MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5fb37c3c5ee96158d4bcee6495d526e2a283d2b7c4247ec10698aa7e4ccf50e2. 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



Threat unknown


Vendor detections: 6


Intelligence 6 IOCs YARA 25 File information Comments

SHA256 hash: 5fb37c3c5ee96158d4bcee6495d526e2a283d2b7c4247ec10698aa7e4ccf50e2
SHA3-384 hash: 79f42cd78dbf26b6c45aa701a6d0e06284fc1f8a8b9a237e5bd41fb2306966242c6fe1f6e3d6e8918bc04c18ea708fb4
SHA1 hash: a8c537800e335ace3be38a7b2f2a3f09acc6ad63
MD5 hash: 6b866c0f8b7306f0b2a599ef6817afb1
humanhash: carpet-iowa-bulldog-lithium
File name:vulcan_386
Download: download sample
File size:7'286'968 bytes
First seen:2026-05-28 20:32:48 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 49152:ug+dgQWp2LMyHNVXOLespgpjr1HSpsVxZzhK2taiMwUHLChb1vBgRKkMoB86mnos:R3QW+8wp1DFDqL+5kGaMbEE
TLSH T191762810FECB50F6E903197144ABA22F63316D054F24EBE7EB447F2AF97B6911932219
telfhash t151f2d473059c64ec67e0440786af7524cff6e0b726f039f159e6b8c09a72c839726978
gimphash e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 d02b9d4d13df17ee401069adca3f51cc9f53af1ae78f1c6569bfa82230460bf0
File size (compressed) :2'189'428 bytes
File size (de-compressed) :7'286'968 bytes
Format:linux/i386
Packed file: d02b9d4d13df17ee401069adca3f51cc9f53af1ae78f1c6569bfa82230460bf0

Intelligence


File Origin
# of uploads :
1
# of downloads :
69
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a process from a recently created file
Connection attempt
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-05-28T18:36:00Z UTC
Last seen:
2026-05-28T18:48:00Z UTC
Hits:
~10
Result
Threat name:
n/a
Detection:
clean
Classification:
n/a
Score:
0 / 100
Behaviour
Behavior Graph:
n/a
Threat name:
Linux.Trojan.Multiverze
Status:
Malicious
First seen:
2026-05-28 20:34:41 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 37 (43.24%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion discovery execution linux persistence privilege_escalation
Behaviour
GoLang User-Agent
Enumerates kernel/hardware configuration
Reads runtime system information
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Modifies init.d
Modifies systemd
Writes file to system bin folder
Contacts a large (9282) amount of remote hosts
Creates a large amount of network flows
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:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:DetectGoMethodSignatures
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:dsc
Author:Aaron DeVera
Description:Discord domains
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:EXPL_Log4j_CVE_2021_44228_Dec21_Soft
Author:Florian Roth (Nextron Systems)
Description:Detects indicators in server logs that indicate an exploitation attempt of CVE-2021-44228
Reference:https://twitter.com/h113sdx/status/1469010902183661568?s=20
Rule name:F01_s1ckrule
Author:s1ckb017
Rule name:GoBinTest
Rule name:golang
Rule name:golang_binary_string
Description:Golang strings present
Rule name:Golang_Find_CSC846
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:identity_golang
Author:Eric Yocam
Description:find Golang malware
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:ProgramLanguage_Golang
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Suspicious_Golang_Binary
Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
Rule name:telebot_framework
Author:vietdx.mb
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information


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

Web download

elf 5fb37c3c5ee96158d4bcee6495d526e2a283d2b7c4247ec10698aa7e4ccf50e2

(this sample)

  
Delivery method
Distributed via web download

Comments