MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 381c7b8f81a5b58f281f6d0679503bec60f6099fdf80f9997a3683e61d621a23. 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 3 File information Comments

SHA256 hash: 381c7b8f81a5b58f281f6d0679503bec60f6099fdf80f9997a3683e61d621a23
SHA3-384 hash: f65f15d4d1b26c075e6853043943ccac2d761b91ae936af05592372471672521a4120c24f6f5ebfbe614c50889401775
SHA1 hash: 3313fcce3eafb1465f60abe345031ff3327f1059
MD5 hash: ffeedcfea30c3149263647889cbe4423
humanhash: solar-ohio-enemy-kansas
File name:neon.arm7
Download: download sample
Signature Mirai
File size:59'116 bytes
First seen:2025-10-08 05:28:24 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:2STO6HYXqEEHIRxyTfhhxmqLkHCLyY4TzLg:296rFbhzmqLxLZ47g
TLSH T18A43029CF17B9A3BEFB13533ED2C57A47E8D2F38406734EB1B684A9D54896107A32052
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) :59'116 bytes
File size (de-compressed) :153'036 bytes
Format:linux/arm
Unpacked file: 4b326f160f9d6d8653a8d687d5e5d204549dd44f1dbf61c518883537973dcc1c

Intelligence


File Origin
# of uploads :
1
# of downloads :
39
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Runs as daemon
Opens a port
Sends data to a server
Connection attempt
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
android condi gafgyt masquerade mirai obfuscated packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
111
Number of processes launched:
7
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-05T04:35:00Z UTC
Last seen:
2025-10-06T10:18:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=77388c5e-1900-0000-5645-e6f9d60f0000 pid=4054 /usr/bin/sudo guuid=6b050c61-1900-0000-5645-e6f9dd0f0000 pid=4061 /tmp/sample.bin guuid=77388c5e-1900-0000-5645-e6f9d60f0000 pid=4054->guuid=6b050c61-1900-0000-5645-e6f9dd0f0000 pid=4061 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1791135 Sample: neon.arm7.elf Startdate: 08/10/2025 Architecture: LINUX Score: 68 26 169.254.169.254, 80 USDOSUS Reserved 2->26 28 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->28 30 daisy.ubuntu.com 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected Mirai 2->36 38 Sample is packed with UPX 2->38 8 neon.arm7.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 neon.arm7.elf 8->12         started        14 neon.arm7.elf 8->14         started        16 neon.arm7.elf 8->16         started        18 neon.arm7.elf 8->18         started        process6 20 neon.arm7.elf 12->20         started        22 neon.arm7.elf 12->22         started        24 neon.arm7.elf 12->24         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-10-05 07:05:40 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
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: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 381c7b8f81a5b58f281f6d0679503bec60f6099fdf80f9997a3683e61d621a23

(this sample)

  
Delivery method
Distributed via web download

Comments