MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42abf53f393f7f6b23ace02dcecf8196ef678ad8b2e7c5d784aa3cb044419662. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 42abf53f393f7f6b23ace02dcecf8196ef678ad8b2e7c5d784aa3cb044419662
SHA3-384 hash: f8c8af6a3ee17349e7975cb47e97ff8cbba731d63b28581245b0630b493b90c55bc605b3c6af2efd7d1b00e6986ea126
SHA1 hash: 350258251451d041550e7ee08bd60bc4cb68f3af
MD5 hash: 16ce797b5a509d31bb999b13d2ceb899
humanhash: delaware-glucose-nitrogen-georgia
File name:16ce797b5a509d31bb999b13d2ceb899
Download: download sample
Signature Mirai
Create hunting rule
File size:125'403 bytes
First seen:2024-07-22 22:27:22 UTC
Last seen:2024-08-05 12:30:54 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:qKlmVLTRAdyi8sclagWcnKFQxgPa55VOpmmyYThQ/1RnoY:qRsYaKBxgPa1OpmmyYThQ/1RnoY
TLSH T1AFC33B01D9518767C1D2277ABBAF425D33236B68E78733115E28AFB42F82B9D1E3D121
telfhash t10821f047e17f86255fb21824dc784bf501196b27a6527f70bf1ec2c4401e0027925e5f
Reporter zbetcheckin
Tags:32 arm elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
110
Origin country :
FR FR
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-9917488-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Launching a process
Changes access rights for a written file
Sends data to a server
DNS request
Receives data from a server
Connection attempt
Creating a file
Runs as daemon
Changes the time when the file was created, accessed, or modified
Kills critical processes
Creates or modifies files in /cron to set up autorun
Writes files to system directory
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt gcc lolbin mirai remote
Link:
https://www.filescan.io/uploads/669edcf67b9add553ed9d543/reports/ea3ca654-74b5-49e0-9091-78f3b2155c2e/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
93
Number of processes launched:
7
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/42abf53f393f7f6b23ace02dcecf8196ef678ad8b2e7c5d784aa3cb044419662
Behaviour
Persistence
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/979cfae0-0fe5-4da4-9cba-11aff426f642
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1478772
Signature
Contains symbols with names commonly found in malware
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1478772 Sample: B69DY3kj70.elf Startdate: 23/07/2024 Architecture: LINUX Score: 60 31 conn.masjesu.zip 37.44.238.67, 443, 60038 HARMONYHOSTING-ASFR France 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 Contains symbols with names commonly found in malware 2->35 9 B69DY3kj70.elf 2->9         started        signatures3 process4 process5 11 B69DY3kj70.elf 9->11         started        13 B69DY3kj70.elf 9->13         started        process6 15 B69DY3kj70.elf sh 11->15         started        17 B69DY3kj70.elf sh 11->17         started        19 B69DY3kj70.elf 13->19         started        21 B69DY3kj70.elf 13->21         started        process7 23 sh crontab 15->23         started        27 sh crontab 17->27         started        file8 29 /var/spool/cron/crontabs/tmp.ojegmY, ASCII 23->29 dropped 37 Sample tries to persist itself using cron 23->37 39 Executes the "crontab" command typically for achieving persistence 23->39 signatures9
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/42abf53f393f7f6b23ace02dcecf8196ef678ad8b2e7c5d784aa3cb044419662
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/42abf53f393f7f6b23ace02dcecf8196ef678ad8b2e7c5d784aa3cb044419662/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-07-18 05:53:53 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ikv7kpzzh57wwi5m4aw45t4bs3xwpcwywlt4lv4evi6larcbszra._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Link:
https://tria.ge/reports/240722-2dnevssalb/
Behaviour
Reads runtime system information
Creates/modifies Cron job
Enumerates running processes
Renames itself
Please note that we are no longer able to provide a coverage score for Virus Total.

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:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 42abf53f393f7f6b23ace02dcecf8196ef678ad8b2e7c5d784aa3cb044419662

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3061757/

Comments


Avatar
zbet commented on 2024-07-22 22:27:23 UTC

url : hxxp://37.44.238.67/bins/9cwn0RHwzQ0BA6we20R3F2YBCXSO4fjeB2