MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 dfacebad09d75d41ee5f477754815ae7e4afd926638d7b72a6a25338cd2479da. 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: 11
| SHA256 hash: | dfacebad09d75d41ee5f477754815ae7e4afd926638d7b72a6a25338cd2479da |
|---|---|
| SHA3-384 hash: | c4c853d16c73d0986cc635b6a4c1ca4c0f4932055286fff338d3c83a0da44d8f76c3a2c898e6f7bd0f0a3ae17a6c79bb |
| SHA1 hash: | e6c21df0a8142465a410de7e6da31ece2c2fab4a |
| MD5 hash: | 26d7035a2330793f6d67f2b3c5429f95 |
| humanhash: | winter-utah-georgia-charlie |
| File name: | Feishu_Setup.exe |
| Download: | download sample |
| Signature | ValleyRAT |
| File size: | 4'896'457 bytes |
| First seen: | 2026-07-12 23:43:47 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 48fe88e0492732b61e81e006305b27a1 (1 x ValleyRAT) |
| ssdeep | 98304:qTQUX2D2LH8oRO+TJOTs5BqrSZ5DgOc+pV6UHsiXMoj9ghi1RebMIg9Cbk/V+thx:qF2UH/rTJOTs5BqrSZ5DgOc+pVNsiXMb |
| Threatray | 11 similar samples on MalwareBazaar |
| TLSH | T1AC36BE96AEAD40D8D895D075C557491BE7B6BC242331838B317DFA5B6F333920E2E322 |
| TrID | 37.0% (.EXE) Win64 Executable (generic) (6522/11/2) 28.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 11.5% (.EXE) OS/2 Executable (generic) (2029/13) 11.3% (.EXE) Generic Win/DOS Executable (2002/3) 11.3% (.EXE) DOS Executable (generic) (2000/1) |
| Magika | pebin |
| dhash icon | a084a8d089a8a7a6 (1 x ValleyRAT) |
| Reporter |  Ling |
| Tags: | exe SilverFox ValleyRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
150
Origin country :
USVendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
Feishu_Setup.exe
Verdict:
Malicious activity
Analysis date:
2026-07-12 19:28:12 UTC
Tags:
n/a
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:
70%
Tags:
injection obfusc crypt
Result
Verdict:
Clean
Maliciousness:
Behaviour
Connection attempt
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Creating a file
Searching for synchronization primitives
Creating a process from a recently created file
Deleting a recently created file
Сreating synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
adaptive-context anti-debug base64 crypto expired-cert explorer fingerprint installer-heuristic invalid-signature keylogger lolbin microsoft_visual_cc overlay packed packed reconnaissance signed
Verdict:
Malicious
Labled as:
Trojan.GenericS
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-07-12T16:39:00Z UTC
Last seen:
2026-07-13T20:16:00Z UTC
Hits:
~100
Detections:
PDM:Trojan.Win32.Generic UDS:DangerousObject.Multi.Generic
Verdict:
Suspicious
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Downloader.Generic
Status:
Suspicious
First seen:
2026-07-12 21:51:10 UTC
File Type:
PE+ (Exe)
Extracted files:
809
AV detection:
9 of 36 (25.00%)
Threat level:
3/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
roningloader
Similar samples:
+ 1 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
dfacebad09d75d41ee5f477754815ae7e4afd926638d7b72a6a25338cd2479da
MD5 hash:
26d7035a2330793f6d67f2b3c5429f95
SHA1 hash:
e6c21df0a8142465a410de7e6da31ece2c2fab4a
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: | Check_OutputDebugStringA_iat |
|---|
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| 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: | pe_detect_tls_callbacks |
|---|
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | RANSOMWARE |
|---|---|
| Author: | ToroGuitar |
| Rule name: | telebot_framework |
|---|---|
| Author: | vietdx.mb |
| Rule name: | TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE |
|---|---|
| Author: | CYFARE |
| Description: | Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments |
| Reference: | https://cyfare.net/ |
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
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