MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef1b8a9a693d1e326ecfa2678cae3313143a853bfbf7726bcafd109749aa3ebb. 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 28 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef1b8a9a693d1e326ecfa2678cae3313143a853bfbf7726bcafd109749aa3ebb
SHA3-384 hash: 88e89dcf7d0fea1de89be022abae165cf2e916566d490657f5bb521edcafbf1d2d13d262ecbf5d92e6cf81783d4dee80
SHA1 hash: 6d71af2a371b7017e2ca897dc7445410be073a93
MD5 hash: ad8e49f9c7092c89e027916a70a30e73
humanhash: nineteen-iowa-maryland-summer
File name:ef1b8a9a693d1e326ecfa2678cae3313143a853bfbf7726bcafd109749aa3ebb.bin
Download: download sample
Signature Vidar
Create hunting rule
File size:3'658'664 bytes
First seen:2026-08-11 11:40:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (867 x Vidar, 310 x RemusStealer, 131 x Stealc)
ssdeep 49152:3+g6bY8sSle89A960TfQJR79fN90yvLXz/2t4I+YJzxH8crR:3QYIuTfwIlN+oBR
TLSH T181066C47BCE104FAC069A23088A72A457BB5BC451B3223E71F50B7783EB2BD19D79758
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 Anonymous
Tags:exe signed vidar

Code Signing Certificate

Organisation:www.lojadomecanico.com.br
Issuer:www.lojadomecanico.com.br
Algorithm:sha256WithRSAEncryption
Valid from:2026-06-10T22:22:17Z
Valid to:2027-06-10T22:22:17Z
Serial number: 79590d53dbf06c40
Thumbprint Algorithm:SHA256
Thumbprint: 17593d1eb3a95200158a265d6786ab31a67d0997334d137cb7ce911651f37031
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
128
Origin country :
CH CH
Vendor Threat Intelligence
No detections
Detection:
Vidar
Create hunting rule
Link:
https://www.capesandbox.com/analysis/80286/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Behavior that indicates a threat
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-vm base64 crypto golang masquerade signed
Link:
https://www.filescan.io/uploads/6a7b0aac4d0e928aec88df0b/reports/83bd4417-8869-4e2d-ba7b-08f18913cbb6/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/ef1b8a9a693d1e326ecfa2678cae3313143a853bfbf7726bcafd109749aa3ebb
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-06-10T21:02:00Z UTC
Last seen:
2026-06-12T14:54:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/ef1b8a9a693d1e326ecfa2678cae3313143a853bfbf7726bcafd109749aa3ebb/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e92093a7-5624-4bb3-a134-e85ea849dd8b
Score:
95%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ef1b8a9a693d1e326ecfa2678cae3313143a853bfbf7726bcafd109749aa3ebb
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef1b8a9a693d1e326ecfa2678cae3313143a853bfbf7726bcafd109749aa3ebb/
Threat name:
Win64.Trojan.Vidar
Create hunting rule
Status:
Malicious
First seen:
2026-07-11 10:59:00 UTC
File Type:
PE+ (Exe)
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=54nyvgtjhupde3wpujtyzlrtcmkdvbj37p3xe26k7uijosnkh25q._file
Verdict:
malicious
Label(s):
Vidar
Create hunting rule
Link:
https://reports.threatray.com/e59b0570-59bf-4837-a8ae-db6e24be14a0
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:b6a47070798772c5cd02f424d52b455b stealer
Link:
https://tria.ge/reports/260811-ntpe7ssckh/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of NtSetInformationThreadHideFromDebugger
Family: Vidar
Malware Config
C2 Extraction:
https://telegram.me/d77xtr
https://steamcommunity.com/profiles/76561198694566254
Unpacked files
SH256 hash:
ef1b8a9a693d1e326ecfa2678cae3313143a853bfbf7726bcafd109749aa3ebb
MD5 hash:
ad8e49f9c7092c89e027916a70a30e73
SHA1 hash:
6d71af2a371b7017e2ca897dc7445410be073a93
Link:
https://www.unpac.me/results/2c2fd704-11a4-44ef-98bc-7e95940e7d93/
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/ef1b8a9a693d1e326ecfa2678cae3313143a853bfbf7726bcafd109749aa3ebb

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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
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: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: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/
Rule name:Vidar
Create hunting rule
Author:kevoreilly
Description:Vidar Payload
Rule name:Windows_Trojan_Vidar_57ae970e
Create hunting rule
Author:Elastic Security

File information

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

Malpedia
Malpedia
https://malpedia.caad.fkie.fraunhofer.de/details/win.vidar
Cape
Cape
https://www.capesandbox.com/analysis/80286/

Comments