🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 56ba71e217d13c871fc4a4e491a1f147da88bfc32acd7d8da204e14295208eb0. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments

SHA256 hash: 56ba71e217d13c871fc4a4e491a1f147da88bfc32acd7d8da204e14295208eb0
SHA3-384 hash: 5985e020cbca617b30ad78426fb3e57ebba0091d7f2d531e8ccb68a5ad81dd75894b1fb8af579073d5427e510591689a
SHA1 hash: 40cdb37f350e914c5d14fb5547e8d6ea19deea6b
MD5 hash: 4b63684e726f86f1ea115479d31b7523
humanhash: alanine-butter-echo-missouri
File name:sever1078.arm
Download: download sample
Signature Mirai
File size:219'264 bytes
First seen:2026-09-19 10:42:44 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:bcjno/vF5GOc1rDCKSo0iqCs4ZYW8IhpMTedc:bcjnU5Gxlb1FqxOYPeMV
TLSH T1AE2423611A61D11CB7C2C4F87D2E82A93D677FC257AFB2222578187D051D63E26C2CBD
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 UPX
File size (compressed) :219'264 bytes
File size (de-compressed) :480'808 bytes
Format:linux/arm
Unpacked file: 0fd83d9e8c114a0be2400de5ae4e1a5aa7de7330ed5cffe069354808a5436849

Intelligence


File Origin
# of uploads :
1
# of downloads :
64
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
123
Number of processes launched:
14
Processes remaning?
true
Remote TCP ports scanned:
5555
Behaviour
Persistence
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-09-19T08:29:00Z UTC
Last seen:
2026-09-19T09:34:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=8eb3306d-1f00-0000-5da4-4837bf090000 pid=2495 /usr/bin/sudo guuid=7ec25470-1f00-0000-5da4-4837c7090000 pid=2503 /tmp/sample.bin guuid=8eb3306d-1f00-0000-5da4-4837bf090000 pid=2495->guuid=7ec25470-1f00-0000-5da4-4837c7090000 pid=2503 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Drops invisible ELF files
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to persist itself using cron
Sends malformed DNS queries
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1975102 Sample: sever1078.arm.elf Startdate: 19/09/2026 Architecture: LINUX Score: 100 85 bigbigvol.qd.je. [malformed] 2->85 87 221.164.71.154, 5555 YSU-AS-KRyoungsanuniversityKR South Korea 2->87 89 100 other IPs or domains 2->89 91 Suricata IDS alerts for network traffic 2->91 93 Multi AV Scanner detection for submitted file 2->93 95 Yara detected Mirai 2->95 99 2 other signatures 2->99 9 sever1078.arm.elf .sysd 2->9         started        13 systemd .sysd 2->13         started        15 systemd .sysd 2->15         started        17 4 other processes 2->17 signatures3 97 Sends malformed DNS queries 85->97 process4 file5 83 /var/tmp/.sysd, ELF 9->83 dropped 105 Drops invisible ELF files 9->105 19 sever1078.arm.elf sh 9->19         started        21 .sysd sh 9->21         started        23 sever1078.arm.elf sh 9->23         started        31 4 other processes 9->31 25 .sysd sh 13->25         started        27 .sysd 13->27         started        33 3 other processes 13->33 29 .sysd sh 15->29         started        35 4 other processes 15->35 signatures6 process7 process8 37 sh 19->37         started        39 sh 21->39         started        41 sh systemctl 23->41         started        47 2 other processes 23->47 43 sh 25->43         started        49 3 other processes 27->49 45 sh 29->45         started        51 3 other processes 31->51 53 3 other processes 35->53 process9 55 sh crontab 37->55         started        59 sh crontab 37->59         started        61 sh grep 37->61         started        63 sh crontab 39->63         started        69 2 other processes 39->69 65 sh crontab 43->65         started        71 2 other processes 43->71 67 sh crontab 45->67         started        73 2 other processes 45->73 file10 75 /var/spool/cron/crontabs/tmp.MArbyQ, ASCII 55->75 dropped 101 Sample tries to persist itself using cron 55->101 103 Executes the "crontab" command typically for achieving persistence 55->103 77 /var/spool/cron/crontabs/tmp.KZI8bh, ASCII 63->77 dropped 79 /var/spool/cron/crontabs/tmp.M7k3qQ, ASCII 65->79 dropped 81 /var/spool/cron/crontabs/tmp.yhKgDd, ASCII 67->81 dropped signatures11
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-09-19 10:43:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
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:ELF_IoT_DVR_Botnet_Hama_UPX
Author:Serhii Kocherhan
Description:Detects packed and unpacked ELF IoT/DVR botnet variants targeting UPX compression structures and uncompressed code
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

Mirai

elf 56ba71e217d13c871fc4a4e491a1f147da88bfc32acd7d8da204e14295208eb0

(this sample)

  
Delivery method
Distributed via web download

Comments