MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42f89fcdbee41b364f91d2747a0e96f730f334a61e4ad61f9dbe9fd80765574c. 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: 42f89fcdbee41b364f91d2747a0e96f730f334a61e4ad61f9dbe9fd80765574c
SHA3-384 hash: 667461206f7b41ec2a802d7bb8c55cde833ad74fd3531fba39845a3933bda5ffd56e34566990cd8274971cb966c0a2ec
SHA1 hash: 9a9e5b3014c9e376d1d06cd5a28d3bbc71e01884
MD5 hash: 5a1e5de92269cec21badf922332aeb02
humanhash: november-july-social-butter
File name:xnxnxnxnxnxnxnxni386xnxn
Download: download sample
Signature Mirai
Create hunting rule
File size:59'380 bytes
First seen:2025-11-22 03:32:00 UTC
Last seen:2025-11-22 09:55:28 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:xnvd3HxvJyp+igTRpABMOJpyov2LXCfqrjow2MoLkg4azHf2:x3FxpABMgp3vG8w2nLGazHu
TLSH T12D430182078C1C60D92B97B7D7218E668077C9E1625B5394EF316F4484FA3937B8DEE2
telfhash t1eab022bb88c0cecf28808c33ce032b3030c3aa2328000030c8cc020032b038383f0022
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf UPX
File size (compressed) :59'380 bytes
File size (de-compressed) :119'452 bytes
Format:linux/i386
Unpacked file: b7231de050027be14e7662bafd139be854a0257792d064f6ee45980737143ae3

Intelligence

File Origin
# of uploads :
2
# of downloads :
45
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Creating a file in the %temp% directory
Deletes a file
Creating a file
Locks files
Deleting a recently created file
Sends data to a server
Substitutes an application name
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
gafgyt packed upx
Link:
https://www.filescan.io/uploads/69212ec26c89728b98257f89/reports/5688763c-6ba8-4166-86d2-715170ce75c0/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-22T00:13:00Z UTC
Last seen:
2025-11-22T03:29:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/42f89fcdbee41b364f91d2747a0e96f730f334a61e4ad61f9dbe9fd80765574c/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b2b0b990-e83a-49f1-a455-b0bc55b80744
Result
Threat name:
n/a
Detection:
suspicious
Classification:
evad
Score:
21 / 100
Link:
https://www.joesandbox.com/analysis/1818969
Signature
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1818969 Sample: xnxnxnxnxnxnxnxni386xnxn.elf Startdate: 22/11/2025 Architecture: LINUX Score: 21 12 109.202.202.202, 80 INIT7CH Switzerland 2->12 14 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->14 16 2 other IPs or domains 2->16 18 Sample is packed with UPX 2->18 6 dash rm 2->6         started        8 dash rm 2->8         started        10 xnxnxnxnxnxnxnxni386xnxn.elf 2->10         started        signatures3 process4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/42f89fcdbee41b364f91d2747a0e96f730f334a61e4ad61f9dbe9fd80765574c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/42f89fcdbee41b364f91d2747a0e96f730f334a61e4ad61f9dbe9fd80765574c/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=il4j7tn64qntmt4r2j2huduw64ypgnfgdzfnmh45x2p5qb3fk5ga._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm defense_evasion discovery linux upx
Link:
https://tria.ge/reports/251122-d3tfeacl9z/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads system network configuration
Checks hardware identifiers (DMI)
Enumerates active TCP sockets
Enumerates running processes
Deletes Audit logs
Deletes journal logs
Deletes system logs
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/7542bd63-5b1c-4f17-a434-838350bfb6aa
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/42f89fcdbee41b364f91d2747a0e96f730f334a61e4ad61f9dbe9fd80765574c

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 42f89fcdbee41b364f91d2747a0e96f730f334a61e4ad61f9dbe9fd80765574c

(this sample)

Mirai

elf b7231de050027be14e7662bafd139be854a0257792d064f6ee45980737143ae3

  
URLhaus
https://urlhaus.abuse.ch/url/3713394/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 b7231de050027be14e7662bafd139be854a0257792d064f6ee45980737143ae3
  
Dropping
MD5 4df960a236520f5192700ed004246c54

Comments