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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef684ef8bf90c0d89217b3373f64253dc8056dab0dd871555e5fcabe7671cbf4. 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: 9


Intelligence 9 IOCs YARA 24 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef684ef8bf90c0d89217b3373f64253dc8056dab0dd871555e5fcabe7671cbf4
SHA3-384 hash: 07c23888840bc2770bedeec0fdaae9ae8b29309e64c4a1fed8a07c1dc229085de092c77d9bddf648c038370c19e22008
SHA1 hash: ad630836facc7b850ea1b91dfda96bf1cc2f3803
MD5 hash: afee8b1b35405c2cbf5be6ea4d515561
humanhash: apart-fanta-wyoming-fourteen
File name:ef684ef8bf90c0d89217b3373f64253dc8056dab0dd871555e5fcabe7671cbf4.bin
Download: download sample
Signature Vidar
Create hunting rule
File size:8'054'704 bytes
First seen:2026-09-03 04:34:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f0ea7b7844bbc5bfa9bb32efdcea957c (125 x Vidar, 68 x Sliver, 30 x RemusStealer)
ssdeep 49152:49vA0+xoVDlPrb/TgvO90d7HjmAFd4A64nsfJO88LH5tZmVXKPtbyRK4Xv7U0eU5:nw5qZmVTRr7UfcotxHbLVWV
TLSH T172867D47BA94A090C1E9D638C5B611217B64B8899B3433F33F91AAB12F333D56F79B50
TrID 37.0% (.EXE) Win64 Executable (generic) (6522/11/2)
28.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
11.5% (.EXE) OS/2 Executable (generic) (2029/13)
11.3% (.EXE) Generic Win/DOS Executable (2002/3)
11.3% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
Reporter Anonymous
Tags:exe signed vidar

Code Signing Certificate

Organisation:Aurora Craft Holdings
Issuer:Aurora Craft Holdings
Algorithm:sha256WithRSAEncryption
Valid from:2026-08-26T20:16:50Z
Valid to:2027-09-02T20:16:50Z
Serial number: bb35366b71489f79d2c22b3b4b5b0d3a
Thumbprint Algorithm:SHA256
Thumbprint: aa791e735e38c81ca7af127078d4533f6ffef367c87a55a3ce5ce29a25bb7b41
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
224
Origin country :
CH CH
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
No threats detected
Analysis date:
2026-09-03 04:38:30 UTC
Tags:
telegram
Link:
https://app.any.run/tasks/cdf170c3-9fae-4a49-a56a-d5eca21b0a3f

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/83731/
Detection(s):
SecuriteInfo.com.Win64.Malware-gen.43551566.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Connection attempt to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm golang invalid-signature masquerade self-signed-cert signed
Link:
https://www.filescan.io/uploads/6a98f9066ded2ef313954fca/reports/96a83994-3f03-46bd-b0f8-aa36d528853f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/ef684ef8bf90c0d89217b3373f64253dc8056dab0dd871555e5fcabe7671cbf4
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-09-02T23:30:00Z UTC
Last seen:
2026-09-03T01:37:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/ef684ef8bf90c0d89217b3373f64253dc8056dab0dd871555e5fcabe7671cbf4/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0ea16bb6-0e75-4521-8416-dbdcae136310
Score:
81%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ef684ef8bf90c0d89217b3373f64253dc8056dab0dd871555e5fcabe7671cbf4
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/afee8b1b35405c2cbf5be6ea4d515561
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef684ef8bf90c0d89217b3373f64253dc8056dab0dd871555e5fcabe7671cbf4/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=55ue56f7sdanreqxwm3t6zbfhxeak3nlbxmhcvk6l7fl45trzp2a._file
Verdict:
malicious
Label(s):
Vidar
Create hunting rule
Link:
https://reports.threatray.com/3b866e50-142d-4862-aebb-bacda161a55a
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/260903-e7s6watzd1/
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
ef684ef8bf90c0d89217b3373f64253dc8056dab0dd871555e5fcabe7671cbf4
MD5 hash:
afee8b1b35405c2cbf5be6ea4d515561
SHA1 hash:
ad630836facc7b850ea1b91dfda96bf1cc2f3803
Link:
https://www.unpac.me/results/45cdde12-474c-4ce5-8cef-3bad3a92bde5/
Malware family:
Vidar
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ef684ef8bf90/report/overview.html
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/ef684ef8bf90c0d89217b3373f64253dc8056dab0dd871555e5fcabe7671cbf4

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: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:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
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:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 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

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/83731/

Comments