MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 501379aa82b510cae61abd88b2403d05bd71febcd0b8a40e90ca817422c6731d. 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 4 File information Comments

SHA256 hash: 501379aa82b510cae61abd88b2403d05bd71febcd0b8a40e90ca817422c6731d
SHA3-384 hash: a6b28ea9d904268ed0f74ded8dc7081a2728922ae55605f2eb47a5b623f6a0322713d5c8d2b0d52e2562557e46fbedf0
SHA1 hash: bb9706c12caedd2834c45f4546a18c596c4b58ac
MD5 hash: 6819d47639975eb99dde8b1e2284e145
humanhash: louisiana-alaska-four-charlie
File name:putita.arm6
Download: download sample
Signature Mirai
File size:55'300 bytes
First seen:2026-07-18 16:06:32 UTC
Last seen:2026-07-19 10:22:29 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:MVMoqymv8C7isadO4MjMUBEoEnEy3/Jfc:++d8vsoOLBEoSEy3RE
TLSH T1164302B21742ACE1E5702034D63C8665FA527252C1CAA14E26B943F83F631A54AF5CFF
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 UPX
File size (compressed) :55'300 bytes
File size (de-compressed) :128'452 bytes
Format:linux/arm
Unpacked file: efe8e89bdfddfee898d422522e6ca66e09175d93496720d00f164bcd1cd721e5

Intelligence


File Origin
# of uploads :
2
# of downloads :
80
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creates or modifies symbolic links
Creating a file
Sends data to a server
Connection attempt
Receives data from a server
Sets a written file as executable
Changes access rights for a written file
Changes the time when the file was created, accessed, or modified
Runs as daemon
Opens a port
Writes files to system directory
Creates or modifies files in /cron to set up autorun
Substitutes an application name
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:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-18T12:32:00Z UTC
Last seen:
2026-07-19T22:12:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=001842bf-1800-0000-71c3-9a2a4e0c0000 pid=3150 /usr/bin/sudo guuid=175fe5c0-1800-0000-71c3-9a2a540c0000 pid=3156 /tmp/sample.bin guuid=001842bf-1800-0000-71c3-9a2a4e0c0000 pid=3150->guuid=175fe5c0-1800-0000-71c3-9a2a540c0000 pid=3156 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 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
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: 1944621 Sample: putita.arm6.elf Startdate: 18/07/2026 Architecture: LINUX Score: 80 53 64.89.163.215, 59902, 59904, 59906 NETIFACE-TORONTO-NetifaceAmericaIncUS Germany 2->53 57 Sample is packed with UPX 2->57 9 putita.arm6.elf 2->9         started        signatures3 process4 file5 45 /usr/lib/kworker-helper, ELF 9->45 dropped 47 /root/.bashrc, ASCII 9->47 dropped 49 /etc/systemd/system/kworker-helper.service, ASCII 9->49 dropped 51 3 other malicious files 9->51 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.arm6.elf sh 9->13         started        15 putita.arm6.elf sh 9->15         started        17 putita.arm6.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        55 Protects files from modification 17->55 30 putita.arm6.elf 20->30         started        32 putita.arm6.elf 20->32         started        34 putita.arm6.elf 20->34         started        36 putita.arm6.elf 20->36         started        process9 file10 43 /var/spool/cron/crontabs/tmp.pQY53L, ASCII 22->43 dropped 61 Sample tries to persist itself using cron 22->61 63 Executes the "crontab" command typically for achieving persistence 22->63 38 sh crontab 26->38         started        41 putita.arm6.elf 30->41         started        signatures11 process12 signatures13 59 Executes the "crontab" command typically for achieving persistence 38->59
Threat name:
Linux.Trojan.Generic
Status:
Suspicious
First seen:
2026-07-18 16:08:19 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
Attempts to change immutable files
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates running processes
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 501379aa82b510cae61abd88b2403d05bd71febcd0b8a40e90ca817422c6731d

(this sample)

  
Delivery method
Distributed via web download

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