MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4521b5372c64be9aa69f1ab539f7966239e4e194b7f48304f9a1def5bd18d011. 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 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4521b5372c64be9aa69f1ab539f7966239e4e194b7f48304f9a1def5bd18d011
SHA3-384 hash: a8e0e5381aed4f36d5fe1e86cc89101666395f52acf71ded8b41a1f34ee09b223837fbf7757d3ef3038fff499fb658c7
SHA1 hash: 204cc9266eff9757b586d45c340b7bd68ea0fdc3
MD5 hash: 255eb9f619666700048a69e9d7e7a80c
humanhash: mike-paris-juliet-blossom
File name:x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:160'968 bytes
First seen:2024-12-28 15:05:45 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:QwCQaIRyveOfuHLLKEhm/NRtecMw5inMbZ12mwAYKcZd4W:QwJaI8vYJhmVawYne1TyYW
TLSH T128F34B1AF0C084FEC899C1744B9BF537D972F41D5234B26F67D4AA661F8EE205B6DA00
telfhash t1165111712da639c8b2d3e372734ed669e832262109e171d5ef7369e1ce03b884c52453
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 :
111
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30460.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7540662-0
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=677013dc1bb06b888478f557linux22vpnfull_triage
Tags:
phishing
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Connection attempt
Locks files
Runs as daemon
Creating a file
DNS request
Kills processes
Opens a port
Sends data to a server
Substitutes an application name
Kills critical processes
Result
Verdict:
UNKNOWN
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/867cf581-f8dc-47d3-a235-6facf3017508
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1581683
Signature
Connects to many ports of the same IP (likely port scanning)
Executes the "iptables" command to insert, remove and/or manipulate rules
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Reads system files that contain records of logged in users
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill a massive number of system processes
Sample tries to kill multiple processes (SIGKILL)
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1581683 Sample: x86_64.elf Startdate: 28/12/2024 Architecture: LINUX Score: 96 97 SECURE-NETWORK-REBIRTHLTD.RU 2->97 99 SECURE-NETWORK-REBIRTHLTD.RU 83.222.191.146, 2222, 35342, 52630 NET1-ASBG Bulgaria 2->99 101 6 other IPs or domains 2->101 107 Malicious sample detected (through community Yara rule) 2->107 109 Multi AV Scanner detection for submitted file 2->109 111 Yara detected Gafgyt 2->111 113 2 other signatures 2->113 11 dash rm x86_64.elf 2->11         started        13 systemd gdm3 2->13         started        15 systemd gpu-manager 2->15         started        17 28 other processes 2->17 signatures3 process4 file5 21 x86_64.elf 11->21         started        23 gdm3 gdm-session-worker 13->23         started        35 3 other processes 13->35 25 gpu-manager sh 15->25         started        27 gpu-manager sh 15->27         started        29 gpu-manager sh 15->29         started        37 5 other processes 15->37 95 /var/log/wtmp, data 17->95 dropped 103 Sample reads /proc/mounts (often used for finding a writable filesystem) 17->103 105 Reads system files that contain records of logged in users 17->105 31 accounts-daemon language-validate 17->31         started        33 generate-config pkill 17->33         started        signatures6 process7 process8 39 x86_64.elf 21->39         started        41 x86_64.elf 21->41         started        43 gdm-session-worker gdm-wayland-session 23->43         started        45 sh grep 25->45         started        47 sh grep 27->47         started        49 sh grep 29->49         started        51 language-validate language-options 31->51         started        53 sh grep 37->53         started        55 4 other processes 37->55 process9 57 x86_64.elf sh 39->57         started        59 x86_64.elf sh 39->59         started        61 x86_64.elf sh 39->61         started        72 2 other processes 39->72 63 x86_64.elf 41->63         started        66 gdm-wayland-session dbus-daemon 43->66         started        68 gdm-wayland-session dbus-run-session 43->68         started        70 language-options sh 51->70         started        signatures10 74 sh iptables 57->74         started        77 sh busybox 59->77         started        79 sh busybox 61->79         started        117 Sample tries to kill a massive number of system processes 63->117 119 Sample tries to kill multiple processes (SIGKILL) 63->119 121 Sample reads /proc/mounts (often used for finding a writable filesystem) 66->121 81 dbus-daemon 66->81         started        83 dbus-run-session dbus-daemon 68->83         started        85 sh locale 70->85         started        87 sh grep 70->87         started        89 sh 72->89         started        91 sh 72->91         started        process11 signatures12 115 Executes the "iptables" command to insert, remove and/or manipulate rules 74->115 93 dbus-daemon false 81->93         started        process13
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4521b5372c64be9aa69f1ab539f7966239e4e194b7f48304f9a1def5bd18d011
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4521b5372c64be9aa69f1ab539f7966239e4e194b7f48304f9a1def5bd18d011/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-12-28 15:06:05 UTC
File Type:
ELF64 Little (Exe)
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iuq3knzmms7jvju7dk2tt54wmi46jymuw72igbhzuhpplpiy2aiq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery linux
Link:
https://tria.ge/reports/241228-sgqjysynb1/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Unexpected DNS network traffic destination
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Dropper.Mirai-7540662-0
YARA:
Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_e0cf29e2
Link:
https://app.threat.zone/submission/c8fd182d-3e24-4dd7-b55c-5d35655a2141
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/4521b5372c64be9aa69f1ab539f7966239e4e194b7f48304f9a1def5bd18d011

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_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Create hunting rule
Author:Elastic Security
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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

elf 4521b5372c64be9aa69f1ab539f7966239e4e194b7f48304f9a1def5bd18d011

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3379340/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3379571/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments