MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b26ccd21b6a590edc74a98f66e557631708a9dd9ec739be8e47f05efb0c6288. 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: 14


Intelligence 14 IOCs 1 YARA 14 File information Comments

SHA256 hash: 6b26ccd21b6a590edc74a98f66e557631708a9dd9ec739be8e47f05efb0c6288
SHA3-384 hash: b1fe8753e5162f16f16d9a17c6203ca77e578773924e3187e14587942a866c20ec87b50bb3320fbfe15ffe3f690042fb
SHA1 hash: 475ab188e7e9d7673a34e1ea5364f483104380e8
MD5 hash: 5c4fda221d68b0863b65d8765ed2ebe7
humanhash: lake-echo-quebec-lion
File name:5C4FDA221D68B0863B65D8765ED2EBE7.exe
Download: download sample
Signature ValleyRAT
File size:3'510'272 bytes
First seen:2026-02-07 19:55:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 59010c5840153cfa420aabe5bb8fa447 (1 x ValleyRAT)
ssdeep 49152:SGaJbNXZ2IsJ63+bEaJbNXZKIsJ63+bEs:zwb9gIsJ63+bEwb9gIsJ63+bE
TLSH T17FF57C0577B89DAAFC022A3891CF23365A395C316B6249E7CB05BB6159333D56F3B702
TrID 49.9% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win32 Executable (generic) (4504/4/1)
9.6% (.EXE) OS/2 Executable (generic) (2029/13)
9.5% (.EXE) Generic Win/DOS Executable (2002/3)
9.4% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter abuse_ch
Tags:exe RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
45.194.37.221:18809

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
45.194.37.221:18809 https://threatfox.abuse.ch/ioc/1743173/

Intelligence


File Origin
# of uploads :
1
# of downloads :
119
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
5C4FDA221D68B0863B65D8765ED2EBE7.exe
Verdict:
Malicious activity
Analysis date:
2026-02-07 19:56:33 UTC
Tags:
payload loader silverfox backdoor valleyrat rat winos

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
shellcode emotet virus sage
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug barys cmd expired-cert lolbin mingw overlay packed
Result
Gathering data
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-02-05T03:24:00Z UTC
Last seen:
2026-02-05T05:36:00Z UTC
Hits:
~100
Result
Threat name:
ValleyRAT
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject code into remote processes
Document exploit detected (process start blacklist hit)
Drops PE files to the user root directory
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Self deletion via cmd or bat file
Sigma detected: Suspicious Ping/Del Command Combination
Suricata IDS alerts for network traffic
Tries to delay execution (extensive OutputDebugStringW loop)
Unusual module load detection (module proxying)
Uses known network protocols on non-standard ports
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected UAC Bypass using CMSTP
Yara detected ValleyRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1865359 Sample: S3fxN7spnh.exe Startdate: 07/02/2026 Architecture: WINDOWS Score: 100 47 Suricata IDS alerts for network traffic 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 8 other signatures 2->53 8 S3fxN7spnh.exe 10 2->8         started        process3 dnsIp4 43 193.42.24.214, 16790, 49694 CLOUDIE-AS-APCloudieLimitedHK Russian Federation 8->43 33 C:\Users\user\AppData\Local\...\z7320.exe, PE32 8->33 dropped 35 C:\Users\user\AppData\Local\...\wwlib.dll, PE32 8->35 dropped 37 C:\Users\user\AppData\Local\...\WINWORD.exe, PE32 8->37 dropped 39 2 other malicious files 8->39 dropped 59 Self deletion via cmd or bat file 8->59 61 Drops PE files to the user root directory 8->61 63 Contains functionality to detect sleep reduction / modifications 8->63 13 WINWORD.exe 2 8->13         started        17 cmd.exe 1 8->17         started        file5 signatures6 process7 dnsIp8 45 45.194.37.221, 18808, 18809, 49693 Africa-on-Cloud-ASZA Seychelles 13->45 65 Contains functionality to inject code into remote processes 13->65 67 Writes to foreign memory regions 13->67 69 Allocates memory in foreign processes 13->69 71 Document exploit detected (process start blacklist hit) 13->71 19 tracerpt.exe 1 1 13->19         started        73 Uses ping.exe to sleep 17->73 75 Uses ping.exe to check the status of other devices and networks 17->75 22 PING.EXE 1 17->22         started        25 conhost.exe 17->25         started        27 z7320.exe 17->27         started        29 PING.EXE 1 17->29         started        signatures9 process10 dnsIp11 55 Tries to delay execution (extensive OutputDebugStringW loop) 19->55 57 Unusual module load detection (module proxying) 19->57 31 conhost.exe 19->31         started        41 127.0.0.1 unknown unknown 22->41 signatures12 process13
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Backdoor.Valleyrat
Status:
Malicious
First seen:
2026-02-06 02:00:49 UTC
File Type:
PE (Exe)
Extracted files:
461
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Result
Malware family:
valleyrat_s2
Score:
  10/10
Tags:
family:valleyrat_s2 backdoor discovery
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of SetThreadContext
Enumerates connected drives
Executes dropped EXE
Loads dropped DLL
Downloads MZ/PE file
ValleyRat
Valleyrat_s2 family
Malware Config
C2 Extraction:
45.194.37.221:18809
45.194.37.221:18808
45.194.37.221:6666
Unpacked files
SH256 hash:
6b26ccd21b6a590edc74a98f66e557631708a9dd9ec739be8e47f05efb0c6288
MD5 hash:
5c4fda221d68b0863b65d8765ed2ebe7
SHA1 hash:
475ab188e7e9d7673a34e1ea5364f483104380e8
SH256 hash:
961b4527f8161e4739d2e7979efafc33a99475180e7012678888ca6c02b2a1f3
MD5 hash:
82a56776a79fa782bdc1d8fc52713bf8
SHA1 hash:
77f2755462e3e769dcaaa274e4c5dd8340388d3c
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:Check_OutputDebugStringA_iat
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:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
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:ICMLuaUtil_UACMe_M41
Author:Marius 'f0wL' Genheimer <hello@dissectingmalwa.re>
Description:A Yara rule for UACMe Method 41 -> ICMLuaUtil Elevated COM interface
Reference:https://github.com/hfiref0x/UACME
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:malware_shellcode_hash
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:meth_peb_parsing
Author:Willi Ballenthin
Rule name:pe_detect_tls_callbacks
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments