MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 844aa9ac5bd2d5d9517dd7a8fd06f3dbc32a794a3f0973da94c6436764503fd7. 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: 16

Intelligence 16 IOCs YARA 16 File information Comments

SHA256 hash:	844aa9ac5bd2d5d9517dd7a8fd06f3dbc32a794a3f0973da94c6436764503fd7
SHA3-384 hash:	0c552517e85a888c163b99376ba93767e011bac8b4b7186771d3249a194b4ef83b02005d1457eb2c57a496371843998b
SHA1 hash:	f3200ce263dbdec32deeed886ffdad4b1bd597a8
MD5 hash:	e81cb76139c95da1e4dd17e749465e3f
humanhash:	foxtrot-magnesium-finch-oxygen
File name:	file
Download:	download sample
Signature	Vidar Create hunting rule
File size:	223'232 bytes
First seen:	2026-03-22 00:05:58 UTC
Last seen:	2026-03-22 18:18:18 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	6ed4f5f04d62b18d96b26d6db7c18840 (392 x SalatStealer, 78 x BitRAT, 42 x RedLineStealer)
ssdeep	6144:rHsmrfW8+vITyT/myad6zVuWP1IDu9Zv9l5LrdI:rMma8e9T1QWP1IwZFLLRI
TLSH	T1912422EDB864A75DFDEE12B35542D281FEA44C279FA2D0DEF09C96991F0342D306304A
TrID	60.0% (.EXE) UPX compressed Win64 Executable (70117/5/12) 23.1% (.EXE) UPX compressed Win32 Executable (27066/9/6) 5.5% (.EXE) Win64 Executable (generic) (6522/11/2) 4.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 1.7% (.ICL) Windows Icons Library (generic) (2059/9)
Magika	pebin
Reporter	Bitsight
Tags:	dropped-by-amadey exe fbf543 UPX vidar

Bitsight

url: http://5.252.21.239/vidar/random.exe

UPX packed

This file is packed with UPX. We have therefore unpacked the file. Below is furhter information about the unpacked (de-compressed) file.

File size (compressed) :	223'232 bytes
File size (de-compressed) :	649'728 bytes
Format:	win64/pe
Unpacked file:	e01dcb6a1cf127f207d3dba96ebe5152956bda392104fad8932f24ac45d9f627

Intelligence

File Origin

# of uploads :

# of downloads :

123

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

PEPacker

Details

Link:

https://research.acce.ciphertechsolutions.com/results/63e98748-bcf7-4609-aaab-60ddd0fe155e/

Malware family:

redline

ID:

File name:

0_c36ed034d523da1f54d43176334d4bda9f9adcb940948646b43902a620ebda45.exe

Verdict:

Malicious activity

Analysis date:

2026-03-20 23:34:24 UTC

Tags:

auto redline stealer amadey botnet rdp loader vidar stealc susp-powershell smtp anti-evasion api-base64 xor-url generic upx sainbox rat kamasers udados ms-smartcard credentialflusher telegram maskgram nircmd unlocker-eject tool arch-exec evasion etherhiding fuery delphi lumma fingerprinting phishing

Link:

https://app.any.run/tasks/c7a6a3ca-c26a-48aa-aee4-ea0d83f75072

Note:

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

Gathering data

Detection(s):

SecuriteInfo.com.FileRepMalware.82253753.UNOFFICIAL

Verdict:

Malicious

Score:

95.7%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69be42a193b644ca466c410b

Tags:

ransomware obfuscated virus

Result

Verdict:

Clean

Maliciousness:

Behaviour

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

microsoft_visual_cc obfuscated packed packed packed unsafe upx vidar

Link:

https://www.filescan.io/uploads/69bf327d4678eefbc7b0b15a/reports/30ee71b3-cecb-44f6-be96-297f411f1bae/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/844aa9ac5bd2d5d9517dd7a8fd06f3dbc32a794a3f0973da94c6436764503fd7

Result

Gathering data

Verdict:

Malicious

File Type:

exe x64

Detections:

Trojan-PSW.Win64.Vidar.ml Trojan-PSW.Vidar.HTTP.C&C

Link:

https://opentip.kaspersky.com/844aa9ac5bd2d5d9517dd7a8fd06f3dbc32a794a3f0973da94c6436764503fd7/results?tab=lookup

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/dd09cfbe-dc3e-4637-8efc-7617854c09a1

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/844aa9ac5bd2d5d9517dd7a8fd06f3dbc32a794a3f0973da94c6436764503fd7

Gathering data

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/844aa9ac5bd2d5d9517dd7a8fd06f3dbc32a794a3f0973da94c6436764503fd7/

Verdict:

Malicious

Threat:

Family.STEALC

Link:

https://tip.neiki.dev/file/844aa9ac5bd2d5d9517dd7a8fd06f3dbc32a794a3f0973da94c6436764503fd7

Threat name:

Win64.Spyware.Vidar

Status:

Malicious

First seen:

2026-03-20 22:55:00 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

21 of 36 (58.33%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=qrfktlc32lk5sul526up2bxt3pbsu6kkh4exhwuuyzbwozcqh7lq._file

Result

Malware family:

vidar

Score:

10/10

Tags:

family:vidar botnet:19e8e832e3ef02d91c0db61667edbc26 stealer upx

Link:

https://tria.ge/reports/260322-adwmpaez3p/

Behaviour

UPX packed file

Detects Vidar Stealer

Vidar

Vidar family

Malware Config

C2 Extraction:

https://telegram.me/t22see
https://steamcommunity.com/profiles/76561198727080522

Unpacked files

SH256 hash:

844aa9ac5bd2d5d9517dd7a8fd06f3dbc32a794a3f0973da94c6436764503fd7

MD5 hash:

e81cb76139c95da1e4dd17e749465e3f

SHA1 hash:

f3200ce263dbdec32deeed886ffdad4b1bd597a8

Link:

https://www.unpac.me/results/0a112408-901b-413b-a7c3-d59387deaad0/

SH256 hash:

e01dcb6a1cf127f207d3dba96ebe5152956bda392104fad8932f24ac45d9f627

MD5 hash:

1a91b87981371f7a5a69d7d68f8ec3a9

SHA1 hash:

5f4524025a8c16ee97c53e28dccabdbf1fa397f1

Detections:

SUSP_XORed_URL_In_EXE

SUSP_XORed_Mozilla

Link:

https://www.unpac.me/results/0a112408-901b-413b-a7c3-d59387deaad0/

Parent samples :

e01dcb6a1cf127f207d3dba96ebe5152956bda392104fad8932f24ac45d9f627
844aa9ac5bd2d5d9517dd7a8fd06f3dbc32a794a3f0973da94c6436764503fd7

Malware family:

Vidar

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/844aa9ac5bd2/report/overview.html

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

Threat name:

Malicious File

Score:

0.87

Link:

https://yomi.yoroi.company/submissions/844aa9ac5bd2d5d9517dd7a8fd06f3dbc32a794a3f0973da94c6436764503fd7

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

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

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

Rule name:	dgaagas Create hunting rule
Author:	Harshit
Description:	Uses certutil.exe to download a file named test.txt

Rule name:	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA Create hunting rule
Author:	ditekSHen
Description:	Detects Windows executables referencing non-Windows User-Agents

Rule name:	suspicious_PEs Create hunting rule
Author:	txc
Description:	This rule detected suspicious PE files, based on high entropy and low amount of imported DLLs. This behaviour indicates packed files or files, that hide their true intention.

Rule name:	SUSP_XORed_Mozilla_Oct19 Create hunting rule
Author:	Florian Roth
Description:	Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:	https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()

Rule name:	SUSP_XORed_Mozilla_RID2DB4 Create hunting rule
Author:	Florian Roth
Description:	Detects suspicious XORed keyword - Mozilla/5.0
Reference:	Internal Research

Rule name:	SUSP_XORed_URL_In_EXE Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects an XORed URL in an executable
Reference:	https://twitter.com/stvemillertime/status/1237035794973560834

Rule name:	SUSP_XORed_URL_in_EXE_RID2E46 Create hunting rule
Author:	Florian Roth
Description:	Detects an XORed URL in an executable
Reference:	https://twitter.com/stvemillertime/status/1237035794973560834

Rule name:	telebot_framework Create hunting rule
Author:	vietdx.mb

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

Rule name:	upx_largefile Create hunting rule
Author:	k3nr9

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.