MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a92074425b66b784cd40c04ddf842fc28f69901b988e97b7ff9f773cd95cfc5f. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a92074425b66b784cd40c04ddf842fc28f69901b988e97b7ff9f773cd95cfc5f
SHA3-384 hash: 52b00449c7b42e9c195e05830791fdd069208af6e58dae3674cd14cdb2b0c6c752e54d08c50d33f9e6dda42d17a64e31
SHA1 hash: 4007d57b67c0bbbd22e651bb5fc4690bcbbf1f38
MD5 hash: 50f48e5826425770618e96666892365f
humanhash: pluto-queen-hawaii-august
File name:b2
Download: download sample
Signature Mirai
Create hunting rule
File size:178'504 bytes
First seen:2025-02-20 05:51:17 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:vUVsRMoO5L6YmYolupjIDthCofd75T/fkElW6gDRkVZyyEtWPfyR/aoJp7twxcTm:8VsR4np4LCofd7lfyYc30Yk
TLSH T1D804FE6AAB719EB7EC0DCD3301995502518C925E92DE2F6FFAA4C519E38BD0F44E3C84
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
93
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-10010431-0
Create hunting rule

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67b6c39028ab76d43a5c1f15linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Kills processes
Sends data to a server
Creating a file
Collects information on the network activity
Substitutes an application name
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a92074425b66b784cd40c04ddf842fc28f69901b988e97b7ff9f773cd95cfc5f
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/c817a932-0626-444e-afd2-808eb35f6480
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1619695
Signature
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1619695 Sample: b2.elf Startdate: 20/02/2025 Architecture: LINUX Score: 52 31 Multi AV Scanner detection for submitted file 2->31 9 dash rm b2.elf 2->9         started        12 dash rm 2->12         started        14 xfce4-panel wrapper-2.0 2->14         started        16 5 other processes 2->16 process3 signatures4 33 Sample tries to kill multiple processes (SIGKILL) 9->33 18 b2.elf 9->18         started        process5 process6 20 b2.elf 18->20         started        process7 22 b2.elf 20->22         started        24 b2.elf 20->24         started        26 b2.elf 20->26         started        process8 28 b2.elf 22->28         started        signatures9 35 Sample tries to kill multiple processes (SIGKILL) 28->35
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a92074425b66b784cd40c04ddf842fc28f69901b988e97b7ff9f773cd95cfc5f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a92074425b66b784cd40c04ddf842fc28f69901b988e97b7ff9f773cd95cfc5f/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-02-20 05:52:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
8 of 38 (21.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=veqhiqs3m23yjtkaybg57bbpykhwtea3tchjpn77t53tzwk47rpq._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery
Link:
https://tria.ge/reports/250220-gksb6szlt8/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9441505-0
YARA:
n/a
Link:
https://app.threat.zone/submission/cec2dc05-2006-42ed-86b8-90a5de2a2f71
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/a92074425b66b784cd40c04ddf842fc28f69901b988e97b7ff9f773cd95cfc5f

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: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 a92074425b66b784cd40c04ddf842fc28f69901b988e97b7ff9f773cd95cfc5f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3445162/
  
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