MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 5665f5570d006c5d08e9dfac4dc1eef5960ea07c403ffca33e88da564eaa0c83. 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: 14
| SHA256 hash: | 5665f5570d006c5d08e9dfac4dc1eef5960ea07c403ffca33e88da564eaa0c83 |
|---|---|
| SHA3-384 hash: | d837c6f74d18327e34c411929a6ba7c9baef32c9c60cd0cf95727f7a5b62210e52568c9812e10876542d3b18d27d0385 |
| SHA1 hash: | 2d26bb6cc224cf0f5a412521abc8d35ec0ab7cc6 |
| MD5 hash: | fb457a6418fc28940991bc763c342e3e |
| humanhash: | pasta-angel-indigo-fruit |
| File name: | z1Documentosfiscais.exe |
| Download: | download sample |
| Signature | ValleyRAT |
| File size: | 329'504 bytes |
| First seen: | 2026-06-23 14:00:09 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 157228dbd2e37c072e61d86e496e301e (1 x ValleyRAT) |
| ssdeep | 6144:OaFSX/3SXZAN/xzZQS1BbpKXMMAsROgnYFWGPM8+6WbqSStIylO:OtX/30AN/r1BbpKX5DznW7Eby |
| TLSH | T1D564AD73A29C34E8E5A2853484553DD197317CFD1A238FAF32908616CE3EFA17D29B58 |
| 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 |
| Reporter |  FXOLabs |
| Tags: | exe ValleyRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
178
Origin country :
BRVendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
_5665f5570d006c5d08e9dfac4dc1eef5960ea07c403ffca33e88da564eaa0c83.exe
Verdict:
Malicious activity
Analysis date:
2026-06-23 14:02:28 UTC
Tags:
evasion
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:
99.9%
Tags:
vmdetect emotet cobalt
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
Connection attempt to an infection source
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Creating a file
Query of malicious DNS domain
Sending a TCP request to an infection source
Deleting of the original file
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-debug anti-vm base64 evasive invalid-signature microsoft_visual_cc overlay packed signed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-06-23T11:07:00Z UTC
Last seen:
2026-06-25T06:43:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Win32.Silverfox.gen HEUR:Backdoor.Win32.Farfli.gen Trojan-Dropper.Win32.Dorifel.sbd Trojan.Win32.Tremp.sb
Malware family:
ValleyRAT
Verdict:
Malicious
Score:
19%
Verdict:
Benign
File Type:
PE
Gathering data
Verdict:
Malicious
Threat:
Family.VALLEYRAT_S2
Threat name:
Win64.Trojan.ValleyRat
Status:
Malicious
First seen:
2026-06-23 14:01:18 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
20 of 24 (83.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
valleyrat_s2
Score:
10/10
Tags:
family:valleyrat_s2 backdoor defense_evasion
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Deletes itself
Executes dropped EXE
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Family: ValleyRat
Malware Config
C2 Extraction:
b.360ctct.com:443
b.360ctct.com:80
b.360ctct.com:80
Unpacked files
SH256 hash:
5665f5570d006c5d08e9dfac4dc1eef5960ea07c403ffca33e88da564eaa0c83
MD5 hash:
fb457a6418fc28940991bc763c342e3e
SHA1 hash:
2d26bb6cc224cf0f5a412521abc8d35ec0ab7cc6
Malware family:
ValleyRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Backdoor
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_VBox_Guest_Additions |
|---|
| Rule name: | Check_VmTools |
|---|
| Rule name: | cobalt_strike_tmp01925d3f |
|---|---|
| Author: | The DFIR Report |
| Description: | files - file ~tmp01925d3f.exe |
| Reference: | https://thedfirreport.com |
| 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: | INDICATOR_SUSPICIOUS_VM_Evasion_VirtDrvComb |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing combination of virtualization drivers |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | test_rule_vldslv |
|---|
| Rule name: | VECT_Ransomware |
|---|---|
| Author: | Mustafa Bakhit |
| Description: | Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments. |
| Rule name: | vmdetect |
|---|---|
| Author: | nex |
| Description: | Possibly employs anti-virtualization techniques |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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