MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 151d1efff2d7867e50717283dbd72f965bccd893a5e3fe56c412c8c692bb06aa. 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: 9


Intelligence 9 IOCs 1 YARA 18 File information Comments

SHA256 hash: 151d1efff2d7867e50717283dbd72f965bccd893a5e3fe56c412c8c692bb06aa
SHA3-384 hash: dba19edd98669959d90ea9b549feb21b0a32c2eb2583278bc32e452faeb62255b541a58d994cb5098ee38e8a25fba857
SHA1 hash: 69847580e4f0376d9059e8f0b97763463035aac5
MD5 hash: 6098b42bcb2634407a69459429dd42ec
humanhash: don-ink-delta-high
File name:LetaVmP-64.exe
Download: download sample
Signature ValleyRAT
File size:77'863'539 bytes
First seen:2026-01-17 10:21:41 UTC
Last seen:2026-01-17 21:06:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 039d1617d5f0788dacbd04b35a141ebe (34 x ValleyRAT)
ssdeep 1572864:7v3cXeM8E4GBl6hMWZNchevLh95Nbfp9NGqv+Sj0+T:bEeM8vmwMWzccLhZbfDwSV
Threatray 5 similar samples on MalwareBazaar
TLSH T13D0833F377457A21D880FCF4DA8B31F845129916DBA1A9F4064632F48ABD76E12C378B
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon 69ccd4d49696cc71 (22 x ValleyRAT, 13 x Adware.Adload, 8 x CoinMiner)
Reporter zhuzhu0009
Tags:exe ValleyRAT

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
156.239.0.28:443 https://threatfox.abuse.ch/ioc/1733756/

Intelligence


File Origin
# of uploads :
2
# of downloads :
179
Origin country :
JP JP
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
LetaVmP-64.exe
Verdict:
Malicious activity
Analysis date:
2026-01-17 10:23:10 UTC
Tags:
payload silverfox backdoor valleyrat rat winos

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug blackhole installer installer installer-heuristic microsoft_visual_cc nsis overlay soft-404
Verdict:
Clean
File Type:
exe x32
First seen:
2026-01-17T05:49:00Z UTC
Last seen:
2026-01-17T06:05:00Z UTC
Hits:
~10
Gathering data
Result
Malware family:
valleyrat_s2
Score:
  10/10
Tags:
family:valleyrat_s2 backdoor discovery installer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Enumerates connected drives
Loads dropped DLL
Executes dropped EXE
Badlisted process makes network request
ValleyRat
Valleyrat_s2 family
Malware Config
C2 Extraction:
nd.yuxuanow.com:443
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:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
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:pe_no_import_table
Description:Detect pe file that no import table
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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.

Comments