MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b4d1b2f81992764178c6fbee4b91118f0350d4fa3a70abc9a9abfaf7b7b77b37. 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
Threat unknown
Vendor detections: 11
| SHA256 hash: | b4d1b2f81992764178c6fbee4b91118f0350d4fa3a70abc9a9abfaf7b7b77b37 |
|---|---|
| SHA3-384 hash: | 5d38686767d067eaf664ae833029035fb7bcb487aeef68d775af9c9a645c53e9573609449dae0ca6d856176db3dfb409 |
| SHA1 hash: | ba62c7b1b36b0d158b217d60fef7a8b0ba967d7e |
| MD5 hash: | 1954c5744752b3a8aa92f083b57940e8 |
| humanhash: | moon-violet-golf-fifteen |
| File name: | SecuriteInfo.com.FileRepMalware.77298869 |
| Download: | download sample |
| File size: | 3'912'704 bytes |
| First seen: | 2026-02-13 07:23:18 UTC |
| Last seen: | 2026-02-13 08:23:37 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | e4e7c560e86639269dcf5a60c8dbca8c |
| ssdeep | 98304:PdVbFa40XQU/gfsZh7e6A1zZLNGro1WzZe:PdVwVusZZe6WZp91W |
| TLSH | T1FD06333FBA41E5A4F815F4F8825222B30A76B415E9B8EC7B8BF1792139319E1D41E11E |
| TrID | 41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 26.1% (.EXE) Win64 Executable (generic) (10522/11/4) 12.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 5.1% (.ICL) Windows Icons Library (generic) (2059/9) 5.0% (.EXE) OS/2 Executable (generic) (2029/13) |
| Magika | pebin |
| Reporter |  SecuriteInfoCom |
| Tags: | exe |
Intelligence
File Origin
# of uploads :
2
# of downloads :
121
Origin country :
FRVendor Threat Intelligence
No detections
Malware family:
teamviewer
ID:
1
File name:
5nFcTuB.exe
Verdict:
Malicious activity
Analysis date:
2026-02-13 06:49:43 UTC
Tags:
stealer teamviewer rmm-tool tightvnc susp-powershell
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:
phishing emotet lien
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-debug crypt crypto packed unsafe
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Result
Gathering data
Verdict:
Clean
File Type:
exe x64
First seen:
2026-02-13T04:14:00Z UTC
Last seen:
2026-02-13T04:16:00Z UTC
Hits:
~10
Verdict:
Unknown
Score:
99%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Verdict:
Malicious
Threat:
Family.TIGHTVNC
Threat name:
Win64.Trojan.Generic
Status:
Suspicious
First seen:
2026-02-13 06:49:58 UTC
File Type:
PE+ (Exe)
AV detection:
9 of 36 (25.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
8/10
Tags:
adware credential_access defense_evasion discovery execution persistence spyware stealer
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Enumerates system info in registry
Kills process with taskkill
Modifies Control Panel
Modifies Internet Explorer settings
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Browser Information Discovery
System Time Discovery
Drops file in Windows directory
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Enumerates connected drives
Credentials from Password Stores: Windows Credential Manager
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Boot or Logon Autostart Execution: Active Setup
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
b4d1b2f81992764178c6fbee4b91118f0350d4fa3a70abc9a9abfaf7b7b77b37
MD5 hash:
1954c5744752b3a8aa92f083b57940e8
SHA1 hash:
ba62c7b1b36b0d158b217d60fef7a8b0ba967d7e
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: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | DebuggerCheck__QueryInfo |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | dgaagas |
|---|---|
| Author: | Harshit |
| Description: | Uses certutil.exe to download a file named test.txt |
| 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: | grakate_stealer_nov_2021 |
|---|
| Rule name: | Heuristics_ChromeABE |
|---|---|
| Author: | Still |
| Description: | attempts to match instructions related to Chrome App-bound Encryption elevation service; possibly spotted amongst infostealers |
| Rule name: | INDICATOR_SUSPICIOUS_Binary_References_Browsers |
|---|---|
| Author: | ditekSHen |
| Description: | Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables containing SQL queries to confidential data stores. Observed in infostealers |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | RANSOMWARE |
|---|---|
| Author: | ToroGuitar |
| Rule name: | ReflectiveLoader |
|---|---|
| Author: | Florian Roth (Nextron Systems) |
| Description: | Detects a unspecified hack tool, crack or malware using a reflective loader - no hard match - further investigation recommended |
| Reference: | Internal Research |
| Rule name: | Suspicious_Process |
|---|---|
| Author: | Security Research Team |
| Description: | Suspicious process creation |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
| Rule name: | telebot_framework |
|---|---|
| Author: | vietdx.mb |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
exe b4d1b2f81992764178c6fbee4b91118f0350d4fa3a70abc9a9abfaf7b7b77b37
(this sample)
Delivery method
Distributed via web download
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