MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 08b9bdae9fd508af47de9768c527fca3e9398aff95e90d495c433c7161ee0ada. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 08b9bdae9fd508af47de9768c527fca3e9398aff95e90d495c433c7161ee0ada
SHA3-384 hash: a00b06b31a25a5a9baff2dec1dfd17c1e36d22376aad24461359a7112af2c6231f62066419c7d2a4d7b32caf45cc2889
SHA1 hash: 110cb32b8f88c86a547249c4468434573ac73fe5
MD5 hash: 967550631d826a085cfde88393758ccd
humanhash: freddie-tennessee-nitrogen-august
File name:kk.x64
Download: download sample
Signature Mirai
Create hunting rule
File size:71'840 bytes
First seen:2026-01-21 12:30:26 UTC
Last seen:2026-01-22 08:18:35 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:vGKwg1QIfXq4/cG0hyFYI/9w/NgTUKor:OBgp/cLDIhTc
TLSH T139634A42F69190FDC09BC17887AFD166FA327C4D53207DAFAB84BA312E36E215709751
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 :
34
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Trojan.Linux.GenericKD.69518.28123.8002.UNOFFICIAL
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc masquerade
Link:
https://www.filescan.io/uploads/6970c7005db9ae47708bbb07/reports/dafece55-6aef-4afa-9a11-2d58fcca3f2b/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
10
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/08b9bdae9fd508af47de9768c527fca3e9398aff95e90d495c433c7161ee0ada
Behaviour
Persistence
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Unknown
File Type:
elf.64.le
First seen:
2026-01-21T09:37:00Z UTC
Last seen:
2026-01-21T11:13:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/08b9bdae9fd508af47de9768c527fca3e9398aff95e90d495c433c7161ee0ada/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/7574ad45-643b-41be-a20e-7f75a4af5e99
Behavior Graph:
Download SVG
%3 guuid=fa23b5b2-1a00-0000-887f-0ffecf060000 pid=1743 /usr/bin/sudo guuid=b97193b5-1a00-0000-887f-0ffed8060000 pid=1752 /tmp/sample.bin write-config guuid=fa23b5b2-1a00-0000-887f-0ffecf060000 pid=1743->guuid=b97193b5-1a00-0000-887f-0ffed8060000 pid=1752 execve guuid=146baeb5-1a00-0000-887f-0ffed9060000 pid=1753 /usr/bin/dash guuid=b97193b5-1a00-0000-887f-0ffed8060000 pid=1752->guuid=146baeb5-1a00-0000-887f-0ffed9060000 pid=1753 execve guuid=9646bbb7-1a00-0000-887f-0ffede060000 pid=1758 /usr/bin/.sshd net send-data zombie guuid=b97193b5-1a00-0000-887f-0ffed8060000 pid=1752->guuid=9646bbb7-1a00-0000-887f-0ffede060000 pid=1758 execve guuid=e3f828b6-1a00-0000-887f-0ffeda060000 pid=1754 /usr/bin/cp guuid=146baeb5-1a00-0000-887f-0ffed9060000 pid=1753->guuid=e3f828b6-1a00-0000-887f-0ffeda060000 pid=1754 execve guuid=fcbca0b6-1a00-0000-887f-0ffedc060000 pid=1756 /usr/bin/chmod guuid=146baeb5-1a00-0000-887f-0ffed9060000 pid=1753->guuid=fcbca0b6-1a00-0000-887f-0ffedc060000 pid=1756 execve guuid=737bebb6-1a00-0000-887f-0ffedd060000 pid=1757 /usr/bin/chattr guuid=146baeb5-1a00-0000-887f-0ffed9060000 pid=1753->guuid=737bebb6-1a00-0000-887f-0ffedd060000 pid=1757 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=9646bbb7-1a00-0000-887f-0ffede060000 pid=1758->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con c476d878-a463-52dd-90ed-ab9852c36430 15.204.230.147:5480 guuid=9646bbb7-1a00-0000-887f-0ffede060000 pid=1758->c476d878-a463-52dd-90ed-ab9852c36430 send: 258B
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/cb74c950-6fb7-4bc3-b428-305a2c2e8a55
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1854851
Signature
Drops files in suspicious directories
Drops invisible ELF files
Protects files from modification
Sample tries to persist itself using System V runlevels
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1854851 Sample: kk.x64.elf Startdate: 21/01/2026 Architecture: LINUX Score: 56 33 169.254.169.254, 80 USDOSUS Reserved 2->33 35 109.202.202.202, 80 INIT7CH Switzerland 2->35 37 4 other IPs or domains 2->37 7 kk.x64.elf 2->7         started        11 dash rm 2->11         started        13 dash rm 2->13         started        15 python3.8 dpkg 2->15         started        process3 file4 31 /etc/rc.local, ASCII 7->31 dropped 45 Sample tries to persist itself using System V runlevels 7->45 17 kk.x64.elf sh 7->17         started        19 kk.x64.elf .sshd 7->19         started        signatures5 process6 process7 21 sh cp 17->21         started        25 sh chattr 17->25         started        27 sh chmod 17->27         started        file8 29 /usr/bin/.sshd, ELF 21->29 dropped 39 Drops invisible ELF files 21->39 41 Drops files in suspicious directories 21->41 43 Protects files from modification 25->43 signatures9
Score:
99%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/08b9bdae9fd508af47de9768c527fca3e9398aff95e90d495c433c7161ee0ada
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/08b9bdae9fd508af47de9768c527fca3e9398aff95e90d495c433c7161ee0ada/
Threat name:
Linux.Backdoor.DarkDDoSer
Create hunting rule
Status:
Suspicious
First seen:
2026-01-21 12:13:42 UTC
File Type:
ELF64 Little (SO)
AV detection:
5 of 24 (20.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bc433lu72uek6r66s5umkj74uputtcx7sxuq2sk4im6hcypoblna._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery linux persistence
Link:
https://tria.ge/reports/260121-pqcgxadv4e/
Behaviour
Reads runtime system information
Changes its process name
Modifies rc script
Write file to user bin folder
File and Directory Permissions Modification
Executes dropped EXE
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:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:unixredflags3
Create hunting rule
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 08b9bdae9fd508af47de9768c527fca3e9398aff95e90d495c433c7161ee0ada

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3761279/
  
Delivery method
Distributed via web download

Comments