MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 829f4e637040a19db5f9f01097792efa36887ceb2f7d4df5cec1b3af0fc212f8. 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: 13
| SHA256 hash: | 829f4e637040a19db5f9f01097792efa36887ceb2f7d4df5cec1b3af0fc212f8 |
|---|---|
| SHA3-384 hash: | 8d9df48d862031a1a9a2a3cb6655023800554d8fd75832cd19f0f3cc2d857f3bbfd837b1dea74842af378055c01a9bc7 |
| SHA1 hash: | a5d07825a505f2b64dfbb32c8bd8ed003da63eac |
| MD5 hash: | c9b7672c5259e562fb1049ae83054491 |
| humanhash: | eighteen-music-seventeen-don |
| File name: | C9B7672C5259E562FB1049AE83054491.exe |
| Download: | download sample |
| Signature | ValleyRAT |
| File size: | 110'274 bytes |
| First seen: | 2025-06-09 13:10:13 UTC |
| Last seen: | 2025-06-10 11:25:28 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 9c76eb53db29a24168a7f9d51d561cdb (1 x ValleyRAT) |
| ssdeep | 1536:+vtk5iTf0crY02yGyOWu3yUywCbye+Dd47qmOcf:+lNj0cX2yG+IQPf |
| Threatray | 401 similar samples on MalwareBazaar |
| TLSH | T184B32AD7BE8AEDA3F925163989F68319137DF7C00A828B171D31993A0B135E1BFC5246 |
| TrID | 32.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 20.5% (.EXE) Win64 Executable (generic) (10522/11/4) 12.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 9.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 8.7% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| Reporter |  abuse_ch |
| Tags: | exe RAT ValleyRAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 123.57.24.157:9999 | https://threatfox.abuse.ch/ioc/1542998/ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
496
Origin country :
NLVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
C9B7672C5259E562FB1049AE83054491.exe
Verdict:
Malicious activity
Analysis date:
2025-06-09 21:01:50 UTC
Tags:
payload silverfox backdoor valleyrat winos rat
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
96.5%
Tags:
injection emotet obfusc virus
Result
Verdict:
Malware
Maliciousness:
Behaviour
Connection attempt
Sending a custom TCP request
Сreating synchronization primitives
Creating a window
Verdict:
Malicious
Labled as:
Doris.Generic
Malware family:
Winos
Verdict:
Malicious
Result
Threat name:
n/a
Detection:
malicious
Classification:
spyw.evad
Score:
80 / 100
Signature
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Detected unpacking (creates a PE file in dynamic memory)
Found API chain indicative of debugger detection
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Nekark
Status:
Malicious
First seen:
2025-06-05 14:50:50 UTC
File Type:
PE (Exe)
AV detection:
22 of 23 (95.65%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
winos
Similar samples:
+ 391 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
3/10
Tags:
discovery
Behaviour
System Location Discovery: System Language Discovery
Verdict:
Malicious
Tags:
processkiller
YARA:
n/a
Unpacked files
SH256 hash:
829f4e637040a19db5f9f01097792efa36887ceb2f7d4df5cec1b3af0fc212f8
MD5 hash:
c9b7672c5259e562fb1049ae83054491
SHA1 hash:
a5d07825a505f2b64dfbb32c8bd8ed003da63eac
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | pe_detect_tls_callbacks |
|---|
| Rule name: | pe_no_import_table |
|---|---|
| Description: | Detect pe file that no import table |
| 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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_NX | Missing Non-Executable Memory Protection | critical |
| CHECK_PIE | Missing Position-Independent Executable (PIE) Protection | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::TerminateProcess KERNEL32.dll::GetStartupInfoA |
| WIN_BASE_EXEC_API | Can Execute other programs | KERNEL32.dll::GetConsoleWindow |
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.