MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a1a0b761c5b4e72740aab0db74380f445dbcd58aa0f9e18ffead9e723da0910. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2a1a0b761c5b4e72740aab0db74380f445dbcd58aa0f9e18ffead9e723da0910
SHA3-384 hash: 00b29d3f6882fddad1af018c9b650b51cc9ad6458a10e17be96df79aaeb9c6ebb4ded7d143562fd5aec8be6743075da1
SHA1 hash: d56d47180cd8d2c94e6085f0beaf78e0330aeab2
MD5 hash: 53c809ebaddf06451b81accc69f04e43
humanhash: early-hamper-cola-snake
File name:px86
Download: download sample
Signature Mirai
Create hunting rule
File size:34'212 bytes
First seen:2025-08-30 14:40:59 UTC
Last seen:2025-08-31 04:42:56 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:L75ZlQoz4CfloZ0TyVWk4shXdtqxtn6T+c6:Lqo3f6Z0SVXZdUtngs
TLSH T11EE2F11BD26D176EDA985339411F870E75DA4D14BF6B93C1E8E800E284872BCEA26672
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 :
41
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Opens a port
Kills processes
Runs as daemon
Sends data to a server
Connection attempt
Substitutes an application name
Deleting of the original file
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed threat upx
Link:
https://www.filescan.io/uploads/68b30daa1c81c34281d8faf1/reports/db6e885f-f6ea-455d-8586-dbcb2cd5d253/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-08-30T12:57:00Z UTC
Last seen:
2025-08-30T12:57:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/2a1a0b761c5b4e72740aab0db74380f445dbcd58aa0f9e18ffead9e723da0910/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/3eec416a-ec19-4c81-aa9d-eb4038d6ffbe
Behavior Graph:
Download SVG
%3 guuid=0056bfdf-1800-0000-66e0-a08b9f0b0000 pid=2975 /usr/bin/sudo guuid=f99267e1-1800-0000-66e0-a08ba50b0000 pid=2981 /tmp/sample.bin delete-file net guuid=0056bfdf-1800-0000-66e0-a08b9f0b0000 pid=2975->guuid=f99267e1-1800-0000-66e0-a08ba50b0000 pid=2981 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=f99267e1-1800-0000-66e0-a08ba50b0000 pid=2981->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=417ea7e1-1800-0000-66e0-a08ba70b0000 pid=2983 /tmp/sample.bin net send-data zombie guuid=f99267e1-1800-0000-66e0-a08ba50b0000 pid=2981->guuid=417ea7e1-1800-0000-66e0-a08ba70b0000 pid=2983 clone guuid=417ea7e1-1800-0000-66e0-a08ba70b0000 pid=2983->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 58a084c5-9e6b-5745-90ad-9f44a64dfe1c 45.138.16.158:18129 guuid=417ea7e1-1800-0000-66e0-a08ba70b0000 pid=2983->58a084c5-9e6b-5745-90ad-9f44a64dfe1c send: 7B guuid=09d5b2e1-1800-0000-66e0-a08ba80b0000 pid=2984 /tmp/sample.bin guuid=417ea7e1-1800-0000-66e0-a08ba70b0000 pid=2983->guuid=09d5b2e1-1800-0000-66e0-a08ba80b0000 pid=2984 clone guuid=b19fb5e1-1800-0000-66e0-a08ba90b0000 pid=2985 /tmp/sample.bin guuid=417ea7e1-1800-0000-66e0-a08ba70b0000 pid=2983->guuid=b19fb5e1-1800-0000-66e0-a08ba90b0000 pid=2985 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/187818ea-4365-4203-8e4d-4202b41b9228
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1768162
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: 1768162 Sample: px86.elf Startdate: 30/08/2025 Architecture: LINUX Score: 72 21 45.138.16.158, 18129, 53106 SPECTRAIPSpectraIPBVNL Netherlands 2->21 23 109.202.202.202, 80 INIT7CH Switzerland 2->23 25 3 other IPs or domains 2->25 27 Malicious sample detected (through community Yara rule) 2->27 29 Multi AV Scanner detection for submitted file 2->29 31 Yara detected Mirai 2->31 33 Sample is packed with UPX 2->33 8 px86.elf 2->8         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 process4 signatures5 35 Sample deletes itself 8->35 15 px86.elf 8->15         started        process6 process7 17 px86.elf 15->17         started        19 px86.elf 15->19         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/2a1a0b761c5b4e72740aab0db74380f445dbcd58aa0f9e18ffead9e723da0910
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2a1a0b761c5b4e72740aab0db74380f445dbcd58aa0f9e18ffead9e723da0910/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-30 14:42:39 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=finaw5q4lnhhe5akvmg3oq4a6rc5xtkyvihz4gh75lm6oi62beia._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/250830-r2sz5svqt5/
Behaviour
Reads runtime system information
Changes its process name
Deletes itself
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f5b82984-cfc3-4c84-a230-9c9ee1217e06
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/2a1a0b761c5b4e72740aab0db74380f445dbcd58aa0f9e18ffead9e723da0910

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_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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

sh ae3354cd9bbb37d0974a45e8160a0c3dd15ca407a8b5c71ce20d3e6c4c9dc27f

Mirai

elf 2a1a0b761c5b4e72740aab0db74380f445dbcd58aa0f9e18ffead9e723da0910

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3609506/
  
Delivery method
Distributed via web download
  
Dropped by
SHA256 ae3354cd9bbb37d0974a45e8160a0c3dd15ca407a8b5c71ce20d3e6c4c9dc27f
  
Dropped by
MD5 5dc03e6c9d67d5f3b3499d31604abb4d
  
URLhaus
https://urlhaus.abuse.ch/url/3615262/

Comments