MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b318c60fb6c646c4faf4860a9c7138ef69ab530f1a76e3e0f894ec3a6423e85. 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 8 File information Comments

SHA256 hash: 1b318c60fb6c646c4faf4860a9c7138ef69ab530f1a76e3e0f894ec3a6423e85
SHA3-384 hash: a612bd4b40e5c6b091bc6dd673bd9656a76acda74b522588cabd6bbeb5e55659bbfe77073e91ff96d7353230fc6e6b3e
SHA1 hash: 6bb30fbfcfefad1a82896a2d79d50153e70b1b02
MD5 hash: c393fb04968d4494b36e044a53cb592d
humanhash: happy-eight-violet-glucose
File name:arm.urbotnetisass
Download: download sample
Signature Mirai
File size:205'212 bytes
First seen:2025-09-12 07:18:36 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:7MuzX8i3ttU+GDVwu700V0UNxqKIyFr79N3O0HI1ydhGW8TnGRdRA:4uzXvd++GDVbD0cIyd79FH6EIWPdRA
TLSH T171142955BC929E56C6C467B7FB6E8389371703B8D2EF3107DD156B60328B41A0E3BA81
telfhash t11c117a208d8c0ce872f50d5e94fe76123a2df09636591425b6feec99d5328e9a03101e
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 :
59
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
anti-vm expand lolbin rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-12T03:42:00Z UTC
Last seen:
2025-09-12T03:42:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen
Status:
terminated
Behavior Graph:
%3 guuid=5d04cf64-1900-0000-2ff7-d505fa0f0000 pid=4090 /usr/bin/sudo guuid=efd30867-1900-0000-2ff7-d50500100000 pid=4096 /tmp/sample.bin guuid=5d04cf64-1900-0000-2ff7-d505fa0f0000 pid=4090->guuid=efd30867-1900-0000-2ff7-d50500100000 pid=4096 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Writes identical ELF files to multiple locations
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1776184 Sample: arm.urbotnetisass.elf Startdate: 12/09/2025 Architecture: LINUX Score: 92 47 94.154.35.153, 43212 SELECTELRU Ukraine 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 Yara detected Gafgyt 2->53 55 Yara detected Mirai 2->55 10 arm.urbotnetisass.elf 2->10         started        12 udisksd dumpe2fs 2->12         started        14 udisksd dumpe2fs 2->14         started        16 12 other processes 2->16 signatures3 process4 process5 18 arm.urbotnetisass.elf 10->18         started        file6 39 /memfd:/usr/lib/librt.so.1 (deleted), ELF 18->39 dropped 41 /memfd:/usr/lib/libpthread.so.0 (deleted), ELF 18->41 dropped 43 /memfd:/usr/lib/libm.so.6 (deleted), ELF 18->43 dropped 45 41 other malicious files 18->45 dropped 57 Writes identical ELF files to multiple locations 18->57 22 arm.urbotnetisass.elf 18->22         started        24 arm.urbotnetisass.elf 18->24         started        signatures7 process8 process9 26 arm.urbotnetisass.elf 22->26         started        29 arm.urbotnetisass.elf 24->29         started        signatures10 59 Sample reads /proc/mounts (often used for finding a writable filesystem) 26->59 61 Deletes system log files 26->61 31 arm.urbotnetisass.elf 26->31         started        33 arm.urbotnetisass.elf 26->33         started        35 arm.urbotnetisass.elf 26->35         started        37 7 other processes 26->37 process11
Threat name:
Linux.Exploit.Mirai
Status:
Malicious
First seen:
2025-09-12 06:38:20 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
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:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 1b318c60fb6c646c4faf4860a9c7138ef69ab530f1a76e3e0f894ec3a6423e85

(this sample)

  
Delivery method
Distributed via web download

Comments