MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ef2ddeb4c377ddcb0e05e10d2fb067f52dd6a4a7bb2edcca8e4f9c50a622ec9. 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: 13


Intelligence 13 IOCs YARA 25 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8ef2ddeb4c377ddcb0e05e10d2fb067f52dd6a4a7bb2edcca8e4f9c50a622ec9
SHA3-384 hash: 308046a52d2439a15d72be925ef29134b6c7946d2b385284e7c21797a38d08c720e32bcee1d180abd8274b30efcce9ca
SHA1 hash: 709c21f1a200c142b82986234cef01f6e6ad7178
MD5 hash: 59dc4bc8103c1dac67137371ba8d3eff
humanhash: mockingbird-foxtrot-five-zulu
File name:update.exe
Download: download sample
Signature Vidar
Create hunting rule
File size:3'351'176 bytes
First seen:2026-06-09 10:28:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (413 x Vidar, 94 x Stealc, 92 x Rhadamanthys)
ssdeep 49152:41sUtFqVn6sNwOuAaPqZb3o7uXJ3HGBF5uSlZzc9T4Rt4Asn4Q:4BpY93o7I3HGBF59lZzc9T4X4As4Q
TLSH T1D7F56C03A89409EDD0A4723154F67962FB25BC490B3927DB1FA26B746E76BC06CB7F04
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 burger
Tags:exe signed vidar

Code Signing Certificate

Organisation:mobileklinik.ca
Issuer:R12
Algorithm:sha256WithRSAEncryption
Valid from:2026-04-30T21:29:45Z
Valid to:2026-07-29T21:29:44Z
Serial number: 053ec8c02e3e75c52d3ed04568a0e8f21a5f
Thumbprint Algorithm:SHA256
Thumbprint: d7501fc34b903f793da24592fbdf81f12e32e954201d7371748d9d3d2c0653a0
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
116
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Malware family:
vidar
Create hunting rule
ID:
1
File name:
update.exe
Verdict:
Malicious activity
Analysis date:
2026-06-09 10:28:28 UTC
Tags:
stealer stealc vidar golang attachments attc-unc
Link:
https://app.any.run/tasks/5eb65982-5e9d-420e-967d-ce65c737f48e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Vidar
Create hunting rule
Link:
https://www.capesandbox.com/analysis/70280/
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a27eacb34eaf30d8ce4345a
Tags:
injection obfusc lien sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Сreating synchronization primitives
DNS request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-vm crypto golang packed signed
Link:
https://www.filescan.io/uploads/6a27eb0b1f652d68657219b2/reports/5d65c56c-a036-4f32-9594-de40d052faa1/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/8ef2ddeb4c377ddcb0e05e10d2fb067f52dd6a4a7bb2edcca8e4f9c50a622ec9
Verdict:
Clean
File Type:
exe x64
Link:
https://opentip.kaspersky.com/8ef2ddeb4c377ddcb0e05e10d2fb067f52dd6a4a7bb2edcca8e4f9c50a622ec9/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/6ceea54f-186f-42b3-9b63-6d5425d7dfd9
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1925026
Signature
AI detected suspicious PE digital signature
Antivirus detection for dropped file
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)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Potentially malicious time measurement code found
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Unusual module load detection (module proxying)
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1925026 Sample: update.exe Startdate: 09/06/2026 Architecture: WINDOWS Score: 100 30 sm188wins.buzz 2->30 32 nxx.glamisdunesrentals.com 2->32 34 4 other IPs or domains 2->34 48 Suricata IDS alerts for network traffic 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 6 other signatures 2->54 9 update.exe 1 15 2->9         started        signatures3 process4 dnsIp5 38 hardenedom.shop 104.21.37.250, 443, 49702, 49703 CLOUDFLARENET-CloudflareIncUS Canada 9->38 40 nxx.glamisdunesrentals.com 172.67.206.138, 443, 49693, 49695 CLOUDFLARENET-CloudflareIncUS Canada 9->40 42 2 other IPs or domains 9->42 28 C:\Users\user\AppData\Local\...\6e674053.exe, PE32+ 9->28 dropped 62 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 9->62 64 Found many strings related to Crypto-Wallets (likely being stolen) 9->64 66 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->66 68 7 other signatures 9->68 14 cmd.exe 1 9->14         started        file6 signatures7 process8 process9 16 6e674053.exe 1 4 14->16         started        20 conhost.exe 14->20         started        file10 26 C:\ProgramData\HwMonitor\...\health_svc.dll, PE32+ 16->26 dropped 44 Tries to detect virtualization through RDTSC time measurements 16->44 46 Potentially malicious time measurement code found 16->46 22 rundll32.exe 10 3 16->22         started        signatures11 process12 dnsIp13 36 cal.joycedoula.com.br 104.21.52.96, 443, 49704 CLOUDFLARENET-CloudflareIncUS Canada 22->36 56 System process connects to network (likely due to code injection or exploit) 22->56 58 Hides threads from debuggers 22->58 60 Potentially malicious time measurement code found 22->60 signatures14
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8ef2ddeb4c377ddcb0e05e10d2fb067f52dd6a4a7bb2edcca8e4f9c50a622ec9
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8ef2ddeb4c377ddcb0e05e10d2fb067f52dd6a4a7bb2edcca8e4f9c50a622ec9/
Verdict:
Malicious
Threat:
Family.STEALC
Link:
https://tip.neiki.dev/file/8ef2ddeb4c377ddcb0e05e10d2fb067f52dd6a4a7bb2edcca8e4f9c50a622ec9
Threat name:
Win64.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-06-09 10:28:40 UTC
File Type:
PE+ (Exe)
AV detection:
6 of 36 (16.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r3zn322mg565zmhalyinf6ygp5jn22skpozo3tfi4t44kctcf3eq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery spyware stealer trojan
Link:
https://tria.ge/reports/260609-mh1hnagy2t/
Behaviour
Checks processor information in registry
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Browser Information Discovery
Modifies trusted root certificate store through registry
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks installed software on the system
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Unpacked files
SH256 hash:
8ef2ddeb4c377ddcb0e05e10d2fb067f52dd6a4a7bb2edcca8e4f9c50a622ec9
MD5 hash:
59dc4bc8103c1dac67137371ba8d3eff
SHA1 hash:
709c21f1a200c142b82986234cef01f6e6ad7178
Link:
https://www.unpac.me/results/154d3a62-091a-4e34-9470-2c70b4e05aaa/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/8ef2ddeb4c377ddcb0e05e10d2fb067f52dd6a4a7bb2edcca8e4f9c50a622ec9

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: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: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_Go_GOMAXPROCS
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
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_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RemusStealer_GoPayload
Create hunting rule
Author:burger
Description:Detects RemusStealer Go-compiled payload
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: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:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/

File information

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

Web download

Vidar

Executable exe 8ef2ddeb4c377ddcb0e05e10d2fb067f52dd6a4a7bb2edcca8e4f9c50a622ec9

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/70280/

Comments