MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a1f0a85c1bf49cf095fe1d50878187b85ba2e7f72b1380d09cb1d377c2e7212. 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: 13


Intelligence 13 IOCs YARA 30 File information Comments

SHA256 hash: 4a1f0a85c1bf49cf095fe1d50878187b85ba2e7f72b1380d09cb1d377c2e7212
SHA3-384 hash: 12b0866874389702bf9c692631b5adaa982d18d87d92151db220e560afabed474a99963b18ac8d5ac28bf01bad0982db
SHA1 hash: da9428264c7ee72ad97cfb0592fa465ec4b5e5ca
MD5 hash: 9422d3bcf95077bee73e839768ba0a75
humanhash: carpet-kilo-neptune-ten
File name:4a1f0a85c1bf49cf095fe1d50878187b85ba2e7f72b1380d09cb1d377c2e7212.exe
Download: download sample
Signature Vidar
File size:2'367'152 bytes
First seen:2026-04-20 06:30:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ebc247a77b4d4a804b261f97a1fd075c (91 x Vidar, 26 x Smoke Loader, 20 x RemusStealer)
ssdeep 49152:F0WcOvbF9yCpW6+Qd1adHQvxZv3Ya0sZtW4COLs:F0kzbyvQpZvN4
Threatray 274 similar samples on MalwareBazaar
TLSH T14BB58C0BACD428F6C86E97328DB625927B71F84D0B3263D71E41AA782FB6BD05C75314
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 abuse_ch
Tags:exe signed vidar

Code Signing Certificate

Organisation:www.fox.com
Issuer:Certainly Intermediate R1
Algorithm:sha256WithRSAEncryption
Valid from:2026-04-10T10:57:52Z
Valid to:2026-05-10T10:57:51Z
Serial number: 7933a9291afcd850de9cdcdf2b1d9da08dd2
Intelligence: 7 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: e2674dfd4eb6cbd3809dc87ff569fc0d0fe38bedad547f59459da63be8721b19
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
158
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Malware family:
ID:
1
File name:
4a1f0a85c1bf49cf095fe1d50878187b85ba2e7f72b1380d09cb1d377c2e7212.exe
Verdict:
Malicious activity
Analysis date:
2026-04-19 01:48:44 UTC
Tags:
vidar stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
ransomware injection dridex virus
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Gathering data
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-04-18T17:10:00Z UTC
Last seen:
2026-04-20T23:38:00Z UTC
Hits:
~100
Detections:
Trojan.Win64.Agent.sb Trojan-PSW.Stealerc.TCP.C&C Trojan-PSW.Stealerc.HTTP.C&C Backdoor.Win64.Gsb.rc Backdoor.Win64.Gsb.sb Backdoor.Win64.Gsb.gen
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious PE digital signature
Allocates memory in foreign processes
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Monitors registry run keys for changes
Multi AV Scanner detection for submitted file
Potentially malicious time measurement code found
Queues an APC in another process (thread injection)
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1900877 Sample: CB4mpXZWGt.exe Startdate: 20/04/2026 Architecture: WINDOWS Score: 100 68 Suricata IDS alerts for network traffic 2->68 70 Multi AV Scanner detection for submitted file 2->70 72 Yara detected Vidar stealer 2->72 74 3 other signatures 2->74 7 CB4mpXZWGt.exe 21 2->7         started        11 msedge.exe 637 2->11         started        13 msedge.exe 2->13         started        15 msedge.exe 8 2->15         started        process3 dnsIp4 46 159.69.23.17, 443, 49690, 49691 HETZNER-ASDE Germany 7->46 76 Tries to harvest and steal browser information (history, passwords, etc) 7->76 78 Writes to foreign memory regions 7->78 80 Allocates memory in foreign processes 7->80 82 6 other signatures 7->82 17 msedge.exe 2 12 7->17         started        20 msedge.exe 10 7->20         started        22 msedge.exe 7->22         started        24 chrome.exe 3 7->24         started        48 192.168.2.6, 443, 49683, 49690 unknown unknown 11->48 50 239.255.255.250 unknown Reserved 11->50 26 msedge.exe 11->26         started        33 4 other processes 11->33 29 msedge.exe 13->29         started        35 4 other processes 13->35 31 msedge.exe 15->31         started        signatures5 process6 dnsIp7 66 Monitors registry run keys for changes 17->66 37 msedge.exe 17->37         started        39 msedge.exe 20->39         started        41 msedge.exe 22->41         started        43 chrome.exe 24->43         started        52 13.107.213.40, 443, 49747, 49806 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 26->52 54 part-0012.t-0009.t-msedge.net 13.107.246.40, 443, 49702, 49732 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 26->54 60 39 other IPs or domains 26->60 56 23.55.176.236 NTT-COMMUNICATIONS-2914US United States 29->56 58 ln-0002.ln-msedge.net 150.171.22.12, 443, 49817 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 29->58 62 42 other IPs or domains 29->62 signatures8 process9 dnsIp10 64 www.google.com 142.251.155.119, 443, 49713, 49717 GOOGLEUS United States 43->64
Gathering data
Threat name:
Win64.Trojan.Ravartar
Status:
Malicious
First seen:
2026-04-18 22:10:53 UTC
File Type:
PE+ (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar collection discovery spyware stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
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
Enumerates physical storage devices
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
Family: Vidar
Unpacked files
SH256 hash:
4a1f0a85c1bf49cf095fe1d50878187b85ba2e7f72b1380d09cb1d377c2e7212
MD5 hash:
9422d3bcf95077bee73e839768ba0a75
SHA1 hash:
da9428264c7ee72ad97cfb0592fa465ec4b5e5ca
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: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_Find_CSC846
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Author:Ashar Siddiqui
Description:Find Go Signatuers
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: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: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.

Comments