MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cab834a3eaded326daf98f42cc4deda6e27c3c2422c3a16fd3edfb5b8a16438e. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cab834a3eaded326daf98f42cc4deda6e27c3c2422c3a16fd3edfb5b8a16438e
SHA3-384 hash: 561b4a5698ee35bedd38c8bd0e562365ea8c9a53e7f007773d98c6a7424b69812889000fbf6b68af7bdb29e97e09b838
SHA1 hash: 3ae0f9d9b6f6f32cd21019a64337a482456d4975
MD5 hash: 657ac26477066fc73c3e40f4dcb1885a
humanhash: ceiling-ceiling-oven-south
File name:Polar.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:229'384 bytes
First seen:2026-01-17 19:27:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:Dm5865ttFLruRxAYlsmhgD+8u+UKECnl2aCX:a5BuRxAhDUtX
TLSH T18524A64E6F318F7DF7A886344BB74A20975D23D622E1D585D1ACD2115F2028E682FFB8
telfhash t1f741b21c09b913b4a6656c9d04adef26d6b330ef7e1b2c238a51e46ef729f439d14c08
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 4a98d6bd63190c2aef2a7567e36f11fafbf12d64c161ec17bc01f60384ed30d0
File size (compressed) :71'188 bytes
File size (de-compressed) :229'384 bytes
Format:linux/mips
Packed file: 4a98d6bd63190c2aef2a7567e36f11fafbf12d64c161ec17bc01f60384ed30d0

Intelligence

File Origin
# of uploads :
1
# of downloads :
63
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/5ddc3ee9-1d91-408c-9283-2dfce5830450/
Detection(s):
Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

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

SecuriteInfo.com.Linux.Siggen.9999-6.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-8041698-0
Create hunting rule

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

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

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

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/696be2de584f1963ad59194f/reports/5109d721-b295-4a4d-ad92-bf12817c35c0/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-01-17T16:37:00Z UTC
Last seen:
2026-01-17T17:31:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/cab834a3eaded326daf98f42cc4deda6e27c3c2422c3a16fd3edfb5b8a16438e/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a4fea6de-3504-4309-9672-b3cfe247f6d2
Behavior Graph:
Download SVG
%3 guuid=c9ed401f-1800-0000-96dd-5fe5430c0000 pid=3139 /usr/bin/sudo guuid=8b4d0a21-1800-0000-96dd-5fe5490c0000 pid=3145 /tmp/sample.bin guuid=c9ed401f-1800-0000-96dd-5fe5430c0000 pid=3139->guuid=8b4d0a21-1800-0000-96dd-5fe5490c0000 pid=3145 execve guuid=84f81b22-1800-0000-96dd-5fe54e0c0000 pid=3150 /usr/bin/dash guuid=8b4d0a21-1800-0000-96dd-5fe5490c0000 pid=3145->guuid=84f81b22-1800-0000-96dd-5fe54e0c0000 pid=3150 clone
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/418f30f8-b88a-4666-8d53-ae7ed0c27d0d
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1852590
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1852590 Sample: Polar.mips.elf Startdate: 17/01/2026 Architecture: LINUX Score: 84 26 ilovenetssomuch.ddns.net 2->26 28 ilovenetssomuch.ddns.net 143.20.185.225, 55696, 55698, 69 LANCAMANTOANISERVICOSDEINFORMATICALTDA-MEBR United States 2->28 30 5 other IPs or domains 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 Multi AV Scanner detection for submitted file 2->36 40 2 other signatures 2->40 8 Polar.mips.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 38 Uses dynamic DNS services 26->38 process4 process5 16 Polar.mips.elf 8->16         started        18 Polar.mips.elf 8->18         started        20 Polar.mips.elf 8->20         started        process6 22 Polar.mips.elf 16->22         started        24 Polar.mips.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cab834a3eaded326daf98f42cc4deda6e27c3c2422c3a16fd3edfb5b8a16438e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cab834a3eaded326daf98f42cc4deda6e27c3c2422c3a16fd3edfb5b8a16438e/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/cab834a3eaded326daf98f42cc4deda6e27c3c2422c3a16fd3edfb5b8a16438e
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-17 19:28:34 UTC
File Type:
ELF32 Big (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zk4dji7k33jsnwxzr5bmytpnu3rhypbeelb2c36t5x5vxcqwioha._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/260117-x6w59abt8e/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_ea92cca8
Link:
https://app.threat.zone/submission/6c48b5fc-9b08-40c3-a6f2-bbba5495f5b3
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/cab834a3eaded326daf98f42cc4deda6e27c3c2422c3a16fd3edfb5b8a16438e

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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_ea92cca8
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 4a98d6bd63190c2aef2a7567e36f11fafbf12d64c161ec17bc01f60384ed30d0

Mirai

elf cab834a3eaded326daf98f42cc4deda6e27c3c2422c3a16fd3edfb5b8a16438e

(this sample)

  
Dropped by
SHA256 4a98d6bd63190c2aef2a7567e36f11fafbf12d64c161ec17bc01f60384ed30d0
  
URLhaus
https://urlhaus.abuse.ch/url/3711579/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 85389c335eb51beb1cbc3c3a2ed74f90
  
URLhaus
https://urlhaus.abuse.ch/url/3760010/

Comments