MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f28dafd23533bff77ff9f1efa67b1e26224b4022610b9226c0d6b6045ee30b4d. 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: 5


Intelligence 5 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f28dafd23533bff77ff9f1efa67b1e26224b4022610b9226c0d6b6045ee30b4d
SHA3-384 hash: e8ccfb36a1114096febd23d5797d5d9adf87641aba3558ce738ec2d6ed19a9eb8a8c6ca97f394c219194f67f5bb4eede
SHA1 hash: c58385574f83c839d7762062eae295087857bf02
MD5 hash: 0820a8ab06c736416ecdfaa7cf4742eb
humanhash: four-louisiana-stream-hotel
File name:f28dafd23533bff77ff9f1efa67b1e26224b4022610b9226c0d6b6045ee30b4d.elf
Download: download sample
Signature Mirai
Create hunting rule
File size:136'648 bytes
First seen:2026-08-23 20:03:07 UTC
Last seen:2026-08-24 08:53:54 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:gi5QLEqS2mPbg8KW4TuGi5E9GlQsrapLJwBx+xpLJmxk0TUw:gLLibg8o/E6kapL0qJA
TLSH T18BD312670D2A0E71C554B620C7A5D09FB11B1D3E1DA49610C0DF7C4D0A8EF669BB9ECB
Magika elf
Reporter whack_sh
Tags:elf exe UPX whack.sh
File size (compressed) :136'648 bytes
File size (de-compressed) :279'164 bytes
Format:linux/mipsel
Unpacked file: 19aceb06971868b91676e32b967c322681937201b416368cfaf0ec99b595ab6e

Intelligence

File Origin
# of uploads :
2
# of downloads :
117
Origin country :
US US
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/54c17540-d944-45c5-aa5e-ab82b57e0db0/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Changes the time when the file was created, accessed, or modified
Opens a port
Creating a file
Launching a process
Connection attempt
Sets a written file as executable
Runs as daemon
Creates or modifies symbolic links
Changes access rights for a written file
Creates or modifies files in /cron to set up autorun
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
Creates or modifies files to set up autorun
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/6a8b520664e0ea1baf1b92a3/reports/bf4ee1d9-8bf8-42e1-84a1-4468616cab63/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/af103d01-4015-4639-afb5-e8b5d70ce4b7
Behavior Graph:
Download SVG
%3 guuid=13a55af1-1c00-0000-7512-2596f30a0000 pid=2803 /usr/bin/sudo guuid=579fecf2-1c00-0000-7512-2596f70a0000 pid=2807 /tmp/sample.bin guuid=13a55af1-1c00-0000-7512-2596f30a0000 pid=2803->guuid=579fecf2-1c00-0000-7512-2596f70a0000 pid=2807 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/5679e122-8b9f-4bd5-bd55-abc4d6a6c64b
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f28dafd23533bff77ff9f1efa67b1e26224b4022610b9226c0d6b6045ee30b4d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f28dafd23533bff77ff9f1efa67b1e26224b4022610b9226c0d6b6045ee30b4d/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6kg27urvgo77o77z6hx2m6y6eyrewqbcmefzejwa223aixxdbngq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation upx
Link:
https://tria.ge/reports/260823-yss24svtgs/
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/f28dafd23533bff77ff9f1efa67b1e26224b4022610b9226c0d6b6045ee30b4d

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 f28dafd23533bff77ff9f1efa67b1e26224b4022610b9226c0d6b6045ee30b4d

(this sample)

Mirai

elf 19aceb06971868b91676e32b967c322681937201b416368cfaf0ec99b595ab6e

  
Delivery method
Distributed via web download
  
Dropping
SHA256 19aceb06971868b91676e32b967c322681937201b416368cfaf0ec99b595ab6e
  
Dropping
MD5 072d491b362229989ae9a30b76bed281
  
URLhaus
https://urlhaus.abuse.ch/url/3885284/

Comments