MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d8a9128e1a6e59d452aa3db1d07318b4d9b34d06aea33eb794445ad3f54edc49. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d8a9128e1a6e59d452aa3db1d07318b4d9b34d06aea33eb794445ad3f54edc49
SHA3-384 hash: 4988ac835e50cd3b1d653a422a1de4269affd991f30e6e930fc68207454dc595fdb1a3c3d8e47da8a84a0825519f84f8
SHA1 hash: de2851b6e4d7d07b590846e356500a77ffdceb9b
MD5 hash: ed707cb36701695c659b89a2567ae791
humanhash: berlin-lithium-orange-lemon
File name:nova.arm6
Download: download sample
Signature Mirai
Create hunting rule
File size:94'032 bytes
First seen:2025-12-18 13:41:39 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:O/nVFLNlGgEzHXgisYxYl+lReyjUWNBYtidnjaSq6L3jMliRzw6DEu7ay5RYnl6x:W0gO3gLYxA+e7CldnjaShzw6DEumyPQC
TLSH T178931B56B9918E12C5C221BAFE6E418D33136BBCD3EE7212CD246F5037874AB0E77616
telfhash t19b119e5795e418dc76e0430d5066553fcab530fc26a52424eb6e3f5f1b2b9d27430876
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 :
1
# of downloads :
46
Origin country :
DE DE
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/aa16ec8a-c7ef-4cc4-a66d-2e3ed232bf71/
Detection(s):
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28959.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135868-0
Create hunting rule

Unix.Dropper.Mirai-7135890-0
Create hunting rule

Unix.Dropper.Mirai-7135891-0
Create hunting rule

Unix.Dropper.Mirai-7135892-0
Create hunting rule

Unix.Dropper.Mirai-7135898-0
Create hunting rule

Unix.Dropper.Mirai-7135939-0
Create hunting rule

Unix.Dropper.Mirai-7136025-0
Create hunting rule

Unix.Dropper.Mirai-7136034-0
Create hunting rule

Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Dropper.Mirai-10008433-0
Create hunting rule

Unix.Trojan.Mirai-10027280-0
Create hunting rule

Unix.Trojan.Mirai-10028946-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Receives data from a server
Kills processes
Sends data to a server
Substitutes an application name
Kills critical processes
Performs a bruteforce attack in the network
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt gcc masquerade mirai rust
Link:
https://www.filescan.io/uploads/694404ae29529c74a2f4e5e0/reports/7caf39a7-4e8e-4704-956a-b2373700e6f8/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-18T10:53:00Z UTC
Last seen:
2025-12-19T00:42:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.ba HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.ew HEUR:Backdoor.Linux.Mirai.es HEUR:Backdoor.Linux.Mirai.c HEUR:Backdoor.Linux.Mirai.a
Link:
https://opentip.kaspersky.com/d8a9128e1a6e59d452aa3db1d07318b4d9b34d06aea33eb794445ad3f54edc49/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/9f5b16d1-e9d8-418c-b14d-ff02fe0c29e0
Behavior Graph:
Download SVG
%3 guuid=3dbf4a27-1700-0000-0be6-82b5cc0d0000 pid=3532 /usr/bin/sudo guuid=8ce42729-1700-0000-0be6-82b5d40d0000 pid=3540 /tmp/sample.bin guuid=3dbf4a27-1700-0000-0be6-82b5cc0d0000 pid=3532->guuid=8ce42729-1700-0000-0be6-82b5d40d0000 pid=3540 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fc0c4bbf-d162-403f-a25b-de55ae1d2552
Result
Threat name:
Okiru
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1835681
Signature
Antivirus / Scanner detection for submitted sample
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)
Sample tries to kill a massive number of system processes
Sample tries to kill multiple processes (SIGKILL)
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1835681 Sample: nova.arm6.elf Startdate: 18/12/2025 Architecture: LINUX Score: 88 55 50.54.207.34, 23 ZIPLY-FIBER-LEGACY-ASNUS United States 2->55 57 109.47.84.183, 23 VODANETInternationalIP-BackboneofVodafoneDE Germany 2->57 59 99 other IPs or domains 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Antivirus / Scanner detection for submitted sample 2->63 65 Multi AV Scanner detection for submitted file 2->65 67 Yara detected Okiru 2->67 8 nova.arm6.elf 2->8         started        10 systemd gpu-manager 2->10         started        12 systemd gpu-manager 2->12         started        14 48 other processes 2->14 signatures3 process4 signatures5 17 nova.arm6.elf 8->17         started        19 nova.arm6.elf 8->19         started        22 nova.arm6.elf 8->22         started        32 5 other processes 10->32 24 gpu-manager sh 12->24         started        26 gpu-manager sh 12->26         started        28 gpu-manager sh 12->28         started        30 gpu-manager sh 12->30         started        77 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->77 34 11 other processes 14->34 process6 signatures7 36 nova.arm6.elf 17->36         started        49 4 other processes 17->49 69 Sample tries to kill a massive number of system processes 19->69 71 Sample tries to kill multiple processes (SIGKILL) 19->71 39 sh grep 24->39         started        41 sh grep 26->41         started        43 sh grep 28->43         started        45 sh grep 30->45         started        47 sh grep 32->47         started        51 4 other processes 32->51 53 4 other processes 34->53 process8 signatures9 73 Sample tries to kill a massive number of system processes 36->73 75 Sample tries to kill multiple processes (SIGKILL) 36->75
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/d8a9128e1a6e59d452aa3db1d07318b4d9b34d06aea33eb794445ad3f54edc49
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d8a9128e1a6e59d452aa3db1d07318b4d9b34d06aea33eb794445ad3f54edc49/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/d8a9128e1a6e59d452aa3db1d07318b4d9b34d06aea33eb794445ad3f54edc49
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-18 13:42:06 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=3curfdq2nzm5iuvkhwy5a4yywtm3gtigv2rt5n4uirnnh5ko3req._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:sora defense_evasion discovery
Link:
https://tria.ge/reports/251218-qztyzsel4v/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (70565) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan mirai Unix.Dropper.Mirai-7135868-0
YARA:
Linux_Trojan_Mirai_0bce98a2
Link:
https://app.threat.zone/submission/ed1ff0c0-7b5c-4f0c-86e8-61504a2be529
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/d8a9128e1a6e59d452aa3db1d07318b4d9b34d06aea33eb794445ad3f54edc49

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_3bcc1630
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0bce98a2
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 d8a9128e1a6e59d452aa3db1d07318b4d9b34d06aea33eb794445ad3f54edc49

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3735635/
  
Delivery method
Distributed via web download

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