 1962072 Sample: hcGmEEh1kh.dll Startdate: 22/08/2026 Architecture: WINDOWS Score: 100 62 usdt888.club 2->62 64 api.ipify.org 2->64 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 6 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 14 other processes 10->23 dnsIp6 66 usdt888.club 64.90.19.141, 49758, 49760, 49763 NETLAB-SDN-NetLabGlobalUS Hong Kong SAR China 14->66 68 api.ipify.org 172.67.74.152, 443, 49761, 49764 CLOUDFLARENET-CloudflareIncUS Canada 14->68 48 S-1-5-21-224612265...5117-2476756634.EXE, PE32 14->48 dropped 50 C:\...50vPluginNvapiMonitor.NVX.exe, PE32 14->50 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        52 C:\...52vPluginNvapiMonitor.NVX.exe, PE32 21->52 dropped 54 C:\...54vPluginNvapiMonitor.NVX.exe, PE32 23->54 dropped 56 C:\...56vPluginNvapiMonitor.NVX.exe, PE32 23->56 dropped 58 C:\...58vPluginNvapiMonitor.NVX.exe, PE32 23->58 dropped 60 9 other files (none is malicious) 23->60 dropped file7 signatures8 process9 file10 32 cmd.exe 25->32         started        34 conhost.exe 25->34         started        36 conhost.exe 27->36         started        46 C:\...46vPluginNvapiMonitor.NVX.exe, PE32 29->46 dropped process11 process12 38 tasklist.exe 32->38         started        40 find.exe 32->40         started        42 timeout.exe 32->42         started        44 9 other processes 32->44
Score:
74%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f42c77fc05af60b8e702ab357714890d2ce17419d63bcc108f00be7733e8c7c5
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/480f7e5181f67f318948ae9d304bc06f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f42c77fc05af60b8e702ab357714890d2ce17419d63bcc108f00be7733e8c7c5/
Threat name:
Win32.Trojan.Draftor
Create hunting rule
Status:
Malicious
First seen:
2026-08-19 20:10:36 UTC
File Type:
PE (Dll)
Extracted files:
950
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6qwhp7afv5qlrzycvm2xofejbuwoc5az2y54yeepac7hom7iy7cq._file
Verdict:
malicious
Label(s):
ValleyRAT
Create hunting rule
Link:
https://reports.threatray.com/50024360-5b6b-4f2e-829a-9c3637d15b54
Result
Malware family:
n/a
Score:
  8/10
Tags:
defense_evasion discovery execution
Link:
https://tria.ge/reports/260821-2593yayeqc/
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:
f42c77fc05af60b8e702ab357714890d2ce17419d63bcc108f00be7733e8c7c5
MD5 hash:
480f7e5181f67f318948ae9d304bc06f
SHA1 hash:
8b0f970d3a3b51fa167d99d4fe0d4472187fdad3
Link:
https://www.unpac.me/results/edb211bb-6b93-4175-98fb-f1bb5efb9e3f/
SH256 hash:
2533bf808cb4eb5f28ccb5923d789471058db043223f6576d2c4c7f159f12562
MD5 hash:
cb31a9d3aacd9b6524519fa50d4762a6
SHA1 hash:
943dd1314f43cb4a06cfe4e745e452f10420c9b6
Link:
https://www.unpac.me/results/edb211bb-6b93-4175-98fb-f1bb5efb9e3f/
Malware family:
ValleyRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f42c77fc05af/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/f42c77fc05af60b8e702ab357714890d2ce17419d63bcc108f00be7733e8c7c5

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/82414/

Comments