MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 58c8bfd399a9734077089dd88ef9efc22751ea002461b52ff744180fb3e366f2. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 58c8bfd399a9734077089dd88ef9efc22751ea002461b52ff744180fb3e366f2
SHA3-384 hash: 57b2a5077cec270b6b27d5613d4b9bd0ca5a52f6b0384007981567372251499427291ef6afae4a1c09dd27f5eee539e1
SHA1 hash: 1f3b0bdca85b3476db2d009572cc43e6d969b156
MD5 hash: b01db963647017060bb234d611f97e1a
humanhash: zulu-hydrogen-fifteen-hydrogen
File name:nz.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:91'584 bytes
First seen:2026-07-17 01:43:39 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:9m0L9q1B6mDftrSq1hu9TnTb4UUhL2o2jDthSDH8ku8oeIH:9rBq1BtD6wq5UIORIH
TLSH T15093F781B8824A6AC6E02379E66E718E33A0B3F5D2CF3127DD615B11779518B0D67F81
telfhash t187e06140fe764b1844e75634ecdd07b49511211761664710cf54daf0883f118a31cd5e
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 3f267bfc1659d5ad927a7ba7cc278af09163e102449517040f8269cc4c485b66
File size (compressed) :32'900 bytes
File size (de-compressed) :91'584 bytes
Format:linux/arm
Packed file: 3f267bfc1659d5ad927a7ba7cc278af09163e102449517040f8269cc4c485b66

Intelligence

File Origin
# of uploads :
1
# of downloads :
82
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/2cb4c663-b7e9-4581-b443-8fcb8c43bcbc/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Mirai-10059006-0
Create hunting rule

Unix.Trojan.Mirai-10059216-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bashlite botnet exploit masquerade mirai obfuscated rust
Link:
https://www.filescan.io/uploads/6a5989011e605c22063e2356/reports/08cb8d31-0f44-4937-bf73-a1c64d0c64b9/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-16T19:16:00Z UTC
Last seen:
2026-07-16T19:51:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/58c8bfd399a9734077089dd88ef9efc22751ea002461b52ff744180fb3e366f2/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/56d77414-3856-47da-a446-d607458754a2
Behavior Graph:
Download SVG
%3 guuid=aee25c4c-1900-0000-f2cf-be9c30140000 pid=5168 /usr/bin/sudo guuid=7363044f-1900-0000-f2cf-be9c37140000 pid=5175 /tmp/sample.bin guuid=aee25c4c-1900-0000-f2cf-be9c30140000 pid=5168->guuid=7363044f-1900-0000-f2cf-be9c37140000 pid=5175 execve
Gathering data
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/58c8bfd399a9734077089dd88ef9efc22751ea002461b52ff744180fb3e366f2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/58c8bfd399a9734077089dd88ef9efc22751ea002461b52ff744180fb3e366f2/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-17 01:44:33 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ldel7u4zvfzua5yitxmi56ppyitvd2qaerq3kl7xiqma7m7dm3za._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet
Link:
https://tria.ge/reports/260717-b54m2scy5v/
Malware Config
C2 Extraction:
cgur743.freedynamicdns.org
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/58c8bfd399a9734077089dd88ef9efc22751ea002461b52ff744180fb3e366f2

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Create hunting rule
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 3f267bfc1659d5ad927a7ba7cc278af09163e102449517040f8269cc4c485b66

Mirai

elf 58c8bfd399a9734077089dd88ef9efc22751ea002461b52ff744180fb3e366f2

(this sample)

  
Dropped by
SHA256 3f267bfc1659d5ad927a7ba7cc278af09163e102449517040f8269cc4c485b66
  
URLhaus
https://urlhaus.abuse.ch/url/3887327/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 00a3180dcb1d284914add2c59bd54cb0

Comments