MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40e83008c5442f1faff8e0a0b5b9dbdd1c745aacc90c838adae015e0cd0c031a. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 40e83008c5442f1faff8e0a0b5b9dbdd1c745aacc90c838adae015e0cd0c031a
SHA3-384 hash: f685204942aeb14890bf46e7f17b604c9b25689371b342e808a52c4196186792cd91edeca7312f9e86b2238861602747
SHA1 hash: dbf856214998f344f87281320a0571be558df0f0
MD5 hash: 6bfacd3e9da3b40ea8646299df6bbb3e
humanhash: carolina-butter-gee-blossom
File name:nz.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:47'016 bytes
First seen:2026-07-09 13:24:10 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:zwKTOSNoph0N8r3SBvmQjoWdodXE82GP2sZw+jn10LdvzcMteBq7hl+XhR1O0ehC:zwKTOGopeN8r3StmQjo+od0gPTwsqdve
TLSH T1EA23F17ABFAB276DD26FD1703EEAA20921D185EED5B2C0B3BB4490359053F301B1C159
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 UPX
File size (compressed) :47'016 bytes
File size (de-compressed) :108'148 bytes
Format:linux/i386
Unpacked file: 8a2a835d5f0a4c7e2d217d0d6f96da241d2399567ef36dc87822cc1640685dbc

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/6bffb140-a72b-4889-afbf-f5dd9b404ad9/
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Sends data to a server
Connection attempt
Opens a port
DNS request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
dropper masquerade mirai packed upx
Link:
https://www.filescan.io/uploads/6a4fa10f81e11c075d7ede36/reports/7c31dafb-338a-4e13-a47d-21ee6449c531/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-09T08:33:00Z UTC
Last seen:
2026-07-09T09:10:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.h
Link:
https://opentip.kaspersky.com/40e83008c5442f1faff8e0a0b5b9dbdd1c745aacc90c838adae015e0cd0c031a/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/4864b422-52f0-4ebe-b4ba-6242212d10b9
Behavior Graph:
Download SVG
%3 guuid=670c543e-1a00-0000-9eea-eae7560d0000 pid=3414 /usr/bin/sudo guuid=97f9f83f-1a00-0000-9eea-eae75e0d0000 pid=3422 /tmp/sample.bin net guuid=670c543e-1a00-0000-9eea-eae7560d0000 pid=3414->guuid=97f9f83f-1a00-0000-9eea-eae75e0d0000 pid=3422 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=97f9f83f-1a00-0000-9eea-eae75e0d0000 pid=3422->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=ee49a240-1a00-0000-9eea-eae7610d0000 pid=3425 /tmp/sample.bin guuid=97f9f83f-1a00-0000-9eea-eae75e0d0000 pid=3422->guuid=ee49a240-1a00-0000-9eea-eae7610d0000 pid=3425 clone guuid=5d82db6c-1b00-0000-9eea-eae71c100000 pid=4124 /tmp/sample.bin guuid=97f9f83f-1a00-0000-9eea-eae75e0d0000 pid=3422->guuid=5d82db6c-1b00-0000-9eea-eae71c100000 pid=4124 clone guuid=495ce16c-1b00-0000-9eea-eae71d100000 pid=4125 /tmp/sample.bin net send-data zombie guuid=97f9f83f-1a00-0000-9eea-eae75e0d0000 pid=3422->guuid=495ce16c-1b00-0000-9eea-eae71d100000 pid=4125 clone guuid=b89da740-1a00-0000-9eea-eae7620d0000 pid=3426 /tmp/sample.bin guuid=ee49a240-1a00-0000-9eea-eae7610d0000 pid=3425->guuid=b89da740-1a00-0000-9eea-eae7620d0000 pid=3426 clone guuid=3f41ae40-1a00-0000-9eea-eae7630d0000 pid=3427 /tmp/sample.bin dns net send-data zombie guuid=ee49a240-1a00-0000-9eea-eae7610d0000 pid=3425->guuid=3f41ae40-1a00-0000-9eea-eae7630d0000 pid=3427 clone guuid=3f41ae40-1a00-0000-9eea-eae7630d0000 pid=3427->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 276B 9eb298c6-8c2a-59dd-bee6-906b298ff0f3 oqwlkbwl3wt65gwskl.hopto.org:69 guuid=3f41ae40-1a00-0000-9eea-eae7630d0000 pid=3427->9eb298c6-8c2a-59dd-bee6-906b298ff0f3 send: 4B guuid=495ce16c-1b00-0000-9eea-eae71d100000 pid=4125->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1380B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=495ce16c-1b00-0000-9eea-eae71d100000 pid=4125->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a9e84d0d-0dfb-4761-90cc-4474337ad650
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/40e83008c5442f1faff8e0a0b5b9dbdd1c745aacc90c838adae015e0cd0c031a
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/40e83008c5442f1faff8e0a0b5b9dbdd1c745aacc90c838adae015e0cd0c031a/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/40e83008c5442f1faff8e0a0b5b9dbdd1c745aacc90c838adae015e0cd0c031a
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-09 13:24:43 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=idudacgfiqxr7l7y4cqlloo33uohiwvmzegihcw24ak6btimamna._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/260709-qnmersbt7r/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Family: Mirai
Malware Config
C2 Extraction:
oqwlkbwl3wt65gwskl.hopto.org
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/40e83008c5442f1faff8e0a0b5b9dbdd1c745aacc90c838adae015e0cd0c031a

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: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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 40e83008c5442f1faff8e0a0b5b9dbdd1c745aacc90c838adae015e0cd0c031a

(this sample)

Mirai

elf 8a2a835d5f0a4c7e2d217d0d6f96da241d2399567ef36dc87822cc1640685dbc

  
URLhaus
https://urlhaus.abuse.ch/url/3878048/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 8a2a835d5f0a4c7e2d217d0d6f96da241d2399567ef36dc87822cc1640685dbc
  
Dropping
MD5 bea24b50f6f3a8a5b0109289df27399f

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