MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8bf2c8388ce4cf77cfd8ae588575b57f18bc25eeb6fcfd219ff3e3c21f3325dd. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8bf2c8388ce4cf77cfd8ae588575b57f18bc25eeb6fcfd219ff3e3c21f3325dd
SHA3-384 hash: 9032b181d0e323bffa6f0ce19f4396f4f73f74cda757ecdafee7fc904b453c4b42a281c653d03a270fcc40992603faa1
SHA1 hash: 6ca0706f713467ab7517a602cbd8cb5c21ce5654
MD5 hash: 2701d2c2d67789f5f71e8c903fd9f43f
humanhash: happy-tennessee-wolfram-network
File name:putita.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:81'864 bytes
First seen:2026-07-18 07:02:26 UTC
Last seen:2026-07-19 05:48:14 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:c5hCfkFzmo9ZZd/ZNkhIBCet6FYWtxeAo5RGkULEuClfO00R:c5AfkdVd/IOMrtcAo5RDUA1x30R
TLSH T1CB8312B8598047D0F523E037492B95596B60B6CAD8EC938DB1DD6D46CF778A0DB1033A
Magika elf
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :81'864 bytes
File size (de-compressed) :184'448 bytes
Format:linux/mipsel
Unpacked file: 5f7e953752cc49c2688bf292228885f4e360ad5eeb5d50a6b99943eae38a5022

Intelligence

File Origin
# of uploads :
3
# of downloads :
84
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/609549e4-978d-4c5e-bf9c-2cc0c3c9fe61/
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
Receives data from a server
Sends data to a server
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:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/6a5b254588889158278c8e14/reports/16a53fcd-5f08-4eac-92b0-89ecda1140b2/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-18T05:40:00Z UTC
Last seen:
2026-07-19T22:12:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/8bf2c8388ce4cf77cfd8ae588575b57f18bc25eeb6fcfd219ff3e3c21f3325dd/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/bf6adf04-57dc-4b40-a873-31afc6dcfcf9
Behavior Graph:
Download SVG
%3 guuid=11f6cf7b-1800-0000-7499-408dbb0c0000 pid=3259 /usr/bin/sudo guuid=107a3e7e-1800-0000-7499-408dbf0c0000 pid=3263 /tmp/sample.bin guuid=11f6cf7b-1800-0000-7499-408dbb0c0000 pid=3259->guuid=107a3e7e-1800-0000-7499-408dbf0c0000 pid=3263 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/70574075-0a3d-486f-8c99-4ffba90c1a3b
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1944559
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: 1944559 Sample: putita.mpsl.elf Startdate: 18/07/2026 Architecture: LINUX Score: 96 55 64.89.163.215, 59914, 59916, 59918 NETIFACE-TORONTO-NetifaceAmericaIncUS Germany 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 Sample is packed with UPX 2->59 9 putita.mpsl.elf 2->9         started        13 systemd snap-failure 2->13         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 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 15 putita.mpsl.elf sh 9->15         started        17 putita.mpsl.elf sh 9->17         started        19 putita.mpsl.elf chattr 9->19         started        26 6 other processes 9->26 22 snap-failure systemctl 13->22         started        24 snap-failure 13->24         started        signatures6 process7 signatures8 28 sh crontab 15->28         started        32 sh 15->32         started        34 sh crontab 17->34         started        61 Protects files from modification 19->61 36 putita.mpsl.elf 26->36         started        38 putita.mpsl.elf 26->38         started        40 putita.mpsl.elf 26->40         started        process9 file10 53 /var/spool/cron/crontabs/tmp.OElERr, ASCII 28->53 dropped 73 Sample tries to persist itself using cron 28->73 75 Executes the "crontab" command typically for achieving persistence 28->75 42 sh crontab 32->42         started        signatures11 process12 signatures13 71 Executes the "crontab" command typically for achieving persistence 42->71
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/8bf2c8388ce4cf77cfd8ae588575b57f18bc25eeb6fcfd219ff3e3c21f3325dd
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8bf2c8388ce4cf77cfd8ae588575b57f18bc25eeb6fcfd219ff3e3c21f3325dd/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-18 07:03:49 UTC
File Type:
ELF32 Little (SO)
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rpzmqoem4thxpt6yvzmik5nvp4mlyjpow36p2im76pr4ehztexoq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation upx
Link:
https://tria.ge/reports/260718-ht3pyaez8w/
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:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/8bf2c8388ce4cf77cfd8ae588575b57f18bc25eeb6fcfd219ff3e3c21f3325dd

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: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 8bf2c8388ce4cf77cfd8ae588575b57f18bc25eeb6fcfd219ff3e3c21f3325dd

(this sample)

Mirai

elf 5f7e953752cc49c2688bf292228885f4e360ad5eeb5d50a6b99943eae38a5022

  
URLhaus
https://urlhaus.abuse.ch/url/3885284/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 5f7e953752cc49c2688bf292228885f4e360ad5eeb5d50a6b99943eae38a5022
  
Dropping
MD5 40ed21bf634eb775b8724dcc7a696aeb

Comments