MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 05fc923f9d831515ae156068652a18d94b33b92e995bde3c8bc3e55a984e0e05. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 05fc923f9d831515ae156068652a18d94b33b92e995bde3c8bc3e55a984e0e05
SHA3-384 hash: bb1a8368bcfd1ec1e1587b2e23432e99b3541aa6ba276ae4fceab807d9d2c0c4afb000611a17927c9a077364ed451a87
SHA1 hash: 5f2e6984ab076668d4c520b26c96cfe9219b859e
MD5 hash: e435ad20de5610a020606e6d9b61cee5
humanhash: florida-eleven-south-colorado
File name:nullnet_load.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:83'028 bytes
First seen:2026-02-04 07:26:32 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:sZCGuzEFBkqLPPdE5B3jBjNzVK9B523+JO0W0B8t46/keN7YJlQUe:ACGzBkR3djgROV084okK7YJG
TLSH T17D831882BC40E626C7C01677FE6F108E331567DDE1EA72429C255BA07ACE91F0D6B786
telfhash t19841db2bcfb10f8c27da464442dd60272aed31ed2b161456af694f4b09063d1b82e63b
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 :
35
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/d0f72b2d-2cf3-4c18-9318-211bb34e82aa/
Detection(s):
Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7135937-0
Create hunting rule

Unix.Dropper.Mirai-7136014-0
Create hunting rule

Unix.Dropper.Mirai-7355719-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Unix.Trojan.Mirai-1
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
exploit gafgyt masquerade mirai obfuscated rust
Link:
https://www.filescan.io/uploads/6982f4d0930564ff3c88dbb3/reports/93eac8c4-059d-4209-8713-77219f119b79/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
91.92.241.116/bins
Number of open files:
22
Number of processes launched:
6
Processes remaning?
true
Remote TCP ports scanned:
2323,23,37215
Full report:
https://elfdigest.com/brief/05fc923f9d831515ae156068652a18d94b33b92e995bde3c8bc3e55a984e0e05
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d6f281f3-6037-463a-bc46-b8dea9e104c1
Behavior Graph:
Download SVG
%3 guuid=42fe9fb3-1700-0000-789c-2308670f0000 pid=3943 /usr/bin/sudo guuid=0e7a0bb6-1700-0000-789c-2308710f0000 pid=3953 /tmp/sample.bin guuid=42fe9fb3-1700-0000-789c-2308670f0000 pid=3943->guuid=0e7a0bb6-1700-0000-789c-2308710f0000 pid=3953 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/333da580-c171-49dc-ba5f-9934f84a6ad5
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1863043
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1863043 Sample: nullnet_load.arm.elf Startdate: 04/02/2026 Architecture: LINUX Score: 80 28 156.156.109.198, 37215 airtel-tz-asTZ Tanzania United Republic of 2->28 30 156.156.2.91 airtel-tz-asTZ Tanzania United Republic of 2->30 32 99 other IPs or domains 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus / Scanner detection for submitted sample 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 Yara detected Mirai 2->40 8 nullnet_load.arm.elf 2->8         started        10 dash rm 2->10         started        12 dash head 2->12         started        14 8 other processes 2->14 signatures3 process4 process5 16 nullnet_load.arm.elf 8->16         started        18 nullnet_load.arm.elf 8->18         started        process6 20 nullnet_load.arm.elf 16->20         started        22 nullnet_load.arm.elf 16->22         started        24 nullnet_load.arm.elf 16->24         started        26 nullnet_load.arm.elf 16->26         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/05fc923f9d831515ae156068652a18d94b33b92e995bde3c8bc3e55a984e0e05
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/05fc923f9d831515ae156068652a18d94b33b92e995bde3c8bc3e55a984e0e05/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-02-04 07:27:28 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ax6jep45qmkrllqvmbugkkqy3ffthojotfn54pelypsvvgcobycq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:ecchi upx
Link:
https://tria.ge/reports/260204-h97c3aht2g/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/05fc923f9d831515ae156068652a18d94b33b92e995bde3c8bc3e55a984e0e05

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
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_1_RID2F39
Create hunting rule
Author:Florian Roth
Description:Detects ELF Mirai variant
Reference:Internal Research
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

sh ce7b00159203a5815e590552edb7dee65d2d7b26359c757ff2528deb4eec1bca

Mirai

elf 05fc923f9d831515ae156068652a18d94b33b92e995bde3c8bc3e55a984e0e05

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3771978/
  
Delivery method
Distributed via web download
  
Dropped by
SHA256 ce7b00159203a5815e590552edb7dee65d2d7b26359c757ff2528deb4eec1bca
  
Dropped by
MD5 ec9410048131c55c8ec245709b5c7b73
  
URLhaus
https://urlhaus.abuse.ch/url/3772054/

Comments