MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4004ef12af35dc5d10e7ee66395b2107d0a9e76e53635fdc1c58dc66410cea70. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4004ef12af35dc5d10e7ee66395b2107d0a9e76e53635fdc1c58dc66410cea70
SHA3-384 hash: 4dbe51b0150f0f031e807204a1176e9dd54da4cc8b5516f574057d71695f07e577a45230fbf5c13c0ff69352e41c0b26
SHA1 hash: 438490e957a4756b7716eefd7ffc381aac658b0e
MD5 hash: a79f4acc2a806123526b4b5d42bd4b28
humanhash: ohio-eight-fifteen-cold
File name:arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:113'412 bytes
First seen:2024-11-07 23:51:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:o0dthRnIV5oXaa+X+8ia40x5kfTnigLTqTzZXX:o0dXRIcaa+X+8iaVx5ynicToXX
TLSH T1ECB30946A9819F11D5D731FAFAAE414933136BBCE3EA7101DD20AF6027CA9DB0F76502
telfhash t1fbd02bed875ddee9b7d3e945909f750b8bacf2738f035061854d0a5fc101063b16ae16
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
80
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.31076.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
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Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Mounts file systems
Creating a file
Receives data from a server
DNS request
Changes access rights for a written file
Launching a process
Changes the time when the file was created, accessed, or modified
Opens a port
Sends data to a server
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Performs a bruteforce attack in the network
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug expand gcc lolbin remote
Link:
https://www.filescan.io/uploads/672d52a353112d61aaa92c8c/reports/c31e182b-bf00-4797-a403-d3d8b73115b8/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
47
Number of processes launched:
10
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/4004ef12af35dc5d10e7ee66395b2107d0a9e76e53635fdc1c58dc66410cea70
Behaviour
Anti-VM
Persistence
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bd6a7928-82e3-4109-b9ae-1ee6738c758c
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1551692
Signature
Antivirus / Scanner detection for submitted sample
Executes the "crontab" command typically for achieving persistence
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1551692 Sample: arm7.elf Startdate: 08/11/2024 Architecture: LINUX Score: 76 44 155.183.159.124 ZAMRENZM United States 2->44 46 71.4.34.42 XO-AS15US United States 2->46 48 100 other IPs or domains 2->48 50 Antivirus / Scanner detection for submitted sample 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 Yara detected Mirai 2->54 9 arm7.elf 2->9         started        signatures3 process4 file5 42 /root/.bashrc, ASCII 9->42 dropped 62 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 9->62 13 arm7.elf sh 9->13         started        15 arm7.elf 9->15         started        17 arm7.elf sh 9->17         started        19 2 other processes 9->19 signatures6 process7 process8 21 sh crontab 13->21         started        25 sh 13->25         started        27 arm7.elf 15->27         started        29 arm7.elf 15->29         started        31 sh 17->31         started        33 arm7.elf 19->33         started        file9 40 /var/spool/cron/crontabs/tmp.dI7WTd, ASCII 21->40 dropped 58 Sample tries to persist itself using cron 21->58 60 Executes the "crontab" command typically for achieving persistence 21->60 35 sh crontab 25->35         started        38 arm7.elf 27->38         started        signatures10 process11 signatures12 56 Executes the "crontab" command typically for achieving persistence 35->56
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4004ef12af35dc5d10e7ee66395b2107d0a9e76e53635fdc1c58dc66410cea70
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4004ef12af35dc5d10e7ee66395b2107d0a9e76e53635fdc1c58dc66410cea70/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-11-07 23:52:04 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 38 (31.58%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iaco6evpgxof2ehh5ztdswzba7iktz3oknrv7xa4ldogmqim5jya._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:botnet defense_evasion discovery execution persistence privilege_escalatio privilege_escalation
Link:
https://tria.ge/reports/241107-3wp7vatjgq/
Behaviour
Command and Scripting Interpreter: Unix Shell
Enumerates kernel/hardware configuration
Reads runtime system information
Changes its process name
Creates/modifies Cron job
Modifies systemd
File and Directory Permissions Modification
Renames itself
Unexpected DNS network traffic destination
Contacts a large (287673) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Gafgyt-6735924-0
YARA:
n/a
Link:
https://app.threat.zone/submission/67da9f22-cbb4-4f67-8676-9f12532b8405
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/4004ef12af35dc5d10e7ee66395b2107d0a9e76e53635fdc1c58dc66410cea70

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_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
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 4004ef12af35dc5d10e7ee66395b2107d0a9e76e53635fdc1c58dc66410cea70

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3280865/
  
Delivery method
Distributed via web download

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