MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8faa0f22efdd6406077dd9ae5b7b0946c2fa3986f3dfa6a82a1a6a1253e2285. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8faa0f22efdd6406077dd9ae5b7b0946c2fa3986f3dfa6a82a1a6a1253e2285
SHA3-384 hash: e26e4395c3ad96007ff2966e72c20d6f8e37c955e4e6ccdca8ecc46ce1abc421b20c6d4e1233d8d2df6565a1a71a6ccc
SHA1 hash: e4e2c5782f0da67f4d37490762ed892fcfa17c4b
MD5 hash: 98e000e2cffc2a70fec2e5eecb6b0ed3
humanhash: golf-chicken-robert-neptune
File name:debug
Download: download sample
Signature Mirai
Create hunting rule
File size:41'848 bytes
First seen:2026-07-21 05:29:53 UTC
Last seen:2026-07-22 07:57:52 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:jdW6L35xVZxUQOswaK+n03NU42rRVjKQ8MWCAQdGhtYKDP4MnbcuyD7UHQRjH5:ZzL3JZ6QVE3u429k5MWChtKDQMnouy8W
TLSH T1C913F12CC2E1A25DE5EF3073076E63432664052A652644AEECC46216F897FDFFA147CB
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) :41'848 bytes
File size (de-compressed) :87'316 bytes
Format:linux/i386
Unpacked file: 7d508780d6cd25bf3a38c85e3c1b08e1e375e229905f5c946f0a59f8ae4fa250

Intelligence

File Origin
# of uploads :
2
# of downloads :
76
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/3b70ae3d-1caf-4a04-a555-96af5f4e4d33/
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Receives data from a server
Sends data to a server
Connection attempt
DNS request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
botnet dropper mirai packed upx
Link:
https://www.filescan.io/uploads/6a5f041230871cd57e0ff990/reports/63fcbaee-81f8-4f05-85ac-87bb6d5161ee/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
46
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b8faa0f22efdd6406077dd9ae5b7b0946c2fa3986f3dfa6a82a1a6a1253e2285
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-21T02:46:00Z UTC
Last seen:
2026-07-21T03:45:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/b8faa0f22efdd6406077dd9ae5b7b0946c2fa3986f3dfa6a82a1a6a1253e2285/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/7206bf49-eac7-4c81-b3cd-a4d268a3918b
Behavior Graph:
Download SVG
%3 guuid=919a95c4-1a00-0000-57a5-bbf5c5090000 pid=2501 /usr/bin/sudo guuid=dac052c6-1a00-0000-57a5-bbf5cc090000 pid=2508 /tmp/sample.bin net send-data guuid=919a95c4-1a00-0000-57a5-bbf5c5090000 pid=2501->guuid=dac052c6-1a00-0000-57a5-bbf5cc090000 pid=2508 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=dac052c6-1a00-0000-57a5-bbf5cc090000 pid=2508->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1100B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=dac052c6-1a00-0000-57a5-bbf5cc090000 pid=2508->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 2B guuid=17579502-1b00-0000-57a5-bbf55e0a0000 pid=2654 /tmp/sample.bin dns net send-data guuid=dac052c6-1a00-0000-57a5-bbf5cc090000 pid=2508->guuid=17579502-1b00-0000-57a5-bbf55e0a0000 pid=2654 clone guuid=c037ce2f-1c00-0000-57a5-bbf5820c0000 pid=3202 /tmp/sample.bin guuid=dac052c6-1a00-0000-57a5-bbf5cc090000 pid=2508->guuid=c037ce2f-1c00-0000-57a5-bbf5820c0000 pid=3202 clone guuid=17579502-1b00-0000-57a5-bbf55e0a0000 pid=2654->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 44B 8bb7c330-3b53-56b1-93e8-47d18e406645 jkqhdbbbqwiujkaz.hopto.org:69 guuid=17579502-1b00-0000-57a5-bbf55e0a0000 pid=2654->8bb7c330-3b53-56b1-93e8-47d18e406645 send: 10B guuid=51d35a03-1b00-0000-57a5-bbf5600a0000 pid=2656 /tmp/sample.bin guuid=17579502-1b00-0000-57a5-bbf55e0a0000 pid=2654->guuid=51d35a03-1b00-0000-57a5-bbf5600a0000 pid=2656 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d7ec37e0-a84c-4cf4-b920-81d9fb1fde08
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b8faa0f22efdd6406077dd9ae5b7b0946c2fa3986f3dfa6a82a1a6a1253e2285
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b8faa0f22efdd6406077dd9ae5b7b0946c2fa3986f3dfa6a82a1a6a1253e2285/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-21 05:31:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xd5kb4ro7xleaydx3wnoln5qsrwc7i4yn467u2ucugtkcjj6ekcq._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/260721-f7pn5ag18w/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Family: Mirai
Malware Config
C2 Extraction:
jkqhdbbbqwiujkaz.hopto.org
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.26
Link:
https://yomi.yoroi.company/submissions/b8faa0f22efdd6406077dd9ae5b7b0946c2fa3986f3dfa6a82a1a6a1253e2285

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: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 b8faa0f22efdd6406077dd9ae5b7b0946c2fa3986f3dfa6a82a1a6a1253e2285

(this sample)

Mirai

elf 7d508780d6cd25bf3a38c85e3c1b08e1e375e229905f5c946f0a59f8ae4fa250

  
URLhaus
https://urlhaus.abuse.ch/url/3887324/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 7d508780d6cd25bf3a38c85e3c1b08e1e375e229905f5c946f0a59f8ae4fa250
  
Dropping
MD5 d3fd5fe759370f5840559d477919d5c2
  
URLhaus
https://urlhaus.abuse.ch/url/3878186/

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