MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b439e2a9907cfd13986a635cdec3b0562680abdc6178b822df2b43aeba8723b3. 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: 5


Intelligence 5 IOCs YARA 3 File information Comments

SHA256 hash: b439e2a9907cfd13986a635cdec3b0562680abdc6178b822df2b43aeba8723b3
SHA3-384 hash: 4de9d908cf3c40e5d32d2a952fe542b87ded47f522263b0ed9c510a62365d88d9a6fae4ec34d0e10214507c41a48dc5a
SHA1 hash: ccf3ced77519e1eebb25c98db3fd5556657a1e20
MD5 hash: 64b33c759d3cb46888f59f86951af2b5
humanhash: shade-early-gee-purple
File name:okayu.vtuber
Download: download sample
File size:1'789'072 bytes
First seen:2025-08-18 10:58:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 24576:Fb8YYa3i+UKY5eBW/0npZ9YSiWtxZTxv99m4v34jN2BU3hwBoYvxiKGjY:58YYwiD/0pZntxZTxLfn86BoYv0K/
TLSH T1C185332F78EDC1F8921A4EB8E4BD688DADE4C21801F79A5516E5842D2AD37F3D70D8D0
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

Intelligence


File Origin
# of uploads :
1
# of downloads :
21
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Status:
terminated
Behavior Graph:
%3 guuid=5f8f21d5-1a00-0000-cd12-507eb10b0000 pid=2993 /usr/bin/sudo guuid=535a6dd7-1a00-0000-cd12-507eb70b0000 pid=2999 /tmp/sample.bin mprotect-exec guuid=5f8f21d5-1a00-0000-cd12-507eb10b0000 pid=2993->guuid=535a6dd7-1a00-0000-cd12-507eb70b0000 pid=2999 execve guuid=535a6dd7-1a00-0000-cd12-507eb70b0000 pid=3074 /tmp/sample.bin guuid=535a6dd7-1a00-0000-cd12-507eb70b0000 pid=2999->guuid=535a6dd7-1a00-0000-cd12-507eb70b0000 pid=3074 clone guuid=535a6dd7-1a00-0000-cd12-507eb70b0000 pid=3075 /tmp/sample.bin guuid=535a6dd7-1a00-0000-cd12-507eb70b0000 pid=2999->guuid=535a6dd7-1a00-0000-cd12-507eb70b0000 pid=3075 clone guuid=535a6dd7-1a00-0000-cd12-507eb70b0000 pid=3076 /tmp/sample.bin guuid=535a6dd7-1a00-0000-cd12-507eb70b0000 pid=2999->guuid=535a6dd7-1a00-0000-cd12-507eb70b0000 pid=3076 clone guuid=535a6dd7-1a00-0000-cd12-507eb70b0000 pid=3077 /tmp/sample.bin guuid=535a6dd7-1a00-0000-cd12-507eb70b0000 pid=2999->guuid=535a6dd7-1a00-0000-cd12-507eb70b0000 pid=3077 clone
Result
Threat name:
n/a
Detection:
suspicious
Classification:
evad
Score:
21 / 100
Signature
Sample is packed with UPX
Behaviour
Behavior Graph:
Threat name:
Linux.Trojan.Multiverze
Status:
Malicious
First seen:
2025-08-15 00:06:24 UTC
File Type:
ELF64 Little (Exe)
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery linux upx
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
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:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

elf b439e2a9907cfd13986a635cdec3b0562680abdc6178b822df2b43aeba8723b3

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments