MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f399ed1609cf09e2477b7187331b65552b3931f12dbe2429176b07eeb8b412ea. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments

SHA256 hash: f399ed1609cf09e2477b7187331b65552b3931f12dbe2429176b07eeb8b412ea
SHA3-384 hash: b36271cadda76ca02930a1a7d06e6a466ca11dabc44f46bbd5ad7f4629ea6745d82c43dd464ad52db2016a332d0ce66d
SHA1 hash: 56f53f98e9aa9f8c237afd44d2dc996644387fdb
MD5 hash: dda0235be8a0d1750291ce86ba416c92
humanhash: romeo-spring-four-idaho
File name:arm7
Download: download sample
Signature Mirai
File size:55'628 bytes
First seen:2026-07-20 19:10:08 UTC
Last seen:2026-07-21 09:39:38 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:y5Cd1YxvsFpN+izh6a1X82b98x8BBWDR2ZJl/DerzQuIAhQZRdDCMbsq3UirX:sCPRN+iUYse9cCWF2iMcQZRdxbZ
TLSH T10743F1424139AB60D634A833D04DC543DF2F7BE4E799BBA7C430425CE6433A757AAAD1
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 UPX
File size (compressed) :55'628 bytes
File size (de-compressed) :130'460 bytes
Format:linux/arm
Unpacked file: ff363cb6f29a269fc7763c2a5ea564b0d45ecf64b422d024bcf0912877ed075f

Intelligence


File Origin
# of uploads :
3
# of downloads :
92
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sends data to a server
Runs as daemon
Opens a port
Launching a process
Connection attempt
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
61
Number of processes launched:
12
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Firewall Changes
Kernel Modules
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
type: 134.195.4.2:53
type: 51.254.162.59:53
type: 94.16.114.254:53
type: 91.217.137.37:53
type: 178.254.22.166:53
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-20T16:22:00Z UTC
Last seen:
2026-07-22T16:47:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gr HEUR:Backdoor.Linux.Mirai.gen HEUR:Backdoor.Linux.Gafgyt.hr
Status:
terminated
Behavior Graph:
%3 guuid=b7a16279-2100-0000-1b97-4f3a68090000 pid=2408 /usr/bin/sudo guuid=e63c9e7d-2100-0000-1b97-4f3a6f090000 pid=2415 /tmp/sample.bin guuid=b7a16279-2100-0000-1b97-4f3a68090000 pid=2408->guuid=e63c9e7d-2100-0000-1b97-4f3a6f090000 pid=2415 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1945457 Sample: arm7.elf Startdate: 20/07/2026 Architecture: LINUX Score: 60 14 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->14 16 109.202.202.202, 80 INIT7CH Switzerland 2->16 18 4 other IPs or domains 2->18 20 Antivirus / Scanner detection for submitted sample 2->20 22 Multi AV Scanner detection for submitted file 2->22 24 Sample is packed with UPX 2->24 6 python3.8 dpkg 2->6         started        8 dash rm 2->8         started        10 dash rm 2->10         started        12 arm7.elf 2->12         started        signatures3 process4
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-07-20 19:14:57 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery upx
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Unexpected DNS network traffic destination
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:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf f399ed1609cf09e2477b7187331b65552b3931f12dbe2429176b07eeb8b412ea

(this sample)

  
Delivery method
Distributed via web download

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