MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c21abbd2a05581a23ef4e2d9aafd8c0687c28399655ad8788e1d0209e3d3863. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4c21abbd2a05581a23ef4e2d9aafd8c0687c28399655ad8788e1d0209e3d3863
SHA3-384 hash: 390f89484adbfd99e2a0558e44c5f659c23759e0cd8c1943c675b267ecad2662e2e414552bb5c0eb8afe85e33277551e
SHA1 hash: 50b7a6dd7b2c49af5293e8d5280879ffeb610a23
MD5 hash: 5f44fd5c99b31af18e6510450eb4ce17
humanhash: black-mango-vermont-idaho
File name:splarm7
Download: download sample
Signature Mirai
Create hunting rule
File size:116'052 bytes
First seen:2025-12-29 01:43:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:wbzUhDgMF+UaTIFuc7GJGwLqjCaaxRFnr8XUWDrbVHqL8GuZq:wXUhDJF+UaTIwc7GJlLWCaaxRFnrSUkm
TLSH T1CCB3179AE8819B16D5D522BEFE1E118C331357BCE3EE72039D249F2467CA91B0E7B501
telfhash t171e02b46df740de46bf86728c0fc1566887d3759a1214413e052cd1b95025d37028d2b
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
42
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Mirai-10008934-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/6951dcf5127d6a14e0c56c73/reports/1a08d6b1-e94c-4e48-97c5-6d121e8828c6/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-28T22:52:00Z UTC
Last seen:
2025-12-28T23:38:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen
Link:
https://opentip.kaspersky.com/4c21abbd2a05581a23ef4e2d9aafd8c0687c28399655ad8788e1d0209e3d3863/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c7851f9b-45b1-42fd-85e7-36b3c0578eb9
Behavior Graph:
Download SVG
%3 guuid=29b13c6d-1900-0000-7e55-14d8660c0000 pid=3174 /usr/bin/sudo guuid=252d0770-1900-0000-7e55-14d8670c0000 pid=3175 /tmp/sample.bin guuid=29b13c6d-1900-0000-7e55-14d8660c0000 pid=3174->guuid=252d0770-1900-0000-7e55-14d8670c0000 pid=3175 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8e87aede-7960-492b-97a5-3bb9aa567249
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1841105
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1841105 Sample: splarm7.elf Startdate: 29/12/2025 Architecture: LINUX Score: 72 18 13.8.153.83 XEROX-WVUS United States 2->18 20 164.114.94.124 WORLDBANKUS United States 2->20 22 100 other IPs or domains 2->22 24 Antivirus / Scanner detection for submitted sample 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected Mirai 2->28 8 splarm7.elf 2->8         started        signatures3 process4 process5 10 splarm7.elf 8->10         started        process6 12 splarm7.elf 10->12         started        14 splarm7.elf 10->14         started        16 splarm7.elf 10->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4c21abbd2a05581a23ef4e2d9aafd8c0687c28399655ad8788e1d0209e3d3863
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4c21abbd2a05581a23ef4e2d9aafd8c0687c28399655ad8788e1d0209e3d3863/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/4c21abbd2a05581a23ef4e2d9aafd8c0687c28399655ad8788e1d0209e3d3863
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-29 01:44:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jqq2xpjkavmbui7pjywzvl6yybuhykbzszk23b4i4hicbhr5hbrq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion discovery
Link:
https://tria.ge/reports/251229-b5zn4acp9t/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Modifies Watchdog functionality
Renames itself
Unexpected DNS network traffic destination
Contacts a large (56883) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/db2802f4-da4b-41ae-8406-18c0b93107cf
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/4c21abbd2a05581a23ef4e2d9aafd8c0687c28399655ad8788e1d0209e3d3863

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_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
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 4c21abbd2a05581a23ef4e2d9aafd8c0687c28399655ad8788e1d0209e3d3863

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739139/
  
Delivery method
Distributed via web download

Comments