MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83453d9061f7c9b70f234c9f9eae794a12dc70fa8355ee898e7e4a85f2a82d78. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: 83453d9061f7c9b70f234c9f9eae794a12dc70fa8355ee898e7e4a85f2a82d78
SHA3-384 hash: 042f0fc266a873f3e78863cc7e6d679e08295a28bc0801eac155106b6dc0c7bba4a0e27f19399f0cd016637dbb1df2dc
SHA1 hash: 6dcb0b444b25c31293a477838015cc5c3f91718c
MD5 hash: ffb48bc2b2bc910a9d914f20c199490c
humanhash: march-yankee-william-december
File name:b4
Download: download sample
Signature Mirai
File size:134'196 bytes
First seen:2025-02-20 05:16:15 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:gJnu/chttDz8F+iVepXzfYasWv7MO4VjzSfXt7NCgYiLJSkvYlUj3e7BQUHM/iiH:JUN4koM7MO4VjWokvtKgjuPU9G035
TLSH T144D3E549E9646B2CC3F166FFFA1812CE733B0BA9B3DA3026DE32061537C9B295535164
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
94
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Kills processes
Sends data to a server
Creating a file
Collects information on the network activity
Receives data from a server
Substitutes an application name
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
20
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre
Score:
52 / 100
Signature
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1619686 Sample: b4.elf Startdate: 20/02/2025 Architecture: LINUX Score: 52 26 109.202.202.202, 80 INIT7CH Switzerland 2->26 28 1.1.1.1, 53, 60887 CLOUDFLARENETUS Australia 2->28 30 3 other IPs or domains 2->30 32 Multi AV Scanner detection for submitted file 2->32 9 b4.elf 2->9         started        12 xfce4-panel wrapper-2.0 2->12         started        14 xfce4-panel wrapper-2.0 2->14         started        16 4 other processes 2->16 signatures3 process4 signatures5 34 Sample tries to kill multiple processes (SIGKILL) 9->34 18 b4.elf 9->18         started        process6 process7 20 b4.elf 18->20         started        process8 22 b4.elf 20->22         started        24 b4.elf 20->24         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-02-20 05:17:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
11 of 38 (28.95%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9441505-0
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d2dca9e7
Author:Elastic Security
Rule name:unixredflags3
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 83453d9061f7c9b70f234c9f9eae794a12dc70fa8355ee898e7e4a85f2a82d78

(this sample)

  
Delivery method
Distributed via web download

Comments