MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4cf32bd41a17e51520ddd0b0aea06e9792ceb9c3dcb039f166324e6c73c7a65c. 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: | 4cf32bd41a17e51520ddd0b0aea06e9792ceb9c3dcb039f166324e6c73c7a65c |
|---|---|
| SHA3-384 hash: | 33ceaf8797f24681d6de812e5e0ccc79838dba1e0c7bb86459765b36ad8c141be527d6c93363c7b8d361e4643b58c9c1 |
| SHA1 hash: | df355270eb6befc014c03ead61c66d26f9518545 |
| MD5 hash: | 1b87d9511ce3cf5f851c6ef2ec443058 |
| humanhash: | rugby-jig-mango-east |
| File name: | 1b87d9511ce3cf5f851c6ef2ec443058.exe |
| Download: | download sample |
| Signature | ValleyRAT |
| File size: | 263'168 bytes |
| First seen: | 2026-04-21 15:04:09 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b5e7f43ea908268ca06dda2fb070eae9 (1 x ValleyRAT) |
| ssdeep | 6144:qpMKGDSyi/gVemUHs0C1EedtlMwVTX71HWAjjR:6CSynUHs+KHmYjR |
| TLSH | T1EA44D042B7E188B0D99614779C78E76ADB3EB9210F31EEE763900986CE342D05736E17 |
| TrID | 50.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 10.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 10.5% (.EXE) Win64 Executable (generic) (6522/11/2) 8.1% (.EXE) Win16 NE executable (generic) (5038/12/1) 7.2% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| Reporter |  abuse_ch |
| Tags: | 151-242-152-131 Cardiff-University-GovRoam exe RAT ValleyRAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 151.242.152.131:4408 | https://threatfox.abuse.ch/ioc/1795621/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
170
Origin country :
NLVendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-04-21 15:08:57 UTC
Tags:
silverfox backdoor
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
94.1%
Tags:
shellcode virus
Result
Verdict:
Clean
Maliciousness:
Behaviour
DNS request
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
adaptive-context anti-debug anti-vm hacktool microsoft_visual_cc packed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Verdict:
Clean
File Type:
exe x32
Verdict:
Malicious
Result
Threat name:
n/a
Detection:
malicious
Classification:
spyw.evad
Score:
80 / 100
Signature
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Found API chain indicative of debugger detection
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Unusual module load detection (module proxying)
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 32 Exe x86
Verdict:
Malicious
Threat:
Family.VALLEYRAT
Threat name:
Win32.Trojan.Egairtigado
Status:
Malicious
First seen:
2026-04-11 04:04:24 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
16 of 24 (66.67%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
valleyrat
Result
Malware family:
n/a
Score:
6/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
System Location Discovery: System Language Discovery
Enumerates connected drives
Unpacked files
SH256 hash:
4cf32bd41a17e51520ddd0b0aea06e9792ceb9c3dcb039f166324e6c73c7a65c
MD5 hash:
1b87d9511ce3cf5f851c6ef2ec443058
SHA1 hash:
df355270eb6befc014c03ead61c66d26f9518545
Malware family:
ValleyRAT
Verdict:
Malicious
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: | 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: | malware_shellcode_hash |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect shellcode api hash value |
| Rule name: | MD5_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for MD5 constants |
| Rule name: | meth_peb_parsing |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | ProgramLanguage_Rust |
|---|---|
| Author: | albertzsigovits |
| Description: | Application written in Rust programming language |
| Rule name: | SEH__vectored |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| 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: | TH_Win_ETW_Bypass_2025_CYFARE |
|---|---|
| Author: | CYFARE |
| Description: | Windows ETW Bypass Detection Rule - 2025 |
| 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. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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