MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3b3b2c417b75c2fd8886f81031537200c05cf01d29f28b4ae95117206a8d5071. 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: 15
| SHA256 hash: | 3b3b2c417b75c2fd8886f81031537200c05cf01d29f28b4ae95117206a8d5071 |
|---|---|
| SHA3-384 hash: | 010168e02cea1ff1c8eb3391ab90b7f465e0d21ea0738a0801235a49d45e4efae6e7526df24e7a2181e2f413a1ae3df5 |
| SHA1 hash: | 9c68bac2fa375682d913b79f85a0bed0a41ab98c |
| MD5 hash: | 2f6e6f7fb18033435748339991ff3801 |
| humanhash: | helium-winner-johnny-floor |
| File name: | 2f6e6f7fb18033435748339991ff3801.exe |
| Download: | download sample |
| Signature | ValleyRAT |
| File size: | 3'125'248 bytes |
| First seen: | 2025-08-19 00:40:22 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 0034aebbc3c3bf80b48e332b8f34a6fa (2 x ValleyRAT) |
| ssdeep | 49152:U0ePpNuji6CBBNrJ/etcu32qMbld0MUUiV1:UpPpNuji6Oc2qid0MUUiV1 |
| Threatray | 150 similar samples on MalwareBazaar |
| TLSH | T19AE51983AACB4DF6C9C2677855D393316378BD468B2A5F1B6708F6312D736C1AE1A700 |
| TrID | 42.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 22.3% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 14.2% (.EXE) Win64 Executable (generic) (10522/11/4) 6.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.1% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| dhash icon | 74e0c4ccecf4ccd4 (4 x ValleyRAT, 1 x CobaltStrike) |
| 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 |
|---|---|
| 203.91.74.11:6666 | https://threatfox.abuse.ch/ioc/1569776/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
74
Origin country :
NLVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2f6e6f7fb18033435748339991ff3801.exe
Verdict:
Malicious activity
Analysis date:
2025-08-19 00:40:39 UTC
Tags:
auto-reg
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:
shellcode dropper virus
Result
Verdict:
Suspicious
Maliciousness:
Behaviour
Creating a window
Creating a file in the %temp% directory
Сreating synchronization primitives
Launching a process
Creating a process from a recently created file
Searching for synchronization primitives
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Labled as:
Mint.Zard.Generic
Verdict:
Suspicious
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 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
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Found stalling execution ending in API Sleep call
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: System File Execution Location Anomaly
Suricata IDS alerts for network traffic
Tries to detect sandboxes / dynamic malware analysis system (QueryWinSAT)
Yara detected ValleyRAT
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Verdict:
Malicious
Threat:
Family.VALLEYRAT_S2
Threat name:
Win32.Trojan.MintZard
Status:
Malicious
First seen:
2025-08-15 20:13:18 UTC
File Type:
PE (Exe)
Extracted files:
63
AV detection:
16 of 24 (66.67%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
valleyrat
Similar samples:
+ 140 additional samples on MalwareBazaar
Result
Malware family:
valleyrat_s2
Score:
10/10
Tags:
family:valleyrat_s2 backdoor discovery persistence ransomware
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Enumerates connected drives
Checks computer location settings
Executes dropped EXE
ValleyRat
Valleyrat_s2 family
Malware Config
C2 Extraction:
203.91.74.11:6666
203.91.74.11:8888
203.91.74.11:80
203.91.74.11:8888
203.91.74.11:80
Verdict:
Malicious
Tags:
exploit
YARA:
cve_2014_6352
Unpacked files
SH256 hash:
3b3b2c417b75c2fd8886f81031537200c05cf01d29f28b4ae95117206a8d5071
MD5 hash:
2f6e6f7fb18033435748339991ff3801
SHA1 hash:
9c68bac2fa375682d913b79f85a0bed0a41ab98c
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: | FreddyBearDropper |
|---|---|
| Author: | Dwarozh Hoshiar |
| Description: | Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip. |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | MD5_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for MD5 constants |
| Rule name: | meth_stackstrings |
|---|---|
| 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 |
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 |
|---|---|---|
| MULTIMEDIA_API | Can Play Multimedia | WINMM.dll::midiOutPrepareHeader WINMM.dll::midiOutReset WINMM.dll::midiOutUnprepareHeader WINMM.dll::midiStreamClose WINMM.dll::midiStreamOpen WINMM.dll::midiStreamOut |
| SHELL_API | Manipulates System Shell | SHELL32.dll::ShellExecuteA |
| WIN32_PROCESS_API | Can Create Process and Threads | KERNEL32.dll::CreateProcessA KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetVolumeInformationA KERNEL32.dll::GetStartupInfoA KERNEL32.dll::GetCommandLineA |
| WIN_BASE_EXEC_API | Can Execute other programs | KERNEL32.dll::WinExec KERNEL32.dll::SetStdHandle |
| WIN_BASE_IO_API | Can Create Files | KERNEL32.dll::CreateFileA KERNEL32.dll::GetWindowsDirectoryA KERNEL32.dll::GetSystemDirectoryA KERNEL32.dll::GetFileAttributesA KERNEL32.dll::FindFirstFileA KERNEL32.dll::GetTempPathA |
| WIN_REG_API | Can Manipulate Windows Registry | ADVAPI32.dll::RegCreateKeyA ADVAPI32.dll::RegCreateKeyExA ADVAPI32.dll::RegOpenKeyExA ADVAPI32.dll::RegQueryValueA ADVAPI32.dll::RegSetValueExA |
| WIN_USER_API | Performs GUI Actions | USER32.dll::AppendMenuA USER32.dll::CreateMenu USER32.dll::EmptyClipboard USER32.dll::OpenClipboard USER32.dll::PeekMessageA USER32.dll::CreateWindowExA |
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