MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88803850f589e90df40cda3849057e1d1f497d08177998be0f97aa0ec8f04705. 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 3 File information Comments

SHA256 hash: 88803850f589e90df40cda3849057e1d1f497d08177998be0f97aa0ec8f04705
SHA3-384 hash: 01789dbf7a76f29bc1cd6a917bf1805fc22c310b797c49145c04c88db0de31f1794de519c480aa8f382deffdee760933
SHA1 hash: 39d6e3915f25c93396b5ee5dc47da10ebe7a4834
MD5 hash: 7cb3fe7f66ae647a23c3652fba75a267
humanhash: wisconsin-double-johnny-fish
File name:ecco.arm
Download: download sample
Signature Mirai
File size:82'248 bytes
First seen:2025-12-05 17:33:00 UTC
Last seen:2025-12-06 03:15:56 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:8+QQa2b0R9ofpkG2mN0HX4DS2uF/UGCeFwvk+id+eUsDIEQb/bwpf7ozW:l0Rafpkte0HBZHGvPiweUp/ecq
TLSH T16E8302E0CBB3A56296D56078CFE3D17B32516ACE911BF1BD221A0666EFDD94F2008347
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) :82'248 bytes
File size (de-compressed) :248'864 bytes
Format:linux/arm
Unpacked file: bdb99e92c4b9bdba55dfbfdca6c388b07d4ae151035e65e525382629fa63dfe9

Intelligence


File Origin
# of uploads :
2
# of downloads :
31
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
android masquerade mirai packed upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-05T12:10:00Z UTC
Last seen:
2025-12-05T19:15:00Z UTC
Hits:
~10
Result
Threat name:
Mirai, Gafgyt
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Deletes system log files
Detected Mirai
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1827459 Sample: ecco.arm.elf Startdate: 05/12/2025 Architecture: LINUX Score: 100 79 216.2.70.217 XO-AS15US United States 2->79 81 204.132.76.12 WSCUUS United States 2->81 83 98 other IPs or domains 2->83 91 Suricata IDS alerts for network traffic 2->91 93 Malicious sample detected (through community Yara rule) 2->93 95 Detected Mirai 2->95 97 6 other signatures 2->97 12 ecco.arm.elf 2->12         started        signatures3 process4 process5 14 ecco.arm.elf 12->14         started        process6 16 ecco.arm.elf 14->16         started        file7 69 /etc/init.d/sysd, POSIX 16->69 dropped 85 Sample tries to set files in /etc globally writable 16->85 87 Drops files in suspicious directories 16->87 89 Sample tries to persist itself using System V runlevels 16->89 20 ecco.arm.elf 16->20         started        22 ecco.arm.elf 16->22         started        25 ecco.arm.elf sh 16->25         started        signatures8 process9 file10 27 ecco.arm.elf 20->27         started        29 ecco.arm.elf sh 20->29         started        31 ecco.arm.elf 20->31         started        39 4 other processes 20->39 71 /usr/Bin), ELF 22->71 dropped 33 ecco.arm.elf sh 22->33         started        35 ecco.arm.elf 22->35         started        37 sh cp 25->37         started        process11 signatures12 56 806 other processes 27->56 42 sh crontab 29->42         started        46 sh 29->46         started        48 ecco.arm.elf 31->48         started        58 3 other processes 31->58 50 sh crontab 33->50         started        52 sh 33->52         started        60 182 other processes 35->60 99 Manipulation of devices in /dev 39->99 54 ecco.arm.elf 39->54         started        process13 file14 73 /var/spool/cron/crontabs/tmp.rky73T, ASCII 42->73 dropped 62 sh crontab 46->62         started        101 Deletes system log files 48->101 75 /var/spool/cron/cr...mp.6t8oRd (deleted), ASCII 50->75 dropped 77 /dev/null (deleted), ASCII 50->77 dropped 103 Manipulation of devices in /dev 50->103 105 Sample tries to persist itself using cron 50->105 107 Executes the "crontab" command typically for achieving persistence 50->107 65 sh crontab 52->65         started        67 ecco.arm.elf 58->67         started        signatures15 process16 signatures17 109 Executes the "crontab" command typically for achieving persistence 62->109
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-05 17:33:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 38 (55.26%)
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: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: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 88803850f589e90df40cda3849057e1d1f497d08177998be0f97aa0ec8f04705

(this sample)

  
Delivery method
Distributed via web download

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