MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f45c91288ddf6aa0eda5719cf53fe22601fa5fad8e7acb765ad1b08b06639d9b. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f45c91288ddf6aa0eda5719cf53fe22601fa5fad8e7acb765ad1b08b06639d9b
SHA3-384 hash: a97a680f8409f9a58179582c3bd137f393fc81d33c42ace4c461b5cc4a6bb443a3dc36941d0ac9366212bc6301d5c538
SHA1 hash: 36f91d63343b4fb439a003f1d0b2c50385989c2d
MD5 hash: 0be650a01dccdb8f59b9c99aed225b50
humanhash: michigan-papa-equal-stairway
File name:arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:83'912 bytes
First seen:2024-11-07 23:51:44 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:SFYlBkh1PLC3DkzxIo99HKG5tVtNf31H+tn5uSYRStNbC3lz4:SFYlBoDtzxI0YG5tVflH+tASJtt+z4
TLSH T141834A85FD815A12C6C121BBFB6E428D372653A8D3EF3207DD256F24378B86B0E67641
telfhash t166f097aa08860ddc3bc83098e1d7722f8a4cb0f619240049e2ed5e3a8559984f463518
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 mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
82
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
Create hunting rule

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672d52a596bcb959b48d5625linux22vpnfull_triage
Tags:
malware
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug lolbin remote
Link:
https://www.filescan.io/uploads/672d52a490de01255258778e/reports/9944eee1-d5c2-47c6-993c-09f9a1d07aa6/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:
7
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/f45c91288ddf6aa0eda5719cf53fe22601fa5fad8e7acb765ad1b08b06639d9b
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/7f8bb060-77ba-45ee-8dd5-8928efeb1808
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1551691
Signature
Antivirus / Scanner detection for submitted sample
Executes the "crontab" command typically for achieving persistence
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: 1551691 Sample: arm5.elf Startdate: 08/11/2024 Architecture: LINUX Score: 72 38 155.181.44.195 ZAMRENZM United States 2->38 40 123.105.47.167 XEPHIONNTT-MECorporationJP Japan 2->40 42 99 other IPs or domains 2->42 44 Antivirus / Scanner detection for submitted sample 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 Yara detected Mirai 2->48 9 arm5.elf 2->9         started        signatures3 process4 process5 11 arm5.elf sh 9->11         started        13 arm5.elf 9->13         started        15 arm5.elf 9->15         started        17 arm5.elf 9->17         started        process6 19 sh crontab 11->19         started        23 sh 11->23         started        25 arm5.elf 13->25         started        27 arm5.elf 13->27         started        29 arm5.elf 15->29         started        file7 36 /var/spool/cron/crontabs/tmp.GhAfvW, ASCII 19->36 dropped 50 Sample tries to persist itself using cron 19->50 52 Executes the "crontab" command typically for achieving persistence 19->52 31 sh crontab 23->31         started        34 arm5.elf 25->34         started        signatures8 process9 signatures10 54 Executes the "crontab" command typically for achieving persistence 31->54
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f45c91288ddf6aa0eda5719cf53fe22601fa5fad8e7acb765ad1b08b06639d9b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f45c91288ddf6aa0eda5719cf53fe22601fa5fad8e7acb765ad1b08b06639d9b/
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:
11 of 38 (28.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6rojcken35vkb3nfogopkp7ceya7ux5nrz5mw5s22gyiwbtdtwnq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:botnet defense_evasion discovery execution persistence privilege_escalatio
Link:
https://tria.ge/reports/241107-3wp7vazlh1/
Behaviour
Reads runtime system information
Changes its process name
Creates/modifies Cron job
Enumerates running processes
File and Directory Permissions Modification
Renames itself
Unexpected DNS network traffic destination
Contacts a large (298495) 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/0779a1ac-e395-4126-bd43-3d5c10a7e1d9
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/f45c91288ddf6aa0eda5719cf53fe22601fa5fad8e7acb765ad1b08b06639d9b

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_d94e1020
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 f45c91288ddf6aa0eda5719cf53fe22601fa5fad8e7acb765ad1b08b06639d9b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3280871/
  
Delivery method
Distributed via web download

Comments