MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8cba315c20adaa037340944297cdfcf929a6fe3fb22e1de7a11f43d6ec4328c1. 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: 8cba315c20adaa037340944297cdfcf929a6fe3fb22e1de7a11f43d6ec4328c1
SHA3-384 hash: 1de6389611c3263a87f01d4906fb99ea82401216a7a1d83fecc7c4f39a3a19d053486113121e4a42da69a6de63f8a7c2
SHA1 hash: e8bf347ead4b31b1a70ec83ec5c9f86b212750e6
MD5 hash: 88a03c90fb7b3f8fa10c976fad1e3c8c
humanhash: magazine-robert-cola-july
File name:debug
Download: download sample
Signature Mirai
Create hunting rule
File size:48'412 bytes
First seen:2025-12-01 06:01:57 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:LZ+A1ENhFI6vR8IxA5w777EIbaFTC7pgh5gP+vUbCAf5m5CgPZDchYwHWtnbcuyG:N+A1OR8Ixbv7EKpyi++hmP5iMnouy8HL
TLSH T19D23F143E8EC55D1EA9F00315C8F7E2B3C00942C8BAF89A76A04649D7ADFF4116D4B97
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
File size (compressed) :48'412 bytes
File size (de-compressed) :107'796 bytes
Format:linux/i386
Unpacked file: 90ab5e82dfb60f52d7c114d6dab0aac60a7bb0385e0c063e01c21ebdcc8b4fb1

Intelligence

File Origin
# of uploads :
1
# of downloads :
29
Origin country :
DE DE
Vendor Threat Intelligence
Details
No details
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Opens a port
Changes access rights for a written file
Sends data to a server
DNS request
Changes access rights for a file
Connection attempt
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/692d2f6ed0d5e7288b523df2/reports/b520d1ea-d33e-43b4-b9b8-cfa8ac686932/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
46
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/8cba315c20adaa037340944297cdfcf929a6fe3fb22e1de7a11f43d6ec4328c1
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1a2193da-33c3-4cb8-b8ca-fc7aedabe4f6
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1823355
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1823355 Sample: debug.elf Startdate: 01/12/2025 Architecture: LINUX Score: 68 22 169.254.169.254, 80 USDOSUS Reserved 2->22 24 109.202.202.202, 80 INIT7CH Switzerland 2->24 26 3 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Mirai 2->32 34 Sample is packed with UPX 2->34 8 debug.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 process4 process5 16 debug.elf 8->16         started        18 debug.elf 8->18         started        process6 20 debug.elf 16->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/8cba315c20adaa037340944297cdfcf929a6fe3fb22e1de7a11f43d6ec4328c1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8cba315c20adaa037340944297cdfcf929a6fe3fb22e1de7a11f43d6ec4328c1/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-01 06:02:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rs5dcxbavwvag42asrbjptp47eu2n7r7wixb3z5bd5b5n3cdfdaq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/251201-grlszaez6h/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/6d4be91c-2a1b-418e-89a1-7d832c8acdcf
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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 8cba315c20adaa037340944297cdfcf929a6fe3fb22e1de7a11f43d6ec4328c1

(this sample)

Mirai

elf 90ab5e82dfb60f52d7c114d6dab0aac60a7bb0385e0c063e01c21ebdcc8b4fb1

  
URLhaus
https://urlhaus.abuse.ch/url/3713351/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 90ab5e82dfb60f52d7c114d6dab0aac60a7bb0385e0c063e01c21ebdcc8b4fb1
  
Dropping
MD5 69c465e29f497b65fcf26814c417a5cd

Comments