MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81a7fcaf38d46174cb5e2989fb65dcb00242e07b3456daa58519bcedb569fe8b. 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 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81a7fcaf38d46174cb5e2989fb65dcb00242e07b3456daa58519bcedb569fe8b
SHA3-384 hash: 13d441cd9b5ac0de66982ed43e86e0716ddd947c32a38a9022d8d7ba309ac16b280115ee2c3d3665191e5c95b4dcaf2b
SHA1 hash: 8a9d3c5d35246c2bf3549e3fea441eff6477a917
MD5 hash: 733ba7e3742a8e57c8d8f1f8bac23680
humanhash: mirror-sink-single-indigo
File name:file
Download: download sample
Signature Vidar
Create hunting rule
File size:3'327'840 bytes
First seen:2026-06-19 17:43:51 UTC
Last seen:2026-06-19 21:20:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (490 x Vidar, 96 x Stealc, 92 x Rhadamanthys)
ssdeep 24576:cLoLigv2d6zr20avihC5G7hYxGclgtA7powfaWdgN1iqElD6t/7o9x3YLsko4Z22:soL7+EX2TiIc7yjJpoIr9lDAskfy+830
Threatray 38 similar samples on MalwareBazaar
TLSH T11FF58D17ACD509FAC5AA633548B3A5827B71BC592B3227D32E60B3783F726D0AD31714
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 Bitsight
Tags:b dropped-by-gcleaner exe PMIX0.file signed vidar

Code Signing Certificate

Organisation:heja.io
Issuer:heja.io
Algorithm:sha256WithRSAEncryption
Valid from:2026-06-19T11:20:51Z
Valid to:2027-06-19T11:20:51Z
Serial number: 071f1472f807464f
Thumbprint Algorithm:SHA256
Thumbprint: ce4d892de4f78128a228e9f1b472d3e4da95b2dc2658f15586d85ef31a17749b
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
Bitsight
url: http://158.94.209.95/service

Intelligence

File Origin
# of uploads :
7
# of downloads :
135
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
vidar
Create hunting rule
ID:
1
File name:
_81a7fcaf38d46174cb5e2989fb65dcb00242e07b3456daa58519bcedb569fe8b.exe
Verdict:
Malicious activity
Analysis date:
2026-06-19 17:46:48 UTC
Tags:
stealer stealc vidar golang
Link:
https://app.any.run/tasks/be7f498d-0f76-4b8c-918b-29b95c4be1da

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/71265/
Detection(s):
SecuriteInfo.com.Win64.Evo-gen.65229862.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a357ffc86bc95245bf7d7f1
Tags:
vmdetect lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Launching a service
Behavior that indicates a threat
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-vm base64 crypto golang infostealer signed
Link:
https://www.filescan.io/uploads/6a357ff89799578a6c42644e/reports/760eb73a-e581-4b4a-911e-715b2800d18e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/81a7fcaf38d46174cb5e2989fb65dcb00242e07b3456daa58519bcedb569fe8b
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-06-19T15:07:00Z UTC
Last seen:
2026-06-21T15:32:00Z UTC
Hits:
~100
Detections:
Trojan-Banker.Bandra.TCP.C&C Trojan.Win64.Agent.smgnkn Trojan.Win64.Agent.sb Trojan-PSW.Vidar.HTTP.C&C Trojan-PSW.Stealerc.TCP.C&C Trojan-PSW.Stealerc.HTTP.C&C Trojan-PSW.Lumma.TCP.C&C
Link:
https://opentip.kaspersky.com/81a7fcaf38d46174cb5e2989fb65dcb00242e07b3456daa58519bcedb569fe8b/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/27b5e38e-a154-4df4-996e-8101e4b09d6d
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/81a7fcaf38d46174cb5e2989fb65dcb00242e07b3456daa58519bcedb569fe8b
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81a7fcaf38d46174cb5e2989fb65dcb00242e07b3456daa58519bcedb569fe8b/
Verdict:
Malicious
Threat:
Family.STEALC
Link:
https://tip.neiki.dev/file/81a7fcaf38d46174cb5e2989fb65dcb00242e07b3456daa58519bcedb569fe8b
Threat name:
Win64.Spyware.Vidar
Create hunting rule
Status:
Suspicious
First seen:
2026-06-19 17:44:32 UTC
File Type:
PE+ (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qgt7zlzy2rqxjs26fge7wzo4wabefyd3grlnvjmfdg6o3nlj72fq._file
Verdict:
malicious
Label(s):
vidar
Create hunting rule
Similar samples:
59d181abf742f564d5b94f4e433edc983774308bddd0ceb6f4e7caf42601ed12
Vidar
7747af7cc821341d62e88d21c71cf518bc2e9dd890328c89e5d16357eace1a14
Vidar
7d3e7557601cf4959f17d53987e0fc98be9cc513c0a2a04a182c928f22811cd9
Vidar
8cd675930a7d61f4444c1ff94334b93e8d5b855de644f7b58c597aed46fbadce
Vidar
8dad6a8959c22110eedb059425dd4040c9b7a1d60dfc8a3ad0b5f17a995ed472
Vidar
9f6c51cd8fa0323a43f333e55a4566c99e87a3cde09a11281aeaff77749a528e
Vidar
da8f3c1a601a97001962064e9125f7a515045eca3746a7de037f411fa1651dbb
Vidar
ded171b246ef80c7811a15ff629233cc7ffc6f50528216d726fbd1e2a66bba73
Vidar
error
Vidar
+ 28 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/260619-wber2sh16n/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of NtSetInformationThreadHideFromDebugger
Unpacked files
SH256 hash:
81a7fcaf38d46174cb5e2989fb65dcb00242e07b3456daa58519bcedb569fe8b
MD5 hash:
733ba7e3742a8e57c8d8f1f8bac23680
SHA1 hash:
8a9d3c5d35246c2bf3549e3fea441eff6477a917
Link:
https://www.unpac.me/results/08df29c1-cea4-41b8-abaf-6e2e8255ba31/
Malware family:
IDATLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/81a7fcaf38d4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.71
Link:
https://yomi.yoroi.company/submissions/81a7fcaf38d46174cb5e2989fb65dcb00242e07b3456daa58519bcedb569fe8b

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: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: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:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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: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 81a7fcaf38d46174cb5e2989fb65dcb00242e07b3456daa58519bcedb569fe8b

(this sample)

  
Dropped by
Gcleaner
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/71265/

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