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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fdef885dbd4fe4d9a38821c0eac2d3ea77702ab890debb47c9957908d9398e81. 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 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fdef885dbd4fe4d9a38821c0eac2d3ea77702ab890debb47c9957908d9398e81
SHA3-384 hash: c4e010fb71ec7c211960fc0acc4a58d59e5780f9c3418dbf3217c952a5b17bdc4f65db74cf0d7c8b59c1e8bd93ad7368
SHA1 hash: 667199bfe223fa94af699662bb8d426ea7c12ab6
MD5 hash: 5cd6b827eb268d135153bfc6d11a56fe
humanhash: arizona-tennessee-coffee-seven
File name:i686
Download: download sample
Signature Mirai
Create hunting rule
File size:47'440 bytes
First seen:2026-07-08 01:06:24 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:j5vBkpOrWJyMG2oZpi27BvPIRAz0/EYrQq7og0M6mFm8d8BWY5q6nMspYmLCs:jkUrnMGBZpi0tIRAw/Elhg0JkdeWY5s4
TLSH T1AA23F880F40B86F6D41B487050A7FA3FDF31E4EA51B0D5AEEF999F35DE675029102A88
telfhash t1ee11e6b71e7644f8b3e5a900c36a26e61875da2715a126f904732cd823e2dc2d0f9c3f
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 3be63fb0d1ddaef2a579aa419ce6762d50817620bcf0484e083b1c1952d9964e
File size (compressed) :21'580 bytes
File size (de-compressed) :47'440 bytes
Format:linux/i386
Packed file: 3be63fb0d1ddaef2a579aa419ce6762d50817620bcf0484e083b1c1952d9964e

Intelligence

File Origin
# of uploads :
1
# of downloads :
69
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/ed6bd78e-e8e1-4d8a-9391-79995c861c88/
Detection(s):
Sanesecurity.Malware.28880.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Mirai-10017298-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Sends data to a server
Connection attempt
Opens a port
DNS request
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bashlite exploit mirai
Link:
https://www.filescan.io/uploads/6a4da394877fed1defb82cd5/reports/547c4f3a-944a-473e-a192-74f29f4160c5/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/fdef885dbd4fe4d9a38821c0eac2d3ea77702ab890debb47c9957908d9398e81
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-07T22:20:00Z UTC
Last seen:
2026-07-07T23:06:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/fdef885dbd4fe4d9a38821c0eac2d3ea77702ab890debb47c9957908d9398e81/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/5fe5e2f5-e849-497c-bbd8-d17850ba3442
Behavior Graph:
Download SVG
%3 guuid=73f184ea-1a00-0000-4586-df35bc0a0000 pid=2748 /usr/bin/sudo guuid=8a5549ee-1a00-0000-4586-df35c10a0000 pid=2753 /tmp/sample.bin net guuid=73f184ea-1a00-0000-4586-df35bc0a0000 pid=2748->guuid=8a5549ee-1a00-0000-4586-df35c10a0000 pid=2753 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=8a5549ee-1a00-0000-4586-df35c10a0000 pid=2753->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=50348cee-1a00-0000-4586-df35c20a0000 pid=2754 /tmp/sample.bin dns net send-data zombie guuid=8a5549ee-1a00-0000-4586-df35c10a0000 pid=2753->guuid=50348cee-1a00-0000-4586-df35c20a0000 pid=2754 clone guuid=50348cee-1a00-0000-4586-df35c20a0000 pid=2754->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 900B 80668549-c89f-5883-8f50-79c9db044b08 217.32.184.17:23 guuid=50348cee-1a00-0000-4586-df35c20a0000 pid=2754->80668549-c89f-5883-8f50-79c9db044b08 send: 2B guuid=9173a4ee-1a00-0000-4586-df35c40a0000 pid=2756 /tmp/sample.bin guuid=50348cee-1a00-0000-4586-df35c20a0000 pid=2754->guuid=9173a4ee-1a00-0000-4586-df35c40a0000 pid=2756 clone
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1938975
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/fdef885dbd4fe4d9a38821c0eac2d3ea77702ab890debb47c9957908d9398e81
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fdef885dbd4fe4d9a38821c0eac2d3ea77702ab890debb47c9957908d9398e81/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/fdef885dbd4fe4d9a38821c0eac2d3ea77702ab890debb47c9957908d9398e81
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-08 01:07:53 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7xxyqxn5j7snti4iehaovqwt5j3xakvysdplwr6jsv4qrwjzr2aq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet linux
Link:
https://tria.ge/reports/260708-bgj9hagz7y/
Behaviour
Changes its process name
Malware Config
C2 Extraction:
45.90.163.37
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/fdef885dbd4fe4d9a38821c0eac2d3ea77702ab890debb47c9957908d9398e81

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:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0cb1699c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_c8385b81
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
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: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

elf 3be63fb0d1ddaef2a579aa419ce6762d50817620bcf0484e083b1c1952d9964e

Mirai

elf fdef885dbd4fe4d9a38821c0eac2d3ea77702ab890debb47c9957908d9398e81

(this sample)

  
Dropped by
SHA256 3be63fb0d1ddaef2a579aa419ce6762d50817620bcf0484e083b1c1952d9964e
  
Dropped by
MD5 0aa5a8445b91cc28b4fa1fbb223860ad
  
URLhaus
https://urlhaus.abuse.ch/url/3883630/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3881679/

Comments