MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66f4c592245004ffbaceaaadf33311e03cff131b6311346438c14f251dac638f. 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 2 File information Comments

SHA256 hash: 66f4c592245004ffbaceaaadf33311e03cff131b6311346438c14f251dac638f
SHA3-384 hash: 17797e8e5ef5ae3315e8417dffd899a62722e3b496c434d1fecfc9bf7e06985b834d570ac3012ae78567ccca5f51ab1b
SHA1 hash: b023e04852518fd5eb099a8dfe54e7a85e93c8d0
MD5 hash: f2ab270d18e389e6d4befdd67f5410d6
humanhash: florida-fanta-utah-solar
File name:kitty.arm
Download: download sample
Signature Mirai
File size:63'036 bytes
First seen:2025-08-24 01:20:41 UTC
Last seen:2025-08-24 16:21:36 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:ogoUdo2Qop19yPMLEDYVO98/lhOM9fjiS5cVXGcTOd9PIr:opUdo2Qop19yPX9aPriE6Tg4
TLSH T178530965F980CB32C6D1267AFB4E528C33130B79D2DD3205DD249B356BEBA5A0F36846
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 :
3
# of downloads :
88
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
DNS request
Runs as daemon
Sends data to a server
Connection attempt
Substitutes an application name
Deleting of the original file
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
1
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=6e63f342-1d00-0000-fb33-27a3fa0a0000 pid=2810 /usr/bin/sudo guuid=bf4fa644-1d00-0000-fb33-27a3fc0a0000 pid=2812 /tmp/sample.bin guuid=6e63f342-1d00-0000-fb33-27a3fa0a0000 pid=2810->guuid=bf4fa644-1d00-0000-fb33-27a3fc0a0000 pid=2812 execve
Result
Threat name:
n/a
Detection:
suspicious
Classification:
evad
Score:
22 / 100
Signature
Sample deletes itself
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1763794 Sample: kitty.arm.elf Startdate: 24/08/2025 Architecture: LINUX Score: 22 13 169.254.169.254, 80 USDOSUS Reserved 2->13 15 noname-3d45fa2f.online 66.78.40.221, 40042, 9080 QUICKPACKETUS United States 2->15 17 3 other IPs or domains 2->17 6 kitty.arm.elf 2->6         started        9 python3.8 dpkg 2->9         started        process3 signatures4 19 Sample deletes itself 6->19 11 kitty.arm.elf 6->11         started        process5
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-08-24 01:21:43 UTC
File Type:
ELF32 Little (SO)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Changes its process name
Deletes itself
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:elf_arm_mips_ko_so

File information


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

Web download

Mirai

elf 66f4c592245004ffbaceaaadf33311e03cff131b6311346438c14f251dac638f

(this sample)

Comments