MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3791de6c26b2b03e3fcb9a2fa852f2775f2d4e07829caad276e0964bf82b3d18. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3791de6c26b2b03e3fcb9a2fa852f2775f2d4e07829caad276e0964bf82b3d18
SHA3-384 hash: dd1c99f496dfbae477032512a25d2be27989dc284ba61591c0dc5c30f59a089be923f3e8d87de5257dc5c88bccf6f225
SHA1 hash: 4fe82d607599bf82b77e78667ef50e66f86211ee
MD5 hash: e9f847d761ac8102bcb638dc86c5172d
humanhash: autumn-emma-high-rugby
File name:putita.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:185'992 bytes
First seen:2026-08-19 02:38:11 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:vn1qyv2H2aVoHi1mWW/QERSzDtOV5XjBUQ4g8OfnCDUKPDxPL+hwo+A7eHG0Gf12:v1228zDtOV5zBUQ4g8OfCDUKbxzO+A7S
TLSH T173043B95F890DE52C6D1267AF96E518C331317B8C2DBB106CE144F38B7EB95A0F3A942
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 63db4b6dca94c30a29b6a90d7a82b09a732bd7d984ce8e20f63647484e4d92c5
File size (compressed) :82'304 bytes
File size (de-compressed) :185'992 bytes
Format:linux/arm
Packed file: 63db4b6dca94c30a29b6a90d7a82b09a732bd7d984ce8e20f63647484e4d92c5

Intelligence

File Origin
# of uploads :
1
# of downloads :
64
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Mirai.10742.15068.20710.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Launching a process
Connection attempt
Sets a written file as executable
Creates or modifies symbolic links
Creating a file
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
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc masquerade mirai rust
Link:
https://www.filescan.io/uploads/6a8517217730a90a7bb82cc3/reports/6116d51c-1c3f-44cf-9296-25b0ccdc8088/overview
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
Full report:
https://elfdigest.com/brief/3791de6c26b2b03e3fcb9a2fa852f2775f2d4e07829caad276e0964bf82b3d18
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/3fed006e-d340-4442-a5df-896f62e56afe
Behavior Graph:
Download SVG
%3 guuid=5e645d93-1c00-0000-e10f-d58a4f0b0000 pid=2895 /usr/bin/sudo guuid=5fbb4395-1c00-0000-e10f-d58a540b0000 pid=2900 /tmp/sample.bin guuid=5e645d93-1c00-0000-e10f-d58a4f0b0000 pid=2895->guuid=5fbb4395-1c00-0000-e10f-d58a540b0000 pid=2900 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f88d9a5d-b84e-427c-9525-559b360d3f9a
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1960075
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1960075 Sample: putita.arm7.elf Startdate: 19/08/2026 Architecture: LINUX Score: 100 49 64.89.163.215, 33758, 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.XIaiAL, 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
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3791de6c26b2b03e3fcb9a2fa852f2775f2d4e07829caad276e0964bf82b3d18
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3791de6c26b2b03e3fcb9a2fa852f2775f2d4e07829caad276e0964bf82b3d18/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-19 02:39:34 UTC
File Type:
ELF32 Little (SO)
AV detection:
7 of 36 (19.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g6i543bgwkyd4p6ltix2quxso5ps2tqhqkokvutw4clex6blhuma._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/260819-c4yk3scp9v/
Behaviour
Reads runtime system information
Changes its process name
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
Removes the immutable protection flag from a file
Deletes itself
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/3791de6c26b2b03e3fcb9a2fa852f2775f2d4e07829caad276e0964bf82b3d18

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
Create hunting rule
Rule name:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:woof_mirai_variant
Create hunting rule
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 63db4b6dca94c30a29b6a90d7a82b09a732bd7d984ce8e20f63647484e4d92c5

Mirai

elf 3791de6c26b2b03e3fcb9a2fa852f2775f2d4e07829caad276e0964bf82b3d18

(this sample)

  
Dropped by
SHA256 63db4b6dca94c30a29b6a90d7a82b09a732bd7d984ce8e20f63647484e4d92c5
  
URLhaus
https://urlhaus.abuse.ch/url/3892127/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 70815cd9b010d54967c4574f788ce31f

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