MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b20a1623d92c0791afef7916fe1758be58f69fd7cff850b7bee31aec0b60a39a. 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 34 File information Comments

SHA256 hash: b20a1623d92c0791afef7916fe1758be58f69fd7cff850b7bee31aec0b60a39a
SHA3-384 hash: 3a63b91a70f435b94a1dbbc3564303f1cee70172e73b3d71902545197d2f3b5ef9e8a7d1b0c1f4ea990780f289a77ad5
SHA1 hash: ca6c9197bb567b8ac208332e80cdb9ae629863f0
MD5 hash: 30bc14db5e40d0f38d13c56c1f466d99
humanhash: video-cardinal-early-wolfram
File name:file
Download: download sample
Signature Vidar
File size:1'920'640 bytes
First seen:2026-03-31 09:32:02 UTC
Last seen:2026-04-02 00:34:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (236 x Vidar, 92 x Rhadamanthys, 89 x Stealc)
ssdeep 24576:/BgndUIheQwAXtQyLazcQjwrXPLyg9NkFHzo/+nSV3GRWdtNbXwyO:/BgdUIymLL7QIXV9NxQSVH3wH
TLSH T17C958C4B7CE044BAD0AA53328CB25292BB76F81A1B3273D32F50A6783F76BD05975354
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:a dropped-by-gcleaner exe MIX2.file signed vidar

Code Signing Certificate

Organisation:postman.com
Issuer:E7
Algorithm:sha256WithRSAEncryption
Valid from:2026-03-20T08:56:12Z
Valid to:2026-06-18T08:56:11Z
Serial number: 06bbd3a23ec82777e98d3190de57b2509371
Intelligence: 10 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: c26b4c20f9aa48a95f9560249d743bcee1a672738b823b5be484607dcf19e753
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 :
48
# of downloads :
208
Origin country :
US US
Vendor Threat Intelligence
Gathering data
Malware family:
ID:
1
File name:
_b20a1623d92c0791afef7916fe1758be58f69fd7cff850b7bee31aec0b60a39a.exe
Verdict:
Malicious activity
Analysis date:
2026-03-31 09:32:43 UTC
Tags:
vidar stealer telegram stealc golang

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
ransomware bitcoin remo
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context anti-vm golang packed signed
Verdict:
Clean
File Type:
exe x64
First seen:
2026-03-31T07:45:00Z UTC
Last seen:
2026-04-02T05:37:00Z UTC
Hits:
~10
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Spyware.Vidar
Status:
Suspicious
First seen:
2026-03-31 09:32:21 UTC
File Type:
PE+ (Exe)
AV detection:
5 of 24 (20.83%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar botnet:29662d89c1aadb9770e567488c2558b8 collection defense_evasion discovery spyware stealer trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
System Time Discovery
Drops file in Windows directory
Accesses Microsoft Outlook profiles
Checks installed software on the system
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Detects Vidar Stealer
Vidar
Vidar family
Malware Config
C2 Extraction:
https://t.me/pslruhf
https://telegram.me/p74kol
https://steamcommunity.com/profiles/76561198721902688
Unpacked files
SH256 hash:
b20a1623d92c0791afef7916fe1758be58f69fd7cff850b7bee31aec0b60a39a
MD5 hash:
30bc14db5e40d0f38d13c56c1f466d99
SHA1 hash:
ca6c9197bb567b8ac208332e80cdb9ae629863f0
Please note that we are no longer able to provide a coverage score for Virus Total.

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
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
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:DetectGoMethodSignatures
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:dgaagas
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:GoBinTest
Rule name:golang
Rule name:Golangmalware
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
Rule name:Golang_Find_CSC846
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:has_telegram_urls
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:HiveRansomware
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:ProgramLanguage_Golang
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Suspicious_Golang_Binary
Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
Rule name:SUSP_XORed_URL_In_EXE
Author:Florian Roth (Nextron Systems)
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:telebot_framework
Author:vietdx.mb
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
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:VECT_Ransomware
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

File information


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

Web download

Vidar

Executable exe b20a1623d92c0791afef7916fe1758be58f69fd7cff850b7bee31aec0b60a39a

(this sample)

  
Dropped by
Gcleaner
  
Delivery method
Distributed via web download

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