MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0257f7a632a3f3e167eb208b7a9c582d849735263092d94fe3b12e9e673ab8ba. 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

Vidar

Vendor detections: 12

Intelligence 12 IOCs YARA 25 File information Comments

SHA256 hash:	0257f7a632a3f3e167eb208b7a9c582d849735263092d94fe3b12e9e673ab8ba
SHA3-384 hash:	b24fd82555ac5df3676bf298f1c885dcba6a27ece1f87528c86e25ea9bb781fd51f18f9653541876ff96edeed2c74dbd
SHA1 hash:	6023747988fcb579929057b1262dad4520b2d150
MD5 hash:	5b3a0c471759a1e33c27cbd825fbf14b
humanhash:	may-purple-don-rugby
File name:	random.exe
Download:	download sample
Signature	Vidar Create hunting rule
File size:	2'038'448 bytes
First seen:	2026-03-23 07:29:41 UTC
Last seen:	2026-03-23 08:43:46 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	d42595b695fc008ef2c56aabd8efd68e (199 x Vidar, 92 x Rhadamanthys, 85 x Stealc)
ssdeep	24576:YwnyIz29VdwRyT4rrNniW3Zjd/K7WSK6HFhele5n92XbCa:YwyU2yRyT8rNnkBCL
Threatray	8 similar samples on MalwareBazaar
TLSH	T1A6957D0B6D9644F6C49A9735C9B25256BB74B8080B3233D72FA0BA783F767E06D39704
TrID	33.1% (.EXE) Win64 Executable (generic) (6522/11/2) 25.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 10.4% (.ICL) Windows Icons Library (generic) (2059/9) 10.3% (.EXE) OS/2 Executable (generic) (2029/13) 10.1% (.EXE) Generic Win/DOS Executable (2002/3)
Magika	pebin
Reporter	abuse_ch
Tags:	exe signed vidar

Code Signing Certificate

Organisation:	*.texasdiagnosticradiology.com
Issuer:	Amazon RSA 2048 M02
Algorithm:	sha256WithRSAEncryption
Valid from:	2025-05-15T00:00:00Z
Valid to:	2026-06-13T23:59:59Z
Serial number:	07d41373f679146a9153aca2f5cba0be
Thumbprint Algorithm:	SHA256
Thumbprint:	5d16519e2d3f006418c1961f3458c5400671c36c8d4819749da0f71fc85fc425
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin

# of uploads :

# of downloads :

131

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

n/a

ID:

File name:

_0257f7a632a3f3e167eb208b7a9c582d849735263092d94fe3b12e9e673ab8ba.exe

Verdict:

No threats detected

Analysis date:

2026-03-23 07:30:55 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/df379788-b5b3-4304-99d1-dbc5b62d34db

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Gathering data

Detection(s):

SecuriteInfo.com.Win64.Evo-gen.36943583.UNOFFICIAL

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69c0ec15390b99647412ec76

Tags:

injection cobalt virus overt

Result

Verdict:

Malware

Maliciousness:

Behaviour

DNS request

Connection attempt

Sending a custom TCP request

Sending an HTTP GET request

Creating a file

Creating a process from a recently created file

Sending an HTTP GET request to an infection source

Sending an HTTP POST request

Using the Windows Management Instrumentation requests

Сreating synchronization primitives

Connection attempt to an infection source

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

adaptive-context anti-vm golang signed

Link:

https://www.filescan.io/uploads/69c0ec114ec2f522cc539348/reports/aeed9fc8-e309-42e7-95f5-6506e4a1f7d9/overview

Verdict:

Malicious

Labled as:

WinGo/Kryptik_AGeneric.Z trojan

Link:

https://www.hybrid-analysis.com/sample/0257f7a632a3f3e167eb208b7a9c582d849735263092d94fe3b12e9e673ab8ba

Result

Gathering data

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/4fd4036e-7c78-4cc0-a751-6e243222df79

Result

Threat name:

LummaC Stealer

Detection:

malicious

Classification:

troj.evad.mine

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1887455

Signature

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Contains functionality to registers a callback to get notified when the system is suspended or resumed (often done by Miners)

Detected unpacking (creates a PE file in dynamic memory)

Drops PE files to the document folder of the user

Found malware configuration

Multi AV Scanner detection for submitted file

Performs DNS queries to domains with low reputation

Potentially malicious time measurement code found

Queries the IP of a very long domain name

Sample uses string decryption to hide its real strings

Suricata IDS alerts for network traffic

Unusual module load detection (module proxying)

Uses known network protocols on non-standard ports

Yara detected LummaC Stealer

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/0257f7a632a3f3e167eb208b7a9c582d849735263092d94fe3b12e9e673ab8ba

Verdict:

inconclusive

YARA:

4 match(es)

Tags:

Executable PE (Portable Executable) PE File Layout Win 64 Exe x64

Link:

https://app.malva.re/file/5b3a0c471759a1e33c27cbd825fbf14b

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/0257f7a632a3f3e167eb208b7a9c582d849735263092d94fe3b12e9e673ab8ba/

Verdict:

Malicious

Threat:

Family.LUMMA

Link:

https://tip.neiki.dev/file/0257f7a632a3f3e167eb208b7a9c582d849735263092d94fe3b12e9e673ab8ba

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=ajl7pjrsupz6cz7lecfxvhcyfwcjonjggcjnst7dwexj4zz2xc5a._file

Verdict:

malicious

Label(s):

lummastealer

Vidar

error

Vidar

f763b7475ff730f4e836dca3b934e9888c73cb5eb7047b3644c00370a72182f8

Vidar

f956a040568f3b59ea00f4de4dd1578573c7b8477f75c6b0dfc0da0fd316738a

Vidar

fdea7c3832a87b08fc88835b621ff6028d18a211b52f8720b455d36f6e35b16a

Vidar

Result

Malware family:

lumma

Score:

10/10

Tags:

family:lumma discovery spyware stealer

Link:

https://tria.ge/reports/260323-jb1y3ady8y/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies data under HKEY_USERS

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Browser Information Discovery

Enumerates physical storage devices

System Location Discovery: System Language Discovery

System Time Discovery

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Looks up external IP address via web service

Checks computer location settings

Executes dropped EXE

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Badlisted process makes network request

Lumma Stealer, LummaC

Lumma family

Malware Config

C2 Extraction:

https://shitrba.click
https://egyptnf.click/xxx
https://familbg.club/help
https://genusne.click/caccc
https://mobbyyt.club/info
https://lumpeem.quest/main
https://thundut.biz/create
https://workltt.quest/owner
https://watchhr.biz/manifest

Dropper Extraction:

https://silverhost.vg

Unpacked files

SH256 hash:

0257f7a632a3f3e167eb208b7a9c582d849735263092d94fe3b12e9e673ab8ba

MD5 hash:

5b3a0c471759a1e33c27cbd825fbf14b

SHA1 hash:

6023747988fcb579929057b1262dad4520b2d150

Link:

https://www.unpac.me/results/02f77ab0-cd94-43b9-921a-45d2d432d8ea/

Malware family:

Lumma

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/0257f7a632a3/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Legit

Score:

0.29

Link:

https://yomi.yoroi.company/submissions/0257f7a632a3f3e167eb208b7a9c582d849735263092d94fe3b12e9e673ab8ba

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:	cobalt_strike_tmp01925d3f Create hunting rule
Author:	The DFIR Report
Description:	files - file ~tmp01925d3f.exe
Reference:	https://thedfirreport.com

Rule name:	command_and_control Create hunting rule
Author:	CD_R0M_
Description:	This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group

Rule name:	CP_Script_Inject_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerException__SetConsoleCtrl Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DetectGoMethodSignatures Create hunting rule
Author:	Wyatt Tauber
Description:	Detects Go method signatures in unpacked Go binaries

Rule name:	Detect_all_IPv6_variants Create hunting rule
Author:	Bierchermuesli
Description:	Generic IPv6 catcher

Rule name:	GoBinTest Create hunting rule

Rule name:	golang Create hunting rule

Rule name:	Golangmalware Create hunting rule
Author:	Dhanunjaya
Description:	Malware in Golang

Rule name:	golang_binary_string Create hunting rule
Description:	Golang strings present

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	golang_duffcopy_amd64 Create hunting rule

Rule name:	Golang_Find_CSC846 Create hunting rule
Author:	Ashar Siddiqui
Description:	Find Go Signatuers

Rule name:	Golang_Find_CSC846_Simple Create hunting rule
Author:	Ashar Siddiqui
Description:	Find Go Signatuers

Rule name:	HiveRansomware Create hunting rule
Author:	Dhanunjaya
Description:	Yara Rule To Detect Hive V4 Ransomware

Rule name:	pe_detect_tls_callbacks Create hunting rule

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	ProgramLanguage_Golang Create hunting rule
Author:	albertzsigovits
Description:	Application written in Golang programming language

Rule name:	SEH__vectored Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	Suspicious_Golang_Binary Create hunting rule
Author:	Tim Machac
Description:	Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)

Rule name:	ThreadControl__Context Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	VECT_Ransomware Create hunting rule
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.