MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 552fd7f65d88d0bcbab4a158789ee908a9ac57f3f0405544c4ebac3217a51cf4. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 552fd7f65d88d0bcbab4a158789ee908a9ac57f3f0405544c4ebac3217a51cf4
SHA3-384 hash: fd999edaefa4393b58bf8ea7f9fbd36fc420f221f565c807bb108ed84659a2251942e3c052f63c9fe5cb7332bbe8ec1c
SHA1 hash: 825d8ae24028c6533304a44dcd5d50fe8454616f
MD5 hash: bb02d84dc7418835fe12647d061dc3ad
humanhash: twelve-virginia-ack-venus
File name:killbotx.aarch64
Download: download sample
Signature Mirai
Create hunting rule
File size:137'096 bytes
First seen:2026-08-04 18:57:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:eSmuwm+UQE/hJokvJLRlwzeE2YAh2XEc+6CbmKGoYboOx1Dqfgc4YKOC54L6BIrZ:eSUmcE/hJ3xLwU4EXpKF/k4YKhRSZ
TLSH T121D37E98960FAD82D7C7E67DAD590FB3312638F40564C2B35E00635DE8EEED68C92523
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 480319a161dcbd7aba883f7950b690819552f4d19b50c500a6310f93424edfe7
File size (compressed) :63'596 bytes
File size (de-compressed) :137'096 bytes
Format:linux/arm64
Packed file: 480319a161dcbd7aba883f7950b690819552f4d19b50c500a6310f93424edfe7

Intelligence

File Origin
# of uploads :
1
# of downloads :
110
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.32138.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Gafgyt-9939811-0
Create hunting rule

Unix.Trojan.Mirai-10056451-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Manages services
Creating a file
Connection attempt
Changes access rights for a written file
Sets a written file as executable
Changes the time when the file was created, accessed, or modified
Kills processes
Runs as daemon
Changes access rights for a file
DNS request
Opens a port
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bashlite mirai
Link:
https://www.filescan.io/uploads/6a723653fb16314e0adf326e/reports/bd89f2eb-c999-4797-81d5-6543273fd0de/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/552fd7f65d88d0bcbab4a158789ee908a9ac57f3f0405544c4ebac3217a51cf4
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-08-05T00:21:00Z UTC
Last seen:
2026-08-06T09:43:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/552fd7f65d88d0bcbab4a158789ee908a9ac57f3f0405544c4ebac3217a51cf4/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a6463210-84a8-4f72-805e-4ea3c0c393aa
Behavior Graph:
Download SVG
%3 guuid=fad79206-1a00-0000-ad06-e9f1f30b0000 pid=3059 /usr/bin/sudo guuid=72efaa0c-1a00-0000-ad06-e9f1f40b0000 pid=3060 /tmp/sample.bin guuid=fad79206-1a00-0000-ad06-e9f1f30b0000 pid=3059->guuid=72efaa0c-1a00-0000-ad06-e9f1f40b0000 pid=3060 execve guuid=9680b20e-1a00-0000-ad06-e9f1f60b0000 pid=3062 /usr/bin/dash guuid=72efaa0c-1a00-0000-ad06-e9f1f40b0000 pid=3060->guuid=9680b20e-1a00-0000-ad06-e9f1f60b0000 pid=3062 clone guuid=f96dea0e-1a00-0000-ad06-e9f1f70b0000 pid=3063 /usr/bin/dash guuid=72efaa0c-1a00-0000-ad06-e9f1f40b0000 pid=3060->guuid=f96dea0e-1a00-0000-ad06-e9f1f70b0000 pid=3063 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9512fef9-b247-46f8-9099-78fd91e4ba9e
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1952211
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1952211 Sample: killbotx.aarch64.elf Startdate: 04/08/2026 Architecture: LINUX Score: 80 45 iloveboats.st 94.154.43.158, 4444, 57850, 57852 CDNEXTGB Turkey 2->45 47 Antivirus detection for dropped file 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 Multi AV Scanner detection for submitted file 2->51 10 killbotx.aarch64.elf 2->10         started        12 systemd snapd-env-generator 2->12         started        signatures3 process4 process5 14 killbotx.aarch64.elf 10->14         started        file6 41 /usr/local/bin/zh4qqmlg60j5ko8, ELF 14->41 dropped 43 /etc/rc.local, ASCII 14->43 dropped 59 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->59 61 Sample tries to persist itself using System V runlevels 14->61 18 killbotx.aarch64.elf sh 14->18         started        20 killbotx.aarch64.elf sh 14->20         started        22 killbotx.aarch64.elf sh 14->22         started        24 4 other processes 14->24 signatures7 process8 process9 26 sh crontab 18->26         started        30 sh 18->30         started        32 sh crontab 20->32         started        34 sh systemctl 22->34         started        file10 39 /var/spool/cron/crontabs/tmp.dkn9Q2, ASCII 26->39 dropped 55 Sample tries to persist itself using cron 26->55 57 Executes the "crontab" command typically for achieving persistence 26->57 36 sh crontab 30->36         started        signatures11 process12 signatures13 53 Executes the "crontab" command typically for achieving persistence 36->53
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/552fd7f65d88d0bcbab4a158789ee908a9ac57f3f0405544c4ebac3217a51cf4
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/552fd7f65d88d0bcbab4a158789ee908a9ac57f3f0405544c4ebac3217a51cf4/
Threat name:
Linux.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2026-08-04 18:58:33 UTC
File Type:
ELF64 Little (SO)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kux5p5s5rdilzovuufmhrhxjbcu2yv7t6bafkrge5owdef5fdt2a._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260804-xmpxtsv1b1/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/552fd7f65d88d0bcbab4a158789ee908a9ac57f3f0405544c4ebac3217a51cf4

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:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
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 480319a161dcbd7aba883f7950b690819552f4d19b50c500a6310f93424edfe7

Mirai

elf 552fd7f65d88d0bcbab4a158789ee908a9ac57f3f0405544c4ebac3217a51cf4

(this sample)

  
Dropped by
SHA256 480319a161dcbd7aba883f7950b690819552f4d19b50c500a6310f93424edfe7
  
URLhaus
https://urlhaus.abuse.ch/url/3896671/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3896595/
  
Dropped by
MD5 81573a0d0e85c46005d34cef28895323

Comments