MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5c3c2b798a054a21d0adedaa3c8fb854150ade25c67dab31319fd2ae1890c70b. 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

SHA256 hash: 5c3c2b798a054a21d0adedaa3c8fb854150ade25c67dab31319fd2ae1890c70b
SHA3-384 hash: dc79f449b6c9376ab744c4c97db08a1f6a7d5d65b3c57aee2e95319dc8c3ffc670afc2efa5ac3684c06b90b44b1d50e0
SHA1 hash: 419a570f2be24ed599408622f3cfcae8ac5a82e7
MD5 hash: 978f5685e8cca91b3b165309d6e9c1c1
humanhash: summer-ink-sierra-music
File name:arm4
Download: download sample
Signature Mirai
File size:87'480 bytes
First seen:2024-11-08 00:25:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:ZqCg/h0q12fqHNxvb99Hq+59f/tL2vJPbw2lM45/Y69Nvv5z4:ZqCg/qk2fMxvpI+59/8BPbwej5z4
TLSH T1A8836B95BD819A12C6D021BBFB2E428D372653A8D3EF3207CD256F21378796B0E77641
telfhash t1daf0dc6148160ad42bd5b049f009252f89be32f36d34198d81ddbf37c217185ba70d1d
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 :
21'209
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug lolbin remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
55
Number of processes launched:
7
Processes remaning?
true
Remote TCP ports scanned:
23
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
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
76 / 100
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
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1551701 Sample: arm4.elf Startdate: 08/11/2024 Architecture: LINUX Score: 76 38 133.132.251.134 XEPHIONNTT-MECorporationJP Japan 2->38 40 147.57.192.21 WA-STATE-GOVUS United States 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 50 Uses known network protocols on non-standard ports 2->50 9 arm4.elf 2->9         started        signatures3 process4 process5 11 arm4.elf sh 9->11         started        13 arm4.elf 9->13         started        15 arm4.elf 9->15         started        17 arm4.elf 9->17         started        process6 19 sh crontab 11->19         started        23 sh 11->23         started        25 arm4.elf 13->25         started        27 arm4.elf 13->27         started        29 arm4.elf 15->29         started        file7 36 /var/spool/cron/crontabs/tmp.RqJK4M, ASCII 19->36 dropped 52 Sample tries to persist itself using cron 19->52 54 Executes the "crontab" command typically for achieving persistence 19->54 31 sh crontab 23->31         started        34 arm4.elf 25->34         started        signatures8 process9 signatures10 56 Executes the "crontab" command typically for achieving persistence 31->56
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2024-11-08 00:26:04 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:botnet defense_evasion discovery execution persistence privilege_escalatio
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 (298815) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Gafgyt-6735924-0
YARA:
n/a
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:unixredflags3
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 5c3c2b798a054a21d0adedaa3c8fb854150ade25c67dab31319fd2ae1890c70b

(this sample)

  
Delivery method
Distributed via web download

Comments