MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a99a589867394c51c5fccd9186a47067e8b70778644aacfe7b0d493c9e888ec8. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a99a589867394c51c5fccd9186a47067e8b70778644aacfe7b0d493c9e888ec8
SHA3-384 hash: bb839e9c05d9da9a429a8d001cd8272fc5015bd06a01b9e8a593cf0554e75e2d65749654e8bd904d4445eac146cadebd
SHA1 hash: 2a5ac9163405a04697f5f92eb4b49e13e4afa8a1
MD5 hash: 851870c906f2c6524e89f3209a0f1e22
humanhash: pizza-friend-helium-georgia
File name:m68k
Download: download sample
Signature Mirai
Create hunting rule
File size:92'596 bytes
First seen:2026-01-26 23:23:24 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:OhzzDqIJR0e+6+6ngAJuWgfFfOZ+R5uWmkWWOYPZeX1Fp48rpz:OhzzDq65e6ngmuWH4HFJMYYX1FDpz
TLSH T1F4933AA2B410DC7EF45BE7F780570A16B220A3E44E426F27B627BD53EE2E1742852D47
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
109
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-6981989-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Mirai-9940650-0
Create hunting rule

Unix.Trojan.Mirai-10018298-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6977f7a912c4ad8c085737b6/reports/b443e71f-665e-4ff9-ab84-f92de5f4e979/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-01-27T08:12:00Z UTC
Last seen:
2026-01-27T08:42:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/a99a589867394c51c5fccd9186a47067e8b70778644aacfe7b0d493c9e888ec8/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c6f50a13-90b2-4637-bb26-4781dd87c16c
Behavior Graph:
Download SVG
%3 guuid=857e051c-1800-0000-0164-a185b4040000 pid=1204 /usr/bin/sudo guuid=b9ae6f1e-1800-0000-0164-a185bb040000 pid=1211 /tmp/sample.bin guuid=857e051c-1800-0000-0164-a185b4040000 pid=1204->guuid=b9ae6f1e-1800-0000-0164-a185bb040000 pid=1211 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/7536fb44-b496-45b7-9208-f14a7bbc14bd
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1857996
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Drops invisible ELF files
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Sends malformed DNS queries
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1857996 Sample: m68k.elf Startdate: 27/01/2026 Architecture: LINUX Score: 72 58 slursontel.ru. [malformed] 2->58 60 slursbeback.ru. [malformed] 2->60 62 103 other IPs or domains 2->62 66 Multi AV Scanner detection for submitted file 2->66 68 Connects to many IPs within the same subnet mask (likely port scanning) 2->68 8 m68k.elf .systemd-journald 2->8         started        12 systemd gpu-manager 2->12         started        14 systemd gpu-manager 2->14         started        16 56 other processes 2->16 signatures3 70 Sends malformed DNS queries 60->70 process4 file5 56 /dev/shm/.systemd-journald, ELF 8->56 dropped 72 Drops invisible ELF files 8->72 74 Sample deletes itself 8->74 18 .systemd-journald 8->18         started        21 gpu-manager sh 12->21         started        23 gpu-manager sh 12->23         started        25 gpu-manager sh 12->25         started        31 5 other processes 12->31 33 6 other processes 14->33 76 Sample reads /proc/mounts (often used for finding a writable filesystem) 16->76 27 gpu-manager sh 16->27         started        29 gpu-manager sh 16->29         started        35 51 other processes 16->35 signatures6 process7 signatures8 64 Sample tries to kill multiple processes (SIGKILL) 18->64 47 2 other processes 18->47 37 sh grep 21->37         started        39 sh grep 23->39         started        41 sh grep 25->41         started        43 sh grep 27->43         started        45 sh grep 29->45         started        50 5 other processes 31->50 52 5 other processes 33->52 54 34 other processes 35->54 process9 signatures10 78 Sample tries to kill multiple processes (SIGKILL) 47->78
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a99a589867394c51c5fccd9186a47067e8b70778644aacfe7b0d493c9e888ec8
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a99a589867394c51c5fccd9186a47067e8b70778644aacfe7b0d493c9e888ec8/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-26 23:24:34 UTC
File Type:
ELF32 Big (Exe)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vgnfrgdhhfgfdrp4zwiynjdqm7ulob3ymrfkz7t3bvetzhuir3ea._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260126-3decmad17e/
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/a99a589867394c51c5fccd9186a47067e8b70778644aacfe7b0d493c9e888ec8

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: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 a99a589867394c51c5fccd9186a47067e8b70778644aacfe7b0d493c9e888ec8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3740298/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739437/
  
URLhaus
https://urlhaus.abuse.ch/url/3739230/
  
URLhaus
https://urlhaus.abuse.ch/url/3739141/

Comments