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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2ab881d764f3d7c1d1a1f4f895bb41b6668964e24061e6ad730d0ed03468768d. 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: 10


Intelligence 10 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2ab881d764f3d7c1d1a1f4f895bb41b6668964e24061e6ad730d0ed03468768d
SHA3-384 hash: 8f0ec80b9c2af1f9b3429d826ac1b26eb412dd1b785ffc62c01b5d180e266ada047815111d8d5132b73d08725deaf9a6
SHA1 hash: 6cfb8e24100326d7b179cefe7514246fe45883ec
MD5 hash: 67025294d436d45104b13d43d14f8069
humanhash: finch-orange-alaska-april
File name:sever1078.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:613'452 bytes
First seen:2026-09-18 15:02:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:2JNddtnJJ4ev6l+JYokTNowWlAuG0fb/:2bdBJ4evvBuWlAyj
TLSH T161D45B056F510EFBD82FCC3746AD9706209E1C47329A7F727A78E908B94A3475AD34B8
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 a8c5d743b348ac542036ab7439ec5e40150eb5cfbc06494e9d46c0b4d798bedf
File size (compressed) :236'368 bytes
File size (de-compressed) :613'452 bytes
Format:linux/mipsel
Packed file: a8c5d743b348ac542036ab7439ec5e40150eb5cfbc06494e9d46c0b4d798bedf

Intelligence

File Origin
# of uploads :
1
# of downloads :
79
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/5b4feafa-bd42-4297-9141-9fcb1854bc62/
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29502.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10059006-0
Create hunting rule

Unix.Trojan.Mirai-10059216-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Opens a port
Receives data from a server
Changes the time when the file was created, accessed, or modified
Launching a process
Connection attempt
Sends data to a server
Creating a process from a recently created file
Runs as daemon
Sets a written file as executable
Manages services
DNS request
Changes access rights for a written file
Creating a file
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/6aad52b21ef1935ffa7a82e2/reports/2fecf371-6a53-4ccb-8ac1-7b4f48954490/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-09-18T13:11:00Z UTC
Last seen:
2026-09-19T22:26:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/2ab881d764f3d7c1d1a1f4f895bb41b6668964e24061e6ad730d0ed03468768d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f3b5677e-8e7d-4eff-b4c9-df342e9b4744
Behavior Graph:
Download SVG
%3 guuid=e928efab-1d00-0000-53f2-87d7760a0000 pid=2678 /usr/bin/sudo guuid=26f375b1-1d00-0000-53f2-87d77d0a0000 pid=2685 /tmp/sample.bin guuid=e928efab-1d00-0000-53f2-87d7760a0000 pid=2678->guuid=26f375b1-1d00-0000-53f2-87d77d0a0000 pid=2685 execve
Gathering data
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1974819
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops invisible ELF files
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1974819 Sample: sever1078.mpsl.elf Startdate: 18/09/2026 Architecture: LINUX Score: 100 87 64.50.30.240 XO-AS15-VerizonBusinessUS United States 2->87 89 198.65.169.197 WINDSTREAM-WindstreamCommunicationsLLCUS United States 2->89 91 100 other IPs or domains 2->91 93 Suricata IDS alerts for network traffic 2->93 95 Antivirus detection for dropped file 2->95 97 Antivirus / Scanner detection for submitted sample 2->97 99 3 other signatures 2->99 9 sever1078.mpsl.elf .sysd 2->9         started        13 systemd .sysd 2->13         started        15 systemd .sysd 2->15         started        17 5 other processes 2->17 signatures3 process4 file5 83 /var/tmp/.sysd, ELF 9->83 dropped 105 Drops invisible ELF files 9->105 19 sever1078.mpsl.elf sh 9->19         started        21 .sysd sh 9->21         started        23 sever1078.mpsl.elf sh 9->23         started        31 4 other processes 9->31 85 /var/tmp/.sysd.lock, ASCII 13->85 dropped 25 .sysd sh 13->25         started        33 4 other processes 13->33 27 .sysd sh 15->27         started        29 .sysd 15->29         started        35 3 other processes 15->35 signatures6 process7 process8 37 sh 19->37         started        39 sh 21->39         started        47 3 other processes 23->47 41 sh 25->41         started        43 sh 27->43         started        49 3 other processes 29->49 45 .sysd 31->45         started        51 2 other processes 31->51 53 3 other processes 33->53 process9 55 sh crontab 37->55         started        67 2 other processes 37->67 59 sh crontab 39->59         started        69 2 other processes 39->69 61 sh crontab 41->61         started        71 2 other processes 41->71 63 sh crontab 43->63         started        73 2 other processes 43->73 65 .sysd 45->65         started        file10 75 /var/spool/cron/crontabs/tmp.tUXbJP, ASCII 55->75 dropped 101 Sample tries to persist itself using cron 55->101 103 Executes the "crontab" command typically for achieving persistence 55->103 77 /var/spool/cron/crontabs/tmp.6noUyz, ASCII 59->77 dropped 79 /var/spool/cron/crontabs/tmp.zGwz4W, ASCII 61->79 dropped 81 /var/spool/cron/crontabs/tmp.LxoD11, ASCII 63->81 dropped signatures11
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/2ab881d764f3d7c1d1a1f4f895bb41b6668964e24061e6ad730d0ed03468768d
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2ab881d764f3d7c1d1a1f4f895bb41b6668964e24061e6ad730d0ed03468768d/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-09-18 14:55:57 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fk4idv3e6pl4dunb6t4jlo2bwztiszhcibq6nlltbuhnandio2gq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/260918-se5wvsxdpd/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Creates/modifies Cron job
Enumerates active TCP sockets
Enumerates running processes
Modifies systemd
Writes file to system bin folder
Executes dropped EXE
Modifies Watchdog functionality
Contacts a large (19843) amount of remote hosts
Creates a large amount of network flows
Family: Mirai
Malware Config
C2 Extraction:
bigbigvol.qd.je
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/2ab881d764f3d7c1d1a1f4f895bb41b6668964e24061e6ad730d0ed03468768d

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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_1ac392ca
Create hunting rule
Author:Elastic Security
Rule name:NSVPS_Mirai_Busybox_Staging
Create hunting rule
Author:sanad (NSVPS-SOC)
Description:Mirai-style busybox wget/tftp payload staging seen in NSVPS honeypot
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 a8c5d743b348ac542036ab7439ec5e40150eb5cfbc06494e9d46c0b4d798bedf

Mirai

elf 2ab881d764f3d7c1d1a1f4f895bb41b6668964e24061e6ad730d0ed03468768d

(this sample)

  
Dropped by
SHA256 a8c5d743b348ac542036ab7439ec5e40150eb5cfbc06494e9d46c0b4d798bedf
  
URLhaus
https://urlhaus.abuse.ch/url/3918578/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 48f89b829127e827825c0bf054ed7d5e

Comments