MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc5bf086551430f2bf8a5742be05c0789c4f32f275a14ebb30caebfd25813c32. 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: dc5bf086551430f2bf8a5742be05c0789c4f32f275a14ebb30caebfd25813c32
SHA3-384 hash: f7284e3b143439e41f9646baa9a0412f62775083fc86683f89cd204e7b1d2d7b9a7e94d952b59a17b1536a27c9e64d13
SHA1 hash: b931e1ee8037637ad5116d58aeb63bf8319a22f7
MD5 hash: c158dccabfd656b404043eca2b2f7e69
humanhash: king-cat-delta-fish
File name:putita.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:81'728 bytes
First seen:2026-07-19 13:08:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:mpA0Sp0rauFzIEPn1DbvNJno+4+O8ZbebqUpjB9Pj/IR0f6xi0Z6:sO0225u+4+1lUtBhjgR0Ci0w
TLSH T15E8312D5CF6F97F9EB1359F118D72AE1042EC0062239DB7813B52B95AA3FC20E92191D
Magika elf
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :81'728 bytes
File size (de-compressed) :183'768 bytes
Format:linux/mipsel
Unpacked file: b8045ef43df0ccbd3cfde0fbcc7e51e11ed44a09098e0652ceed1bfebc4feffd

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/fc8ebfcb-8803-4631-87b8-c775aa5f4119/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sets a written file as executable
Launching a process
Connection attempt
Runs as daemon
Receives data from a server
Sends data to a server
Changes the time when the file was created, accessed, or modified
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/6a5ccc882727e7cff69f22c8/reports/002585d8-5797-41ba-a74c-241892c1e47b/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-19T10:18:00Z UTC
Last seen:
2026-07-19T11:49:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Linux.Agent.vn HEUR:Backdoor.Linux.Mirai.hv
Link:
https://opentip.kaspersky.com/dc5bf086551430f2bf8a5742be05c0789c4f32f275a14ebb30caebfd25813c32/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f97e9ce0-db88-44cc-be87-f61f0daff80a
Behavior Graph:
Download SVG
%3 guuid=c91e307e-1800-0000-4304-9214110c0000 pid=3089 /usr/bin/sudo guuid=97306e80-1800-0000-4304-9214120c0000 pid=3090 /tmp/sample.bin guuid=c91e307e-1800-0000-4304-9214110c0000 pid=3089->guuid=97306e80-1800-0000-4304-9214120c0000 pid=3090 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b6436f64-b665-45b6-b626-f0e2706b43ed
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1944777
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: 1944777 Sample: putita.mpsl.elf Startdate: 19/07/2026 Architecture: LINUX Score: 96 49 64.89.163.215, 59900, 59902, 59904 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.mpsl.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.mpsl.elf sh 9->13         started        15 putita.mpsl.elf sh 9->15         started        17 putita.mpsl.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.mpsl.elf 20->30         started        32 putita.mpsl.elf 20->32         started        34 putita.mpsl.elf 20->34         started        process9 file10 39 /var/spool/cron/crontabs/tmp.zziafO, 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/dc5bf086551430f2bf8a5742be05c0789c4f32f275a14ebb30caebfd25813c32
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dc5bf086551430f2bf8a5742be05c0789c4f32f275a14ebb30caebfd25813c32/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-19 13:10:25 UTC
File Type:
ELF32 Little (SO)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3rn7bbsvcqypfp4kk5bl4boapcoe6mxsowqu5ozqzlv72jmbhqza._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation upx
Link:
https://tria.ge/reports/260719-qd2fyabx6n/
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/dc5bf086551430f2bf8a5742be05c0789c4f32f275a14ebb30caebfd25813c32

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 dc5bf086551430f2bf8a5742be05c0789c4f32f275a14ebb30caebfd25813c32

(this sample)

Mirai

elf b8045ef43df0ccbd3cfde0fbcc7e51e11ed44a09098e0652ceed1bfebc4feffd

  
URLhaus
https://urlhaus.abuse.ch/url/3885284/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 b8045ef43df0ccbd3cfde0fbcc7e51e11ed44a09098e0652ceed1bfebc4feffd
  
Dropping
MD5 5ce8e737436c271f939b379a3d88046f

Comments