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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 773bc4bfc1a829d23e075b2701f8973fb30afa7b2ca9ea550436c984577d2b8c. 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 5 File information Comments

SHA256 hash: 773bc4bfc1a829d23e075b2701f8973fb30afa7b2ca9ea550436c984577d2b8c
SHA3-384 hash: 13a07aac0b095af51f6f3f6dbec1e4ee266dcbf55a7d3380cea10b3b25ae2b4166fcd1e77548f4a6fb16863732b05523
SHA1 hash: 4dd5acfa26acfe3522321ce7cad80f01cfa4e384
MD5 hash: e08c887f393202a69e3ff8cbc2064d48
humanhash: orange-berlin-alanine-west
File name:cegg_arm64
Download: download sample
Signature Mirai
File size:400'650 bytes
First seen:2026-10-17 17:59:58 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:6RxyicYzhD6fgdDuDI8K3FPRjfKkBDcZeZtu56HkU6rJIKhGnyGx3EOWmWMEb95:6RpzkI8KVPRRDcZeGHUO/Gnp3fcn
TLSH T17B84238F41132217EA14E4736239678628B094FD88EF16F6C569D9EFE67A723032364D
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 :
90
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Sends data to a server
Launching a process
Connection attempt
Opens a port
Receives data from a server
Accesses SSH
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
custom
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
23,22,6379,80,8080,2375,37215,52869,81
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-10-17T15:32:00Z UTC
Last seen:
2026-10-18T17:52:00Z UTC
Hits:
~10
Result
Threat name:
Echo Bot, Mirai
Detection:
malicious
Classification:
spre.troj.evad
Score:
92 / 100
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Connects to many ports of the same IP (likely port scanning)
Sample is packed with UPX
Sample reads from .bash_history
Suricata IDS alerts for network traffic
Tries to read the AWS credentials file
Tries to read the SSH private key file
Uses known network protocols on non-standard ports
Yara detected Echo Bot
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1988421 Sample: cegg_arm64.elf Startdate: 17/10/2026 Architecture: LINUX Score: 92 31 160.248.62.31, 21, 22, 23 INFOSPHERENTTPCCommunicationsIncJP Japan 2->31 33 41.60.37.90 ZOLZW Zimbabwe 2->33 35 99 other IPs or domains 2->35 43 Suricata IDS alerts for network traffic 2->43 45 Yara detected Echo Bot 2->45 47 Yara detected Mirai 2->47 49 4 other signatures 2->49 10 cegg_arm64.elf 2->10         started        12 python3.8 dpkg 2->12         started        signatures3 process4 process5 14 cegg_arm64.elf 10->14         started        16 cegg_arm64.elf sh 10->16         started        process6 18 cegg_arm64.elf 14->18         started        21 cegg_arm64.elf 14->21         started        23 sh ip 16->23         started        25 sh grep 16->25         started        signatures7 37 Tries to read the AWS credentials file 18->37 39 Tries to read the SSH private key file 18->39 41 Sample reads from .bash_history 18->41 27 cegg_arm64.elf sh 18->27         started        process8 process9 29 sh ls 27->29         started       
Threat name:
Linux.Exploit.CVE-2014-8361
Status:
Suspicious
First seen:
2026-10-17 18:00:53 UTC
File Type:
ELF64 Little (Exe)
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
linux 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 773bc4bfc1a829d23e075b2701f8973fb30afa7b2ca9ea550436c984577d2b8c

(this sample)

  
Delivery method
Distributed via web download

Comments