MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a400c469c79b7ff007f6155ce7291c19ac78a6af07d9b94d703130ccba81acd. 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: 3a400c469c79b7ff007f6155ce7291c19ac78a6af07d9b94d703130ccba81acd
SHA3-384 hash: 364567a69feede2f7149922aca66627a84055a7e1dff05dcb680581c48452cb66de260ab0247f8f5f9ab64b77e2fae60
SHA1 hash: 0e4542470941bc3e18741486e2a73845397043f4
MD5 hash: 2b174e2fef5edbcdd5fbb4da88ceb43f
humanhash: nitrogen-oregon-enemy-magazine
File name:nwfaiehg4ewijfgriehgirehaughrarg.ppc
Download: download sample
Signature Mirai
Create hunting rule
File size:40'728 bytes
First seen:2025-09-15 21:06:59 UTC
Last seen:2025-09-16 17:45:23 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:zv18VpN+BboOuYi4jn/PQHM48pQ0PO3ItUdhs+04uVcqgw0IG:D1ZBlRj3QHr8pQ93IWhQ4u+qgw0IG
TLSH T1BF03011BEE011EA5CDE7FE3049A54F403FE40F5D230F1D5271C8A311DAAB2D62649D69
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 :
88
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-9936831-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Kills processes
Sets a written file as executable
DNS request
Runs as daemon
Sends data to a server
Connection attempt
Launching a process
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed threat upx
Link:
https://www.filescan.io/uploads/68c88096dbc6f5a29c465d55/reports/e68dd347-406f-4220-ae35-4ae2fba71170/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-09-15T14:05:00Z UTC
Last seen:
2025-09-15T14:05:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/3a400c469c79b7ff007f6155ce7291c19ac78a6af07d9b94d703130ccba81acd/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d19b64aa-db85-4604-be87-aaca8b63f498
Behavior Graph:
Download SVG
%3 guuid=09d5c86b-1a00-0000-af58-2ad5310b0000 pid=2865 /usr/bin/sudo guuid=9c67286e-1a00-0000-af58-2ad5390b0000 pid=2873 /tmp/sample.bin guuid=09d5c86b-1a00-0000-af58-2ad5310b0000 pid=2865->guuid=9c67286e-1a00-0000-af58-2ad5390b0000 pid=2873 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a7224609-099e-4c50-b0aa-703003f47903
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1778092
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Drops files in suspicious directories
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1778092 Sample: nwfaiehg4ewijfgriehgirehaug... Startdate: 15/09/2025 Architecture: LINUX Score: 80 31 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->31 33 Antivirus / Scanner detection for submitted sample 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 Sample is packed with UPX 2->37 10 nwfaiehg4ewijfgriehgirehaughrarg.ppc.elf 2->10         started        signatures3 process4 process5 12 nwfaiehg4ewijfgriehgirehaughrarg.ppc.elf 10->12         started        process6 14 nwfaiehg4ewijfgriehgirehaughrarg.ppc.elf 12->14         started        file7 29 /etc/init.d/sysd, POSIX 14->29 dropped 43 Sample tries to set files in /etc globally writable 14->43 45 Drops files in suspicious directories 14->45 47 Sample tries to persist itself using System V runlevels 14->47 18 nwfaiehg4ewijfgriehgirehaughrarg.ppc.elf 14->18         started        20 nwfaiehg4ewijfgriehgirehaughrarg.ppc.elf sh 14->20         started        signatures8 process9 process10 22 nwfaiehg4ewijfgriehgirehaughrarg.ppc.elf 18->22         started        25 nwfaiehg4ewijfgriehgirehaughrarg.ppc.elf 18->25         started        27 sh cp 20->27         started        signatures11 39 Manipulation of devices in /dev 22->39 41 Deletes system log files 22->41
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3a400c469c79b7ff007f6155ce7291c19ac78a6af07d9b94d703130ccba81acd
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3a400c469c79b7ff007f6155ce7291c19ac78a6af07d9b94d703130ccba81acd/
Verdict:
Malicious
Threat:
Backdoor.Linux.Gafgyt
Link:
https://tip.neiki.dev/file/3a400c469c79b7ff007f6155ce7291c19ac78a6af07d9b94d703130ccba81acd
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-15 16:48:03 UTC
File Type:
ELF32 Big (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hjaayru4pg376ad7mfk444urygnmpctk6b6zxfgxamjqzs5idlgq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
linux upx
Link:
https://tria.ge/reports/250915-zznlmsvmy2/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9936831-0
YARA:
n/a
Link:
https://app.threat.zone/submission/0bba64c4-2d64-4eae-a55e-dd5a960447b6
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/3a400c469c79b7ff007f6155ce7291c19ac78a6af07d9b94d703130ccba81acd

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: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 3a400c469c79b7ff007f6155ce7291c19ac78a6af07d9b94d703130ccba81acd

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3624742/
  
Delivery method
Distributed via web download

Comments