MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0b81de512aa6eab2e5a45c3f8577cc5d3924232a3bcbdeb77eb27e7e4e21fd25. 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 2 File information Comments

SHA256 hash: 0b81de512aa6eab2e5a45c3f8577cc5d3924232a3bcbdeb77eb27e7e4e21fd25
SHA3-384 hash: b7409e0b99eee87b59f93c74fb2f175e57f8d69f4ac2969c1fff46865a256760da67956ee0dba827463717b824cefaf7
SHA1 hash: 5c422d6d8e05be5d7919e695234ad0981a3a82ec
MD5 hash: 33039c10a122e059cd47ecddf97c2688
humanhash: speaker-failed-mississippi-lithium
File name:armv6l
Download: download sample
Signature Mirai
File size:95'456 bytes
First seen:2025-01-23 00:55:49 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:ApnPrTZNBLvf0cFszqUy+Qk92aUrqCm+Jv/6+9GRfZ7rfnbqMsiArkMVPwkZp:8VNVvVulyN+dGFJv/L9SxArkMVP5Z
TLSH T174933A46BD818A25D5D1227AFA1E028E331B17E8E3EF7217CD101B2577CB92B0E7B516
telfhash t196c08c02c65626c82b230b2a82d41213eecd3048a92902ad6accafa31242c533016140
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 :
130
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Receives data from a server
Kills processes
Sends data to a server
Opens a port
Runs as daemon
Substitutes an application name
Deleting of the original file
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
15
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
9000,70,79,80,85,8080,34568,9999,3128,8081,8010,5000,88,34567,8090,9001,6700,8000,67,8001,8888,50100,82,81,23,83,90,84,2051,8181
Behaviour
Anti-VM
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
type: 172.217.192.127:3478
Result
Verdict:
UNKNOWN
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw.evad
Score:
68 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Opens /sys/class/net/* files useful for querying network interface information
Performs DNS TXT record lookups
Sample deletes itself
Uses known network protocols on non-standard ports
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1597210 Sample: armv6l.elf Startdate: 23/01/2025 Architecture: LINUX Score: 68 18 pool2.rentcheapcars.sbs 2->18 20 iranistrash.libre 2->20 22 100 other IPs or domains 2->22 24 Multi AV Scanner detection for submitted file 2->24 26 Connects to many ports of the same IP (likely port scanning) 2->26 28 Uses known network protocols on non-standard ports 2->28 8 armv6l.elf 2->8         started        signatures3 30 Performs DNS TXT record lookups 20->30 process4 signatures5 32 Sample deletes itself 8->32 11 armv6l.elf 8->11         started        process6 signatures7 34 Opens /sys/class/net/* files useful for querying network interface information 11->34 14 armv6l.elf 11->14         started        16 armv6l.elf 11->16         started        process8
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-01-23 00:56:05 UTC
File Type:
ELF32 Little (Exe)
AV detection:
6 of 38 (15.79%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion discovery
Behaviour
Enumerates kernel/hardware configuration
Changes its process name
Reads system network configuration
Reads MAC address of network interface
Reads network interface configuration
Deletes itself
Unexpected DNS network traffic destination
Contacts a large (1011744) amount of remote hosts
Creates a large amount of network flows
Verdict:
Suspicious
Tags:
n/a
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_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 0b81de512aa6eab2e5a45c3f8577cc5d3924232a3bcbdeb77eb27e7e4e21fd25

(this sample)

  
Delivery method
Distributed via web download

Comments