MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ab3e5e88a13a48c0b659aa7d1f40c9c8f396c9fad4dda3e297ea077638bfd90. 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: 16


Intelligence 16 IOCs 1 YARA 16 File information Comments

SHA256 hash: 3ab3e5e88a13a48c0b659aa7d1f40c9c8f396c9fad4dda3e297ea077638bfd90
SHA3-384 hash: 3e4dd6c1e8fc610e977b897b3dc54750dedf026a894f0774129f708dc5adebf372139bfb8a0d586ffd2b25f0ed9ba9c4
SHA1 hash: 61bc1ced1e72fcce12e5cfdc3682fbb40e30b52f
MD5 hash: 92b6ecb8a7fe85a1b7e3a18619ff0f92
humanhash: double-undress-failed-angel
File name:shellcodeloader.exe
Download: download sample
Signature ValleyRAT
File size:414'720 bytes
First seen:2025-10-27 05:55:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ec1957b613550da5f79f32111960fe56 (1 x ValleyRAT)
ssdeep 6144:VkTtdpRwxLqUL09EWxyNRy2BxX3IPMZugRcLGHjANuARJ1yZ+UNtadHei:KTRRtUL09ETE2BFgcbNUNBJOah
Threatray 16 similar samples on MalwareBazaar
TLSH T1AD947D2B735324F8C26BC07442D797B2E971F4190328AE6B4698E7322E60C554EBEF75
TrID 41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
26.1% (.EXE) Win64 Executable (generic) (10522/11/4)
12.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.1% (.ICL) Windows Icons Library (generic) (2059/9)
5.0% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter abuse_ch
Tags:exe RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
192.229.115.159:8521

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
192.229.115.159:8521 https://threatfox.abuse.ch/ioc/1627363/

Intelligence


File Origin
# of uploads :
1
# of downloads :
139
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
shellcodeloader.exe
Verdict:
Malicious activity
Analysis date:
2025-10-27 05:57:30 UTC
Tags:
valley winos rat silverfox

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
downloader dropper emotet virus
Result
Verdict:
Clean
Maliciousness:

Behaviour
Connection attempt
Sending a custom TCP request
Сreating synchronization primitives
Creating a window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug evasive obfuscated packed packed packer_detected threat
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-10-27T03:08:00Z UTC
Last seen:
2025-10-28T01:33:00Z UTC
Hits:
~100
Detections:
HEUR:Backdoor.Win32.Farfli.gen Backdoor.Win32.Xkcp.a PDM:Exploit.Win32.Generic Backdoor.Win32.Xkcp.bfk Backdoor.Agent.TCP.C&C Trojan.Win64.Kryplod.sb
Result
Threat name:
ValleyRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Contains functionality to modify Windows User Account Control (UAC) settings
Delayed program exit found
Found malware configuration
Found stalling execution ending in API Sleep call
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected ValleyRAT
Behaviour
Behavior Graph:
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.Znyonm
Status:
Malicious
First seen:
2025-10-27 05:56:01 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Result
Malware family:
valleyrat_s2
Score:
  10/10
Tags:
family:valleyrat_s2 backdoor
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Enumerates connected drives
ValleyRat
Valleyrat_s2 family
Malware Config
C2 Extraction:
192.229.115.159:8521
192.229.115.159:8520
127.0.0.1:80
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
3ab3e5e88a13a48c0b659aa7d1f40c9c8f396c9fad4dda3e297ea077638bfd90
MD5 hash:
92b6ecb8a7fe85a1b7e3a18619ff0f92
SHA1 hash:
61bc1ced1e72fcce12e5cfdc3682fbb40e30b52f
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:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
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:INDICATOR_SUSPICIOUS_EXE_ClearMyTracksByProcess
Author:ditekSHen
Description:Detects executables calling ClearMyTracksByProcess
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:pe_detect_tls_callbacks
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
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