MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2d91163eeefbc033b7f4aad57635df36c770a8a2f7864e78d8831739c1d9da6. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a2d91163eeefbc033b7f4aad57635df36c770a8a2f7864e78d8831739c1d9da6
SHA3-384 hash: ffd8ff3da5a250658274ee7fae3dc3d65edb93428907933d55cd4a2d4ee376ef0873792f3b52bbe654d5158834eb3277
SHA1 hash: 0b3a7595b941bd59a7755a3993b68de121936090
MD5 hash: 69f121fdff50e48b832f185b62adcc4d
humanhash: quiet-echo-freddie-yellow
File name:px86
Download: download sample
Signature Mirai
Create hunting rule
File size:34'212 bytes
First seen:2025-06-11 21:59:06 UTC
Last seen:2025-06-12 10:51:53 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:L75ZlQR4CfloZ0TyVWk4shXdtqxtn6T+cn:LqRf6Z0SVXZdUtngJ
TLSH T11DE2F11BD26D176DDA985335411F870E75DA4D14BF6B93C1E8E800E284872BCFA26772
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

Intelligence

File Origin
# of uploads :
2
# of downloads :
85
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6849fc3907b5e8c1cfe65519linux22vpnfull_triage
Tags:
backdoor
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Receives data from a server
Opens a port
Sends data to a server
Kills processes
Substitutes an application name
Deleting of the original file
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/6849fc3bfd02ed5e05a50c91/reports/43139bd9-7eec-45b9-8d06-e00eacf053d9/overview
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3a31e48f-1aef-4300-a951-43e4568f2f0f
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1712771
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1712771 Sample: px86.elf Startdate: 12/06/2025 Architecture: LINUX Score: 72 17 193.32.162.27, 18129, 33632 DATACENTERRO Romania 2->17 19 daisy.ubuntu.com 2->19 21 Malicious sample detected (through community Yara rule) 2->21 23 Multi AV Scanner detection for submitted file 2->23 25 Yara detected Mirai 2->25 27 Sample is packed with UPX 2->27 8 px86.elf 2->8         started        signatures3 process4 signatures5 29 Sample deletes itself 8->29 11 px86.elf 8->11         started        process6 process7 13 px86.elf 11->13         started        15 px86.elf 11->15         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a2d91163eeefbc033b7f4aad57635df36c770a8a2f7864e78d8831739c1d9da6
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a2d91163eeefbc033b7f4aad57635df36c770a8a2f7864e78d8831739c1d9da6/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-06-11 21:59:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ulmrcy7o566ago37jkwvoy256nwhocukf54gjz4nrayxhha5twta._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
linux rootkit upx
Link:
https://tria.ge/reports/250611-1v4mqsxqs3/
Behaviour
Loads a kernel module
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2cbd1933-8911-472c-896d-d8d5ad22e9a6
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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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 a2d91163eeefbc033b7f4aad57635df36c770a8a2f7864e78d8831739c1d9da6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3487551/
  
Delivery method
Distributed via web download

Comments