MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3655b2ab2b5cf210abfa356ab2d9832735b04220764728f6711d4eb09b75fc76. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3655b2ab2b5cf210abfa356ab2d9832735b04220764728f6711d4eb09b75fc76
SHA3-384 hash: ad31ed9b545ed9a4eb49cfb527d03ea60ab05a05f00d485906b8415731c15fddda1a0d6a950402fe5dffad534abcd71e
SHA1 hash: 173f251792f4075d59ec70e890bd46369c60c238
MD5 hash: b0aec73960a401158ec63a8419d5647b
humanhash: violet-september-arizona-winner
File name:putita.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:62'980 bytes
First seen:2026-08-18 03:00:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:IHILBpLLGdYTKq0HBEPHHpTMik62hG2vYzT8Inouy8DMs:cgDLLG6TKHCHxVkDrizoutDMs
TLSH T1FC530195F999574DDEF8D17AF9AE3F0A0818D204D262CBD4D9C4052A8017338BE1EF9E
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) :62'980 bytes
File size (de-compressed) :144'796 bytes
Format:linux/i386
Unpacked file: 7c612a44240cde55bdb94a121a96e936a4a9393cda8c944f83766e19541940bd

Intelligence

File Origin
# of uploads :
1
# of downloads :
54
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/b68acff1-54f0-40b3-bf24-398bdcfde597/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sets a written file as executable
Changes the time when the file was created, accessed, or modified
Launching a process
Connection attempt
Runs as daemon
Changes access rights for a written file
Creating a file
Creates or modifies symbolic links
Substitutes an application name
Writes files to system directory
Creates or modifies files in /cron to set up autorun
Creates or modifies files to set up autorun
Deleting of the original file
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade packed packer upx
Link:
https://www.filescan.io/uploads/6a83cae0b0dd85c15ff20bb7/reports/24ded14b-ac2c-4d3f-a2be-7e134622985d/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/beaf6537-e445-4e22-97ba-e7f985afb8f4
Behavior Graph:
Download SVG
%3 guuid=035851f3-1f00-0000-e40a-2fbe340a0000 pid=2612 /usr/bin/sudo guuid=d1f93af6-1f00-0000-e40a-2fbe3a0a0000 pid=2618 /tmp/sample.bin delete-file net write-config write-file guuid=035851f3-1f00-0000-e40a-2fbe340a0000 pid=2612->guuid=d1f93af6-1f00-0000-e40a-2fbe3a0a0000 pid=2618 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=d1f93af6-1f00-0000-e40a-2fbe3a0a0000 pid=2618->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=7e9ebbf7-1f00-0000-e40a-2fbe3c0a0000 pid=2620 /usr/bin/dash guuid=d1f93af6-1f00-0000-e40a-2fbe3a0a0000 pid=2618->guuid=7e9ebbf7-1f00-0000-e40a-2fbe3c0a0000 pid=2620 execve guuid=9a4717f8-1f00-0000-e40a-2fbe3d0a0000 pid=2621 /usr/bin/dash guuid=d1f93af6-1f00-0000-e40a-2fbe3a0a0000 pid=2618->guuid=9a4717f8-1f00-0000-e40a-2fbe3d0a0000 pid=2621 execve guuid=a4e207f9-1f00-0000-e40a-2fbe400a0000 pid=2624 /usr/bin/chattr zombie guuid=d1f93af6-1f00-0000-e40a-2fbe3a0a0000 pid=2618->guuid=a4e207f9-1f00-0000-e40a-2fbe400a0000 pid=2624 execve guuid=0b1d0cf9-1f00-0000-e40a-2fbe410a0000 pid=2625 /usr/bin/chattr zombie guuid=d1f93af6-1f00-0000-e40a-2fbe3a0a0000 pid=2618->guuid=0b1d0cf9-1f00-0000-e40a-2fbe410a0000 pid=2625 execve guuid=59d50ff9-1f00-0000-e40a-2fbe420a0000 pid=2626 /usr/bin/chattr zombie guuid=d1f93af6-1f00-0000-e40a-2fbe3a0a0000 pid=2618->guuid=59d50ff9-1f00-0000-e40a-2fbe420a0000 pid=2626 execve guuid=9dcc17f9-1f00-0000-e40a-2fbe430a0000 pid=2627 /usr/bin/busybox zombie guuid=d1f93af6-1f00-0000-e40a-2fbe3a0a0000 pid=2618->guuid=9dcc17f9-1f00-0000-e40a-2fbe430a0000 pid=2627 execve guuid=37f51df9-1f00-0000-e40a-2fbe440a0000 pid=2628 /usr/bin/busybox zombie guuid=d1f93af6-1f00-0000-e40a-2fbe3a0a0000 pid=2618->guuid=37f51df9-1f00-0000-e40a-2fbe440a0000 pid=2628 execve guuid=611a23f9-1f00-0000-e40a-2fbe450a0000 pid=2629 /usr/bin/busybox zombie guuid=d1f93af6-1f00-0000-e40a-2fbe3a0a0000 pid=2618->guuid=611a23f9-1f00-0000-e40a-2fbe450a0000 pid=2629 execve guuid=c5ee2ef9-1f00-0000-e40a-2fbe460a0000 pid=2630 /tmp/sample.bin net send-data zombie guuid=d1f93af6-1f00-0000-e40a-2fbe3a0a0000 pid=2618->guuid=c5ee2ef9-1f00-0000-e40a-2fbe460a0000 pid=2630 clone guuid=7a925cf8-1f00-0000-e40a-2fbe3e0a0000 pid=2622 /usr/bin/dash guuid=9a4717f8-1f00-0000-e40a-2fbe3d0a0000 pid=2621->guuid=7a925cf8-1f00-0000-e40a-2fbe3e0a0000 pid=2622 clone guuid=1ca060f8-1f00-0000-e40a-2fbe3f0a0000 pid=2623 /usr/bin/dash guuid=9a4717f8-1f00-0000-e40a-2fbe3d0a0000 pid=2621->guuid=1ca060f8-1f00-0000-e40a-2fbe3f0a0000 pid=2623 clone guuid=c5ee2ef9-1f00-0000-e40a-2fbe460a0000 pid=2630->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 706d8119-5804-563f-93fb-1ad04086f3d8 64.89.163.215:666 guuid=c5ee2ef9-1f00-0000-e40a-2fbe460a0000 pid=2630->706d8119-5804-563f-93fb-1ad04086f3d8 send: 87B guuid=b6ec65fa-1f00-0000-e40a-2fbe480a0000 pid=2632 /tmp/sample.bin guuid=c5ee2ef9-1f00-0000-e40a-2fbe460a0000 pid=2630->guuid=b6ec65fa-1f00-0000-e40a-2fbe480a0000 pid=2632 clone guuid=f1296dfa-1f00-0000-e40a-2fbe490a0000 pid=2633 /tmp/sample.bin guuid=c5ee2ef9-1f00-0000-e40a-2fbe460a0000 pid=2630->guuid=f1296dfa-1f00-0000-e40a-2fbe490a0000 pid=2633 clone guuid=55d975fa-1f00-0000-e40a-2fbe4a0a0000 pid=2634 /tmp/sample.bin guuid=c5ee2ef9-1f00-0000-e40a-2fbe460a0000 pid=2630->guuid=55d975fa-1f00-0000-e40a-2fbe4a0a0000 pid=2634 clone
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d007377a-c9dd-445e-85e4-f21d9c68fe5a
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1959418
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: 1959418 Sample: putita.x86.elf Startdate: 18/08/2026 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.UhS6Mz, 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/3655b2ab2b5cf210abfa356ab2d9832735b04220764728f6711d4eb09b75fc76
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3655b2ab2b5cf210abfa356ab2d9832735b04220764728f6711d4eb09b75fc76/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gzk3fkzlltzbbk72gvvlfwmde423aqraozdsr5trdvhlbg3v7r3a._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution linux persistence privilege_escalation upx
Link:
https://tria.ge/reports/260818-dhrq3sfa98/
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: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 3655b2ab2b5cf210abfa356ab2d9832735b04220764728f6711d4eb09b75fc76

(this sample)

Mirai

elf 7c612a44240cde55bdb94a121a96e936a4a9393cda8c944f83766e19541940bd

  
URLhaus
https://urlhaus.abuse.ch/url/3892126/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 7c612a44240cde55bdb94a121a96e936a4a9393cda8c944f83766e19541940bd
  
Dropping
MD5 194a65e4621d012232f352d111f96223
  
URLhaus
https://urlhaus.abuse.ch/url/3892146/
  
URLhaus
https://urlhaus.abuse.ch/url/3885283/

Comments