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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b58a73c0429abca5e8d2e3f26c84befe17d47ef29b7da8d7e2b39ca3d6b1aec0. 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


Mirai


Vendor detections: 8


Intelligence 8 IOCs YARA 19 File information Comments
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SHA256 hash: b58a73c0429abca5e8d2e3f26c84befe17d47ef29b7da8d7e2b39ca3d6b1aec0
SHA3-384 hash: ab90c441df8478707457ebd08f97f673220214b0942fa53bb5bbbc2a4a580403a91e3e14c744df063d8d1176c40dba0f
SHA1 hash: 6a422e0a7734db011d59b51955b82629f24e633c
MD5 hash: bdbbdf5d6a846b67a0bff41617f6b2d1
humanhash: fourteen-march-summer-island
File name:riscv64
Download: download sample
Signature Mirai
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File size:399'608 bytes
First seen:2026-10-20 05:06:57 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 6144:1/gRAKkgVCi/tCjUd19WfXbicjGzz79w/FAK1ovLCzJ+a9X5:1gRAPKR3bKrA7zbCt+a9X5
TLSH T1B0844B8C92F1E3CEE158EA7953217C1A5C72463B3093728A619EF97313AB1944AFDD70
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 mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
75
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
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SecuriteInfo.com.Linux.Mirai-44.UNOFFICIAL
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YARA.SIGNATURE_BASE_SUSP_LNX_Linux_Malware_Indicators_Aug20_1.UNOFFICIAL
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Gathering data
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-10-20T01:16:00Z UTC
Last seen:
2026-10-22T01:14:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b58a73c0429abca5e8d2e3f26c84befe17d47ef29b7da8d7e2b39ca3d6b1aec0/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/2d0dfe12-846b-4c04-afec-776de5ff9488
Behavior Graph:
Download SVG
%3 guuid=fd5ba55c-1700-0000-f8a3-85800b0d0000 pid=3339 /usr/bin/sudo guuid=a29d405e-1700-0000-f8a3-8580130d0000 pid=3347 /tmp/sample.bin guuid=fd5ba55c-1700-0000-f8a3-85800b0d0000 pid=3339->guuid=a29d405e-1700-0000-f8a3-8580130d0000 pid=3347 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/92f563de-c287-434f-9537-95c73dd77702
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b58a73c0429abca5e8d2e3f26c84befe17d47ef29b7da8d7e2b39ca3d6b1aec0
Detection:
mirai
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Link:
https://mwdb.cert.pl/sample/b58a73c0429abca5e8d2e3f26c84befe17d47ef29b7da8d7e2b39ca3d6b1aec0/
Threat name:
Linux.Exploit.DirtyFrag
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Status:
Malicious
First seen:
2026-10-20 05:07:18 UTC
File Type:
ELF64 Little (SO)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wwfhhqcctk6kl2gs4pzgzbf67yl5i7xstn62rv7cwookhvvrv3aa._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai botnet linux
Link:
https://tria.ge/reports/261020-fr4s4svv8k/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/b58a73c0429abca5e8d2e3f26c84befe17d47ef29b7da8d7e2b39ca3d6b1aec0

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
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Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:Detect_all_IPv6_variants
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Author:Bierchermuesli
Description:Generic IPv6 catcher
Rule name:ELF_IoT_Persistence_Hunt
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Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Packer_Dropper_Fileless_Armhf
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Author:Serhii Kocherhan
Description:Detects obfuscated Linux ELF packers/droppers featuring ChaCha20/RC4 decryption, memfd_create/execveat fileless execution capabilities, and unique binary artifacts.
Rule name:enterpriseapps2
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Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:exploit_any_poppopret
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Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:EXPL_HKTL_LNX_DirtyFragShellcode_May26
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Author:Pezier Pierre-Henri (Nextron Systems)
Description:Detects a shellcode observed in dirtyfrag, a local privilege escalation exploit for Linux.
Reference:https://github.com/V4bel/dirtyfrag/tree/master
Rule name:EXPL_LNX_DirtyFrag_ForensicArtefacts_May26
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Author:Florian Roth
Description:Detects DirtyFrag exploit code POC usage in Linux environments
Reference:https://github.com/V4bel/dirtyfrag/tree/master
Rule name:Linux_Exploit_CVE_2018_10562_badc0676
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Author:Elastic Security
Description:Exploit code used in the ZeroBot malware
Rule name:Linux_Exploit_CVE_2021_46422_69af1b79
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Author:Elastic Security
Description:Exploit code used in the ZeroBot malware
Rule name:MIRAI_OHSHIT_payload
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Author:AfterPacket
Description:MIRAI_OHSHIT ELF payload -- compiled-in C2 set, all architectures
Reference:https://github.com/Afterpacket/drosera-threat-intel
Rule name:NSVPS_Hydra_SSH_Bruteforce
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Author:sanad (NSVPS-SOC)
Description:Hydra SSH brute-force campaign credentials pattern from NSVPS honeypot
Rule name:RANSOMWARE
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Author:ToroGuitar
Rule name:setsockopt
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Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA512_Constants
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Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:SUSP_LNX_Linux_Malware_Indicators_Aug20_1
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Author:Florian Roth (Nextron Systems)
Description:Detects indicators often found in linux malware samples. Note: This detection is based on common characteristics typically associated with the mentioned threats, must be considered a clue and does not conclusively prove maliciousness.
Reference:Internal Research
Rule name:SUSP_LNX_Linux_Malware_Indicators_Aug20_1_RID3621
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Author:Florian Roth
Description:Detects indicators often found in linux malware samples
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
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Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
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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

Mirai

elf b58a73c0429abca5e8d2e3f26c84befe17d47ef29b7da8d7e2b39ca3d6b1aec0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3947510/
  
Delivery method
Distributed via web download

Comments