MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5ae9ca612e870cac00cb4ffdf7f4c5d65d2a5da52f02ac68c96a4f5788e15c0. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a5ae9ca612e870cac00cb4ffdf7f4c5d65d2a5da52f02ac68c96a4f5788e15c0
SHA3-384 hash: 9f7c2efe5c2fb2707e7fd13f2f99b77b918f4c88c5cc2fa82bc22c6da0bb03dee037ed5489fc234a8a7e0b14a678e1b6
SHA1 hash: 645bf25ab7534b32c0e6894addddc4d65d713205
MD5 hash: c820619893fd0b677a89c48d0d0311fb
humanhash: kilo-early-massachusetts-item
File name:byte.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:99'828 bytes
First seen:2025-03-22 13:46:19 UTC
Last seen:2025-03-22 22:45:40 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:e65VvwW2yEk5I355hxAXYLOwXZMHOs8PGyq7HeLJyUkfl61d6xEp:e6TvJ5i3555iHOs8PJqgkf4UEp
TLSH T12FA30B0A7E21CFEDF7A8823547F78A21A75833D627F1D585E19CD6005F6024E681FBA8
telfhash t198113648893813f49bb50d9d66edfb76e45170eb0a225e378d00f8ad9a2dd01ad01c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
87
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67debf2c518d210202e7ec21linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Receives data from a server
DNS request
Sends data to a server
Kills processes
Substitutes an application name
Kills critical processes
Performs a bruteforce attack in the network
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bash lolbin masquerade obfuscated remote
Link:
https://www.filescan.io/uploads/67debf5ce05c48ec61e61074/reports/df7c09cc-e59b-47fd-9b7a-c5e6715d795a/overview
Result
Verdict:
MALICIOUS
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/10fa5d21-c5a1-4b60-b4a8-ae052e87b3da
Result
Threat name:
Okiru
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1645782
Signature
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)
Uses dynamic DNS services
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1645782 Sample: byte.mips.elf Startdate: 22/03/2025 Architecture: LINUX Score: 76 55 galaxianet.duckdns.org 2->55 57 122.198.22.192, 23 ZAQJupiterTelecommunicationsCoLtdJP China 2->57 59 100 other IPs or domains 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 Yara detected Okiru 2->63 8 byte.mips.elf 2->8         started        10 systemd gpu-manager 2->10         started        12 systemd gpu-manager 2->12         started        14 85 other processes 2->14 signatures3 65 Uses dynamic DNS services 55->65 process4 signatures5 17 byte.mips.elf 8->17         started        19 byte.mips.elf 8->19         started        22 byte.mips.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 4 other processes 10->30 32 6 other processes 12->32 75 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->75 34 32 other processes 14->34 process6 signatures7 36 byte.mips.elf 17->36         started        47 4 other processes 17->47 67 Sample tries to kill a massive number of system processes 19->67 69 Sample tries to kill multiple processes (SIGKILL) 19->69 39 sh grep 24->39         started        41 sh grep 26->41         started        43 sh grep 28->43         started        45 sh grep 30->45         started        49 3 other processes 30->49 51 6 other processes 32->51 53 23 other processes 34->53 process8 signatures9 71 Sample tries to kill a massive number of system processes 36->71 73 Sample tries to kill multiple processes (SIGKILL) 36->73
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a5ae9ca612e870cac00cb4ffdf7f4c5d65d2a5da52f02ac68c96a4f5788e15c0
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a5ae9ca612e870cac00cb4ffdf7f4c5d65d2a5da52f02ac68c96a4f5788e15c0/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-03-22 13:47:11 UTC
File Type:
ELF32 Big (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uwxjzjqs5bymvqamwt75672mlvs5fjo2klycvrums2spk6eocxaa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:sora defense_evasion discovery
Link:
https://tria.ge/reports/250322-q3kjqaxqt8/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (337848) amount of remote hosts
Creates a large amount of network flows
Gathering data
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/a5ae9ca612e870cac00cb4ffdf7f4c5d65d2a5da52f02ac68c96a4f5788e15c0

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:Linux_Generic_Threat_3bcc1630
Create hunting rule
Author:Elastic Security
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 a5ae9ca612e870cac00cb4ffdf7f4c5d65d2a5da52f02ac68c96a4f5788e15c0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3478367/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments