MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99229a86edfbca412a9e9cc20ec1c76dff595b7cbccd7719848ecdae36f142fa. 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

SHA256 hash: 99229a86edfbca412a9e9cc20ec1c76dff595b7cbccd7719848ecdae36f142fa
SHA3-384 hash: 7bd0837c5651d67cbdef51d32ab4bfc1b3bb7c58979228a583254173dc8e7ab40445ba20816f7a3df684d71b678dcbb3
SHA1 hash: 96636362ee6a853e9a8811186c814c0c0940882d
MD5 hash: 6d18f5bace1b37d7dfbebb28ac3cd071
humanhash: edward-mobile-north-black
File name:renji.i686
Download: download sample
Signature Mirai
File size:40'480 bytes
First seen:2025-09-17 03:10:56 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:tA6P7mm1D5cJpc0QFE5W8iZGRwXPj8oqA7CH1hUIRxikYc8zEvkK5JXsohnbcuyN:VP7J15c0jFE5W6gPe8IRsuv2ohnouy8c
TLSH T1A603F23DA2A917E8959D137F5DE7234C2140B254F6A464AF0BCC58389A82F712F782CA
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

Intelligence


File Origin
# of uploads :
1
# of downloads :
56
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Receives data from a server
Removes directories
Deleting a recently created file
Connection attempt
DNS request
Runs as daemon
Substitutes an application name
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
4
Number of processes launched:
6
Processes remaning?
true
Remote TCP ports scanned:
not identified
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:
2025-09-17T01:23:00Z UTC
Last seen:
2025-09-17T01:23:00Z UTC
Hits:
~10
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
68 / 100
Signature
Deletes system log files
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1778968 Sample: renji.i686.elf Startdate: 17/09/2025 Architecture: LINUX Score: 68 25 wrxcnc.com 196.251.84.55, 47656, 529 SONIC-WirelessZA Seychelles 2->25 27 109.202.202.202, 80 INIT7CH Switzerland 2->27 29 3 other IPs or domains 2->29 31 Malicious sample detected (through community Yara rule) 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 Sample is packed with UPX 2->35 10 dash rm renji.i686.elf 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 renji.i686.elf 10->14         started        process6 16 renji.i686.elf 14->16         started        process7 18 renji.i686.elf 16->18         started        process8 20 renji.i686.elf 18->20         started        23 renji.i686.elf 18->23         started        signatures9 37 Manipulation of devices in /dev 20->37 39 Deletes system log files 20->39
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-09-17 03:11:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Behaviour
Reads runtime system information
Changes its process name
Deletes log files
Enumerates running processes
Deletes Audit logs
Deletes journal logs
Deletes system logs
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Please note that we are no longer able to provide a coverage score for Virus Total.

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_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
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 99229a86edfbca412a9e9cc20ec1c76dff595b7cbccd7719848ecdae36f142fa

(this sample)

  
Delivery method
Distributed via web download

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