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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4887f20e0638fc0916d288bd6bcea369fa257c8f029cfaae9b6c81b6a108fcbf. 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: 8


Intelligence 8 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4887f20e0638fc0916d288bd6bcea369fa257c8f029cfaae9b6c81b6a108fcbf
SHA3-384 hash: bf5a918d9ce3584a330d08147c07131227019a6b2513fe4c87ad3e1604dc7c03f68f1276d9a9400f6cb6cd07bfaa9a55
SHA1 hash: 755a993f5d52b25c010f7122d785fc8a0573d533
MD5 hash: e61a8317b73daec3b4f2243efd4c8344
humanhash: wisconsin-north-undress-colorado
File name:cwlfkwnt.mips64
Download: download sample
Signature Mirai
Create hunting rule
File size:1'086'968 bytes
First seen:2026-09-23 22:43:26 UTC
Last seen:2026-09-24 04:15:54 UTC
File type: elf
MIME type:application/x-executable
ssdeep 24576:Znxtnx4eHKnFKVW/rSgPUA1fZfrbYhqxwHnKWkt:FxFXO46P1KhqxwHgt
TLSH T185354B07EF402FEBC4AFCD30452EC31720EDE89B52C5A62D71FC4A8CBA596594AD7588
telfhash t113a002171895c61d573b9f189cea074610831c33fc6d3d6a5e5cdf558525505075ccaf
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
62
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Agent-7158340-0
Create hunting rule

Unix.Trojan.Mirai-10004218-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Locks files
Collects information on the CPU
Connection attempt
Performs a bruteforce attack in the network
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm base64 bash evasive gcc javac lolbin
Link:
https://www.filescan.io/uploads/6ab4564538384c6c5d01c954/reports/16dbc750-d306-4636-acef-4de156611cd5/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-09-23T20:22:00Z UTC
Last seen:
2026-09-23T20:55:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/4887f20e0638fc0916d288bd6bcea369fa257c8f029cfaae9b6c81b6a108fcbf/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/48a05224-f98b-4443-9fab-1569d0ee3c70
Behavior Graph:
Download SVG
%3 guuid=0a47128c-2200-0000-7fa4-d9aee90a0000 pid=2793 /usr/bin/sudo guuid=ab752890-2200-0000-7fa4-d9aeee0a0000 pid=2798 /tmp/sample.bin guuid=0a47128c-2200-0000-7fa4-d9aee90a0000 pid=2793->guuid=ab752890-2200-0000-7fa4-d9aeee0a0000 pid=2798 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b46da557-4343-48eb-80b5-26951fddbe62
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4887f20e0638fc0916d288bd6bcea369fa257c8f029cfaae9b6c81b6a108fcbf
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4887f20e0638fc0916d288bd6bcea369fa257c8f029cfaae9b6c81b6a108fcbf/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-09-23 22:44:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jcd7edqghd6asfwsrc6wxtvdnh5ck7epakopvlu3nsa3niii7s7q._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
antivm defense_evasion discovery
Link:
https://tria.ge/reports/260923-2nxraaws7l/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Checks CPU configuration
Reads CPU attributes
Checks hardware identifiers (DMI)
Enumerates running processes
Reads MAC address of network interface
File and Directory Permissions Modification
Contacts a large (511) amount of remote hosts
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/4887f20e0638fc0916d288bd6bcea369fa257c8f029cfaae9b6c81b6a108fcbf

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_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:Hunt_DVR_Exploit_CommandInjection
Create hunting rule
Author:Serhii Kocherhan
Description:Detects common shell command injection signatures and payloads associated with DVR/NVR exploitation
Rule name:iot_req_metachar
Create hunting rule
Rule name:ldpreload
Create hunting rule
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:malwareelf55503
Create hunting rule
Rule name:MIRAI_OHSHIT_payload
Create hunting rule
Author:AfterPacket
Description:MIRAI_OHSHIT ELF payload -- compiled-in C2 set, all architectures
Reference:https://github.com/Afterpacket/drosera-threat-intel
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:test_rule_vldslv
Create hunting rule
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
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 4887f20e0638fc0916d288bd6bcea369fa257c8f029cfaae9b6c81b6a108fcbf

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3920126/
  
Delivery method
Distributed via web download

Comments