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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4f036f8df3e7d9b03b6de90e87a3a726b8da2fd12d226ae3b2ab4bdc4ac60bd. 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 16 File information Comments
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SHA256 hash: b4f036f8df3e7d9b03b6de90e87a3a726b8da2fd12d226ae3b2ab4bdc4ac60bd
SHA3-384 hash: 02423f5085c452060da7f2471ba6cab1d699cb57e7f7d0400136f1538307eb25ca60086cefa75410b99673d7cf0f8023
SHA1 hash: 9f1bc9008bab343f876e7b7bc5fbf500844d6a81
MD5 hash: 8c8968066197448ff896641b8e83a447
humanhash: mississippi-carolina-washington-pasta
File name:ypezhbfg.armv6
Download: download sample
Signature Mirai
Create hunting rule
File size:944'986 bytes
First seen:2026-09-24 13:35:30 UTC
Last seen:2026-09-24 23:40:11 UTC
File type: elf
MIME type:application/x-executable
ssdeep 24576:wriocCwJWu3mU2XwucWBskbiZEM4Oj26k2hknuQ6JY:K1te6C4Oj26k2hkOJY
TLSH T16E154B55F890DF63C5C8677AF65E82A833234778C3D7720699158B383B97A2F0B3A641
telfhash t113a002171895c61d573b9f189cea074610831c33fc6d3d6a5e5cdf558525505075ccaf
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence

File Origin
# of uploads :
3
# of downloads :
65
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Agent-7158340-0
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Unix.Trojan.Mirai-10004218-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Connection attempt
Creating a file in the %temp% directory
Locks files
Collects information on the CPU
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 rust
Link:
https://www.filescan.io/uploads/6ab5274de66b5a824eb51d06/reports/130fc9ce-bdb4-4094-a840-c9d7fe7a2099/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/fc6c0b51-4900-44bb-83ae-544c0e0f89e7
Behavior Graph:
Download SVG
%3 guuid=4c68773c-1800-0000-bfaa-36a5860c0000 pid=3206 /usr/bin/sudo guuid=791f9f3f-1800-0000-bfaa-36a58e0c0000 pid=3214 /tmp/sample.bin guuid=4c68773c-1800-0000-bfaa-36a5860c0000 pid=3206->guuid=791f9f3f-1800-0000-bfaa-36a58e0c0000 pid=3214 execve
Malware family:
Mirai
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9eb9cf96-7acc-45a8-8138-e01d223c1629
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b4f036f8df3e7d9b03b6de90e87a3a726b8da2fd12d226ae3b2ab4bdc4ac60bd
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b4f036f8df3e7d9b03b6de90e87a3a726b8da2fd12d226ae3b2ab4bdc4ac60bd/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-09-24 13:36:25 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wtydn6g7hz6zwa5w32ioq6r2ojvy3ix5cljcnlr3fk2l3rfmmc6q._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
antivm defense_evasion discovery
Link:
https://tria.ge/reports/260924-qwed5avdmd/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
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 (525) 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/b4f036f8df3e7d9b03b6de90e87a3a726b8da2fd12d226ae3b2ab4bdc4ac60bd

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
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Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Mirai
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Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:enterpriseapps2
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Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:F01_s1ckrule
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Author:s1ckb017
Rule name:Hunt_DVR_Exploit_CommandInjection
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Author:Serhii Kocherhan
Description:Detects common shell command injection signatures and payloads associated with DVR/NVR exploitation
Rule name:iot_req_metachar
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Rule name:ldpreload
Create hunting rule
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:linux_generic_ipv6_catcher
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Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:linux_generic_irc_catcher
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Author:@_lubiedo
Description:Find new ELF IRC samples
Rule name:malwareelf55503
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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
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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 b4f036f8df3e7d9b03b6de90e87a3a726b8da2fd12d226ae3b2ab4bdc4ac60bd

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3920189/
  
Delivery method
Distributed via web download

Comments