MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 539abaeb1d337bd77d51589b1debe5339e87f2e07f62235d9b1ada5a11d6d056. 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: 18


Intelligence 18 IOCs 1 YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 539abaeb1d337bd77d51589b1debe5339e87f2e07f62235d9b1ada5a11d6d056
SHA3-384 hash: fee60befad4baffb16f087958b445bae798b5834789ecd3f9ab4cb2e02b788de26ea8facb0bc5a2f86104cd64b7bc121
SHA1 hash: 08998ae5a8c8634c098e9fd80a59fdf085d04c7a
MD5 hash: 1967745b78718a571407fce13485412b
humanhash: bravo-south-item-equal
File name:1967745B78718A571407FCE13485412B.dll
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:193'536 bytes
First seen:2026-07-10 03:10:26 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 51854b55cb5d96f3c48379e874452e51 (2 x ValleyRAT)
ssdeep 3072:WyNd6vSgEBrE5STBVOyyqGBoTPoEuEahUOl7vztHSd2GXxHJW8:WyNZBrxlxyqGGTpuEahUOl7LU1pW
Threatray 1'001 similar samples on MalwareBazaar
TLSH T156147D217280D236C1DB1638A9BB9FB31D7D6971076A85CBB3948E790E703D1BA3471E
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
Reporter abuse_ch
Tags:dll RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
137.220.156.66:80

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
137.220.156.66:80 https://threatfox.abuse.ch/ioc/1847869/

Intelligence

File Origin
# of uploads :
1
# of downloads :
187
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
ValleyFall
Details
Link:
https://research.acce.ciphertechsolutions.com/results/1ff726fb-01ed-4943-bcfd-c84971fe3dcf/
Detection:
WinosStager
Create hunting rule
Link:
https://www.capesandbox.com/analysis/74135/
Detection(s):
Win.Malware.Lpvpk-10032284-0
Create hunting rule

Win.Malware.Lpvpk-10033630-0
Create hunting rule

Win.Malware.Lpvpk-10034438-0
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a5062dba900f0e9eb6b8c17
Tags:
emotet virus
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/539abaeb1d337bd77d51589b1debe5339e87f2e07f62235d9b1ada5a11d6d056
Verdict:
Malicious
File Type:
dll x32
First seen:
2026-07-06T22:17:00Z UTC
Last seen:
2026-07-11T21:43:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Win32.Silverfox.gen HEUR:Backdoor.Win32.Farfli.gen
Link:
https://opentip.kaspersky.com/539abaeb1d337bd77d51589b1debe5339e87f2e07f62235d9b1ada5a11d6d056/results?tab=lookup
Malware family:
ValleyRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/414d8472-8a69-470c-8aa2-501cc31305fa
Result
Threat name:
ValleyRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1940336
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Found malware configuration
Multi AV Scanner detection for submitted file
Yara detected ValleyRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1940336 Sample: AapNxiIUOx.dll Startdate: 10/07/2026 Architecture: WINDOWS Score: 80 18 Found malware configuration 2->18 20 Antivirus / Scanner detection for submitted sample 2->20 22 Multi AV Scanner detection for submitted file 2->22 24 2 other signatures 2->24 7 loaddll32.exe 1 2->7         started        process3 signatures4 26 Contains functionality to inject code into remote processes 7->26 10 cmd.exe 1 7->10         started        12 conhost.exe 7->12         started        14 rundll32.exe 7->14         started        process5 process6 16 rundll32.exe 10->16         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/539abaeb1d337bd77d51589b1debe5339e87f2e07f62235d9b1ada5a11d6d056
Verdict:
Vidar Stealer
YARA:
6 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Stealer Vidar Stealer Win 32 Exe x86
Link:
https://app.malva.re/file/1967745b78718a571407fce13485412b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/539abaeb1d337bd77d51589b1debe5339e87f2e07f62235d9b1ada5a11d6d056/
Verdict:
Malicious
Threat:
Family.VALLEYRAT
Link:
https://tip.neiki.dev/file/539abaeb1d337bd77d51589b1debe5339e87f2e07f62235d9b1ada5a11d6d056
Threat name:
Win32.Backdoor.Farfli
Create hunting rule
Status:
Malicious
First seen:
2026-07-07 03:08:10 UTC
File Type:
PE (Dll)
Extracted files:
1
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=konlv2y5gn55o7krlcnr327fgopip4xap5rcgxm3dlnfueow2bla._file
Verdict:
malicious
Label(s):
valleyrat
Create hunting rule
Similar samples:
2a9175ca0cb720e38f552ed8d71cedb653ec707e9d05a159ff7ccef5af661770
ValleyRAT
483aa1d69ef169d16b8f89c67fd31310ecba07adf6d2c7ed907f63da7425b97f
ValleyRAT
49ad40410d78b7721cc1cb3c1fec20e76e5ce101b4640ec34a24446a3e0248a6
ValleyRAT
4f34ae8fb7ef874e65acc102778ad86acdef901140bf1f42c71c49de83d509e5
ValleyRAT
50573b4854f35c7cac1ae417a6254310a3aff07e0d8afa093bb2ceb337371587
ValleyRAT
+ 991 additional samples on MalwareBazaar
Result
Malware family:
valleyrat_s2
Create hunting rule
Score:
  10/10
Tags:
family:valleyrat_s2 backdoor discovery
Link:
https://tria.ge/reports/260710-dpm2gacw4m/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Unpacked files
SH256 hash:
539abaeb1d337bd77d51589b1debe5339e87f2e07f62235d9b1ada5a11d6d056
MD5 hash:
1967745b78718a571407fce13485412b
SHA1 hash:
08998ae5a8c8634c098e9fd80a59fdf085d04c7a
Detections:
win_winos_auto
Create hunting rule
triage_winos_rat_plugin_manager
Create hunting rule
Link:
https://www.unpac.me/results/ecd38f37-8843-4568-b687-289db97d263e/
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/539abaeb1d337bd77d51589b1debe5339e87f2e07f62235d9b1ada5a11d6d056

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: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: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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
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: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_Generic_Threat_4b0b73ce
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
Rule name:win_winos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.winos.

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/74135/

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