MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a74b907fdaec7f78b4e6110bec9dd4a5a7dd4af16ab6169ae172f702624b16de. 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 17 File information Comments

SHA256 hash: a74b907fdaec7f78b4e6110bec9dd4a5a7dd4af16ab6169ae172f702624b16de
SHA3-384 hash: 93b59093a6552c1854d1fe1c9af9e1bc60cedf2de8f261dc76074de2f72002be63e6cae219c8563c2f4e9397e10e4c2c
SHA1 hash: 5920f01db9a609603f0ff1ac763e09934a0f008b
MD5 hash: 623231f7c30197035a344295685ffc31
humanhash: delta-fix-monkey-may
File name:morte.x86_64
Download: download sample
Signature Mirai
File size:117'216 bytes
First seen:2025-12-03 06:31:19 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:uy231pM1hUxKVNJs+NX5Y/QYXFjE18dya5bdC4EQ:uy2lu1hUxKVNJsV/b1aZ+bQ4EQ
TLSH T182B33A0779C88CFDC055C23407BE7937DC21F0EE0238B29B67D4AE26694DE720B29A59
telfhash t19921577028d73a9c51c38388b20eed2ad1b709321ec07a958f1bece29d0afd80d02422
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 187ad4f4f841d5531cc777d3f1a1cd075c44dc6eef7285c1af39efee74ff18f8
File size (compressed) :47'604 bytes
File size (de-compressed) :117'216 bytes
Format:linux/amd64
Packed file: 187ad4f4f841d5531cc777d3f1a1cd075c44dc6eef7285c1af39efee74ff18f8

Intelligence


File Origin
# of uploads :
1
# of downloads :
28
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Result
Gathering data
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
Drops files in suspicious directories
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1825104 Sample: morte.x86_64.elf Startdate: 03/12/2025 Architecture: LINUX Score: 88 39 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->39 41 34.254.182.186, 443, 54630 AMAZON-02US United States 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus / Scanner detection for submitted sample 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected Mirai 2->49 10 morte.x86_64.elf 2->10         started        12 xfce4-panel wrapper-2.0 2->12         started        14 xfce4-panel wrapper-2.0 2->14         started        16 16 other processes 2->16 signatures3 process4 process5 18 morte.x86_64.elf 10->18         started        20 wrapper-2.0 xfpm-power-backlight-helper 12->20         started        process6 22 morte.x86_64.elf 18->22         started        file7 37 /etc/init.d/sysd, POSIX 22->37 dropped 51 Sample tries to set files in /etc globally writable 22->51 53 Drops files in suspicious directories 22->53 55 Sample tries to persist itself using System V runlevels 22->55 26 morte.x86_64.elf 22->26         started        28 morte.x86_64.elf sh 22->28         started        signatures8 process9 process10 30 morte.x86_64.elf 26->30         started        33 morte.x86_64.elf 26->33         started        35 sh cp 28->35         started        signatures11 57 Sample tries to kill multiple processes (SIGKILL) 30->57
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-03 06:32:11 UTC
File Type:
ELF64 Little (Exe)
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd discovery linux persistence
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Modifies init.d
Modifies rc script
Malware Config
C2 Extraction:
vserge42.bounceme.net
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_ea92cca8 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_6a77af0f 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:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
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_d4227dbf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
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 a74b907fdaec7f78b4e6110bec9dd4a5a7dd4af16ab6169ae172f702624b16de

(this sample)

  
Delivery method
Distributed via web download

Comments