MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8c56b8a1ecfa06186f0d1dc3e566223aba52e282dcce895d493cbe78d9db512. 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 26 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f8c56b8a1ecfa06186f0d1dc3e566223aba52e282dcce895d493cbe78d9db512
SHA3-384 hash: d154895a15e3b1c415c0ce9118a90a4bfb09195924985c7c91ab98971b81466349fd9e14a815809bf5783d41cf19175f
SHA1 hash: 9f4aa0f7bd9dfb8ae72a6e108b7fec2a434ed91e
MD5 hash: 78039a133fe132a8d1bfe231649ae463
humanhash: social-gee-mountain-tennis
File name:file
Download: download sample
Signature Vidar
Create hunting rule
File size:2'936'704 bytes
First seen:2026-07-08 03:32:45 UTC
Last seen:2026-07-09 22:23:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (610 x Vidar, 154 x RemusStealer, 102 x Stealc)
ssdeep 49152:WRXjM09Hv/i4NFvvqy5a+PEHT/BMAsO3rHMh4XVL8lTdgXFA:WRzM7I1vk+PEHlMAsO3rHE4VolTdgVA
Threatray 1 similar samples on MalwareBazaar
TLSH T184D58D0B6CE409EAC4AA533189B651917B70BC594F3227D72E90B7783F72BE1AD36740
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
dhash icon deb168ecb2d4cd7f (2 x Vidar, 1 x Fuery)
Reporter Bitsight
Tags:dropped-by-gcleaner exe G signed US0.file vidar

Code Signing Certificate

Organisation:computrabajo.com
Issuer:computrabajo.com
Algorithm:sha256WithRSAEncryption
Valid from:2026-07-07T18:53:57Z
Valid to:2027-07-07T18:53:57Z
Serial number: 4f035c5f109d102e
Thumbprint Algorithm:SHA256
Thumbprint: a3cbdeacd768cced9d5e4e19a5f04c9304693583c63aa8741add84bbdd6744be
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
Bitsight
url: http://158.94.209.95/service

Intelligence

File Origin
# of uploads :
27
# of downloads :
165
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
vidar
Create hunting rule
ID:
1
File name:
_f8c56b8a1ecfa06186f0d1dc3e566223aba52e282dcce895d493cbe78d9db512.exe
Verdict:
Malicious activity
Analysis date:
2026-07-08 03:34:27 UTC
Tags:
stealer stealc vidar golang
Link:
https://app.any.run/tasks/a9ff8e50-5042-43c7-b20a-98a605ce8855

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/73857/
Detection(s):
SecuriteInfo.com.Win64.Evo-gen.38738484.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
89.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a4dc4eaa900f0e9eb6a7d63
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-vm crypto golang packed signed
Link:
https://www.filescan.io/uploads/6a4dc502759f46dae2fc488c/reports/437048ad-84af-44aa-aae4-6b8777bc9781/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/f8c56b8a1ecfa06186f0d1dc3e566223aba52e282dcce895d493cbe78d9db512
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-07-08T00:42:00Z UTC
Last seen:
2026-07-08T07:14:00Z UTC
Hits:
~100
Detections:
Trojan.Win64.Agent.sb Backdoor.Win64.Gsb.sb Trojan-PSW.Stealerc.TCP.C&C Trojan-PSW.Stealerc.HTTP.C&C Backdoor.Win64.Gsb.cyr
Link:
https://opentip.kaspersky.com/f8c56b8a1ecfa06186f0d1dc3e566223aba52e282dcce895d493cbe78d9db512/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/21e6ac6b-fa84-4af0-a72a-e5687ac940a3
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f8c56b8a1ecfa06186f0d1dc3e566223aba52e282dcce895d493cbe78d9db512
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f8c56b8a1ecfa06186f0d1dc3e566223aba52e282dcce895d493cbe78d9db512/
Verdict:
Malicious
Threat:
Family.STEALC
Link:
https://tip.neiki.dev/file/f8c56b8a1ecfa06186f0d1dc3e566223aba52e282dcce895d493cbe78d9db512
Threat name:
Win64.Trojan.Vidar
Create hunting rule
Status:
Malicious
First seen:
2026-07-08 03:33:34 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7dcwxcq6z6qgdbxq2hod4vtceov2klrifxgorfouspf6pdm5wuja._file
Verdict:
malicious
Label(s):
vidar
Create hunting rule
Similar samples:
error
Vidar
Result
Malware family:
n/a
Score:
  8/10
Tags:
adware persistence ransomware spyware
Link:
https://tria.ge/reports/260708-d4ezeaaz7m/
Behaviour
Checks SCSI registry key(s)
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
Suspicious use of NtSetInformationThreadHideFromDebugger
Enumerates connected drives
Boot or Logon Autostart Execution: Active Setup
Unpacked files
SH256 hash:
f8c56b8a1ecfa06186f0d1dc3e566223aba52e282dcce895d493cbe78d9db512
MD5 hash:
78039a133fe132a8d1bfe231649ae463
SHA1 hash:
9f4aa0f7bd9dfb8ae72a6e108b7fec2a434ed91e
Link:
https://www.unpac.me/results/f32025d3-9d57-4ed4-ab2e-f9f936e7525a/
Malware family:
Vidar
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f8c56b8a1ecf/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.29
Link:
https://yomi.yoroi.company/submissions/f8c56b8a1ecfa06186f0d1dc3e566223aba52e282dcce895d493cbe78d9db512

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
Create hunting rule
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
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:Golangmalware
Create hunting rule
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
Create hunting rule
Rule name:Golang_Find_CSC846
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:HiveRansomware
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RemusStealer_GoPayload
Create hunting rule
Author:burger
Description:Detects RemusStealer Go-compiled payload
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Suspicious_Golang_Binary
Create hunting rule
Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Create hunting rule
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:Vidar
Create hunting rule
Author:kevoreilly
Description:Vidar Payload
Rule name:Windows_Trojan_Vidar_57ae970e
Create hunting rule
Author:Elastic Security

File information

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

Web download

Vidar

Executable exe f8c56b8a1ecfa06186f0d1dc3e566223aba52e282dcce895d493cbe78d9db512

(this sample)

  
Dropped by
Gcleaner
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/73857/

Comments