MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d99cfe550c1e0731cc26677db68de552a55b90b8696dbc21a8d01ee5960f710d. 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: d99cfe550c1e0731cc26677db68de552a55b90b8696dbc21a8d01ee5960f710d
SHA3-384 hash: 251c1b127da08ed1bfa1268cc52299abdb3583edb03c4b7db0bc1f2b94d569d941223fefd0b93fab6440a7d322cb3ce4
SHA1 hash: d2cb2671563dbc04f0ed68135927592921c353d3
MD5 hash: fb032ea13698949165948aab8ac657d6
humanhash: skylark-london-freddie-iowa
File name:nerv.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:91'860 bytes
First seen:2026-06-29 22:04:34 UTC
Last seen:2026-07-06 13:54:27 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:Lh+jn2+ifI/EIzRBIepUGzX+VCW+XpElUx02V78OKTiI3nPKxCdg71G+dkChCq:9+jn2tA/EIzPIepUG6VCPulo7JAiI3P2
TLSH T1D4936BC1E653E8F5ED1705751137E33B4B37F139102DDA97DBA8AA32BCA2600D5262AC
telfhash t196410cfa197f0cd897d4a802d20e2f31798eab3b656073e206f3b5753067501517ac39
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 gafgyt mirai

Intelligence

File Origin
# of uploads :
6
# of downloads :
92
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Mirai-42.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9857931-0
Create hunting rule

Unix.Trojan.Mirai-9866113-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Sends data to a server
Receives data from a server
Connection attempt
Creating a file
Collects information on the CPU
Opens a port
DNS request
Traces processes
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/6a42ec4a05b19458bf3b47f7/reports/2d99f378-eb70-4628-8427-cae0e8f6db80/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-06-29T19:24:00Z UTC
Last seen:
2026-07-01T13:13:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/d99cfe550c1e0731cc26677db68de552a55b90b8696dbc21a8d01ee5960f710d/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dcaf9c12-4af9-42f8-a064-20a7a23046bd
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/d99cfe550c1e0731cc26677db68de552a55b90b8696dbc21a8d01ee5960f710d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d99cfe550c1e0731cc26677db68de552a55b90b8696dbc21a8d01ee5960f710d/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-06-29 17:38:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3gop4vimdydtdtbgm563ndpfkksvxefynfw3yini2apolfqpoegq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai antivm botnet discovery linux
Link:
https://tria.ge/reports/260629-1z1rmshv4k/
Behaviour
Reads runtime system information
Changes its process name
Checks CPU configuration
Traces itself
Malware Config
C2 Extraction:
89.190.156.145
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/d99cfe550c1e0731cc26677db68de552a55b90b8696dbc21a8d01ee5960f710d

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:dsc
Create hunting rule
Author:Aaron DeVera
Description:Discord domains
Rule name:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
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 d99cfe550c1e0731cc26677db68de552a55b90b8696dbc21a8d01ee5960f710d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3878201/
  
Delivery method
Distributed via web download

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