MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f692fc8b862f4ab4c96c4dc9da877667245cfba00d686736d67fc20e40bf3301. 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: 11


Intelligence 11 IOCs YARA 7 File information Comments

SHA256 hash: f692fc8b862f4ab4c96c4dc9da877667245cfba00d686736d67fc20e40bf3301
SHA3-384 hash: 477638107bb9e02450e04aa99b36c44d2cba5dc2dfdb6f233d40e3a5632292f22d9fd7925b570c533894ff1e116aac60
SHA1 hash: 3da239bfee38443c3fae269988ef56c535a9996e
MD5 hash: cec9012d5ca06f2bd0a8636b05f82145
humanhash: fillet-july-blossom-oscar
File name:mipsel.urbotnetisass
Download: download sample
Signature Mirai
File size:277'832 bytes
First seen:2025-09-18 22:16:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:rK8xjd3+NVcXjdIVqdnJ0rvHZheyxNJJTJQ:rltd3EV4aVqdnJmvHZIy3JJTJQ
TLSH T18944F70AAF610EFBF86FCE3742E80B46258C645222993FB93574E914F54A54F0AE3D74
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 :
74
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unmounts file systems
Opens a port
Sends data to a server
Creating a file
Deletes a file
Receives data from a server
Deleting a recently created file
Connection attempt
Kills processes
Mounts file systems
Runs as daemon
Collects information on the network activity
Substitutes an application name
Writes files to system directory
Deletes a system binary file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm anti-vm lolbin remote threat
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-18T20:34:00Z UTC
Last seen:
2025-09-18T20:34:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=66d95dfa-1800-0000-97b4-49379d110000 pid=4509 /usr/bin/sudo guuid=d4142ffc-1800-0000-97b4-4937a8110000 pid=4520 /tmp/sample.bin guuid=66d95dfa-1800-0000-97b4-49379d110000 pid=4509->guuid=d4142ffc-1800-0000-97b4-4937a8110000 pid=4520 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Deletes system log files
Drops files in suspicious directories
Drops invisible ELF files
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Writes identical ELF files to multiple locations
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1780404 Sample: mipsel.urbotnetisass.elf Startdate: 19/09/2025 Architecture: LINUX Score: 100 58 94.154.35.153, 40638, 43212 SELECTELRU Ukraine 2->58 60 109.202.202.202, 80 INIT7CH Switzerland 2->60 62 2 other IPs or domains 2->62 64 Antivirus detection for dropped file 2->64 66 Antivirus / Scanner detection for submitted sample 2->66 68 Yara detected Gafgyt 2->68 70 Yara detected Mirai 2->70 10 mipsel.urbotnetisass.elf 2->10         started        12 udisksd dumpe2fs 2->12         started        14 udisksd dumpe2fs 2->14         started        16 18 other processes 2->16 signatures3 process4 process5 18 mipsel.urbotnetisass.elf 10->18         started        file6 48 /etc/init.d/sysd, POSIX 18->48 dropped 50 /_dev_shm_.6238_librt.so.1, ELF 18->50 dropped 52 /_dev_shm_.6238_libpthread.so.0, ELF 18->52 dropped 54 7 other malicious files 18->54 dropped 72 Sample tries to set files in /etc globally writable 18->72 74 Writes identical ELF files to multiple locations 18->74 76 Drops files in suspicious directories 18->76 78 Sample tries to persist itself using System V runlevels 18->78 22 mipsel.urbotnetisass.elf sh 18->22         started        24 mipsel.urbotnetisass.elf 18->24         started        26 mipsel.urbotnetisass.elf 18->26         started        28 mipsel.urbotnetisass.elf 18->28         started        signatures7 process8 process9 30 sh cp 22->30         started        34 mipsel.urbotnetisass.elf 24->34         started        36 mipsel.urbotnetisass.elf 26->36         started        38 mipsel.urbotnetisass.elf 28->38         started        file10 56 /usr/bin/.sh, ELF 30->56 dropped 80 Drops invisible ELF files 30->80 82 Drops files in suspicious directories 30->82 84 Sample reads /proc/mounts (often used for finding a writable filesystem) 34->84 86 Deletes system log files 34->86 40 mipsel.urbotnetisass.elf 34->40         started        42 mipsel.urbotnetisass.elf 34->42         started        44 mipsel.urbotnetisass.elf 34->44         started        46 7 other processes 34->46 signatures11 process12
Threat name:
Linux.Exploit.Mirai
Status:
Malicious
First seen:
2025-09-18 22:17:44 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads system network configuration
Reads process memory
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
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: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 f692fc8b862f4ab4c96c4dc9da877667245cfba00d686736d67fc20e40bf3301

(this sample)

  
Delivery method
Distributed via web download

Comments