MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a84c53037ecf5ba9db3d05ed58d835a960973dfba8946c94e9bfa6838ee12a4b. 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: 16


Intelligence 16 IOCs YARA 25 File information Comments

SHA256 hash: a84c53037ecf5ba9db3d05ed58d835a960973dfba8946c94e9bfa6838ee12a4b
SHA3-384 hash: ecd52d89ab1a3ebeb6fae1706045dee5eb6c7795cec85cbc6ad85843648d54eb6201c328ae0c489a74ba8f0f655d9759
SHA1 hash: dc2014ab3653e07344d20dde248ffe45bb86939e
MD5 hash: d994ab0bb21c653f2e22e94e8f457835
humanhash: winter-batman-william-louisiana
File name:file
Download: download sample
Signature Vidar
File size:8'932'480 bytes
First seen:2025-12-11 00:02:30 UTC
Last seen:2025-12-16 03:21:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 4035d2883e01d64f3e7a9dccb1d63af5 (47 x ServHelper, 29 x Vidar, 20 x LummaStealer)
ssdeep 49152:BWxAK3xWyq9jEIzWzdzMrq1KcUR6ykdU6xK1X:lK3x5q2I+dgr0KcYJ
TLSH T10B962992BD558665C59BF2349162A2F1BB31BC0943303AD76ED45A990C3BAC0273FF2D
gimphash e41c4606f3b413db197bb623b57a9bead2540a76e181839bd80da4d1a4d25798
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter Bitsight
Tags:dropped-by-Stealc exe jopa signed vidar

Code Signing Certificate

Organisation:githab.com
Issuer:R13
Algorithm:sha256WithRSAEncryption
Valid from:2025-10-16T07:06:41Z
Valid to:2026-01-14T07:06:40Z
Serial number: 06811e3acd8227232ee58a61ecd714a9b643
Intelligence: 74 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 105fae9ee02cf9d84880840b99bdcf4d1488076f82a411eeb67e50713d1fa66a
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
Bitsight
url: https://joyeriatauro.com/modelo/v1d.exe

Intelligence


File Origin
# of uploads :
20
# of downloads :
151
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2025-12-11 00:07:17 UTC
Tags:
stealer stealc vidar xor-url generic golang api-base64

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 emotet obfusc
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context anti-vm crypto golang signed
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-12-10T16:06:00Z UTC
Last seen:
2025-12-12T20:09:00Z UTC
Hits:
~100
Detections:
VHO:Trojan.Win64.Agent.gen Trojan.Win64.Agent.smfcqz BSS:Trojan.Win32.Generic Trojan.Win64.Agent.sb
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Malware.Heuristic
Status:
Malicious
First seen:
2025-12-10 20:25:13 UTC
File Type:
PE+ (Exe)
Extracted files:
2
AV detection:
15 of 24 (62.50%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:vidar botnet:dadf4dfb4414faa707e84357dfba40dd discovery spyware stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Drops file in Windows directory
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://steamcommunity.com/profiles/76561198761022496
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a84c53037ecf5ba9db3d05ed58d835a960973dfba8946c94e9bfa6838ee12a4b
MD5 hash:
d994ab0bb21c653f2e22e94e8f457835
SHA1 hash:
dc2014ab3653e07344d20dde248ffe45bb86939e
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:dependsonpythonailib
Author:Tim Brown
Description:Hunts for dependencies on Python AI libraries
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:Detect_Go_GOMAXPROCS
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
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:HiveRansomware
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:identity_golang
Author:Eric Yocam
Description:find Golang malware
Rule name:PE_Digital_Certificate
Author:albertzsigovits
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: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:ThreadControl__Context
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.

Web download

Vidar

Executable exe a84c53037ecf5ba9db3d05ed58d835a960973dfba8946c94e9bfa6838ee12a4b

(this sample)

  
Dropped by
StealC
  
Delivery method
Distributed via web download

Comments