MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 33482fe03da43745be77450cc65e533876cae54c76092d6b1c0e1a2155dd3534. 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: | 33482fe03da43745be77450cc65e533876cae54c76092d6b1c0e1a2155dd3534 |
|---|---|
| SHA3-384 hash: | cff08070ca8403a56f9f9cd2c55ecb7f8ef37c5664e1e87991c1bdcbd87c56f33aab441144d845a76f65018fdae9b8d2 |
| SHA1 hash: | f20d7d6e81c2403ff966891bb82208419b27c0c8 |
| MD5 hash: | c5b3b95fe075f06f948e80882c7807de |
| humanhash: | hotel-kitten-connecticut-nuts |
| File name: | c5b3b95fe075f06f948e80882c7807de.exe |
| Download: | download sample |
| Signature | ValleyRAT |
| File size: | 140'288 bytes |
| First seen: | 2025-01-17 09:10:16 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b8bf08fa843a9ec1ce10d80fbf550c26 (87 x ValleyRAT, 1 x Gh0stRAT) |
| ssdeep | 3072:fbWjdIPbcia0NFtwwnILn3py6D268XEPK72:fbWjMbcCtwwnchx1y |
| Threatray | 121 similar samples on MalwareBazaar |
| TLSH | T167D36B2172A0C072C092253199F9EBB24E7EF93107B845CBF7E4167A5F603C16A7539B |
| TrID | 52.9% (.EXE) Win32 Executable (generic) (4504/4/1) 23.5% (.EXE) Generic Win/DOS Executable (2002/3) 23.5% (.EXE) DOS Executable Generic (2000/1) |
| Magika | pebin |
| Reporter |  abuse_ch |
| Tags: | exe ValleyRAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 111.231.5.58:3307 | https://threatfox.abuse.ch/ioc/1384905/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
498
Origin country :
NLVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c5b3b95fe075f06f948e80882c7807de.exe
Verdict:
Malicious activity
Analysis date:
2025-01-17 10:32:43 UTC
Tags:
silverfox backdoor winos
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Verdict:
Malicious
Score:
99.9%
Tags:
emotet cobalt
Result
Verdict:
Malware
Maliciousness:
Behaviour
Connection attempt
Sending a custom TCP request
Сreating synchronization primitives
Creating a file
Launching a process
Searching for the window
Creating a window
Enabling autorun
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-vm farfli microsoft_visual_cc overlay
Verdict:
Malicious
Labled as:
Fragtor.Generic
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
APT27
Verdict:
Malicious
Result
Threat name:
GhostRat
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
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 an undocumented autostart registry key
Detected unpacking (creates a PE file in dynamic memory)
Found malware configuration
Machine Learning detection for sample
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
Yara detected GhostRat
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.FatalRAT
Status:
Malicious
First seen:
2025-01-14 17:43:59 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
22 of 24 (91.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
winos
Similar samples:
+ 111 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
3/10
Tags:
discovery
Behaviour
System Location Discovery: System Language Discovery
Verdict:
Malicious
Tags:
Win.Malware.Fragtor-10028386-0
YARA:
n/a
Unpacked files
SH256 hash:
33482fe03da43745be77450cc65e533876cae54c76092d6b1c0e1a2155dd3534
MD5 hash:
c5b3b95fe075f06f948e80882c7807de
SHA1 hash:
f20d7d6e81c2403ff966891bb82208419b27c0c8
Detections:
win_valley_rat_auto
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: | ValleyRAT |
|---|---|
| Author: | NDA0E |
| Description: | Detects ValleyRAT |
| 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.
No further information available
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 KERNEL32.dll::GetFileAttributesA |
| 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 |
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.