MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 211a91ff829527ea792318fee71757b1517aa0ca237bf495f3c7b58b2ac0b503. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: 211a91ff829527ea792318fee71757b1517aa0ca237bf495f3c7b58b2ac0b503
SHA3-384 hash: 4f5a78d9697a0de3f3e3067f9eeb7d245767df19078aec9f1fa1c517dab68890e6e796d4aa11987531bbcaca7928f857
SHA1 hash: fdfc196a8a7f597c0d516a6c5f4b509c54109262
MD5 hash: 8c07416784055373ee53ba5b303d40f8
humanhash: mobile-oxygen-leopard-green
File name:armv4l
Download: download sample
Signature Mirai
File size:162'616 bytes
First seen:2025-08-02 22:35:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:F5JFiWrt5Sgk4yd1/RhzUxVTR1QYohb0w52m1GxYb7gDGoxk80:F5JFiWrt5Sgk4u1ZOPCdhb0wQm1GxM7N
TLSH T13EF30745BC518F16C6C666BBFF4E428C372B17A9D3EA72039D295F20378B95A0E37142
telfhash t165311056df5c0eac5be0c04cc05e301916f831fa5e2635869f7e798f9562ee4b82c827
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 :
30
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
bash lolbin rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
148
Number of processes launched:
8
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Persistence
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=0138a467-1900-0000-8f5f-372064140000 pid=5220 /usr/bin/sudo guuid=b31e5769-1900-0000-8f5f-372065140000 pid=5221 /tmp/sample.bin guuid=0138a467-1900-0000-8f5f-372064140000 pid=5220->guuid=b31e5769-1900-0000-8f5f-372065140000 pid=5221 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Found malware configuration
Sample deletes itself
Sample tries to set files in /etc globally writable
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1749214 Sample: armv4l.elf Startdate: 03/08/2025 Architecture: LINUX Score: 100 27 92.113.21.114, 5060 UKRTELNETUA Ukraine 2->27 29 109.202.202.202, 80 INIT7CH Switzerland 2->29 31 2 other IPs or domains 2->31 39 Found malware configuration 2->39 41 Antivirus detection for dropped file 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 2 other signatures 2->45 9 armv4l.elf 2->9         started        11 python3.8 dpkg 2->11         started        signatures3 process4 process5 13 armv4l.elf 9->13         started        process6 15 armv4l.elf 13->15         started        file7 23 /var/main, ELF 15->23 dropped 25 /etc/init.d/xs.main, POSIX 15->25 dropped 33 Sample tries to set files in /etc globally writable 15->33 35 Drops files in suspicious directories 15->35 37 Sample deletes itself 15->37 19 armv4l.elf 15->19         started        21 armv4l.elf 15->21         started        signatures8 process9
Threat name:
Linux.Exploit.Mirai
Status:
Malicious
First seen:
2025-08-02 22:36:20 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 211a91ff829527ea792318fee71757b1517aa0ca237bf495f3c7b58b2ac0b503

(this sample)

  
Delivery method
Distributed via web download

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