MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 931f40b6049f7c6ab029f7940e371266a6822bdb59668d11ff8adbef68304c95. 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 5 File information Comments

SHA256 hash: 931f40b6049f7c6ab029f7940e371266a6822bdb59668d11ff8adbef68304c95
SHA3-384 hash: d10db51ecc6ad4ef96090226f743e99693c7df610b32fbce1a86812587bc8f48ee55c9f115e91ff8cbd2acfcad19837c
SHA1 hash: 2f8a5914d7b7b1dccb8d6643ac2e793cae3a1adf
MD5 hash: b7dce75b7c165a9e660db47e0393ba9a
humanhash: winter-quiet-lemon-saturn
File name:nullnet_load.ppc
Download: download sample
Signature Mirai
File size:76'920 bytes
First seen:2025-08-04 22:02:26 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:Tvode4JgIgF+URIXRoOESX3R7SZheE2F529ji+R1S0umyBaUR/aYC6VIU2zGU5dk:kLk6znu2FdRXC6VIUm63rjdeWXqWl
TLSH T197733C0137588F07E9AA4EF8282F17D483BEEE9011F5F185690FAB5A4235F33545AF98
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
36
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Receives data from a server
Runs as daemon
Opens a port
Sends data to a server
Connection attempt
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
mirai obfuscated obfuscated
Status:
terminated
Behavior Graph:
%3 guuid=ed0fc02f-1700-0000-e4d1-93e7770b0000 pid=2935 /usr/bin/sudo guuid=3e7d2f33-1700-0000-e4d1-93e7820b0000 pid=2946 /tmp/sample.bin guuid=ed0fc02f-1700-0000-e4d1-93e7770b0000 pid=2935->guuid=3e7d2f33-1700-0000-e4d1-93e7820b0000 pid=2946 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
80 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1750153 Sample: nullnet_load.ppc.elf Startdate: 05/08/2025 Architecture: LINUX Score: 80 22 156.158.49.92 airtel-tz-asTZ Tanzania United Republic of 2->22 24 156.158.98.22 airtel-tz-asTZ Tanzania United Republic of 2->24 26 99 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 3 other signatures 2->34 8 nullnet_load.ppc.elf 2->8         started        signatures3 process4 process5 10 nullnet_load.ppc.elf 8->10         started        12 nullnet_load.ppc.elf 8->12         started        process6 14 nullnet_load.ppc.elf 10->14         started        16 nullnet_load.ppc.elf 10->16         started        18 nullnet_load.ppc.elf 10->18         started        20 nullnet_load.ppc.elf 10->20         started       
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-08-04 21:57:58 UTC
File Type:
ELF32 Big (Exe)
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:ecchi linux upx
Verdict:
Malicious
Tags:
botnet mirai Unix.Trojan.Mirai-7135937-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_1
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:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_1_RID2F39
Author:Florian Roth
Description:Detects ELF Mirai variant
Reference:Internal Research
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 931f40b6049f7c6ab029f7940e371266a6822bdb59668d11ff8adbef68304c95

(this sample)

  
Delivery method
Distributed via web download

Comments