MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ef0202d0b3b7cc2e39f47074faf010eb831198cd9588f7ce702722d8e24323b. 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: 9


Intelligence 9 IOCs YARA 25 File information Comments

SHA256 hash: 4ef0202d0b3b7cc2e39f47074faf010eb831198cd9588f7ce702722d8e24323b
SHA3-384 hash: 52476523f4ea2ef2629997495e75a5c8820f06852f061e7705c5524e2c6ed9ef9aef6f4e6aca4e1baa98206df823d7a6
SHA1 hash: 958eefeff9afa4cba33397fc766b75b8d045ba58
MD5 hash: d2d9876e5fc4e14fb6767bb7e9e00521
humanhash: eleven-stairway-jupiter-bluebird
File name:yakuza.x86
Download: download sample
Signature Mirai
File size:98'102 bytes
First seen:2026-02-25 01:33:58 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:rHL8u2nHRpTjxe2oeLOOtyrEOLywA7irlD3rZ/G3rlphai6wh7pTmZhm:Pd2nDFe2oeLOOtJYyhAD3rZSrlphai6g
TLSH T169A36C2BA641C9BAC08752F627DBA6516923B83E0B33714773D5BCA53F218C94E5E780
telfhash t159d0cd0bb7a2561dba711875796c04b50156d33566402b119f5551804e760163875f1b
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 gafgyt mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
77
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bashlite gafgyt gcc masquerade mirai obfuscated
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
9
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=23814cad-1600-0000-4447-209e03100000 pid=4099 /usr/bin/sudo guuid=8911c7af-1600-0000-4447-209e0f100000 pid=4111 /tmp/sample.bin guuid=23814cad-1600-0000-4447-209e03100000 pid=4099->guuid=8911c7af-1600-0000-4447-209e0f100000 pid=4111 execve guuid=a438e7af-1600-0000-4447-209e10100000 pid=4112 /tmp/sample.bin guuid=8911c7af-1600-0000-4447-209e0f100000 pid=4111->guuid=a438e7af-1600-0000-4447-209e10100000 pid=4112 clone guuid=3f81ecaf-1600-0000-4447-209e12100000 pid=4114 /tmp/sample.bin guuid=a438e7af-1600-0000-4447-209e10100000 pid=4112->guuid=3f81ecaf-1600-0000-4447-209e12100000 pid=4114 clone guuid=4e46f1af-1600-0000-4447-209e13100000 pid=4115 /tmp/sample.bin net zombie guuid=3f81ecaf-1600-0000-4447-209e12100000 pid=4114->guuid=4e46f1af-1600-0000-4447-209e13100000 pid=4115 clone fddcfd21-97bd-5f51-9415-03b210fd9508 103.211.218.101:23 guuid=4e46f1af-1600-0000-4447-209e13100000 pid=4115->fddcfd21-97bd-5f51-9415-03b210fd9508 con guuid=aee97ad6-1e00-0000-4447-209e8f140000 pid=5263 /tmp/sample.bin net zombie guuid=4e46f1af-1600-0000-4447-209e13100000 pid=4115->guuid=aee97ad6-1e00-0000-4447-209e8f140000 pid=5263 clone guuid=aee97ad6-1e00-0000-4447-209e8f140000 pid=5263->fddcfd21-97bd-5f51-9415-03b210fd9508 con
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1874493 Sample: yakuza.x86.elf Startdate: 25/02/2026 Architecture: LINUX Score: 72 41 169.254.169.254, 80 USDOSUS Reserved 2->41 43 103.211.218.101, 23 PUBLIC-DOMAIN-REGISTRYUS Seychelles 2->43 45 5 other IPs or domains 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 Yara detected Mirai 2->53 15 yakuza.x86.elf 2->15         started        17 dash rm 2->17         started        19 dash rm 2->19         started        21 python3.8 dpkg 2->21         started        signatures3 process4 process5 23 yakuza.x86.elf 15->23         started        process6 25 yakuza.x86.elf 23->25         started        process7 27 yakuza.x86.elf 25->27         started        process8 29 yakuza.x86.elf 27->29         started        process9 31 yakuza.x86.elf 29->31         started        process10 33 yakuza.x86.elf 31->33         started        process11 35 yakuza.x86.elf 33->35         started        process12 37 yakuza.x86.elf 35->37         started        process13 39 yakuza.x86.elf 37->39         started       
Threat name:
Linux.Trojan.Gafgyt
Status:
Malicious
First seen:
2026-02-25 01:34:25 UTC
File Type:
ELF64 Little (Exe)
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  4/10
Tags:
linux
Behaviour
Changes its process name
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:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_09c3070e
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_148b91a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_32eb0c81
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_656bf077
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_779e142f
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a0a4de11
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a6a2adb9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_dd0d6173
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_e0673a90
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_f3d83a74
Author:Elastic Security
Rule name:NET
Author:malware-lu
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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

Mirai

elf 4ef0202d0b3b7cc2e39f47074faf010eb831198cd9588f7ce702722d8e24323b

(this sample)

  
Delivery method
Distributed via web download

Comments