MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 5cdff7f64983d581e2ead986ec68272c80f5ba3160d2d5115860cfc6bfe8b3b9. 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: 9
| SHA256 hash: | 5cdff7f64983d581e2ead986ec68272c80f5ba3160d2d5115860cfc6bfe8b3b9 |
|---|---|
| SHA3-384 hash: | f748079d067a494b3cc67270ea90ae8cefa5856cfb9bf29ea6472859cff2f745943abde04e0efc9925a017a34aef74ca |
| SHA1 hash: | fc053bc6f486cb20646b4fad4ede26920497f99e |
| MD5 hash: | 23a40abf74ae45eb5e1e5d11668964a8 |
| humanhash: | burger-table-mexico-juliet |
| File name: | Lets.15.0.zip.exe |
| Download: | download sample |
| Signature | ValleyRAT |
| File size: | 85'985'541 bytes |
| First seen: | 2025-04-29 14:23:41 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f4639a0b3116c2cfc71144b88a929cfd (115 x GuLoader, 54 x Formbook, 40 x VIPKeylogger) |
| ssdeep | 1572864:nSDGGxa5w3DuoNWAW/6ieEaNQxYnp5Cpa6M5EeRH9+beh+5uBtjmBWkt:nSCGxa5w3DuoNWAW/6ieEaNQxYnp5Cpr |
| TLSH | T1191833E0DCD8DE25E03BA551E56CE9CCF2F1B492EBE401E4B731C6B851862D14B09B6B |
| 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 |
| dhash icon | 69ccd4d49696cc71 (21 x ValleyRAT, 13 x Adware.Adload, 8 x CoinMiner) |
| Reporter |  aachum |
| Tags: | exe ValleyRAT |
iamaachum
https://www.kuai-letsvpn.com.cn/ => https://letsvpn-1348765136.cos.ap-hongkong.myqcloud.com/Lets.15.0.zipIndicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 137.220.205.195:5050 | https://threatfox.abuse.ch/ioc/1514500/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
910
Origin country :
ESVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Lets.15.0.zip.exe
Verdict:
No threats detected
Analysis date:
2025-04-29 14:39:59 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Clean
Score:
99.9%
Tags:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% subdirectories
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
adaptive-context blackhole installer masquerade microsoft_visual_cc overlay overlay packed packed packer_detected
Verdict:
Suspicious
Labled as:
Malware_48.0
Result
Threat name:
n/a
Detection:
clean
Classification:
n/a
Score:
4 / 100
Behaviour
Behavior Graph:
n/a
Score:
41%
Verdict:
Susipicious
File Type:
PE
Gathering data
Threat name:
Win32.Exploit.Marte
Status:
Malicious
First seen:
2025-04-29 14:24:25 UTC
File Type:
PE (Exe)
Extracted files:
872
AV detection:
12 of 24 (50.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
8/10
Tags:
defense_evasion discovery execution persistence privilege_escalation spyware stealer
Behaviour
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Loads dropped DLL
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Malware family:
ValleyRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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 |
| CHECK_TRUST_INFO | Requires Elevated Execution (level:requireAdministrator) | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| COM_BASE_API | Can Download & Execute components | ole32.dll::CoCreateInstance |
| SECURITY_BASE_API | Uses Security Base API | ADVAPI32.dll::AdjustTokenPrivileges |
| SHELL_API | Manipulates System Shell | SHELL32.dll::ShellExecuteExW SHELL32.dll::SHFileOperationW SHELL32.dll::SHGetFileInfoW |
| WIN32_PROCESS_API | Can Create Process and Threads | KERNEL32.dll::CreateProcessW ADVAPI32.dll::OpenProcessToken KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetDiskFreeSpaceW KERNEL32.dll::GetCommandLineW |
| WIN_BASE_IO_API | Can Create Files | KERNEL32.dll::CopyFileW KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateFileW KERNEL32.dll::DeleteFileW KERNEL32.dll::MoveFileW KERNEL32.dll::MoveFileExW |
| WIN_BASE_USER_API | Retrieves Account Information | ADVAPI32.dll::LookupPrivilegeValueW |
| WIN_REG_API | Can Manipulate Windows Registry | ADVAPI32.dll::RegCreateKeyExW ADVAPI32.dll::RegDeleteKeyW ADVAPI32.dll::RegOpenKeyExW ADVAPI32.dll::RegQueryValueExW ADVAPI32.dll::RegSetValueExW |
| WIN_USER_API | Performs GUI Actions | USER32.dll::AppendMenuW USER32.dll::EmptyClipboard USER32.dll::FindWindowExW USER32.dll::OpenClipboard USER32.dll::PeekMessageW USER32.dll::CreateWindowExW |
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