MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5c07f28a26f5424f6f07a6dbd48fe3a45db5aafb67bb5b4268b7f3a415c89bf. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: b5c07f28a26f5424f6f07a6dbd48fe3a45db5aafb67bb5b4268b7f3a415c89bf
SHA3-384 hash: a6617c546e306f8e9d837785b21b5fbf2de797c4767fd678af58f8fd405e537b573124ee5619c9c0dc371ab9de116111
SHA1 hash: 69c03fde0c002a64749b0b31e48db4fb52cde813
MD5 hash: 71de43b870d0eb4f565ce1e6728d1736
humanhash: november-cardinal-oregon-seventeen
File name:armv4l
Download: download sample
Signature Mirai
File size:163'480 bytes
First seen:2025-08-09 23:58:12 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:VCrf8xK/JtkbEumjFPTo71Nuhzs2wvBCmnKB2gZ0TGhcaaI:VCrf8xK/JtkbEuwEHWzs2wpCmnKBxZTZ
TLSH T10DF30745BC518F56C6D256BBFB5E428C3B2B17A8D3EE32039E255F20378B95A0E37142
telfhash t13e31de2bcf492d8c1ff59440957d611a96f834f8171174c65eacaecf8542d91b12d82b
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 :
29
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
bash lolbin rust threat
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
186
Number of processes launched:
5
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=76ca7437-1a00-0000-06b0-6d48900c0000 pid=3216 /usr/bin/sudo guuid=db06793a-1a00-0000-06b0-6d48980c0000 pid=3224 /tmp/sample.bin guuid=76ca7437-1a00-0000-06b0-6d48900c0000 pid=3216->guuid=db06793a-1a00-0000-06b0-6d48980c0000 pid=3224 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
Multi AV Scanner detection for submitted file
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: 1753871 Sample: armv4l.elf Startdate: 10/08/2025 Architecture: LINUX Score: 100 25 169.254.169.254, 80 USDOSUS Reserved 2->25 27 92.113.21.114, 5050 UKRTELNETUA Ukraine 2->27 29 daisy.ubuntu.com 2->29 37 Found malware configuration 2->37 39 Antivirus detection for dropped file 2->39 41 Antivirus / Scanner detection for submitted sample 2->41 43 3 other signatures 2->43 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 21 /var/main, ELF 15->21 dropped 23 /etc/init.d/xs.main, POSIX 15->23 dropped 31 Sample tries to set files in /etc globally writable 15->31 33 Drops files in suspicious directories 15->33 35 Sample deletes itself 15->35 19 armv4l.elf 15->19         started        signatures8 process9
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-08-09 23:59:40 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
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 b5c07f28a26f5424f6f07a6dbd48fe3a45db5aafb67bb5b4268b7f3a415c89bf

(this sample)

  
Delivery method
Distributed via web download

Comments