MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a90617eb91f87e048af1ffadd698550eff7d70c93e668f79959b4b9d79b2950. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5a90617eb91f87e048af1ffadd698550eff7d70c93e668f79959b4b9d79b2950
SHA3-384 hash: 1793b5c081de7ef16f4bda8964a9ae775d28f5cd4bacd76ad9ebfb638ea430ff62f5e8029f576108965afeec697be352
SHA1 hash: ba6926e742d2dabe93a4d28dd7235fd18f9ab90e
MD5 hash: 8abc7247564311e98dc017e0136c05a3
humanhash: berlin-india-cold-wisconsin
File name:armv7l
Download: download sample
Signature Mirai
Create hunting rule
File size:153'580 bytes
First seen:2025-08-02 00:16:04 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:DHSReILBmG6ycmMgvnK4icwY/6QBuG/vtDxNamRmwplWh94MNgI7XqnIiqlmTi:DHSReILBmGUmMoicwYxR/FVNaSlplWhw
TLSH T11BE3075AFD42AF00D5D626FAFA0E428973670B6CE3FE71129E245F2527CA91B0F36501
telfhash t1c311cb309f08186cabe5d0a6d1fea63676ac71da62011158ac6e93434a73cc6301c80d
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
27
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Kills processes
Sets a written file as executable
Runs as daemon
Creating a file
Sends data to a server
Connection attempt
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Deleting of the original file
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/688d58d673b8ef6f4afaa7ee/reports/3888f68e-745d-4d7b-86f0-545ddd44ceda/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
151
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/5a90617eb91f87e048af1ffadd698550eff7d70c93e668f79959b4b9d79b2950
Behaviour
Persistence
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/559f8d54-2f97-42ca-be56-69a6b34e4f18
Behavior Graph:
Download SVG
%3 guuid=7d08f8f5-1800-0000-f935-89ccc90a0000 pid=2761 /usr/bin/sudo guuid=0a4cf5f7-1800-0000-f935-89cccc0a0000 pid=2764 /tmp/sample.bin guuid=7d08f8f5-1800-0000-f935-89ccc90a0000 pid=2761->guuid=0a4cf5f7-1800-0000-f935-89cccc0a0000 pid=2764 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a685f71e-44f1-445f-9286-96bbb87a0835
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1748873
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to kill multiple processes (SIGKILL)
Sample tries to set files in /etc globally writable
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1748873 Sample: armv7l.elf Startdate: 02/08/2025 Architecture: LINUX Score: 96 34 92.113.21.114, 5060, 58268, 58270 UKRTELNETUA Ukraine 2->34 36 Antivirus detection for dropped file 2->36 38 Antivirus / Scanner detection for submitted sample 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 Yara detected Mirai 2->42 9 armv7l.elf 2->9         started        11 gnome-session-binary sh gsd-print-notifications 2->11         started        13 systemd journalctl 2->13         started        15 57 other processes 2->15 signatures3 process4 process5 17 armv7l.elf 9->17         started        19 gsd-print-notifications 11->19         started        process6 21 armv7l.elf 17->21         started        25 gsd-print-notifications gsd-printer 19->25         started        file7 30 /var/main, ELF 21->30 dropped 32 /etc/init.d/xs.main, POSIX 21->32 dropped 44 Sample tries to set files in /etc globally writable 21->44 46 Drops files in suspicious directories 21->46 48 Sample deletes itself 21->48 27 armv7l.elf 21->27         started        signatures8 process9 signatures10 50 Sample tries to kill multiple processes (SIGKILL) 27->50
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/5a90617eb91f87e048af1ffadd698550eff7d70c93e668f79959b4b9d79b2950
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5a90617eb91f87e048af1ffadd698550eff7d70c93e668f79959b4b9d79b2950/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-02 00:16:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lkigc7vzd6d6asfpd75n22mfkdx7pvymsptgr54zlg2ltv43ffia._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence
Link:
https://tria.ge/reports/250802-akmclahn7w/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Modifies init.d
Deletes itself
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e63fc254-fbad-4daa-822c-556c767c7d9b
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/5a90617eb91f87e048af1ffadd698550eff7d70c93e668f79959b4b9d79b2950

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_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 5a90617eb91f87e048af1ffadd698550eff7d70c93e668f79959b4b9d79b2950

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3594308/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3587294/

Comments