MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca81a5abe1a5fbb311ed2a6b333f2988241d69470f042dd7363b54c7d7f91953. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ca81a5abe1a5fbb311ed2a6b333f2988241d69470f042dd7363b54c7d7f91953
SHA3-384 hash: ceae5649f29b7784827b8f739a5e0f4a4b93796926f7475b48bbe47575a03b93e2ed38a64d9bc5f3330a0f31866b4311
SHA1 hash: 502ae7783b7737871cbdb69f85a4b54cf84861dc
MD5 hash: f74736db392856f5d4e41efaf0cbed7b
humanhash: floor-bacon-undress-wyoming
File name:parm7
Download: download sample
Signature Mirai
Create hunting rule
File size:159'958 bytes
First seen:2025-12-31 01:05:24 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:MbV/f91dKUpva8D6KQhqD9a0DL7AtFJuEtq5SXM/9WwVt:MbVtzZva8D6KQhqpaG7WFYMq5uM/9WwX
TLSH T150F32B46AA418B13C4D6277AFADF42453323AB64D3DB330599287FB43F8679E0E63605
telfhash t14e31db329b21512a6a52cc60d9fe47f1252cca276744ee77ce36c5cc641a09ae62bc4f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
35
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/7bd0c34c-181c-44a4-8f39-eca2bcc9e804/
Detection(s):
Unix.Dropper.Mirai-7135925-0
Create hunting rule

Unix.Dropper.Mirai-7135928-0
Create hunting rule

Unix.Dropper.Mirai-7139229-0
Create hunting rule

Unix.Trojan.Mirai-9760303-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash gcc lolbin mirai rust
Link:
https://www.filescan.io/uploads/6954770c2fb7bb52ca82ccf5/reports/9064bc93-5cb0-4f35-a1c0-4923de4de401/overview
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
Detections:
HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/ca81a5abe1a5fbb311ed2a6b333f2988241d69470f042dd7363b54c7d7f91953/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/90aad0e1-9ee4-4343-9f1c-ef639afa6fd8
Behavior Graph:
Download SVG
%3 guuid=7c3437ed-1800-0000-20cd-7a1a1f0b0000 pid=2847 /usr/bin/sudo guuid=6173d9ef-1800-0000-20cd-7a1a280b0000 pid=2856 /tmp/sample.bin guuid=7c3437ed-1800-0000-20cd-7a1a1f0b0000 pid=2847->guuid=6173d9ef-1800-0000-20cd-7a1a280b0000 pid=2856 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4c25d1c1-de08-4f93-886e-11e32365bc86
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1842501
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Multi AV Scanner detection for submitted file
Sample deletes itself
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1842501 Sample: parm7.elf Startdate: 31/12/2025 Architecture: LINUX Score: 88 17 130.12.180.76, 18129, 42502, 42504 DATAHOPDatahop-SixDegreesGB Canada 2->17 19 Antivirus / Scanner detection for submitted sample 2->19 21 Multi AV Scanner detection for submitted file 2->21 23 Yara detected Mirai 2->23 25 Contains symbols with names commonly found in malware 2->25 8 parm7.elf 2->8         started        signatures3 process4 signatures5 27 Sample deletes itself 8->27 11 parm7.elf 8->11         started        process6 process7 13 parm7.elf 11->13         started        15 parm7.elf 11->15         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ca81a5abe1a5fbb311ed2a6b333f2988241d69470f042dd7363b54c7d7f91953
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ca81a5abe1a5fbb311ed2a6b333f2988241d69470f042dd7363b54c7d7f91953/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/ca81a5abe1a5fbb311ed2a6b333f2988241d69470f042dd7363b54c7d7f91953
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-31 01:06:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zka2lk7bux53gepnfjvtgpzjrasb22khb4cc3vzwhnkmpv7zdfjq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:mirai credential_access defense_evasion discovery
Link:
https://tria.ge/reports/251231-bf1j4aey2e/
Behaviour
Reads runtime system information
Changes its process name
Reads process memory
Deletes itself
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135925-0
YARA:
n/a
Link:
https://app.threat.zone/submission/bcf09cd8-0892-4992-a375-6097ba7d916d
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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 ca81a5abe1a5fbb311ed2a6b333f2988241d69470f042dd7363b54c7d7f91953

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739040/
  
Delivery method
Distributed via web download

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