MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d981bafd4d3adc4ddfdb03e4817cb77a9e7760a1923a3c51fac5f57ee396b0a7. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d981bafd4d3adc4ddfdb03e4817cb77a9e7760a1923a3c51fac5f57ee396b0a7
SHA3-384 hash: 8252c71bfeda72889f8a84668f12c8406b194219bb77711235fbf54ebc88a216aff4d866b126d0873e448064be799dae
SHA1 hash: fb0535839ad0b057101a982b881916ba8a468d33
MD5 hash: c16ed31f4ea91307a46e00551a9b9c14
humanhash: wolfram-stairway-victor-summer
File name:nwfaiehg4ewijfgriehgirehaughrarg.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:41'800 bytes
First seen:2025-09-15 21:06:58 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:Yeq+Dr6ssZaRwvsmCi8uLmSXkvL9OMK/BQAvy3+nScnbcuyD7UHQRjv:bqGGS5diwvL9T4PvZntnouy8Hyb
TLSH T14513E11AD0DE0580F9AE1535DAEEB5092C40FF451E409969EACCF048FD1EF4A7B2CBA5
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 :
1
# of downloads :
48
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Sets a written file as executable
Receives data from a server
Launching a process
Connection attempt
DNS request
Kills processes
Runs as daemon
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links 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/68c88095dbc6f5a29c465d52/reports/88be8127-d5fb-49bd-bba8-5d43d7283c8c/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/d981bafd4d3adc4ddfdb03e4817cb77a9e7760a1923a3c51fac5f57ee396b0a7
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-15T15:00:00Z UTC
Last seen:
2025-09-15T15:00:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/d981bafd4d3adc4ddfdb03e4817cb77a9e7760a1923a3c51fac5f57ee396b0a7/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ef9163db-8c82-43eb-90a9-51416ce56307
Behavior Graph:
Download SVG
%3 guuid=e26c3c8b-1900-0000-397c-21e43e090000 pid=2366 /usr/bin/sudo guuid=5f46868d-1900-0000-397c-21e445090000 pid=2373 /tmp/sample.bin net guuid=e26c3c8b-1900-0000-397c-21e43e090000 pid=2366->guuid=5f46868d-1900-0000-397c-21e445090000 pid=2373 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=5f46868d-1900-0000-397c-21e445090000 pid=2373->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=47cf1f8e-1900-0000-397c-21e447090000 pid=2375 /tmp/sample.bin guuid=5f46868d-1900-0000-397c-21e445090000 pid=2373->guuid=47cf1f8e-1900-0000-397c-21e447090000 pid=2375 clone guuid=ba312a8e-1900-0000-397c-21e448090000 pid=2376 /tmp/sample.bin write-config zombie guuid=47cf1f8e-1900-0000-397c-21e447090000 pid=2375->guuid=ba312a8e-1900-0000-397c-21e448090000 pid=2376 clone guuid=704a2592-1900-0000-397c-21e449090000 pid=2377 /usr/bin/dash guuid=ba312a8e-1900-0000-397c-21e448090000 pid=2376->guuid=704a2592-1900-0000-397c-21e449090000 pid=2377 execve guuid=9f74ca94-1900-0000-397c-21e44b090000 pid=2379 /tmp/sample.bin net send-data zombie guuid=ba312a8e-1900-0000-397c-21e448090000 pid=2376->guuid=9f74ca94-1900-0000-397c-21e44b090000 pid=2379 clone guuid=8d016e92-1900-0000-397c-21e44a090000 pid=2378 /usr/bin/cp guuid=704a2592-1900-0000-397c-21e449090000 pid=2377->guuid=8d016e92-1900-0000-397c-21e44a090000 pid=2378 execve guuid=9f74ca94-1900-0000-397c-21e44b090000 pid=2379->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 2860B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=9f74ca94-1900-0000-397c-21e44b090000 pid=2379->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 2B guuid=5ddad494-1900-0000-397c-21e44c090000 pid=2380 /tmp/sample.bin guuid=9f74ca94-1900-0000-397c-21e44b090000 pid=2379->guuid=5ddad494-1900-0000-397c-21e44c090000 pid=2380 clone guuid=341cd994-1900-0000-397c-21e44d090000 pid=2381 /tmp/sample.bin guuid=9f74ca94-1900-0000-397c-21e44b090000 pid=2379->guuid=341cd994-1900-0000-397c-21e44d090000 pid=2381 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b72874a1-b428-4277-993f-fb5ca6aa7028
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1778093
Signature
Drops files in suspicious directories
Malicious sample detected (through community Yara rule)
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: 1778093 Sample: nwfaiehg4ewijfgriehgirehaug... Startdate: 15/09/2025 Architecture: LINUX Score: 72 30 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Sample is packed with UPX 2->36 10 nwfaiehg4ewijfgriehgirehaughrarg.i686.elf 2->10         started        signatures3 process4 process5 12 nwfaiehg4ewijfgriehgirehaughrarg.i686.elf 10->12         started        process6 14 nwfaiehg4ewijfgriehgirehaughrarg.i686.elf 12->14         started        file7 28 /etc/init.d/sysd, POSIX 14->28 dropped 38 Sample tries to set files in /etc globally writable 14->38 40 Drops files in suspicious directories 14->40 42 Sample tries to persist itself using System V runlevels 14->42 18 nwfaiehg4ewijfgriehgirehaughrarg.i686.elf sh 14->18         started        20 nwfaiehg4ewijfgriehgirehaughrarg.i686.elf 14->20         started        signatures8 process9 process10 22 sh cp 18->22         started        24 nwfaiehg4ewijfgriehgirehaughrarg.i686.elf 20->24         started        26 nwfaiehg4ewijfgriehgirehaughrarg.i686.elf 20->26         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/d981bafd4d3adc4ddfdb03e4817cb77a9e7760a1923a3c51fac5f57ee396b0a7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d981bafd4d3adc4ddfdb03e4817cb77a9e7760a1923a3c51fac5f57ee396b0a7/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/d981bafd4d3adc4ddfdb03e4817cb77a9e7760a1923a3c51fac5f57ee396b0a7
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-15 21:06:36 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3ga3v7knhloe3x63apsic7fxpkphoyfbsi5dyup2yx2x5y4wwctq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet credential_access discovery linux persistence upx
Link:
https://tria.ge/reports/250915-zznlmsak6v/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Mirai
Mirai family
Malware Config
C2 Extraction:
cnc.naldlh.lol
ajczgt.ignorelist.com
naldlh.jumpingcrab.com
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/866e41c7-c566-483b-aae9-b348a05209b7
Please note that we are no longer able to provide a coverage score for Virus Total.

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 d981bafd4d3adc4ddfdb03e4817cb77a9e7760a1923a3c51fac5f57ee396b0a7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3624740/
  
Delivery method
Distributed via web download

Comments