MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 488a3964f1e8849bdaff87c32c0f33d785062285b2427e2f2e81f7b35240e0a7. 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: 8


Intelligence 8 IOCs YARA 7 File information Comments

SHA256 hash: 488a3964f1e8849bdaff87c32c0f33d785062285b2427e2f2e81f7b35240e0a7
SHA3-384 hash: cc6f7b485145155f322deb35fb509f9c6078375f66fa77b0b1f838cdfd8d239dc9378abc0b64f6f524e7db7fbc8471ae
SHA1 hash: 7bdba1f0b8972d030308101db91b0d0c7e8ea8ad
MD5 hash: f04494881eb38dd671e6c500dc292f49
humanhash: network-oranges-maryland-sad
File name:sh4.urbotnetisass
Download: download sample
Signature Mirai
File size:160'496 bytes
First seen:2025-09-10 17:59:06 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:5WvLysAhFlupbguZBRIob7pj9QinG0uJQ:5W+dobguZBuovImuJQ
TLSH T12CF3BE23D4646D21D26949B270F1CFBD0F93A9A0D9472DA9E0A7C7B4D007D8DB24A7BC
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 :
100
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
anti-vm expand lolbin packed remote threat
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-10T15:37:00Z UTC
Last seen:
2025-09-10T15:37:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=93d5d1c6-1b00-0000-55f5-96c170140000 pid=5232 /usr/bin/sudo guuid=ab426ac8-1b00-0000-55f5-96c171140000 pid=5233 /tmp/sample.bin guuid=93d5d1c6-1b00-0000-55f5-96c170140000 pid=5232->guuid=ab426ac8-1b00-0000-55f5-96c171140000 pid=5233 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: 1775052 Sample: sh4.urbotnetisass.elf Startdate: 10/09/2025 Architecture: LINUX Score: 92 47 94.154.35.153, 43212 SELECTELRU Ukraine 2->47 49 109.202.202.202, 80 INIT7CH Switzerland 2->49 51 2 other IPs or domains 2->51 53 Antivirus / Scanner detection for submitted sample 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 Yara detected Gafgyt 2->57 59 Yara detected Mirai 2->59 10 sh4.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 sh4.urbotnetisass.elf 10->18         started        file6 39 /_dev_shm_.6251_librt.so.1, ELF 18->39 dropped 41 /_dev_shm_.6251_libpthread.so.0, ELF 18->41 dropped 43 /_dev_shm_.6251_libm.so.6, ELF 18->43 dropped 45 6 other malicious files 18->45 dropped 61 Writes identical ELF files to multiple locations 18->61 22 sh4.urbotnetisass.elf 18->22         started        24 sh4.urbotnetisass.elf 18->24         started        signatures7 process8 process9 26 sh4.urbotnetisass.elf 22->26         started        29 sh4.urbotnetisass.elf 24->29         started        signatures10 63 Sample reads /proc/mounts (often used for finding a writable filesystem) 26->63 65 Deletes system log files 26->65 31 sh4.urbotnetisass.elf 26->31         started        33 sh4.urbotnetisass.elf 26->33         started        35 sh4.urbotnetisass.elf 26->35         started        37 7 other processes 26->37 process11
Threat name:
Linux.Exploit.Mirai
Status:
Malicious
First seen:
2025-09-10 18:03:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7136288-0
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 488a3964f1e8849bdaff87c32c0f33d785062285b2427e2f2e81f7b35240e0a7

(this sample)

  
Delivery method
Distributed via web download

Comments