MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e6b0f936dcf68722d1e41a0b2be451fdb77ba0fb95542f7d866fda72f18d64fd. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments

SHA256 hash: e6b0f936dcf68722d1e41a0b2be451fdb77ba0fb95542f7d866fda72f18d64fd
SHA3-384 hash: 3cade0c5da990a4480da8b23c50c2ae5103a3b06bb1f3e556a86852de539785fdb5825407101b9164a6d1e95289c70ad
SHA1 hash: b5d8b0d7b15f1bd7e4f5ef06435ecf41acf050f9
MD5 hash: 4ceaabaec680020124a59811181c1fd4
humanhash: black-five-alpha-one
File name:putita.arm
Download: download sample
Signature Mirai
File size:55'788 bytes
First seen:2026-08-05 19:16:52 UTC
Last seen:2026-08-06 11:23:37 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:hufMeudkt+H5/286SxX++g7/HSdiCjfTU:hPd9Z/28b0+gDHSdiCjLU
TLSH T15843F1B1224D4E44C47A1A7AC42A0191DB5D7E96E30C7D7E7820D2AC76D34AF2FF9643
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 UPX
File size (compressed) :55'788 bytes
File size (de-compressed) :124'340 bytes
Format:linux/arm
Unpacked file: 6246b9d1b2ebc13656fbd9f45d240d12d5b969ba3889af847f20aa15d0254dce

Intelligence


File Origin
# of uploads :
2
# of downloads :
86
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Sets a written file as executable
Runs as daemon
Creates or modifies symbolic links
Changes the time when the file was created, accessed, or modified
Opens a port
Connection attempt
Launching a process
Changes access rights for a written file
Writes files to system directory
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
4
Number of processes launched:
4
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
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-08-05T17:13:00Z UTC
Last seen:
2026-08-05T19:13:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=393965cb-1900-0000-b534-ef825e0b0000 pid=2910 /usr/bin/sudo guuid=9411f4ce-1900-0000-b534-ef82690b0000 pid=2921 /tmp/sample.bin guuid=393965cb-1900-0000-b534-ef825e0b0000 pid=2910->guuid=9411f4ce-1900-0000-b534-ef82690b0000 pid=2921 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Signature
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 is packed with UPX
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: 1952955 Sample: putita.arm.elf Startdate: 05/08/2026 Architecture: LINUX Score: 88 49 64.89.163.215, 666 NETIFACE-TORONTO-NetifaceAmericaIncUS Germany 2->49 53 Multi AV Scanner detection for submitted file 2->53 55 Sample is packed with UPX 2->55 9 putita.arm.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 63 Sample tries to set files in /etc globally writable 9->63 65 Sample tries to persist itself using /etc/profile 9->65 67 Drops files in suspicious directories 9->67 69 3 other signatures 9->69 13 putita.arm.elf sh 9->13         started        15 putita.arm.elf sh 9->15         started        17 putita.arm.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.arm.elf 20->30         started        32 putita.arm.elf 20->32         started        34 putita.arm.elf 20->34         started        process9 file10 39 /var/spool/cron/crontabs/tmp.4bjYsB, ASCII 22->39 dropped 59 Sample tries to persist itself using cron 22->59 61 Executes the "crontab" command typically for achieving persistence 22->61 36 sh crontab 26->36         started        signatures11 process12 signatures13 57 Executes the "crontab" command typically for achieving persistence 36->57
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-08-05 19:17:36 UTC
File Type:
ELF32 Little (SO)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation upx
Behaviour
Reads runtime system information
Changes its process name
Modifies Bash startup script
UPX packed file
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:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

Mirai

elf e6b0f936dcf68722d1e41a0b2be451fdb77ba0fb95542f7d866fda72f18d64fd

(this sample)

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