MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 138a68f4a0a764908fa2ae4aa869bfb73cbffadd9cef1a766753ade00404d52e. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 138a68f4a0a764908fa2ae4aa869bfb73cbffadd9cef1a766753ade00404d52e
SHA3-384 hash: 2d998d914ca28d177100c97c791e90d9d24ebc8abe4329ab52cfba253bfc83b3e8cb1a36d3c2261411c78418f009b6f1
SHA1 hash: 4deb158229165f6d05b677c6aa9ee07eb707fc5b
MD5 hash: 66bc5f6f80ec09b620e1c74d2bab7371
humanhash: winner-ack-robin-mango
File name:putita.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:61'344 bytes
First seen:2026-08-05 18:58:43 UTC
Last seen:2026-08-06 09:49:33 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:dN6O5kE995+Cm4dwrU7l4YfhyP2+wMnouy8DMH:dJaE9eCVdwrUuYfhXnMoutDMH
TLSH T172530206D5C147A4D29FD0B90C6A74262CC0FA1B5BDC4BE627B4AC9F24762943F1E786
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika unknown
Reporter abuse_ch
Tags:elf UPX
File size (compressed) :61'344 bytes
File size (de-compressed) :144'764 bytes
Format:linux/i386
Unpacked file: de7be7d3108c203674c02422bc23d2846259f6a4d9252b2fa1c8d166c7114f6b

Intelligence

File Origin
# of uploads :
2
# of downloads :
82
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/3f90f24a-5148-4da4-b1e7-b3fefb43d0f1/
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:
  2.5/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/6a738813210f43d7bf95f96e/reports/8dafbf7d-e6ff-4c25-a49b-17bbcfa35731/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/138a68f4a0a764908fa2ae4aa869bfb73cbffadd9cef1a766753ade00404d52e
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-08-05T16:13:00Z UTC
Last seen:
2026-08-05T23:18:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/138a68f4a0a764908fa2ae4aa869bfb73cbffadd9cef1a766753ade00404d52e/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/90fff29a-e445-4926-aeab-127a3e7d36fb
Behavior Graph:
Download SVG
%3 guuid=9fed2821-1c00-0000-3f96-4b98f60a0000 pid=2806 /usr/bin/sudo guuid=f31fcc22-1c00-0000-3f96-4b98fc0a0000 pid=2812 /tmp/sample.bin delete-file net write-config write-file guuid=9fed2821-1c00-0000-3f96-4b98f60a0000 pid=2806->guuid=f31fcc22-1c00-0000-3f96-4b98fc0a0000 pid=2812 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=f31fcc22-1c00-0000-3f96-4b98fc0a0000 pid=2812->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=1855ad23-1c00-0000-3f96-4b98ff0a0000 pid=2815 /usr/bin/dash guuid=f31fcc22-1c00-0000-3f96-4b98fc0a0000 pid=2812->guuid=1855ad23-1c00-0000-3f96-4b98ff0a0000 pid=2815 execve guuid=cd4ce923-1c00-0000-3f96-4b98000b0000 pid=2816 /usr/bin/dash guuid=f31fcc22-1c00-0000-3f96-4b98fc0a0000 pid=2812->guuid=cd4ce923-1c00-0000-3f96-4b98000b0000 pid=2816 execve guuid=02ada524-1c00-0000-3f96-4b98040b0000 pid=2820 /usr/bin/chattr zombie guuid=f31fcc22-1c00-0000-3f96-4b98fc0a0000 pid=2812->guuid=02ada524-1c00-0000-3f96-4b98040b0000 pid=2820 execve guuid=3050ab24-1c00-0000-3f96-4b98050b0000 pid=2821 /usr/bin/chattr zombie guuid=f31fcc22-1c00-0000-3f96-4b98fc0a0000 pid=2812->guuid=3050ab24-1c00-0000-3f96-4b98050b0000 pid=2821 execve guuid=7c99b024-1c00-0000-3f96-4b98060b0000 pid=2822 /usr/bin/chattr zombie guuid=f31fcc22-1c00-0000-3f96-4b98fc0a0000 pid=2812->guuid=7c99b024-1c00-0000-3f96-4b98060b0000 pid=2822 execve guuid=20cfb424-1c00-0000-3f96-4b98070b0000 pid=2823 /usr/bin/busybox zombie guuid=f31fcc22-1c00-0000-3f96-4b98fc0a0000 pid=2812->guuid=20cfb424-1c00-0000-3f96-4b98070b0000 pid=2823 execve guuid=863eb924-1c00-0000-3f96-4b98080b0000 pid=2824 /usr/bin/busybox zombie guuid=f31fcc22-1c00-0000-3f96-4b98fc0a0000 pid=2812->guuid=863eb924-1c00-0000-3f96-4b98080b0000 pid=2824 execve guuid=bc7abf24-1c00-0000-3f96-4b98090b0000 pid=2825 /usr/bin/busybox zombie guuid=f31fcc22-1c00-0000-3f96-4b98fc0a0000 pid=2812->guuid=bc7abf24-1c00-0000-3f96-4b98090b0000 pid=2825 execve guuid=859dc324-1c00-0000-3f96-4b980a0b0000 pid=2826 /tmp/sample.bin net send-data zombie guuid=f31fcc22-1c00-0000-3f96-4b98fc0a0000 pid=2812->guuid=859dc324-1c00-0000-3f96-4b980a0b0000 pid=2826 clone guuid=516c1324-1c00-0000-3f96-4b98010b0000 pid=2817 /usr/bin/dash guuid=cd4ce923-1c00-0000-3f96-4b98000b0000 pid=2816->guuid=516c1324-1c00-0000-3f96-4b98010b0000 pid=2817 clone guuid=03801924-1c00-0000-3f96-4b98020b0000 pid=2818 /usr/bin/dash guuid=cd4ce923-1c00-0000-3f96-4b98000b0000 pid=2816->guuid=03801924-1c00-0000-3f96-4b98020b0000 pid=2818 clone guuid=859dc324-1c00-0000-3f96-4b980a0b0000 pid=2826->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 706d8119-5804-563f-93fb-1ad04086f3d8 64.89.163.215:666 guuid=859dc324-1c00-0000-3f96-4b980a0b0000 pid=2826->706d8119-5804-563f-93fb-1ad04086f3d8 send: 87B guuid=11da8c25-1c00-0000-3f96-4b980f0b0000 pid=2831 /tmp/sample.bin guuid=859dc324-1c00-0000-3f96-4b980a0b0000 pid=2826->guuid=11da8c25-1c00-0000-3f96-4b980f0b0000 pid=2831 clone guuid=1aca8f25-1c00-0000-3f96-4b98100b0000 pid=2832 /tmp/sample.bin guuid=859dc324-1c00-0000-3f96-4b980a0b0000 pid=2826->guuid=1aca8f25-1c00-0000-3f96-4b98100b0000 pid=2832 clone guuid=935a9225-1c00-0000-3f96-4b98110b0000 pid=2833 /tmp/sample.bin guuid=859dc324-1c00-0000-3f96-4b980a0b0000 pid=2826->guuid=935a9225-1c00-0000-3f96-4b98110b0000 pid=2833 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dc721122-f179-4ec6-9986-961fb204a4e0
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1952941
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1952941 Sample: putita.x86.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.x86.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.x86.elf sh 9->13         started        15 putita.x86.elf sh 9->15         started        17 putita.x86.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.x86.elf 20->30         started        32 putita.x86.elf 20->32         started        34 putita.x86.elf 20->34         started        process9 file10 39 /var/spool/cron/crontabs/tmp.9EbVrn, 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
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/138a68f4a0a764908fa2ae4aa869bfb73cbffadd9cef1a766753ade00404d52e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/138a68f4a0a764908fa2ae4aa869bfb73cbffadd9cef1a766753ade00404d52e/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2026-08-05 19:10:36 UTC
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cofgr5fau5sjbd5cvzfkq2n7w46l76w5ttxru5thkow6abae2uxa._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution linux persistence privilege_escalation upx
Link:
https://tria.ge/reports/260805-xndk7ael81/
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.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/138a68f4a0a764908fa2ae4aa869bfb73cbffadd9cef1a766753ade00404d52e

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
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 138a68f4a0a764908fa2ae4aa869bfb73cbffadd9cef1a766753ade00404d52e

(this sample)

Mirai

elf de7be7d3108c203674c02422bc23d2846259f6a4d9252b2fa1c8d166c7114f6b

  
URLhaus
https://urlhaus.abuse.ch/url/3892126/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 de7be7d3108c203674c02422bc23d2846259f6a4d9252b2fa1c8d166c7114f6b
  
Dropping
MD5 32a0b9b1eddbc4ef5cde37a6340cc465
  
URLhaus
https://urlhaus.abuse.ch/url/3892146/
  
URLhaus
https://urlhaus.abuse.ch/url/3885283/

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