MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b15f0c3550a40034e11547bedd66d220d75ee73a99194e5285046b4e3cc031aa. 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
| SHA256 hash: | b15f0c3550a40034e11547bedd66d220d75ee73a99194e5285046b4e3cc031aa |
|---|---|
| SHA3-384 hash: | a3ca9a7c55c2807b85edf2212a4dd09eee692224817c4699ed7c2c5b9c5c4ce1fc8271c9f7ba68159f9ee57e4cb56ea0 |
| SHA1 hash: | 54ce51830add45602d35779573f40d72e1e7cb65 |
| MD5 hash: | b137780b84cb1e07d3be853460b28c3e |
| humanhash: | blossom-fillet-six-seventeen |
| File name: | B137780B84CB1E07D3BE853460B28C3E.dll |
| Download: | download sample |
| Signature | ValleyRAT |
| File size: | 387'584 bytes |
| First seen: | 2026-09-25 03:00:32 UTC |
| Last seen: | Never |
| File type: |  dll |
| MIME type: | application/x-dosexec |
| imphash | ed719d06b435e943e2137e8d090ae910 (6 x ValleyRAT) |
| ssdeep | 6144:2cZZ+x7m+cWCDq7ZNIFTRhUE1Tk6++a3/z3mDAa/SnkuVNWEAYEQHTpo:vQc8nIFTRp1TkhhGWVY0+ |
| TLSH | T1BD847E01B5818131E9AE0934B835DBA75A7DB8714BE0D4DFA3C44DAE9E207D1EB3871B |
| 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 |
| Reporter |  abuse_ch |
| Tags: | dll RAT ValleyRAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 202.61.160.183:446 | https://threatfox.abuse.ch/ioc/1932607/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
173
Origin country :
NLVendor Threat Intelligence
No detections
Detection:
WinosStager
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-debug anti-vm crypto evasive exploit explorer fingerprint hacktool lolbin microsoft_visual_cc overlay packed reconnaissance
Verdict:
Malicious
Labled as:
Valley.Generic
Verdict:
Malicious
File Type:
dll x32
First seen:
2026-09-21T01:01:00Z UTC
Last seen:
2026-09-25T04:48:00Z UTC
Hits:
~10
Verdict:
Suspicious
Result
Threat name:
ValleyRAT
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Found evasive API chain (may execute only if attached device has certain properties)
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected UAC Bypass using CMSTP
Yara detected ValleyRAT
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Trojan.Valley
Status:
Malicious
First seen:
2026-09-21 05:55:41 UTC
File Type:
PE (Dll)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
ValleyRAT
Result
Malware family:
n/a
Score:
3/10
Tags:
discovery
Behaviour
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Unpacked files
SH256 hash:
b15f0c3550a40034e11547bedd66d220d75ee73a99194e5285046b4e3cc031aa
MD5 hash:
b137780b84cb1e07d3be853460b28c3e
SHA1 hash:
54ce51830add45602d35779573f40d72e1e7cb65
Detections:
triage_winos_rat_plugin_manager
SH256 hash:
70bcec00c215fe52779700f74e9bd669ff836f594df92381cbfb7ee0568e7a8b
MD5 hash:
485a04675df7cf40a8865706e003eb25
SHA1 hash:
711ef221526997039e804a18db9647c91680bbe2
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | cobalt_strike_tmp01925d3f |
|---|---|
| Author: | The DFIR Report |
| Description: | files - file ~tmp01925d3f.exe |
| Reference: | https://thedfirreport.com |
| 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: | Driver_Safetica |
|---|---|
| Author: | Nikos 'n0t' Totosis |
| Description: | Detects Safetica kernel driver. |
| Rule name: | GenericGh0st |
|---|---|
| Author: | Still |
| Rule name: | Gh0stKCP |
|---|---|
| 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 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables embedding registry key / value combination indicative of disabling Windows Defender features |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) |
| Rule name: | MD5_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for MD5 constants |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | Suspicious_Process |
|---|---|
| Author: | Security Research Team |
| Description: | Suspicious process creation |
| Rule name: | telebot_framework |
|---|---|
| Author: | vietdx.mb |
| Rule name: | ThreadControl__Context |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE |
|---|---|
| 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: | VECT_Ransomware |
|---|---|
| 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: | WinosStager |
|---|---|
| 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.
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