MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ac4a744474a226111eb13edd6da8f1dd5fc09cf97b3da131af60ff8da801776a. 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
| SHA256 hash: | ac4a744474a226111eb13edd6da8f1dd5fc09cf97b3da131af60ff8da801776a |
|---|---|
| SHA3-384 hash: | 1cf7097660b3e16f8a8ccd87b50521c260486e5d1888d26b0dedb0e7cc2e020837ea2a23ddb12d55d915a00ed995c5cf |
| SHA1 hash: | 186d8e87f507fbd57b9f2479baea683a12a1c740 |
| MD5 hash: | 07cb8d5e213c95df38b383d317a248ae |
| humanhash: | earth-orange-connecticut-arkansas |
| File name: | file |
| Download: | download sample |
| Signature | Vidar |
| File size: | 8'133'248 bytes |
| First seen: | 2025-12-11 16:37:56 UTC |
| Last seen: | 2025-12-11 20:06:17 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | d42595b695fc008ef2c56aabd8efd68e (155 x Vidar, 92 x Rhadamanthys, 74 x Stealc) |
| ssdeep | 49152:miAFzh5IkCYFTDTNGAWzP/TiMdQlzoQXKg61qLJfk4cmLt0aOP25sJmHjZkAf/F1:mlCBCJrOP25sJmD9r |
| Threatray | 215 similar samples on MalwareBazaar |
| TLSH | T19C862AA36FD08A39D48BF23DD96261596134BD0C133221D3AAB50E64FD1A7C45B3BF1A |
| TrID | 44.4% (.EXE) Win64 Executable (generic) (10522/11/4) 21.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 8.7% (.ICL) Windows Icons Library (generic) (2059/9) 8.5% (.EXE) OS/2 Executable (generic) (2029/13) 8.4% (.EXE) Generic Win/DOS Executable (2002/3) |
| Magika | pebin |
| Reporter |  Bitsight |
| Tags: | dropped-by-gcleaner exe ONE.file signed vidar x |
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: | 75 malware samples on MalwareBazaar are signed with this code signing certificate |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | ab1ee6d1ad01d4f1384f4afb635da010d349ec1e00c05a1ba49b0d9776604ac4 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
7
# of downloads :
129
Origin country :
USVendor Threat Intelligence
No detections
Malware family:
vidar
ID:
1
File name:
4967c8714b104e8bb7e5a80582a9e401deb8d4bec82726ad26b6a1ac38e19989.exe
Verdict:
Malicious activity
Analysis date:
2025-12-11 15:47:02 UTC
Tags:
gcleaner loader autoit stealer stealc vidar trojan auto-sch xor-url generic golang auto botnet udados inno installer delphi
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
99.9%
Tags:
ransomware injection emotet obfusc
Verdict:
Suspicious
Labled as:
Infostealer/ACRStealer
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-12-11T07:42:00Z UTC
Last seen:
2025-12-11T20:24:00Z UTC
Hits:
~100
Detections:
VHO:Trojan.Win64.Kryptik.gen Trojan.Win64.Agent.smfcwm Trojan.Win64.Agent.sb PDM:Trojan.Win32.Generic
Verdict:
Suspicious
Score:
55%
Verdict:
Susipicious
File Type:
PE
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Verdict:
Malicious
Threat:
Family.STEALC
Threat name:
Win64.Trojan.Generic
Status:
Suspicious
First seen:
2025-12-11 16:38:18 UTC
File Type:
PE+ (Exe)
Extracted files:
2
AV detection:
6 of 24 (25.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
vidar
Similar samples:
+ 205 additional samples on MalwareBazaar
Result
Malware family:
vidar
Score:
10/10
Tags:
family:vidar botnet:865864b35bb976be59db0a9f70e7678b defense_evasion discovery execution privilege_escalation spyware stealer upx
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Access Token Manipulation: Create Process with Token
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Drops file in Program Files directory
Drops file in Windows directory
UPX packed file
Checks for any installed AV software in registry
Checks installed software on the system
Command and Scripting Interpreter: PowerShell
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Detects Vidar Stealer
Vidar
Vidar family
Malware Config
C2 Extraction:
https://steamcommunity.com/profiles/76561198761022496
Verdict:
Malicious
Tags:
Stealc
YARA:
n/a
Unpacked files
SH256 hash:
ac4a744474a226111eb13edd6da8f1dd5fc09cf97b3da131af60ff8da801776a
MD5 hash:
07cb8d5e213c95df38b383d317a248ae
SHA1 hash:
186d8e87f507fbd57b9f2479baea683a12a1c740
Malware family:
Vidar
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
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: | 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: | HiveRansomware |
|---|---|
| Author: | Dhanunjaya |
| Description: | Yara Rule To Detect Hive V4 Ransomware |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| 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: | 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
Dropped by
Gcleaner
Delivery method
Distributed via web download
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