MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2ffefb31dabd53ac8259deae8cd3d2ed5813e4ac15b7fa4cbb4882627b803de2. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2ffefb31dabd53ac8259deae8cd3d2ed5813e4ac15b7fa4cbb4882627b803de2
SHA3-384 hash: cf9228277ba575b996aad21d605587d8318662095f0ec12496471f9f416e40008c86897f7ba4cc59d51971d85e4a7b7c
SHA1 hash: cba6df8ab7988fa56e51ad64e782c8cb0c2bb72b
MD5 hash: 008f96dcdbb513e17cf5376a599973e7
humanhash: march-snake-blossom-earth
File name:e7763421d994358879b052070205b41c1603d17e8d0ce362c47893e438c5fcc4.elf
Download: download sample
Signature Mirai
Create hunting rule
File size:120'256 bytes
First seen:2026-08-07 05:24:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:k4Y3KobiEZhEVGUQ4g8OfC+qKz+uD2dh4dsVp4f1DlX:kf5gVGUQ4g8Oq+qKYdh4e495
TLSH T1EDC32A9AFC90DE52C6D52675FA5E418C332317B8C3DA7206CD209E34B7E7D5A0E3A942
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 e7763421d994358879b052070205b41c1603d17e8d0ce362c47893e438c5fcc4
File size (compressed) :55'132 bytes
File size (de-compressed) :120'256 bytes
Format:linux/arm
Packed file: e7763421d994358879b052070205b41c1603d17e8d0ce362c47893e438c5fcc4

Intelligence

File Origin
# of uploads :
1
# of downloads :
71
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.ELF.Mirai-DJZ.66759197.UNOFFICIAL
Create hunting rule

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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc mirai rust
Link:
https://www.filescan.io/uploads/6a756c43ad8b2ec0d673e273/reports/1ad123d5-8aa9-4387-8026-f1ec5e8774e2/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-08-07T03:33:00Z UTC
Last seen:
2026-08-07T04:04:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/2ffefb31dabd53ac8259deae8cd3d2ed5813e4ac15b7fa4cbb4882627b803de2/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/9e1b6fa0-7153-4430-a45a-a98fc510f6cb
Behavior Graph:
Download SVG
%3 guuid=93aa27af-1a00-0000-755e-a132f1080000 pid=2289 /usr/bin/sudo guuid=6bd05ab1-1a00-0000-755e-a132fb080000 pid=2299 /tmp/sample.bin guuid=93aa27af-1a00-0000-755e-a132f1080000 pid=2289->guuid=6bd05ab1-1a00-0000-755e-a132fb080000 pid=2299 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/898cdb7d-1b61-40e6-8f9c-73de8ea5e096
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/2ffefb31dabd53ac8259deae8cd3d2ed5813e4ac15b7fa4cbb4882627b803de2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2ffefb31dabd53ac8259deae8cd3d2ed5813e4ac15b7fa4cbb4882627b803de2/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-07 05:25:33 UTC
File Type:
ELF32 Little (SO)
AV detection:
7 of 36 (19.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f77pwmo2xvj2zasz32xizu6s5vmbhzfmcw37utf3jcbge64ahxra._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion execution persistence privilege_escalation
Link:
https://tria.ge/reports/260807-f4g5wa1tfx/
Behaviour
Changes its process name
Modifies Bash startup script
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/2ffefb31dabd53ac8259deae8cd3d2ed5813e4ac15b7fa4cbb4882627b803de2

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:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf e7763421d994358879b052070205b41c1603d17e8d0ce362c47893e438c5fcc4

Mirai

elf 2ffefb31dabd53ac8259deae8cd3d2ed5813e4ac15b7fa4cbb4882627b803de2

(this sample)

  
Dropped by
SHA256 e7763421d994358879b052070205b41c1603d17e8d0ce362c47893e438c5fcc4
  
Dropped by
MD5 c6e0b4f18dc93e9d2b01874842f5affb
  
URLhaus
https://urlhaus.abuse.ch/url/3885281/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3892127/

Comments