MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66399a87a924af15fe3c2db9a58503f2012aac5291650d4c43ee96559193dc48. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 66399a87a924af15fe3c2db9a58503f2012aac5291650d4c43ee96559193dc48
SHA3-384 hash: f10c99cf50d903638a8429d20f32ca52150fef6bad74e99d416fc5af9f567e1109f9284dc0463cfc144fd60882e5084c
SHA1 hash: 05c2a7b73871391e03ca9cfb2280b578dcf392d5
MD5 hash: dddde50267fb2bb289253c80eebf6928
humanhash: lake-may-hydrogen-wisconsin
File name:arm
Download: download sample
Signature Mirai
File size:64'320 bytes
First seen:2025-11-10 13:32:56 UTC
Last seen:2025-11-11 00:15:39 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:BPhW7dzySi2V9G+hZKh8SsWxK6zXuybVR2:BPhWZZ5KXssfzXuy
TLSH T165531981B8919A17C6D492BAFA5E81CC332113F8D2DF3203DD256F697B8692F0D7B641
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 :
2
# of downloads :
100
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
120
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
23
Behaviour
Process Renaming
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:
2025-11-10T10:43:00Z UTC
Last seen:
2025-11-11T12:13:00Z UTC
Hits:
~100
Status:
terminated
Behavior Graph:
%3 guuid=d0393a1d-1a00-0000-e6f9-dadaae0b0000 pid=2990 /usr/bin/sudo guuid=2600fe1e-1a00-0000-e6f9-dadab50b0000 pid=2997 /tmp/sample.bin guuid=d0393a1d-1a00-0000-e6f9-dadaae0b0000 pid=2990->guuid=2600fe1e-1a00-0000-e6f9-dadab50b0000 pid=2997 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Signature
Antivirus / Scanner detection for submitted sample
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1811344 Sample: arm.elf Startdate: 10/11/2025 Architecture: LINUX Score: 48 22 216.217.177.130, 23 WINDSTREAMUS United States 2->22 24 124.122.196.9, 23 TRUE-AS-APTrueInternetCoLtdTH Thailand 2->24 26 15 other IPs or domains 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 8 arm.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 arm.elf 8->14         started        process6 16 arm.elf 14->16         started        18 arm.elf 14->18         started        20 arm.elf 14->20         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-11-10 13:33:13 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
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_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 66399a87a924af15fe3c2db9a58503f2012aac5291650d4c43ee96559193dc48

(this sample)

  
Delivery method
Distributed via web download

Comments