MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bcb39f99cc8599ef6828599ced2e627998c6777c8792693fce8a0d999e8ce033. 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: 14


Intelligence 14 IOCs YARA 28 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bcb39f99cc8599ef6828599ced2e627998c6777c8792693fce8a0d999e8ce033
SHA3-384 hash: 8e71384231bb57933b441f47038ee909f86bddfc1cf36fedd0226a325e4030e67fccb764bba3e87bf824c48b0dd18b96
SHA1 hash: 725e0630f3131d9e9ef1442fb3012acefa4b4246
MD5 hash: 6a7ee10febe8c58b0db1a2007b5aecde
humanhash: early-high-black-bakerloo
File name:bcb39f99cc8599ef6828599ced2e627998c6777c8792693fce8a0d999e8ce033.bin
Download: download sample
Signature Vidar
Create hunting rule
File size:3'893'752 bytes
First seen:2026-08-14 06:51:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d8b31f8c03e0c76ff245ed05a15ffe6c (345 x Vidar, 15 x RemusStealer, 4 x Stealc)
ssdeep 49152:R4Sbr8UAeu2fj8Vd8Oy+iAFC59SNtrxP1Y4ct43LAhaRe:RsyRgz8OFOCXPKvy3LAgRe
TLSH T1D2068D03EDD15CAAD15AA33288B74692BB3DBC461B2237D32A50B2793F7B3D06935750
TrID 45.6% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
18.0% (.EXE) Win64 Executable (generic) (6522/11/2)
13.9% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.6% (.ICL) Windows Icons Library (generic) (2059/9)
5.6% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter Anonymous
Tags:exe vidar

Intelligence

File Origin
# of uploads :
1
# of downloads :
199
Origin country :
CH CH
Vendor Threat Intelligence
No detections
Malware family:
vidar
Create hunting rule
ID:
1
File name:
Boostrapper_v4.8.2.zip
Verdict:
Malicious activity
Analysis date:
2026-06-20 11:59:44 UTC
Tags:
arch-exec arch-doc stealer stealc vidar
Link:
https://app.any.run/tasks/ab3692a5-424b-4d1e-ac8c-b063e8a44b36

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/81033/
Detection(s):
SecuriteInfo.com.UntrustedCertificate-19.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Launching the default Windows debugger (dwwin.exe)
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug anti-vm base64 crypto golang masquerade mingw overlay packed signed stealer
Link:
https://www.filescan.io/uploads/6a7ebb939cef1a7ee4547f29/reports/47b0684c-ae58-4217-8721-8f3581c27715/overview
Verdict:
Malicious
Labled as:
WinGo/Kryptik.TT trojan
Link:
https://www.hybrid-analysis.com/sample/bcb39f99cc8599ef6828599ced2e627998c6777c8792693fce8a0d999e8ce033
Verdict:
Malicious
File Type:
dll x64
First seen:
2026-06-20T06:56:00Z UTC
Last seen:
2026-08-16T00:41:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/bcb39f99cc8599ef6828599ced2e627998c6777c8792693fce8a0d999e8ce033/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1b8068e7-6f90-4d3e-83b6-82e2bed78237
Score:
88%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bcb39f99cc8599ef6828599ced2e627998c6777c8792693fce8a0d999e8ce033
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/6a7ee10febe8c58b0db1a2007b5aecde
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bcb39f99cc8599ef6828599ced2e627998c6777c8792693fce8a0d999e8ce033/
Threat name:
Win64.Trojan.RemusStealer
Create hunting rule
Status:
Malicious
First seen:
2026-06-20 11:09:38 UTC
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xszz7gomqwm662bilgoo2ltcpgmmm534q6jgsp6origzthum4azq._file
Verdict:
malicious
Label(s):
Vidar
Create hunting rule
Link:
https://reports.threatray.com/0121c93c-dea7-4ae9-9945-39e336454734
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:6386adfe91c9f7632eb90461affeda06 stealer
Link:
https://tria.ge/reports/260814-hn6veaxvcy/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of NtSetInformationThreadHideFromDebugger
Badlisted process makes network request
Family: Vidar
Malware Config
C2 Extraction:
https://178.104.255.247
https://telegram.me/turb00m
https://steamcommunity.com/profiles/76561198689449626
Unpacked files
SH256 hash:
bcb39f99cc8599ef6828599ced2e627998c6777c8792693fce8a0d999e8ce033
MD5 hash:
6a7ee10febe8c58b0db1a2007b5aecde
SHA1 hash:
725e0630f3131d9e9ef1442fb3012acefa4b4246
Link:
https://www.unpac.me/results/66b34ac0-585c-45d9-b12a-cdbd80eade9c/
Malware family:
Vidar
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bcb39f99cc85/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
vidar
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bcb39f99cc8599ef6828599ced2e627998c6777c8792693fce8a0d999e8ce033

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:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:pe_detect_tls_callbacks
Create hunting rule
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: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

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/81033/

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