MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a15044541cc9587c61dc7fbfa613b03045d323cc643d4fd08d8351d7cdd80a32. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a15044541cc9587c61dc7fbfa613b03045d323cc643d4fd08d8351d7cdd80a32
SHA3-384 hash: b39ae7c4f91602751668ef4343fef6c2a2c0151dd2fc1ff514a153fab06c45096395ecca368a851faff2e997feba7385
SHA1 hash: d6668d8a3f43e0032ed5332fbaf8aa4c539e665d
MD5 hash: 4686e59c5ef10e6da5f3f0546996c713
humanhash: bacon-fix-salami-orange
File name:file
Download: download sample
Signature Vidar
Create hunting rule
File size:616'448 bytes
First seen:2026-03-11 11:27:26 UTC
Last seen:2026-03-11 12:56:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 57594b14471500698dd38c5d2e664b86 (6 x Vidar)
ssdeep 12288:ZU2FJXk2WjWnLFTM5rdwhFmdV8Bew2/1gdu:m2bXk2WjwBM5+XBew2/a
TLSH T1DFD42B7DAC50F326F70C90BBE286E3535E6178410636A99319BEE72001458B39B5B7FE
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 upx-dec vidar


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 a6edec8bb8a1de71eff27deecd7aae78ef4514dc8e2ed3dd83aeaf25a7e4a188
File size (compressed) :215'552 bytes
File size (de-compressed) :616'448 bytes
Format:win64/pe
Packed file: a6edec8bb8a1de71eff27deecd7aae78ef4514dc8e2ed3dd83aeaf25a7e4a188

Intelligence

File Origin
# of uploads :
2
# of downloads :
221
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Vidar
Details
Vidar
c2 urls, useragents, c2 handshake magic parameters, a version, and a missionid
Link:
https://research.acce.ciphertechsolutions.com/results/e47dff06-f074-4892-8137-a4a624b17adf/
Malware family:
vidar
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2026-03-11 11:29:54 UTC
Tags:
stealer stealc vidar xor-url generic
Link:
https://app.any.run/tasks/0f414aa7-88ee-4ae7-b324-34394510e37e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/57048/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Vidar.349.10014.25063.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69b151aa9872190419bf4c2d
Tags:
ransomware obfuscated dropper
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug base64 fingerprint obfuscated vidar zusy
Link:
https://www.filescan.io/uploads/69b151d94ec2f522cc45e491/reports/5d03c8c2-052d-40f0-b5d1-62e1eff6e113/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/a15044541cc9587c61dc7fbfa613b03045d323cc643d4fd08d8351d7cdd80a32
Verdict:
Malicious
File Type:
exe x64
Detections:
Trojan-PSW.Vidar.HTTP.C&C Trojan-PSW.Stealerc.TCP.C&C Trojan-PSW.Stealerc.HTTP.C&C Trojan-Downloader.Agent.TCP.C&C Trojan-PSW.Win64.Vidar.eu
Link:
https://opentip.kaspersky.com/a15044541cc9587c61dc7fbfa613b03045d323cc643d4fd08d8351d7cdd80a32/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b2adb7cd-ab4e-4252-bfce-cedef6e9d681
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1881883
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to detect sleep reduction / modifications
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Monitors registry run keys for changes
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1881883 Sample: file.exe Startdate: 11/03/2026 Architecture: WINDOWS Score: 100 48 dgg.ssffaa18.xyz 2->48 50 telegram.me 2->50 52 fg.microsoft.map.fastly.net 2->52 78 Suricata IDS alerts for network traffic 2->78 80 Found malware configuration 2->80 82 Antivirus detection for URL or domain 2->82 86 6 other signatures 2->86 8 file.exe 28 2->8         started        12 msedge.exe 70 533 2->12         started        14 msedge.exe 8 2->14         started        16 2 other processes 2->16 signatures3 84 Performs DNS queries to domains with low reputation 48->84 process4 dnsIp5 62 dgg.ssffaa18.xyz 172.67.146.61, 443, 49719, 49722 CLOUDFLARENETUS United States 8->62 64 telegram.me 149.154.167.99, 443, 49718 TELEGRAMRU United Kingdom 8->64 88 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 8->88 90 Tries to steal Mail credentials (via file / registry access) 8->90 92 Found many strings related to Crypto-Wallets (likely being stolen) 8->92 94 8 other signatures 8->94 18 msedge.exe 2 19 8->18         started        21 msedge.exe 9 8->21         started        23 chrome.exe 2 8->23         started        66 192.168.2.7 unknown unknown 12->66 68 239.255.255.250 unknown Reserved 12->68 26 msedge.exe 12->26         started        29 msedge.exe 12->29         started        31 msedge.exe 12->31         started        35 2 other processes 12->35 33 msedge.exe 14->33         started        37 2 other processes 16->37 signatures6 process7 dnsIp8 76 Monitors registry run keys for changes 18->76 39 msedge.exe 18->39         started        41 msedge.exe 21->41         started        54 192.168.2.4, 138, 443, 49350 unknown unknown 23->54 43 chrome.exe 23->43         started        56 mr-b01.tm-azurefd.net 150.171.109.147, 443, 49728, 49766 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 26->56 58 ln-0007.ln-msedge.net 150.171.22.17, 443, 49772, 49773 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 26->58 60 31 other IPs or domains 26->60 46 C:\Users\user\AppData\Local\...\Cookies, SQLite 26->46 dropped file9 signatures10 process11 dnsIp12 70 www.google.com 142.251.181.99, 443, 49740, 49741 GOOGLEUS United States 43->70 72 ogads-pa.clients6.google.com 192.178.164.95, 443, 49762 GOOGLEUS United States 43->72 74 2 other IPs or domains 43->74
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a15044541cc9587c61dc7fbfa613b03045d323cc643d4fd08d8351d7cdd80a32
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a15044541cc9587c61dc7fbfa613b03045d323cc643d4fd08d8351d7cdd80a32/
Verdict:
Malicious
Threat:
Family.STEALC
Link:
https://tip.neiki.dev/file/a15044541cc9587c61dc7fbfa613b03045d323cc643d4fd08d8351d7cdd80a32
Threat name:
Win64.Trojan.Vidar
Create hunting rule
Status:
Malicious
First seen:
2026-03-11 11:28:27 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ufieiva4zfmhyyo4p672me5qgbc5gi6mmq6u7uenqni5ptoybiza._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/260311-nk7kesds5y/
Unpacked files
SH256 hash:
a15044541cc9587c61dc7fbfa613b03045d323cc643d4fd08d8351d7cdd80a32
MD5 hash:
4686e59c5ef10e6da5f3f0546996c713
SHA1 hash:
d6668d8a3f43e0032ed5332fbaf8aa4c539e665d
Detections:
SUSP_XORed_URL_In_EXE
Create hunting rule
SUSP_XORed_Mozilla
Create hunting rule
Link:
https://www.unpac.me/results/67e44b87-3153-4d7e-ad0e-c587f0962655/
Parent samples :
a6edec8bb8a1de71eff27deecd7aae78ef4514dc8e2ed3dd83aeaf25a7e4a188
a15044541cc9587c61dc7fbfa613b03045d323cc643d4fd08d8351d7cdd80a32
Malware family:
Vidar
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a15044541cc9/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a15044541cc9587c61dc7fbfa613b03045d323cc643d4fd08d8351d7cdd80a32

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_Debugger
Create hunting rule
Rule name:DebuggerCheck__API
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: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:sus_pe_free_without_allocation
Create hunting rule
Author:Maxime THIEBAUT (@0xThiebaut)
Description:Detects an executable importing functions to free memory without importing allocation functions, often indicative of dynamic import resolution

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Vidar

Executable exe a6edec8bb8a1de71eff27deecd7aae78ef4514dc8e2ed3dd83aeaf25a7e4a188

Vidar

Executable exe a15044541cc9587c61dc7fbfa613b03045d323cc643d4fd08d8351d7cdd80a32

(this sample)

  
Dropped by
SHA256 a6edec8bb8a1de71eff27deecd7aae78ef4514dc8e2ed3dd83aeaf25a7e4a188
  
URLhaus
https://urlhaus.abuse.ch/url/3794150/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/57048/
  
Dropped by
MD5 d9e4fd224f5f112ff42113fc8098bb16
  
URLhaus
https://urlhaus.abuse.ch/url/3794646/

Comments