MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a7b936f10d051d3e57e74d05085eb6247cb12a00688efc744edcd5f3c4986069. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a7b936f10d051d3e57e74d05085eb6247cb12a00688efc744edcd5f3c4986069
SHA3-384 hash: 09b07a29ae13e5127a3aa39ef2a2bf41078c86335c7e43492e42929530de4db1091cb89938534cabeb1d8c583ef6ea90
SHA1 hash: 32e7238b73083bb9f93c8e249ec51cf8f2066e41
MD5 hash: cfb4455914997726fb00a8b9b2df704c
humanhash: west-eighteen-michigan-triple
File name:nabmips
Download: download sample
Signature Mirai
Create hunting rule
File size:51'336 bytes
First seen:2025-02-10 21:56:25 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:dMO1gEnsiOazyDuCHUPEqvmu4WtSVWlx9BASq1:d339F4Wv39SSq1
TLSH T1B733641D2E318FADF76C823547B74F259759239526E0C688E2ACE9051FB030D646FBA8
telfhash t1a401695c853813f0a7811c9eabfeff77d5a141df0a659e3bce00e9668b219825e00c2c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
117
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-9970440-0
Create hunting rule

Unix.Trojan.Mirai-1
Create hunting rule

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67aa7666f667f46cd182e379linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Receives data from a server
Sends data to a server
Opens a port
Runs as daemon
Substitutes an application name
Performs a bruteforce attack in the network
Deleting of the original file
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
74
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/a7b936f10d051d3e57e74d05085eb6247cb12a00688efc744edcd5f3c4986069
Behaviour
Process Renaming
Information Gathering
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/2e5a133c-d121-4d94-b1c9-a8f81bd74d5a
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1611491
Signature
Multi AV Scanner detection for submitted file
Sample deletes itself
Sends malformed DNS queries
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1611491 Sample: nabmips.elf Startdate: 10/02/2025 Architecture: LINUX Score: 56 19 serisbot.geek. [malformed] 2->19 21 193.201.4.212 WITBE-ASFR France 2->21 23 100 other IPs or domains 2->23 25 Multi AV Scanner detection for submitted file 2->25 8 nabmips.elf 2->8         started        signatures3 27 Sends malformed DNS queries 19->27 process4 signatures5 29 Sample deletes itself 8->29 11 nabmips.elf 8->11         started        process6 process7 13 nabmips.elf 11->13         started        15 nabmips.elf 11->15         started        17 nabmips.elf 11->17         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a7b936f10d051d3e57e74d05085eb6247cb12a00688efc744edcd5f3c4986069
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a7b936f10d051d3e57e74d05085eb6247cb12a00688efc744edcd5f3c4986069/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-02-10 21:57:07 UTC
File Type:
ELF32 Big (Exe)
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u64tn4inauot4v7hjucqqxvwer6lckqanchpy5co3tk7hreymbuq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai credential_access defense_evasion discovery
Link:
https://tria.ge/reports/250210-1t1vfsznhv/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads system network configuration
Reads process memory
Creates a large amount of network flows
Enumerates active TCP sockets
Enumerates running processes
Deletes itself
Modifies Watchdog functionality
Renames itself
Unexpected DNS network traffic destination
Contacts a large (12097) amount of remote hosts
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9970440-0
YARA:
n/a
Link:
https://app.threat.zone/submission/ad11dadd-a59c-4a8e-965d-848b71b46bf9
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/a7b936f10d051d3e57e74d05085eb6247cb12a00688efc744edcd5f3c4986069

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: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

sh 653495898882db81698849684aa262af7958be726a593c535f25b9a324629484

Mirai

elf a7b936f10d051d3e57e74d05085eb6247cb12a00688efc744edcd5f3c4986069

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3424015/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3423988/
  
URLhaus
https://urlhaus.abuse.ch/url/3422893/
  
URLhaus
https://urlhaus.abuse.ch/url/3422963/
  
Dropped by
SHA256 653495898882db81698849684aa262af7958be726a593c535f25b9a324629484
  
Dropped by
MD5 6c19555cbd116f10a71d66d20bb499d9
  
URLhaus
https://urlhaus.abuse.ch/url/3436393/
  
URLhaus
https://urlhaus.abuse.ch/url/3436413/

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