MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a6171410a77a9593664cd75a89b7fca4643559dfd08bb8c167d5f9e475f7ac50. 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
| SHA256 hash: | a6171410a77a9593664cd75a89b7fca4643559dfd08bb8c167d5f9e475f7ac50 |
|---|---|
| SHA3-384 hash: | 7b636cb1def953c914c19d0dd6353f9a9bb8c0d8c5e2dd4d2d761604dcc801d9f8d66829353e3c234796a45da2ca61b5 |
| SHA1 hash: | 0224c1f31491ba838b509182188e1c8efdf0b2c0 |
| MD5 hash: | 925e430f9552bf872ede7a20bf146868 |
| humanhash: | jupiter-september-william-speaker |
| File name: | a6171410a77a9593664cd75a89b7fca4643559dfd08bb.exe |
| Download: | download sample |
| Signature | ValleyRAT |
| File size: | 133'632 bytes |
| First seen: | 2025-06-02 09:50:17 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | fb51ede541a9ad63bf23d302e319d2a0 (67 x ValleyRAT, 1 x Gh0stRAT) |
| ssdeep | 3072:lO55k/y5dAj+BMTYlgEQnB+Y+pek7+3OrFZeUqe6o5:lO5n5d56TYZQnB+Dpekyyqm |
| Threatray | 258 similar samples on MalwareBazaar |
| TLSH | T184D37D4733A450F9D4A78279C9A24A06E7B374660735A7CF17A086BA2F137D1BD3A331 |
| TrID | 44.4% (.EXE) Win64 Executable (generic) (10522/11/4) 21.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 8.7% (.ICL) Windows Icons Library (generic) (2059/9) 8.5% (.EXE) OS/2 Executable (generic) (2029/13) 8.4% (.EXE) Generic Win/DOS Executable (2002/3) |
| 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 |
|---|---|
| 156.240.108.32:6666 | https://threatfox.abuse.ch/ioc/1538870/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
504
Origin country :
NLVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a6171410a77a9593664cd75a89b7fca4643559dfd08bb.exe
Verdict:
Malicious activity
Analysis date:
2025-06-02 09:51:19 UTC
Tags:
valleyrat winos rat silverfox
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Verdict:
Malicious
Score:
99.1%
Tags:
emotet farfli
Result
Verdict:
Malware
Maliciousness:
Behaviour
Connection attempt
Sending a custom TCP request
Сreating synchronization primitives
Creating a window
Creating a file
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-vm microsoft_visual_cc
Verdict:
Malicious
Labled as:
Trojan.Generic
Malware family:
ValleyRAT
Verdict:
Malicious
Result
Threat name:
GhostRat, 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 inject code into remote processes
Contains functionality to inject threads in other processes
Found malware configuration
Found stalling execution ending in API Sleep call
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Tries to detect sandboxes / dynamic malware analysis system (QueryWinSAT)
Yara detected GhostRat
Yara detected ValleyRAT
Behaviour
Behavior Graph:
Score:
98%
Verdict:
Malware
File Type:
PE
Threat name:
Win64.Backdoor.Farfli
Status:
Malicious
First seen:
2025-06-01 18:24:00 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
22 of 24 (91.67%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
valleyrat
Similar samples:
+ 248 additional samples on MalwareBazaar
Result
Malware family:
valleyrat_s2
Score:
10/10
Tags:
family:valleyrat_s2
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
Enumerates connected drives
Malware Config
C2 Extraction:
156.240.108.32:6666
156.240.108.32:8888
127.0.0.1:80
156.240.108.32:8888
127.0.0.1:80
Verdict:
Malicious
Tags:
Win.Malware.Spywarex-10022879-0
YARA:
n/a
Unpacked files
SH256 hash:
a6171410a77a9593664cd75a89b7fca4643559dfd08bb8c167d5f9e475f7ac50
MD5 hash:
925e430f9552bf872ede7a20bf146868
SHA1 hash:
0224c1f31491ba838b509182188e1c8efdf0b2c0
Malware family:
ValleyRAT
Verdict:
Malicious
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: | DebuggerCheck__QueryInfo |
|---|---|
| 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: | 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: | ValleyRAT |
|---|---|
| Author: | NDA0E |
| Description: | Detects ValleyRAT |
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_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| MULTIMEDIA_API | Can Play Multimedia | WINMM.dll::timeGetTime |
| WIN32_PROCESS_API | Can Create Process and Threads | KERNEL32.dll::CreateProcessA KERNEL32.dll::OpenProcess KERNEL32.dll::VirtualAllocEx KERNEL32.dll::WriteProcessMemory KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryW KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetCommandLineW |
| WIN_BASE_EXEC_API | Can Execute other programs | KERNEL32.dll::WriteConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleWindow KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleCP |
| WIN_BASE_IO_API | Can Create Files | KERNEL32.dll::CreateFileW KERNEL32.dll::GetSystemDirectoryA |
| WIN_REG_API | Can Manipulate Windows Registry | ADVAPI32.dll::RegCreateKeyW ADVAPI32.dll::RegOpenKeyExW ADVAPI32.dll::RegQueryValueExW ADVAPI32.dll::RegSetValueExW |
| WIN_SOCK_API | Uses Network to send and receive data | WS2_32.dll::WSACloseEvent WS2_32.dll::WSACreateEvent WS2_32.dll::WSAEnumNetworkEvents WS2_32.dll::WSAEventSelect WS2_32.dll::WSAIoctl WS2_32.dll::WSAResetEvent |
| WIN_USER_API | Performs GUI Actions | USER32.dll::PeekMessageW |
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