MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a72b050b9a46ee3fa7e63715f73b8f7e32c6064bd731c0d816d2918279c30fe1. 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 10 File information Comments

SHA256 hash: a72b050b9a46ee3fa7e63715f73b8f7e32c6064bd731c0d816d2918279c30fe1
SHA3-384 hash: c28c3b0f26bc25851e1624e415a9671fc1abe31ae26192c02a46ff7263eae11f6686b9760c8971249b08186e561faa81
SHA1 hash: a4ee04cca79f1340aaffd4a7b2bba8238d8a516d
MD5 hash: 749ded59e1c1e98298274938b7b8cb6f
humanhash: mobile-hot-five-march
File name:ecco.arm7
Download: download sample
Signature Mirai
File size:332'849 bytes
First seen:2025-12-05 17:29:23 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:U0Hg/DvEQw3E922G3BWxfrfaPMaBpXTYVabpiN0lWnng2ZZRM/RBm32eCgHmSm8:U0A/DvEf3C22GMxfrfakaBpXTMadiTn1
TLSH T14D643A46EA418E23C4C517B6F6AF4246333397A4D3E7B2069A285FB43BC775E0E23645
telfhash t1b25187f18b3a8d215e72fb189ced9b61656fca164645fe33df12c88c501600ed616c5f
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 84b15c2df1ad681b6ed9b7fc209ef58ffd8e49cdbe7d2901ae9543e16c201250
File size (compressed) :110'352 bytes
File size (de-compressed) :332'849 bytes
Format:linux/arm
Packed file: 84b15c2df1ad681b6ed9b7fc209ef58ffd8e49cdbe7d2901ae9543e16c201250

Intelligence


File Origin
# of uploads :
1
# of downloads :
33
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Sanesecurity.Malware.29524.LC.UNOFFICIAL
Sanesecurity.Malware.30395.LC.UNOFFICIAL
Sanesecurity.Malware.30435.LC.UNOFFICIAL
SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Sanesecurity.Malware.29001.LCM.UNOFFICIAL
Unix.Trojan.Mirai-7100807-0
Unix.Dropper.Mirai-7135870-0
Unix.Dropper.Mirai-7135881-0
Unix.Dropper.Mirai-7135897-0
Unix.Dropper.Mirai-7135901-0
Unix.Dropper.Mirai-7135909-0
Unix.Trojan.Mirai-7135916-0
Unix.Dropper.Mirai-7135918-0
Unix.Dropper.Mirai-7135925-0
Unix.Dropper.Mirai-7135954-0
Unix.Dropper.Mirai-7135996-0
Unix.Dropper.Mirai-7136013-0
Unix.Dropper.Mirai-7136016-0
Unix.Dropper.Mirai-7136017-0
Unix.Dropper.Mirai-7136028-0
Unix.Dropper.Mirai-7136033-0
Unix.Dropper.Mirai-7136057-0
Unix.Dropper.Mirai-7139229-0
Unix.Trojan.Mirai-8025795-0
Unix.Trojan.Mirai-9441505-0
Unix.Trojan.Mirai-9760303-0
Unix.Trojan.Mirai-9807962-0
Unix.Trojan.Mirai-9808381-0
Unix.Trojan.Mirai-9858729-0
Unix.Dropper.Mirai-9977145-0
Unix.Dropper.Mirai-10007027-0
Unix.Trojan.Mirai-10009361-0
Unix.Trojan.Mirai-10011027-0
Unix.Trojan.Mirai-10011918-0
Unix.Trojan.Mirai-10058414-0
Unix.Trojan.Mirai-5607483-0
Unix.Packed.Botnet-6566031-0
Unix.Dropper.Botnet-6566040-0
Unix.Trojan.Gafgyt-6748839-0
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt gcc masquerade mirai obfuscated rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-05T12:01:00Z UTC
Last seen:
2025-12-05T16:06:00Z UTC
Hits:
~10
Result
Threat name:
Mirai, Gafgyt
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to many ports of the same IP (likely port scanning)
Deletes system log files
Detected Mirai
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1827462 Sample: ecco.arm7.elf Startdate: 05/12/2025 Architecture: LINUX Score: 100 71 109.235.167.0 YAMONEY-ASRU Russian Federation 2->71 73 165.161.108.71 WISCNET1-ASUS United States 2->73 75 98 other IPs or domains 2->75 83 Suricata IDS alerts for network traffic 2->83 85 Malicious sample detected (through community Yara rule) 2->85 87 Antivirus detection for dropped file 2->87 89 7 other signatures 2->89 12 ecco.arm7.elf 2->12         started        signatures3 process4 process5 14 ecco.arm7.elf 12->14         started        process6 16 ecco.arm7.elf 14->16         started        file7 65 /etc/init.d/sysd, POSIX 16->65 dropped 77 Sample tries to set files in /etc globally writable 16->77 79 Drops files in suspicious directories 16->79 81 Sample tries to persist itself using System V runlevels 16->81 20 ecco.arm7.elf 16->20         started        23 ecco.arm7.elf sh 16->23         started        25 ecco.arm7.elf 16->25         started        27 ecco.arm7.elf 16->27         started        signatures8 process9 file10 67 /usr/Bin), ELF 20->67 dropped 29 ecco.arm7.elf 20->29         started        31 ecco.arm7.elf sh 20->31         started        33 ecco.arm7.elf 20->33         started        37 4 other processes 20->37 35 sh cp 23->35         started        process11 signatures12 40 ecco.arm7.elf 29->40         started        58 994 other processes 29->58 42 sh crontab 31->42         started        46 sh 31->46         started        48 ecco.arm7.elf 33->48         started        50 ecco.arm7.elf 33->50         started        52 ecco.arm7.elf 33->52         started        54 ecco.arm7.elf 33->54         started        91 Manipulation of devices in /dev 37->91 56 ecco.arm7.elf 37->56         started        process13 file14 69 /var/spool/cron/crontabs/tmp.Bhl7Mg, ASCII 42->69 dropped 93 Sample tries to persist itself using cron 42->93 95 Executes the "crontab" command typically for achieving persistence 42->95 60 sh crontab 46->60         started        97 Manipulation of devices in /dev 48->97 99 Deletes system log files 48->99 63 ecco.arm7.elf 50->63         started        signatures15 process16 signatures17 101 Executes the "crontab" command typically for achieving persistence 60->101
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-12-05 17:30:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery execution persistence privilege_escalation
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Changes its process name
Creates/modifies Cron job
Enumerates running processes
Modifies init.d
Modifies rc script
Writes file to system bin folder
Deletes Audit logs
Deletes journal logs
Modifies Watchdog functionality
Contacts a large (290758) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
Malware Config
C2 Extraction:
draft22.redirectme.net
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:iot_req_metachar
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_1ac392ca
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 a72b050b9a46ee3fa7e63715f73b8f7e32c6064bd731c0d816d2918279c30fe1

(this sample)

  
Delivery method
Distributed via web download

Comments