MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5ef623d696ac40bb710cd841fb558136c8325401b08cc680f8cb56fc16bc9917. 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


Intelligence 14 IOCs YARA 33 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5ef623d696ac40bb710cd841fb558136c8325401b08cc680f8cb56fc16bc9917
SHA3-384 hash: f56ce4b3ae7d321376be7a8bff78b9e34f966492478a574ed82b34b4fcac470a6242eb1199818b549f6ec0be1c30c6ad
SHA1 hash: b75cea61c33a17eaa5877799d01533a2baa202ce
MD5 hash: 742da938ad02627dc96a328a53bc8a1c
humanhash: nineteen-yellow-stream-rugby
File name:file
Download: download sample
Signature Vidar
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File size:2'397'824 bytes
First seen:2026-05-29 00:22:53 UTC
Last seen:2026-05-29 11:16:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (392 x Vidar, 94 x Stealc, 92 x Rhadamanthys)
ssdeep 49152:Fictft7sqeAObaMzJ+rwyBf+i/M9qn8WlX3+p:FTMdaSJ+rwyBfS9qn8WlH+
TLSH T102B57D0B7CE049EAC0AA633289A362927B75B8490F3223D72E50B77D3F72AD45D75744
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 Bitsight
Tags:a dropped-by-gcleaner exe PMIX0.file signed vidar

Code Signing Certificate

Organisation:quiverquant.com
Issuer:WE1
Algorithm:sha256WithRSAEncryption
Valid from:2026-05-09T21:13:51Z
Valid to:2026-08-07T22:13:46Z
Serial number: 10f69e50b05b14f30ebf139155b65887
Intelligence: 23 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 2c841b42c5947a2a82a3847b162b43157e2149120b5e1e477f30ad83823f6edd
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 :
5
# of downloads :
168
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
vidar
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ID:
1
File name:
_5ef623d696ac40bb710cd841fb558136c8325401b08cc680f8cb56fc16bc9917.exe
Verdict:
Malicious activity
Analysis date:
2026-05-29 00:23:46 UTC
Tags:
stealer stealc vidar golang loader themida amsi-bypass xmrig miner hijackloader susp-powershell winring0-sys vuln-driver
Link:
https://app.any.run/tasks/596d8639-1476-4ad3-b285-9bd1a73df262

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/68374/
Detection(s):
SecuriteInfo.com.Win64.Evo-gen.55537146.UNOFFICIAL
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Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a18dc7a33dfa243d40aa28f
Tags:
xtreme shell lien sage
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Behavior that indicates a threat
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/6a18dc78099ef368af0a4442/reports/6e09ad96-fb09-4b72-94e9-b3bd8934d736/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/5ef623d696ac40bb710cd841fb558136c8325401b08cc680f8cb56fc16bc9917
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-05-28T21:34:00Z UTC
Last seen:
2026-05-30T05:19:00Z UTC
Hits:
~10
Detections:
Backdoor.Win64.Gsb.sb Backdoor.Win64.Gsb.gen
Link:
https://opentip.kaspersky.com/5ef623d696ac40bb710cd841fb558136c8325401b08cc680f8cb56fc16bc9917/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/4ca126c4-2e3f-4368-8153-527110db9db8
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5ef623d696ac40bb710cd841fb558136c8325401b08cc680f8cb56fc16bc9917
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5ef623d696ac40bb710cd841fb558136c8325401b08cc680f8cb56fc16bc9917/
Verdict:
Malicious
Threat:
Family.STEALC
Link:
https://tip.neiki.dev/file/5ef623d696ac40bb710cd841fb558136c8325401b08cc680f8cb56fc16bc9917
Threat name:
Win64.Trojan.Egairtigado
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Status:
Malicious
First seen:
2026-05-29 00:23:39 UTC
File Type:
PE+ (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l33chvuwvralw4im3ba7wvmbg3edevabwcgmnahyznlpyfv4telq._file
Verdict:
malicious
Label(s):
unc_go_loader_002
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Similar samples:
error
Vidar
Result
Malware family:
n/a
Score:
  10/10
Tags:
credential_access discovery spyware stealer
Link:
https://tria.ge/reports/260529-apm5paex6j/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
System Time Discovery
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks installed software on the system
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Suspicious use of NtCreateProcessExOtherParentProcess
Unpacked files
SH256 hash:
5ef623d696ac40bb710cd841fb558136c8325401b08cc680f8cb56fc16bc9917
MD5 hash:
742da938ad02627dc96a328a53bc8a1c
SHA1 hash:
b75cea61c33a17eaa5877799d01533a2baa202ce
Link:
https://www.unpac.me/results/42b73eb4-fa8f-455e-81a2-7507244400fe/
Malware family:
HijackLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5ef623d696ac/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5ef623d696ac40bb710cd841fb558136c8325401b08cc680f8cb56fc16bc9917

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:Check_Dlls
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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
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Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__QueryInfo
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
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:dgaagas
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Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
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
Create hunting rule
Rule name:Golangmalware
Create hunting rule
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
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:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:PE_Digital_Certificate
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Author:albertzsigovits
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
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Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
Rule name:Sus_CMD_Powershell_Usage
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Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:telebot_framework
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Author:vietdx.mb
Rule name:ThreadControl__Context
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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:VECT_Ransomware
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Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

File information

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

Web download

Vidar

Executable exe 5ef623d696ac40bb710cd841fb558136c8325401b08cc680f8cb56fc16bc9917

(this sample)

  
Dropped by
Gcleaner
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/68374/

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