MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d786ccae620d4e466b4acc6f00263008f96ccfcaee98f194806d08f7cdae41d. 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 8 File information Comments

SHA256 hash: 8d786ccae620d4e466b4acc6f00263008f96ccfcaee98f194806d08f7cdae41d
SHA3-384 hash: 8d1b73936fcecc25782571041b364c066caed16253f90926b9f9bb30467c5a224d209765f58222dc6176186862f9d2b3
SHA1 hash: 60165f6b3e86a3662f123f0abd0d29a77c253255
MD5 hash: 92a55b67e3fa481d28d2171d0433290c
humanhash: orange-cold-wisconsin-foxtrot
File name:arm.urbotnetisass
Download: download sample
Signature Mirai
File size:254'364 bytes
First seen:2025-09-11 02:59:23 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:LDPo7K+ZH6H6F3VQIyxvGneVlKhqjIS0RA:fg7LNVQIHqUS0RA
TLSH T1D1443955BC419A56C5D42BBBBBFEC389335B13B8C3EA31178D155B60368A41B0E7BB80
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 :
71
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:
2025-09-11T01:11:00Z UTC
Last seen:
2025-09-11T01:11:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=60b59611-1900-0000-1249-8b382a130000 pid=4906 /usr/bin/sudo guuid=a706ca13-1900-0000-1249-8b3832130000 pid=4914 /tmp/sample.bin guuid=60b59611-1900-0000-1249-8b382a130000 pid=4906->guuid=a706ca13-1900-0000-1249-8b3832130000 pid=4914 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
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: 1775274 Sample: arm.urbotnetisass.elf Startdate: 11/09/2025 Architecture: LINUX Score: 84 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 Yara detected Gafgyt 2->55 57 Yara detected Mirai 2->57 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 59 Writes identical ELF files to multiple locations 18->59 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 61 Sample reads /proc/mounts (often used for finding a writable filesystem) 26->61 63 Deletes system log files 26->63 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:
2025-09-11 03:00:56 UTC
File Type:
ELF32 Little (Exe)
AV detection:
9 of 24 (37.50%)
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 8d786ccae620d4e466b4acc6f00263008f96ccfcaee98f194806d08f7cdae41d

(this sample)

  
Delivery method
Distributed via web download

Comments