MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a7a88f584e2eb763c609c01237a78d2c2cd67a74759fe2692e4bc44f3c81ec6. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a7a88f584e2eb763c609c01237a78d2c2cd67a74759fe2692e4bc44f3c81ec6
SHA3-384 hash: f1ff4694a47fc9a832b54442e3236116557a8a3f29cf28e0896fa7c230dabca80173f7d4e08600d95634dee16874e5bf
SHA1 hash: 8f8749824edd38e9d8ed6caf63a9fcf5fe052c26
MD5 hash: 2d47236991bb1d388bd4425bd2eeaf1c
humanhash: queen-delta-arkansas-july
File name:mips
Download: download sample
Signature Mirai
Create hunting rule
File size:212'540 bytes
First seen:2025-07-31 15:15:48 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:0AwabFdY7X9RYt0xi4N/wn32JZ0yYup4bZiYfxb1D:02vY7frxjm3uhYJdiYZb1D
TLSH T1F924851E6E229F7DF268C73447B74A34979D33D623E1D684E1ACC1051E2439E642FBA8
telfhash t1fa418e1c097807b4a7645c9d09edfb37d66330da7e266c338e61e86aab79e439d10c0c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
22
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-8041698-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Creating a file
Sets a written file as executable
Receives data from a server
Connection attempt
Kills processes
Runs as daemon
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
obfuscated
Link:
https://www.filescan.io/uploads/688b88ce32e610908688f8dc/reports/f5094ed2-b390-469e-ba9e-286af57b49aa/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
127
Number of processes launched:
6
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/4a7a88f584e2eb763c609c01237a78d2c2cd67a74759fe2692e4bc44f3c81ec6
Behaviour
Persistence
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/68cc88cd-f7f1-49f8-b026-cfed17c850d5
Behavior Graph:
Download SVG
%3 guuid=fe35db71-1800-0000-4565-9dac0f0d0000 pid=3343 /usr/bin/sudo guuid=08137e73-1800-0000-4565-9dac160d0000 pid=3350 /tmp/sample.bin guuid=fe35db71-1800-0000-4565-9dac0f0d0000 pid=3343->guuid=08137e73-1800-0000-4565-9dac160d0000 pid=3350 execve guuid=71731c75-1800-0000-4565-9dac1b0d0000 pid=3355 /usr/bin/dash guuid=08137e73-1800-0000-4565-9dac160d0000 pid=3350->guuid=71731c75-1800-0000-4565-9dac1b0d0000 pid=3355 clone
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/54b78d7e-a0fd-4982-8a38-da36799b858a
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1747952
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Found malware configuration
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to set files in /etc globally writable
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1747952 Sample: mips.elf Startdate: 31/07/2025 Architecture: LINUX Score: 100 29 169.254.169.254, 80 USDOSUS Reserved 2->29 31 92.113.21.114, 5070, 59592, 59594 UKRTELNETUA Ukraine 2->31 33 4 other IPs or domains 2->33 35 Found malware configuration 2->35 37 Antivirus detection for dropped file 2->37 39 Antivirus / Scanner detection for submitted sample 2->39 41 3 other signatures 2->41 9 mips.elf 2->9         started        11 dash rm 2->11         started        13 dash rm 2->13         started        15 python3.8 dpkg 2->15         started        signatures3 process4 process5 17 mips.elf 9->17         started        process6 19 mips.elf 17->19         started        file7 25 /var/main, ELF 19->25 dropped 27 /etc/init.d/xs.main, POSIX 19->27 dropped 43 Sample tries to set files in /etc globally writable 19->43 45 Drops files in suspicious directories 19->45 47 Sample deletes itself 19->47 23 mips.elf 19->23         started        signatures8 process9
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4a7a88f584e2eb763c609c01237a78d2c2cd67a74759fe2692e4bc44f3c81ec6
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4a7a88f584e2eb763c609c01237a78d2c2cd67a74759fe2692e4bc44f3c81ec6/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-31 15:16:17 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jj5ir5me4lvxmpdatqasg6ty2lbm2z5hi5m74jus4s6ej46id3da._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence
Link:
https://tria.ge/reports/250731-snm3eaxrx9/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Enumerates running processes
Modifies init.d
Deletes itself
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-8041698-0
YARA:
n/a
Link:
https://app.threat.zone/submission/9977ced3-90c7-4ed0-ac9d-1194eb3f6973
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/4a7a88f584e2eb763c609c01237a78d2c2cd67a74759fe2692e4bc44f3c81ec6

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

sh 79377c90f842758f5f8632015a3e9dce36f8ad44e59c43e2512f3a142fde28d1

Mirai

elf 4a7a88f584e2eb763c609c01237a78d2c2cd67a74759fe2692e4bc44f3c81ec6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3593717/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3593944/
  
Dropped by
SHA256 79377c90f842758f5f8632015a3e9dce36f8ad44e59c43e2512f3a142fde28d1
  
Dropped by
MD5 ede61ca2cbf0807f336bec1087f97e16
  
URLhaus
https://urlhaus.abuse.ch/url/3594014/

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