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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5fc23de4e33fce85a66d90d12cb0b82cf3599010a49a777592f7ca981f8d583. 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: 10


Intelligence 10 IOCs YARA 25 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f5fc23de4e33fce85a66d90d12cb0b82cf3599010a49a777592f7ca981f8d583
SHA3-384 hash: f90f88ec2d81791ca5508e8c536ce0a494dbb86f1922d65d29fa65f7143bae2f995889995aabeae84d6e368bd1604f49
SHA1 hash: a0554691c3fb30a2eba753b76b00f7f92f22241f
MD5 hash: 2e125497b3939077a4decf0dc7d9b4cc
humanhash: nitrogen-red-washington-mirror
File name:f5fc23de4e33fce85a66d90d12cb0b82cf3599010a49a777592f7ca981f8d583.bin
Download: download sample
Signature Vidar
Create hunting rule
File size:4'861'792 bytes
First seen:2026-08-23 16:04:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (1'383 x Vidar, 331 x RemusStealer, 134 x Stealc)
ssdeep 49152:vLwBrgP32Ej8Hmo56jhmLx0iGbu5LMKuHdeADOl:vkYYTTYKuHoFl
TLSH T1F1266A13AE9148F6C0A9E731C8B74209BA74B84D4B3123D72EA1BEB82F713D16E75754
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 Anonymous
Tags:exe vidar

Intelligence

File Origin
# of uploads :
1
# of downloads :
155
Origin country :
CH CH
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/82585/
Detection(s):
SecuriteInfo.com.Win64.Evo-gen.35228359.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Connection attempt to an infection source
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-vm crypto golang masquerade signed
Link:
https://www.filescan.io/uploads/6a8b1a3da9897feb31188974/reports/f81948f2-8def-4335-9233-ac076f715882/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/f5fc23de4e33fce85a66d90d12cb0b82cf3599010a49a777592f7ca981f8d583
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-08-23T11:55:00Z UTC
Last seen:
2026-08-24T20:21:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/f5fc23de4e33fce85a66d90d12cb0b82cf3599010a49a777592f7ca981f8d583/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/57b526e5-d0a4-4fe7-98ca-22b4b14e9c4f
Score:
93%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f5fc23de4e33fce85a66d90d12cb0b82cf3599010a49a777592f7ca981f8d583
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/2e125497b3939077a4decf0dc7d9b4cc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f5fc23de4e33fce85a66d90d12cb0b82cf3599010a49a777592f7ca981f8d583/
Threat name:
Win64.Trojan.Vidar
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Status:
Malicious
First seen:
2026-08-23 15:19:42 UTC
AV detection:
9 of 38 (23.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6x6chxsogp6oqwtg3egrfsylqlhtlgibbje2o52zf56ktapy2wbq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/260823-tjmfrayalg/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of NtSetInformationThreadHideFromDebugger
Unpacked files
SH256 hash:
f5fc23de4e33fce85a66d90d12cb0b82cf3599010a49a777592f7ca981f8d583
MD5 hash:
2e125497b3939077a4decf0dc7d9b4cc
SHA1 hash:
a0554691c3fb30a2eba753b76b00f7f92f22241f
Link:
https://www.unpac.me/results/cd3b8954-6fc1-4407-b29b-9ba8d01acd01/
Malware family:
Vidar
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f5fc23de4e33/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.71
Link:
https://yomi.yoroi.company/submissions/f5fc23de4e33fce85a66d90d12cb0b82cf3599010a49a777592f7ca981f8d583

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
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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
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Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerException__SetConsoleCtrl
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectGoMethodSignatures
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Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
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Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:FreddyBearDropper
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Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:GoBinTest
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Rule name:golang
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Rule name:Golangmalware
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Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
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Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
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Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
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Rule name:Golang_Find_CSC846
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Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
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Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:has_telegram_urls
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Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:HiveRansomware
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Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:PE_Digital_Certificate
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Author:albertzsigovits
Rule name:pe_no_import_table
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Description:Detect pe file that no import table
Rule name:ProgramLanguage_Golang
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Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RemusStealer_GoPayload
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Author:burger
Description:Detects RemusStealer Go-compiled payload
Rule name:SEH__vectored
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA512_Constants
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Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Suspicious_Golang_Binary
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Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
Rule name:ThreadControl__Context
Create hunting rule
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.

Malpedia
Malpedia
https://malpedia.caad.fkie.fraunhofer.de/details/win.vidar
Cape
Cape
https://www.capesandbox.com/analysis/82585/

Comments