MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5740aeaeb6bdd0a66efdb0d296d9cd565f91eddbd76eb7d0728df21b6249517. 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: 15


Intelligence 15 IOCs YARA 13 File information Comments

SHA256 hash: b5740aeaeb6bdd0a66efdb0d296d9cd565f91eddbd76eb7d0728df21b6249517
SHA3-384 hash: 07f8ade9235289753fba61277a051405f5757ccd6b48e4c2ce8bd1af8d2da7f595b01d10099e71e8300cd9613ad82bcc
SHA1 hash: 49b648973c26996557288fbb9df294375172b2e4
MD5 hash: ed253f6e56942b48ac42e874d8df1930
humanhash: lamp-gee-alanine-september
File name:file
Download: download sample
Signature Vidar
File size:207'872 bytes
First seen:2026-01-20 19:00:40 UTC
Last seen:2026-01-20 22:39:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ee53c10aff1d01eafea53328179e33a2 (7 x Vidar)
ssdeep 6144:6ChjupxtL+5aFtfL9h36ibnZa8HWQBQ4cQ5r/9aY:fKg5ajEk6LQVh
TLSH T13A1412A5153C76C2E3FF82B9E2737293AB9A3D47CA0F6BAC51676CAC0771B05A100517
TrID 63.5% (.EXE) UPX compressed Win64 Executable (70117/5/12)
24.5% (.EXE) UPX compressed Win32 Executable (27066/9/6)
4.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.8% (.ICL) Windows Icons Library (generic) (2059/9)
1.8% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter _ilbaroni
Tags:exe UPX vidar
File size (compressed) :207'872 bytes
File size (de-compressed) :598'016 bytes
Format:win64/pe
Unpacked file: c9c930245f0fac2ac7f6fb271c98b8a72d89d10f16ad36979c4611b75c793dc6

Intelligence


File Origin
# of uploads :
9
# of downloads :
114
Origin country :
GB GB
Vendor Threat Intelligence
Malware configuration found for:
PEPacker
Details
PEPacker
a UPX version number and an unpacked binary
Malware family:
ID:
1
File name:
random.exe
Verdict:
Malicious activity
Analysis date:
2026-01-20 00:01:01 UTC
Tags:
stealer stealc vidar xor-url generic upx

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
ransomware obfuscated remo
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-01-19T21:05:00Z UTC
Last seen:
2026-01-22T11:17:00Z UTC
Hits:
~100
Detections:
Trojan-PSW.Win32.Vidar.gle Trojan-PSW.Win32.Vidar.d
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.Znyonm
Status:
Malicious
First seen:
2026-01-20 00:01:16 UTC
File Type:
PE+ (Exe)
Extracted files:
3
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar stealer upx
Behaviour
UPX packed file
Detects Vidar Stealer
Vidar
Vidar family
Unpacked files
SH256 hash:
b5740aeaeb6bdd0a66efdb0d296d9cd565f91eddbd76eb7d0728df21b6249517
MD5 hash:
ed253f6e56942b48ac42e874d8df1930
SHA1 hash:
49b648973c26996557288fbb9df294375172b2e4
SH256 hash:
c9c930245f0fac2ac7f6fb271c98b8a72d89d10f16ad36979c4611b75c793dc6
MD5 hash:
6ff920b6d97e659bc50334e133ec382d
SHA1 hash:
16e1a61851b049d562f2ca955e72e01ce6c2552a
Detections:
SUSP_XORed_URL_In_EXE SUSP_XORed_Mozilla
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: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:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:dgaagas
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:upx_largefile
Author:k3nr9

File information


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

Web download

Vidar

Executable exe b5740aeaeb6bdd0a66efdb0d296d9cd565f91eddbd76eb7d0728df21b6249517

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download

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