MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ea9e18bb2004bc64a57dba5e810d9592ca35bc5a29ed3913442dba79044c433f. 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 5 File information Comments

SHA256 hash: ea9e18bb2004bc64a57dba5e810d9592ca35bc5a29ed3913442dba79044c433f
SHA3-384 hash: a84542006c400afdd5966b43a160f71dcacb3d77b4d0dfdf55dd76af219c2307876f6ed21042e51f37aceb806896be0c
SHA1 hash: 3c9c33ec0e1576eef3a092eb9330aab78848b5dc
MD5 hash: d90399b3ef5bd38fdff0823861d72ba5
humanhash: comet-quiet-winter-north
File name:putita.arm7
Download: download sample
Signature Mirai
File size:120'276 bytes
First seen:2026-08-16 20:22:41 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:NJDArV8pyX0M1FzoMitH1RUQ4g8OFCVeU/0/AAVpHNsCQf1Dl4:NJSbFw1RUQ4g8OgVeUOVpHnQ95
TLSH T1F9C33C99FC90DE12C6D52636F95E428C332357B8C3DA7206CD249F34B7E795A0E3A942
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 3207102864582b541a347a125f4eef6655ddfd9e82c62dffe4b344967b756d48
File size (compressed) :55'080 bytes
File size (de-compressed) :120'276 bytes
Format:linux/arm
Packed file: 3207102864582b541a347a125f4eef6655ddfd9e82c62dffe4b344967b756d48

Intelligence


File Origin
# of uploads :
1
# of downloads :
78
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Changes the time when the file was created, accessed, or modified
Opens a port
Creating a file
Launching a process
Connection attempt
Sets a written file as executable
Runs as daemon
Creates or modifies symbolic links
Changes access rights for a written file
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Writes files to system directory
Deleting of the original file
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files to set up autorun
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
52
Number of processes launched:
16
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-08-16T18:31:00Z UTC
Last seen:
2026-08-16T20:02:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=8de05ca7-1800-0000-03f7-66282b0c0000 pid=3115 /usr/bin/sudo guuid=b8dd89ab-1800-0000-03f7-66282d0c0000 pid=3117 /tmp/sample.bin guuid=8de05ca7-1800-0000-03f7-66282b0c0000 pid=3115->guuid=b8dd89ab-1800-0000-03f7-66282d0c0000 pid=3117 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Protects files from modification
Sample deletes itself
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1958702 Sample: putita.arm7.elf Startdate: 16/08/2026 Architecture: LINUX Score: 100 49 64.89.163.215, 666 NETIFACE-TORONTO-NetifaceAmericaIncUS Germany 2->49 53 Antivirus detection for dropped file 2->53 55 Antivirus / Scanner detection for submitted sample 2->55 57 Multi AV Scanner detection for submitted file 2->57 9 putita.arm7.elf 2->9         started        signatures3 process4 file5 41 /usr/lib/kworker-helper, ELF 9->41 dropped 43 /root/.bashrc, ASCII 9->43 dropped 45 /etc/systemd/system/kworker-helper.service, ASCII 9->45 dropped 47 3 other malicious files 9->47 dropped 65 Sample tries to set files in /etc globally writable 9->65 67 Sample tries to persist itself using /etc/profile 9->67 69 Drops files in suspicious directories 9->69 71 3 other signatures 9->71 13 putita.arm7.elf sh 9->13         started        15 putita.arm7.elf sh 9->15         started        17 putita.arm7.elf chattr 9->17         started        20 6 other processes 9->20 signatures6 process7 signatures8 22 sh crontab 13->22         started        26 sh 13->26         started        28 sh crontab 15->28         started        51 Protects files from modification 17->51 30 putita.arm7.elf 20->30         started        32 putita.arm7.elf 20->32         started        34 putita.arm7.elf 20->34         started        process9 file10 39 /var/spool/cron/crontabs/tmp.nL3pIV, ASCII 22->39 dropped 61 Sample tries to persist itself using cron 22->61 63 Executes the "crontab" command typically for achieving persistence 22->63 36 sh crontab 26->36         started        signatures11 process12 signatures13 59 Executes the "crontab" command typically for achieving persistence 36->59
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-08-16 20:23:28 UTC
File Type:
ELF32 Little (SO)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion execution persistence privilege_escalation
Behaviour
Changes its process name
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Modifies init.d
Modifies rc script
Modifies systemd
Deletes itself
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:elf_arm_mips_ko_so
Rule name:ELF_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:woof_mirai_variant
Author:Nokia Deepfield ERT
Description:Detects Woof Mirai variant (ChaCha20 table, HTTP C2 with token/guid, .woof dropper)
Reference:Internal analysis of sample 6ef4ce02

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf ea9e18bb2004bc64a57dba5e810d9592ca35bc5a29ed3913442dba79044c433f

(this sample)

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