MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4c8d56dd8df6fd8484935c40dde393bfc1fc2f59bc4d9cee2439fcb1fda7b06. 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: 7


Intelligence 7 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4c8d56dd8df6fd8484935c40dde393bfc1fc2f59bc4d9cee2439fcb1fda7b06
SHA3-384 hash: d6988506d4ddf713ea6370af6b4296286a2bf2b308c04d6fddeca51581954bb99f7b48f9f410a77a13bcfdb30dc0ad8a
SHA1 hash: 30723dc1a65a9e91afbedfb74d0724ee2976f931
MD5 hash: 968d03c467429a65a3bb269f0ab9eda2
humanhash: lactose-carolina-nineteen-fourteen
File name:manji.i486
Download: download sample
Signature Mirai
Create hunting rule
File size:94'608 bytes
First seen:2026-02-04 20:19:41 UTC
Last seen:2026-02-05 05:35:00 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:6slfLU0HVfxJa2sARiH3+gptUS3100x7V/ow0ew6czHcrI:D3pxo23RiHT6kC4wZb0
TLSH T1FC933A45F353E5F1D84705F002ABE73A5A31FD331220D96BDBA4FFE2AD215C2A096229
telfhash t11a4112bb1eba0ce4abe58411c35dab61d90cf73f292436634672e4213762b82507bd3c
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 :
3
# of downloads :
38
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc masquerade rust
Link:
https://www.filescan.io/uploads/6983aa09930564ff3c8afbeb/reports/f8753a94-26cb-48bc-921e-2fc67d48493f/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
9
Number of processes launched:
2
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b4c8d56dd8df6fd8484935c40dde393bfc1fc2f59bc4d9cee2439fcb1fda7b06
Behaviour
Anti-VM
Process Renaming
Anti-Debugging
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d4c96261-0919-4e94-8206-500c59d7b99a
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1863542
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b4c8d56dd8df6fd8484935c40dde393bfc1fc2f59bc4d9cee2439fcb1fda7b06
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b4c8d56dd8df6fd8484935c40dde393bfc1fc2f59bc4d9cee2439fcb1fda7b06/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-02-04 20:20:30 UTC
File Type:
ELF32 Little (Exe)
AV detection:
5 of 36 (13.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wtenk3oy35x5qscjgxca3xrzhp6b7qxvtpcnttxciop4wh62pmda._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm discovery linux
Link:
https://tria.ge/reports/260204-y4k6msdt8b/
Behaviour
Reads runtime system information
Changes its process name
Checks CPU configuration
Traces itself
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/b4c8d56dd8df6fd8484935c40dde393bfc1fc2f59bc4d9cee2439fcb1fda7b06

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_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Mirai_3a56423b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6e8e9257
Create hunting rule
Author:Elastic Security
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 b4c8d56dd8df6fd8484935c40dde393bfc1fc2f59bc4d9cee2439fcb1fda7b06

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3772199/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3772239/

Comments