MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4eb3c275bed7f9fff3f94b82c81f2d41e34e6a2ee9a7a585666358b514d8f4b0. 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 YARA 11 File information Comments

SHA256 hash: 4eb3c275bed7f9fff3f94b82c81f2d41e34e6a2ee9a7a585666358b514d8f4b0
SHA3-384 hash: b6887c96400af0035e0de0456bfebb49c19108078605cdeea9a96f38dbdbaf0a1e2f79b264f4426bfd8a723eff1d41a6
SHA1 hash: 1fff47f89acdfb9fc88f1710a3dd8429c0e1dbd4
MD5 hash: 7b03e43ba1c6641ff2cff49330b37c51
humanhash: charlie-leopard-may-hydrogen
File name:2025-04-28_7b03e43ba1c6641ff2cff49330b37c51_amadey_elex_rhadamanthys_smoke-loader.exe
Download: download sample
Signature ValleyRAT
File size:190'976 bytes
First seen:2025-04-28 14:39:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a7e36dbce3a415f20aeed3cf4dbeb50b (1 x ValleyRAT)
ssdeep 3072:VJM5Lno9hQQPZp0qZRQoqN9YqrZ/PH/i+8FRRfuYlxw:VQo9hvRuqkrmK9/iNhf
Threatray 205 similar samples on MalwareBazaar
TLSH T1CE14F13438C0D371CB2F60B650678D959ADB50FA2E4B14E33B9D82ADCEB1150AF2F599
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
Reporter zhuzhu0009
Tags:backdoor exe SilverFox ValleyRAT winos

Intelligence


File Origin
# of uploads :
1
# of downloads :
464
Origin country :
RU RU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2025-04-28_7b03e43ba1c6641ff2cff49330b37c51_amadey_elex_rhadamanthys_smoke-loader
Verdict:
Malicious activity
Analysis date:
2025-04-28 05:37:49 UTC
Tags:
silverfox backdoor valleyrat winos rat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
emotet cobalt
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Connection attempt
Sending a custom TCP request
Сreating synchronization primitives
Creating a file
Searching for the window
Creating a window
Unauthorized injection to a system process
Enabling autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crypt entropy fingerprint microsoft_visual_cc packed packed packer_detected
Verdict:
Malicious
Labled as:
Dump:Generic.ShellCode.Donut.Marte.2
Result
Threat name:
GhostRat, ValleyRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Creates a thread in another existing process (thread injection)
Creates an undocumented autostart registry key
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Environment Variable Has Been Registered
Suricata IDS alerts for network traffic
Uses regedit.exe to modify the Windows registry
Writes to foreign memory regions
Yara detected GhostRat
Yara detected ValleyRAT
Behaviour
Behavior Graph:
Threat name:
Win32.Exploit.DonutMarte
Status:
Malicious
First seen:
2025-04-27 12:38:00 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Result
Malware family:
valleyrat_s2
Score:
  10/10
Tags:
family:valleyrat_s2 backdoor defense_evasion discovery trojan
Behaviour
Runs .reg file with regedit
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Enumerates connected drives
UAC bypass
ValleyRat
Valleyrat_s2 family
Malware Config
C2 Extraction:
154.82.93.8:442
127.0.0.1:442
127.0.0.1:80
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
4eb3c275bed7f9fff3f94b82c81f2d41e34e6a2ee9a7a585666358b514d8f4b0
MD5 hash:
7b03e43ba1c6641ff2cff49330b37c51
SHA1 hash:
1fff47f89acdfb9fc88f1710a3dd8429c0e1dbd4
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Generic_Threat_4b0b73ce
Author:Elastic Security
Rule name:win_valley_rat_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.valley_rat.

File information


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

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_TRUST_INFORequires Elevated Execution (level:highestAvailable)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateRemoteThread
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::GetConsoleWindow

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