MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a7aa7bbed24a5ca404e3fd328ec9761b057fcd4ba88c092685a5afa29440aa7. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: 9a7aa7bbed24a5ca404e3fd328ec9761b057fcd4ba88c092685a5afa29440aa7
SHA3-384 hash: addafea3fe58819486cb21d122e49ce632dddeabae371b61d302066faed1e6a7afd9689bda13862a870ad045fc611879
SHA1 hash: 0c9ab63f4f5b22ab5a5a37259a8d8f61c2cf8b1f
MD5 hash: 0f2bed7e2745f6acfc757168db836e17
humanhash: harry-spaghetti-pip-gee
File name:rU0
Download: download sample
Signature Mirai
File size:71'040 bytes
First seen:2026-07-19 06:57:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:FonaD+7SjChOKprlQj80gnIvleczDq3V1Hy5RAOIi89XyryhYIF:JD+7SjWTrU8ij/Q1HyHO9Xyry
TLSH T1F363F967B9818F15C5C1167AFF1E934D331367B8E3DEB213EE142B642B8B56B0E2A405
telfhash t19801ce304a8659dc9bd0c10b12ef1246551cf2f133201d6db7e9dadb95c3469f31642d
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 :
73
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Sets a written file as executable
Connection attempt
Manages services
Runs as daemon
Creating a file
Creates or modifies files in /cron to set up autorun
Writes symbolic links to system directory
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-19T04:18:00Z UTC
Last seen:
2026-07-21T01:23:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=566a8386-1b00-0000-b795-9203110c0000 pid=3089 /usr/bin/sudo guuid=9277498a-1b00-0000-b795-9203120c0000 pid=3090 /tmp/sample.bin guuid=566a8386-1b00-0000-b795-9203110c0000 pid=3089->guuid=9277498a-1b00-0000-b795-9203120c0000 pid=3090 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
68 / 100
Signature
Multi AV Scanner detection for submitted file
Protects files from modification
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
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1944730 Sample: rU0.elf Startdate: 19/07/2026 Architecture: LINUX Score: 68 43 129.121.110.105, 39364, 5900 ORACLE-BMC-31898-OracleCorporationUS United States 2->43 45 Multi AV Scanner detection for submitted file 2->45 10 rU0.elf 2->10         started        12 systemd snapd-env-generator 2->12         started        14 systemd snapd-env-generator 2->14         started        16 2 other processes 2->16 signatures3 process4 process5 18 rU0.elf 10->18         started        process6 20 rU0.elf 18->20         started        signatures7 47 Sample tries to persist itself using cron 20->47 49 Sample tries to persist itself using System V runlevels 20->49 23 rU0.elf 20->23         started        27 rU0.elf chattr 20->27         started        29 rU0.elf chattr 20->29         started        31 28 other processes 20->31 process8 file9 37 /etc/rc.local, POSIX 23->37 dropped 39 /etc/crontab, ASCII 23->39 dropped 41 /etc/cron.d/crond, ASCII 23->41 dropped 51 Sample tries to set files in /etc globally writable 23->51 53 Sample reads /proc/mounts (often used for finding a writable filesystem) 23->53 55 Sample tries to persist itself using cron 23->55 57 Sample tries to persist itself using System V runlevels 23->57 33 rU0.elf systemctl 23->33         started        35 rU0.elf systemctl 23->35         started        59 Protects files from modification 27->59 signatures10 process11
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-07-19 06:58:36 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
antivm discovery execution persistence privilege_escalation
Behaviour
Reads runtime system information
Checks CPU configuration
Creates/modifies Cron job
Enumerates running processes
Modifies rc script
Modifies systemd
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_d2dca9e7
Author:Elastic Security
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 9a7aa7bbed24a5ca404e3fd328ec9761b057fcd4ba88c092685a5afa29440aa7

(this sample)

  
Delivery method
Distributed via web download

Comments