MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 be83d2ef399368140800f80465eddfc8b33fb6edcc3dfe728ee5a09db8929c53. 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: 7

Intelligence 7 IOCs YARA 29 File information Comments

SHA256 hash:	be83d2ef399368140800f80465eddfc8b33fb6edcc3dfe728ee5a09db8929c53
SHA3-384 hash:	83a360a015a25703569cfbac9d8e37ac35387199c168c88f8761a98fb1e9daed111b273f3ffc3eb29a19d05cf0855163
SHA1 hash:	c183fc794ea3938b80447e6d2b41012e8bcb2b98
MD5 hash:	5e8d529f583e42a5b107fa8328b40c55
humanhash:	summer-johnny-oxygen-princess
File name:	install-1.3.zip
Download:	download sample
Signature	Vidar Create hunting rule
File size:	2'936'942 bytes
First seen:	2026-06-27 08:59:32 UTC
Last seen:	Never
File type:	zip
MIME type:	application/zip
ssdeep	49152:PGTKpv3z9oZnzXdOV9O6FqyOxImXJHFeut43EcHgu+7UImgs:+TKpv2BXd8ftOxIaJHJafAu+7ULt
TLSH	T1F2D51268978BE5F6C09C4130215F8BAF3AA185DE47A1820AC7668C6E2DC3FC47F61D56
Magika	zip
Reporter	kejult
Tags:	exe file-pumped Stealc stealer vidar zip

Intelligence

File Origin

# of uploads :

# of downloads :

342

Origin country :

File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:	install-1.3.exe
Pumped file	This file is pumped. MalwareBazaar has de-pumped it.
File size:	1'005'056'384 bytes
SHA256 hash:	0080b5ca7c27e83d5985752cb078d7f0a7cb370f6a2d659a8748aa4a5ebd24a9
MD5 hash:	1bf43da6cc35330ad6494513be2c5f9f
De-pumped file size:	3'663'872 bytes (Vs. original size of 1'005'056'384 bytes)
De-pumped SHA256 hash:	f89d864f7d2382e8e2e34c35ef0b435eb6fd3f1e43cc4c2a9e3d2e96faf452f7
De-pumped MD5 hash:	7e359d8fdd0d72a0971d639c20197d40
MIME type:	application/x-dosexec
Signature	Vidar

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/e846b5e5-4cef-4ac6-974c-450b8512f4e2/

Verdict:

Clean

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6a3f916c1548daf709fa2e58

Tags:

n/a

Result

Verdict:

Malicious

File Type:

ZIP File - Malicious

Link:

https://app.docguard.net/be83d2ef399368140800f80465eddfc8b33fb6edcc3dfe728ee5a09db8929c53/results/dashboard

Behaviour

SuspiciousEmbeddedObjects detected

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

adaptive-context anti-vm bloated golang installer-heuristic large-file overlay packed signed

Link:

https://www.filescan.io/uploads/6a3f914bae20409766ed5976/reports/9195c0d4-5c34-4215-9bf7-b72bbe71cf87/overview

Verdict:

Suspicious

Labled as:

HEUR/Pumpar.Generic

Link:

https://www.hybrid-analysis.com/sample/be83d2ef399368140800f80465eddfc8b33fb6edcc3dfe728ee5a09db8929c53

Score:

Verdict:

Benign

File Type:

Result

Malware family:

n/a

Score:

10/10

Tags:

credential_access discovery spyware stealer

Link:

https://tria.ge/reports/260627-nqfznaas4y/

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

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Legit

Score:

0.13

Link:

https://yomi.yoroi.company/submissions/be83d2ef399368140800f80465eddfc8b33fb6edcc3dfe728ee5a09db8929c53

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:	Any_SU_Domain Create hunting rule
Author:	you
Description:	Detect any reference to .su domains or subdomains

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_Golang_Binary Create hunting rule
Author:	Andrew Morrow
Description:	Detects binaries compiled with Go

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:	goLangMatch3 Create hunting rule

Rule name:	goLangMatch4 Create hunting rule

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_no_import_table Create hunting rule
Description:	Detect pe file that no import table

Rule name:	PK_PUMP_AND_DUMP Create hunting rule
Author:	Will Metcalf @node5
Description:	Walks Zip Central Directory filename entries looking for abused extension then checks for a file that's at least 25M and then check to see how much uncompressed size is vs compressed size

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:	weird_zip_high_compression_ratio Create hunting rule
Author:	Maxime THIEBAUT (@0xThiebaut)
Description:	Detects single-entry ZIP files with a suspiciously high compression ratio (>100:1) and decompressed size above the 500MB AV limit
Reference:	https://twitter.com/Cryptolaemus1/status/1633099154623803394