MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 98b2307793b57c4451aa0ce8b77aa933f704a2868bf280ed5a77e59fe5c23f84. 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: 13


Intelligence 13 IOCs YARA 11 File information Comments
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SHA256 hash: 98b2307793b57c4451aa0ce8b77aa933f704a2868bf280ed5a77e59fe5c23f84
SHA3-384 hash: 38db0a2a4850ae1b2a805c41143548afda599777ba1b9d04dee340a49f5d86b62c0f34d9efea265b58f116129372a99f
SHA1 hash: 41cae096d0484c7745acbbdc350c377045ec614c
MD5 hash: 264d6a037c20fae4556400afe0e6459a
humanhash: kitten-fix-seventeen-snake
File name:byte.arm7
Download: download sample
Signature Mirai
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File size:168'021 bytes
First seen:2025-01-16 05:26:25 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:HUvDiabnHkiS3AalhgyCv/097HjvNMI4vM++ewAM/9lnVao:HUvmabHMAalhgyCHo3NsM++eTM/9ln4o
TLSH T1F9F35B46FA418A13C0D52776BAEF42493322A764D3DB33069D18AFF43F8679E0E67605
telfhash t10d21ce315731561969a1dca4dcee97b2152987131384bf33de36c48c541a0aee63bc4f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
118
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
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Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
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Sanesecurity.Malware.28959.LC.UNOFFICIAL
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Sanesecurity.Malware.30435.LC.UNOFFICIAL
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Unix.Trojan.Mirai-6976991-0
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Unix.Trojan.Mirai-7100807-0
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Unix.Dropper.Mirai-7135897-0
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Unix.Dropper.Mirai-7135898-0
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Unix.Dropper.Mirai-7135901-0
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Unix.Dropper.Mirai-7135909-0
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Unix.Trojan.Mirai-7135916-0
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Unix.Dropper.Mirai-7135918-0
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Unix.Dropper.Mirai-7135925-0
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Unix.Dropper.Mirai-7135928-0
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Unix.Dropper.Mirai-7135954-0
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Unix.Dropper.Mirai-7136013-0
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Unix.Dropper.Mirai-7136016-0
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Unix.Dropper.Mirai-7136028-0
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Unix.Dropper.Mirai-7136057-0
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Unix.Dropper.Mirai-7139229-0
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Unix.Trojan.Mirai-8025795-0
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Unix.Trojan.Mirai-9760303-0
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Unix.Trojan.Mirai-9858729-0
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Unix.Trojan.Mirai-9943731-0
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Unix.Trojan.Mirai-9945193-0
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Unix.Trojan.Mirai-9946826-0
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Unix.Dropper.Mirai-10008433-0
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Unix.Trojan.Mirai-10028946-0
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Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=678898ab4487910100df779blinux22vpnfull_triage
Tags:
mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Kills processes
Sends data to a server
Receives data from a server
Runs as daemon
Kills critical processes
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
botnet gcc lolbin masquerade mirai remote
Link:
https://www.filescan.io/uploads/678898b9a8210c4ace64b5dc/reports/d99a22e7-fe75-4006-86c6-7ad1414752fb/overview
Result
Verdict:
MALICIOUS
Malware family:
Mirai
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bcd81447-078a-4f5f-8131-8d6bd75dcea2
Result
Threat name:
Mirai, Okiru
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Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1592443
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill a massive number of system processes
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1592443 Sample: byte.arm7.elf Startdate: 16/01/2025 Architecture: LINUX Score: 100 55 krkrdoskslansldkalsd.o-r.kr 193.143.1.66, 2222, 45940, 45942 BITWEB-ASRU unknown 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Antivirus / Scanner detection for submitted sample 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 3 other signatures 2->63 8 dash rm byte.arm7.elf 2->8         started        10 systemd gpu-manager 2->10         started        12 systemd gpu-manager 2->12         started        14 45 other processes 2->14 signatures3 process4 signatures5 17 byte.arm7.elf 8->17         started        19 byte.arm7.elf 8->19         started        22 byte.arm7.elf 8->22         started        24 gpu-manager sh 10->24         started        26 gpu-manager sh 10->26         started        28 gpu-manager sh 10->28         started        30 3 other processes 10->30 32 6 other processes 12->32 73 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->73 34 9 other processes 14->34 process6 signatures7 36 byte.arm7.elf 17->36         started        39 byte.arm7.elf 17->39         started        65 Sample tries to kill a massive number of system processes 19->65 67 Sample tries to kill multiple processes (SIGKILL) 19->67 41 sh grep 24->41         started        43 sh grep 26->43         started        45 sh grep 28->45         started        47 sh grep 30->47         started        49 2 other processes 30->49 51 6 other processes 32->51 53 2 other processes 34->53 process8 signatures9 69 Sample tries to kill a massive number of system processes 36->69 71 Sample tries to kill multiple processes (SIGKILL) 36->71
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/98b2307793b57c4451aa0ce8b77aa933f704a2868bf280ed5a77e59fe5c23f84
Detection:
mirai
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Link:
https://mwdb.cert.pl/sample/98b2307793b57c4451aa0ce8b77aa933f704a2868bf280ed5a77e59fe5c23f84/
Threat name:
Linux.Trojan.Mirai
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Status:
Malicious
First seen:
2025-01-16 05:27:04 UTC
File Type:
ELF32 Little (Exe)
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tczda54twv6eiunkbtulo6vjgp3qjiugrpzib3k2o7sz7zoch6ca._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery
Link:
https://tria.ge/reports/250116-f5eq5svqfq/
Behaviour
Reads runtime system information
Enumerates running processes
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
botnet mirai Unix.Trojan.Mirai-6976991-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_2 Mirai_Botnet_Malware
Link:
https://app.threat.zone/submission/b7b3204a-54cf-4043-bbb2-22b4966dbf2f
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/98b2307793b57c4451aa0ce8b77aa933f704a2868bf280ed5a77e59fe5c23f84

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_3bcc1630
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Author:Elastic Security
Rule name:Linux_Generic_Threat_8299c877
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Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
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Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
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Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
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Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:Mirai_Botnet_Malware
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Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
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Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:setsockopt
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Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla_Oct19
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Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
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Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
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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 98b2307793b57c4451aa0ce8b77aa933f704a2868bf280ed5a77e59fe5c23f84

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3377101/
  
Delivery method
Distributed via web download

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