MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 45bacbd238b4fbf008a6f7a014f0f526987dfc5bac84047cc0f4d374330932e9. 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: 12


Intelligence 12 IOCs YARA 16 File information Comments

SHA256 hash: 45bacbd238b4fbf008a6f7a014f0f526987dfc5bac84047cc0f4d374330932e9
SHA3-384 hash: 44b13e079d9ec1be262c0bd9215ebce89621595a036bf31825135a5aa6728fb9c0eede0f6d31fbd05804556e6a0f6b77
SHA1 hash: ca95cae89437ca66165a71d4dc95bb6c3193747b
MD5 hash: 283f0e6ec6202615a5c95a12fad44a33
humanhash: idaho-solar-batman-king
File name:iwir64
Download: download sample
Signature Mirai
File size:168'168 bytes
First seen:2024-11-18 11:55:47 UTC
Last seen:2024-11-19 01:30:22 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:aZxvMn9WovrQuUJRYR+nRcoVjHhXtDRe30fvZ2ix3qX8sPSOM+gX:aZhMn9WovrQuU7YRw9Ei8H7M+gX
TLSH T152F35B06B5C188FDC4DAC2744BAEB63B9D31F09D1238B29B27D4EA271E4DE205F1DA54
telfhash t10c51eb303e99395472dbc76ab31ee99af8b1154408e174f2de7b64e2cf127840da20a7
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 :
2
# of downloads :
97
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Kills processes
Sends data to a server
Receives data from a server
Creating a file
Runs as daemon
Opens a port
Substitutes an application name
Deleting of the original file
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
44
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
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 deletes itself
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)
Sends malformed DNS queries
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1557559 Sample: iwir64.elf Startdate: 18/11/2024 Architecture: LINUX Score: 100 86 ksdjwi.eye-network.ru. [malformed] 2->86 88 ksdjwi.eye-network.ru 154.216.16.109, 33966, 49660, 50824 SKHT-ASShenzhenKatherineHengTechnologyInformationCo Seychelles 2->88 90 6 other IPs or domains 2->90 96 Malicious sample detected (through community Yara rule) 2->96 98 Antivirus / Scanner detection for submitted sample 2->98 100 Multi AV Scanner detection for submitted file 2->100 104 2 other signatures 2->104 11 iwir64.elf 2->11         started        13 systemd gdm3 2->13         started        15 systemd gpu-manager 2->15         started        17 38 other processes 2->17 signatures3 102 Sends malformed DNS queries 86->102 process4 file5 21 iwir64.elf 11->21         started        24 gdm3 gdm-session-worker 13->24         started        34 3 other processes 13->34 26 gpu-manager sh 15->26         started        28 gpu-manager sh 15->28         started        30 gpu-manager sh 15->30         started        36 5 other processes 15->36 84 /var/log/wtmp, data 17->84 dropped 92 Sample reads /proc/mounts (often used for finding a writable filesystem) 17->92 94 Reads system files that contain records of logged in users 17->94 32 accounts-daemon language-validate 17->32         started        38 3 other processes 17->38 signatures6 process7 signatures8 106 Sample deletes itself 21->106 40 iwir64.elf 21->40         started        43 gdm-session-worker gdm-wayland-session 24->43         started        45 sh grep 26->45         started        47 sh grep 28->47         started        49 sh grep 30->49         started        51 language-validate language-options 32->51         started        53 sh grep 36->53         started        57 4 other processes 36->57 55 sh 38->55         started        process9 signatures10 108 Sample tries to kill a massive number of system processes 40->108 110 Sample tries to kill multiple processes (SIGKILL) 40->110 59 iwir64.elf sh 40->59         started        61 iwir64.elf sh 40->61         started        63 gdm-wayland-session dbus-daemon 43->63         started        66 gdm-wayland-session dbus-run-session 43->66         started        68 language-options sh 51->68         started        process11 signatures12 70 sh ps 59->70         started        72 sh ps 61->72         started        112 Sample reads /proc/mounts (often used for finding a writable filesystem) 63->112 74 dbus-daemon 63->74         started        76 dbus-run-session dbus-daemon 66->76         started        78 sh locale 68->78         started        80 sh grep 68->80         started        process13 process14 82 dbus-daemon false 74->82         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2024-11-18 11:56:04 UTC
File Type:
ELF64 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:botnet discovery linux
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Deletes itself
Malware Config
C2 Extraction:
boats.dogmuncher.xyz
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Dropper.Mirai-7540662-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c 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_520deeb8 Linux_Trojan_Mirai_01e4a728 Linux_Trojan_Mirai_e0cf29e2 Linux_Gafgyt_May_2024
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:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_01e4a728
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_520deeb8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
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 45bacbd238b4fbf008a6f7a014f0f526987dfc5bac84047cc0f4d374330932e9

(this sample)

  
Delivery method
Distributed via web download

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