MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fddced91e3ab9bb4b3b0d1f62485438c12743d734698cc879981b96ac9d315d0. 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 7 File information Comments

SHA256 hash: fddced91e3ab9bb4b3b0d1f62485438c12743d734698cc879981b96ac9d315d0
SHA3-384 hash: cab6a5d97738ea078d8a08e214cd3c13d0a6bfd217968f2f9add0e276eab12a563c3dcf42bae15cbf7bf45695b80e1d4
SHA1 hash: b8ac38b037f54fae533021b36a32ad945615b6e0
MD5 hash: 83fdaa6182f41a06f0c46d20f53af2a7
humanhash: edward-florida-rugby-berlin
File name:arm7.urbotnetisass
Download: download sample
Signature Mirai
File size:223'160 bytes
First seen:2025-09-12 02:55:24 UTC
Last seen:2025-09-12 08:24:11 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:GFAyY1FffoBtYtoLg0t9WdVbaSXBpjQ9CKJp/yF+QyS8pRA81W:fygAYtoLCVbayBpjQ9CKbqF+Qv8pRA8
TLSH T134242A66BD819F16D5C625BAFB9EC29933136BB8D3EE7102CD105F6033C648B0E7A641
telfhash t141b09200845554ee6a16aa0780ec8765ca57e43b715281689ae22e6922a35a0c424053
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
36
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Creating a file
Runs as daemon
Unmounts file systems
Collects information on the network activity
Mounts file systems
Opens a port
Deletes a file
Kills processes
Sends data to a server
Connection attempt
Deletes a system binary file
Substitutes an application name
Writes files to system directory
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
anti-vm expand gcc lolbin packed remote threat
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-11T22:48:00Z UTC
Last seen:
2025-09-11T22:48:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=39aac0a5-1900-0000-0e98-ffae600b0000 pid=2912 /usr/bin/sudo guuid=693b29a8-1900-0000-0e98-ffae660b0000 pid=2918 /tmp/sample.bin guuid=39aac0a5-1900-0000-0e98-ffae600b0000 pid=2912->guuid=693b29a8-1900-0000-0e98-ffae660b0000 pid=2918 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
84 / 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 Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1776089 Sample: arm7.urbotnetisass.elf Startdate: 12/09/2025 Architecture: LINUX Score: 84 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 Mirai 2->53 10 arm7.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 arm7.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 55 Writes identical ELF files to multiple locations 18->55 22 arm7.urbotnetisass.elf 18->22         started        24 arm7.urbotnetisass.elf 18->24         started        signatures7 process8 process9 26 arm7.urbotnetisass.elf 22->26         started        29 arm7.urbotnetisass.elf 24->29         started        signatures10 57 Sample reads /proc/mounts (often used for finding a writable filesystem) 26->57 59 Deletes system log files 26->59 31 arm7.urbotnetisass.elf 26->31         started        33 arm7.urbotnetisass.elf 26->33         started        35 arm7.urbotnetisass.elf 26->35         started        37 7 other processes 26->37 process11
Threat name:
Linux.Exploit.Mirai
Status:
Malicious
First seen:
2025-09-12 02:56:34 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery
Behaviour
Reads runtime system information
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 fddced91e3ab9bb4b3b0d1f62485438c12743d734698cc879981b96ac9d315d0

(this sample)

  
Delivery method
Distributed via web download

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