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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ffb7826c04fc5bb024605f779f9d067a38b0a28032094f6cf7a37ac76ef280f5. 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 6 File information Comments

SHA256 hash: ffb7826c04fc5bb024605f779f9d067a38b0a28032094f6cf7a37ac76ef280f5
SHA3-384 hash: 38289f56b7f22a83a81cb0c9df35e2aac0412fd05e4be7824ad29d2cc6e93854022f9b95ff99e0ac3666b37d2fe80204
SHA1 hash: 4b5bb8114d93ebfca7442cf0ffa0a9e1c0ece498
MD5 hash: bd335a407c5154d3f781774f3ce963a4
humanhash: quebec-batman-potato-ack
File name:violet.x86
Download: download sample
Signature Mirai
File size:38'224 bytes
First seen:2026-09-28 18:46:04 UTC
Last seen:2026-09-28 22:24:38 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:HUYaBrhvjCDsnvux9my5PPgETc33oL+huNqd+CquWS8YN+VmUI0:H2Btv+DqvG5P4EIHeNw+NuWejU
TLSH T17E034A47E2C3D6F4EC5316B22436E767C731F1341190EA86D329AA75E892D00D6BB3AC
telfhash t15711c1f97ea510fcf3e1ac8c1b5e0b53d7260aa2462170b944f6398633f319a90b1511
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 :
82
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sets a written file as executable
Creating a file
Creating a file in the %temp% directory
Runs as daemon
Changes access rights for a written file
Changes the time when the file was created, accessed, or modified
Locks files
Launching a process
Connection attempt
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
3
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-09-28T16:07:00Z UTC
Last seen:
2026-09-30T02:59:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=4a40872f-2000-0000-aac3-14329b0a0000 pid=2715 /usr/bin/sudo guuid=fdafff31-2000-0000-aac3-14329e0a0000 pid=2718 /tmp/sample.bin guuid=4a40872f-2000-0000-aac3-14329b0a0000 pid=2715->guuid=fdafff31-2000-0000-aac3-14329e0a0000 pid=2718 execve guuid=8e362c32-2000-0000-aac3-1432a00a0000 pid=2720 /tmp/sample.bin net write-file zombie guuid=fdafff31-2000-0000-aac3-14329e0a0000 pid=2718->guuid=8e362c32-2000-0000-aac3-1432a00a0000 pid=2720 clone 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=8e362c32-2000-0000-aac3-1432a00a0000 pid=2720->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 30517074-fd2f-59e2-a1cd-1a39d24c9fac 172.245.106.144:9000 guuid=8e362c32-2000-0000-aac3-1432a00a0000 pid=2720->30517074-fd2f-59e2-a1cd-1a39d24c9fac con guuid=44f86933-2000-0000-aac3-1432a40a0000 pid=2724 /usr/bin/dash guuid=8e362c32-2000-0000-aac3-1432a00a0000 pid=2720->guuid=44f86933-2000-0000-aac3-1432a40a0000 pid=2724 execve guuid=4fb3e933-2000-0000-aac3-1432a80a0000 pid=2728 /tmp/sample.bin guuid=8e362c32-2000-0000-aac3-1432a00a0000 pid=2720->guuid=4fb3e933-2000-0000-aac3-1432a80a0000 pid=2728 clone guuid=3b4baf33-2000-0000-aac3-1432a50a0000 pid=2725 /usr/bin/dash guuid=44f86933-2000-0000-aac3-1432a40a0000 pid=2724->guuid=3b4baf33-2000-0000-aac3-1432a50a0000 pid=2725 clone guuid=0ff3b833-2000-0000-aac3-1432a60a0000 pid=2726 /usr/bin/dash guuid=44f86933-2000-0000-aac3-1432a40a0000 pid=2724->guuid=0ff3b833-2000-0000-aac3-1432a60a0000 pid=2726 clone
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Signature
Drops invisible ELF files
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Writes identical ELF files to multiple locations
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1979093 Sample: violet.x86.elf Startdate: 28/09/2026 Architecture: LINUX Score: 72 41 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->41 43 8.8.8.8, 53, 58146 GOOGLE-GoogleLLCUS United States 2->43 45 2 other IPs or domains 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for submitted file 2->49 10 violet.x86.elf 2->10         started        12 python3.8 dpkg 2->12         started        signatures3 process4 process5 14 violet.x86.elf 10->14         started        file6 33 /tmp/.violet, ELF 14->33 dropped 35 /run/.violet, ELF 14->35 dropped 37 /root/.violet, ELF 14->37 dropped 39 /mnt/.violet, ELF 14->39 dropped 57 Writes identical ELF files to multiple locations 14->57 59 Drops invisible ELF files 14->59 18 violet.x86.elf sh 14->18         started        20 violet.x86.elf 14->20         started        signatures7 process8 process9 22 sh crontab 18->22         started        26 sh 18->26         started        file10 31 /var/spool/cron/crontabs/tmp.bAL2lP, ASCII 22->31 dropped 51 Sample tries to persist itself using cron 22->51 53 Executes the "crontab" command typically for achieving persistence 22->53 28 sh crontab 26->28         started        signatures11 process12 signatures13 55 Executes the "crontab" command typically for achieving persistence 28->55
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery execution linux persistence privilege_escalation
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Creates/modifies Cron job
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:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
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 ffb7826c04fc5bb024605f779f9d067a38b0a28032094f6cf7a37ac76ef280f5

(this sample)

  
Delivery method
Distributed via web download

Comments