MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3ac1f6e05190078b2d7755a501854dc287d6def8c4736a025ccbe7d3faccdbb. 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 2 File information Comments

SHA256 hash: a3ac1f6e05190078b2d7755a501854dc287d6def8c4736a025ccbe7d3faccdbb
SHA3-384 hash: 8b66c22469b1f92676deec026df8d061106e47e7aac1a35684c7ab04e42b5ad96d25abbec91a8f6ccbf70aa5c4bfeb46
SHA1 hash: f0395279e9fb39ebd8f71be87ae1c44908ff8e16
MD5 hash: 491d343b6ba847b72f59550264be72da
humanhash: bravo-mike-mike-south
File name:klogd
Download: download sample
Signature Mirai
File size:91'580 bytes
First seen:2025-07-16 23:55:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:k67HMDmVpmAm9zICxa+nax8hLI5DQ0I94Omuv+WA:k6o8ZiPxa+nKGllA
TLSH T194933AD5F9459A22C2C215B3FB0F42897B1A43D8D2EA3203AD398F61778B85B0F36D55
telfhash t19c11cc616d8c4adc37e08b088299e31641b875fe2d30b625cfaebfa74816dc07895c22
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 :
24
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
372
Number of processes launched:
147
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
Status:
terminated
Behavior Graph:
%3 guuid=a76ba0b6-1700-0000-f91c-c21f230b0000 pid=2851 /usr/bin/sudo guuid=5cc239b8-1700-0000-f91c-c21f2a0b0000 pid=2858 /tmp/sample.bin guuid=a76ba0b6-1700-0000-f91c-c21f230b0000 pid=2851->guuid=5cc239b8-1700-0000-f91c-c21f2a0b0000 pid=2858 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Signature
Multi AV Scanner detection for submitted file
Terminates several processes with shell command 'killall'
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1738411 Sample: klogd.elf Startdate: 17/07/2025 Architecture: LINUX Score: 52 36 41.60.37.32 ZOL-ASGB Mauritius 2->36 38 67.111.92.193 XO-AS15US United States 2->38 40 98 other IPs or domains 2->40 42 Multi AV Scanner detection for submitted file 2->42 9 klogd.elf 2->9         started        signatures3 process4 process5 11 klogd.elf 9->11         started        process6 13 klogd.elf sh 11->13         started        15 klogd.elf sh 11->15         started        17 klogd.elf sh 11->17         started        19 59 other processes 11->19 process7 21 sh killall 13->21         started        24 sh killall 15->24         started        26 sh killall 17->26         started        28 sh killall 19->28         started        30 sh killall 19->30         started        32 sh killall 19->32         started        34 56 other processes 19->34 signatures8 44 Terminates several processes with shell command 'killall' 21->44
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-07-16 23:56:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:kyton
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 a3ac1f6e05190078b2d7755a501854dc287d6def8c4736a025ccbe7d3faccdbb

(this sample)

  
Delivery method
Distributed via web download

Comments