MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa342021227e16248745ea0ea2ca1058fbb7340b31fbed6224f298e12df0a1b2. 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: 10


Intelligence 10 IOCs 1 YARA 20 File information Comments

SHA256 hash: aa342021227e16248745ea0ea2ca1058fbb7340b31fbed6224f298e12df0a1b2
SHA3-384 hash: 3d1698a5204ecbc4eed6764e7bfc74b153010c34ca8863b476813f59efe58e93e6ab54b99aa8ce02ab84830ab2ebf4a9
SHA1 hash: 88d0faf044b5475e9425e22ec4cbd8465a3a8e28
MD5 hash: 152c07c2bae3ddd5a3cbe3d8d65f335b
humanhash: washington-apart-early-idaho
File name:152C07C2BAE3DDD5A3CBE3D8D65F335B.dll
Download: download sample
Signature ValleyRAT
File size:125'080 bytes
First seen:2026-08-23 18:30:11 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 116659a861c0538b7cc982ae3bd5bfcd (1 x ValleyRAT)
ssdeep 3072:bpcSplu4I9Ha5yUsa3Sm8Qr/35r/+vG8WTO:bpcb3QoBa3lJp+G8W6
TLSH T158C38D12B0C0C030D57E59380878AA668B7E75B0CEB58D5BB768096D4F752C1EF36B97
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:
156.225.94.168:80

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
156.225.94.168:80 https://threatfox.abuse.ch/ioc/1885492/

Intelligence


File Origin
# of uploads :
1
# of downloads :
147
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Launching a process
Creating a window
Searching for synchronization primitives
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug evasive explorer invalid-signature lolbin microsoft_visual_cc signed
Verdict:
Malicious
File Type:
dll x32
First seen:
2026-08-20T17:16:00Z UTC
Last seen:
2026-08-24T20:21:00Z UTC
Hits:
~100
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
56 / 100
Signature
Multi AV Scanner detection for submitted file
System process connects to network (likely due to code injection or exploit)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1962418 Sample: ylzR8rkzq7.dll Startdate: 23/08/2026 Architecture: WINDOWS Score: 56 30 ip-api.com 2->30 34 Multi AV Scanner detection for submitted file 2->34 8 loaddll32.exe 7 2->8         started        10 Calculator.exe 2 2->10         started        signatures3 process4 process5 12 rundll32.exe 8->12         started        15 rundll32.exe 6 8->15         started        18 rundll32.exe 6 8->18         started        20 28 other processes 8->20 dnsIp6 36 System process connects to network (likely due to code injection or exploit) 12->36 32 ip-api.com 208.95.112.1, 49700, 49701, 49705 TUT-AS-TotalUptimeTechnologiesLLCUS United States 15->32 22 calc.exe 12 15->22         started        24 calc.exe 12 18->24         started        26 rundll32.exe 20->26         started        28 calc.exe 20->28         started        signatures7 process8
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Trojan.Draftor
Status:
Malicious
First seen:
2026-08-21 04:52:57 UTC
File Type:
PE (Dll)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Looks up external IP address via web service
Badlisted process makes network request
Suspicious use of NtCreateUserProcessOtherParentProcess
Unpacked files
SH256 hash:
aa342021227e16248745ea0ea2ca1058fbb7340b31fbed6224f298e12df0a1b2
MD5 hash:
152c07c2bae3ddd5a3cbe3d8d65f335b
SHA1 hash:
88d0faf044b5475e9425e22ec4cbd8465a3a8e28
Malware family:
ValleyRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:meth_stackstrings
Author:Willi Ballenthin
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_no_import_table
Description:Detect pe file that no import table
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:Windows_Generic_Threat_4b0b73ce
Author:Elastic Security
Rule name:WinosStager
Author:YungBinary
Description:https://www.esentire.com/blog/winos4-0-online-module-staging-component-used-in-cleversoar-campaign
Rule name:win_winos_auto
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.

Comments