MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77c71a4ddeb7af54a314c878a379e434e067c4404e785193c1298de9d5327409. 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: 11


Intelligence 11 IOCs YARA 7 File information Comments

SHA256 hash: 77c71a4ddeb7af54a314c878a379e434e067c4404e785193c1298de9d5327409
SHA3-384 hash: 3a294a847783afa64cda2616948af215bd42224c755c6960a635c51b2c9fc5a2c09f254de74ddf7218c85e81d04a3210
SHA1 hash: 4e5eaf1a3ae40981f2f0e01ddd7a26cfab1ecb45
MD5 hash: 3768126479969d35f19120a22a8bc5a4
humanhash: lake-august-winter-black
File name:SecuriteInfo.com.Linux.Exploit.CVE-2017-17215.11.11853.30430
Download: download sample
Signature Mirai
File size:235'060 bytes
First seen:2026-02-02 21:40:45 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:x3soGnIVnV3KgTgiDNh9B/QHvJ6AwwRQOh:JtlK42AjOh
TLSH T14D34B70E2F229F7DF7B8863447B74D20A75833DA26E1D684D1ACD2115E6029E641FFB8
telfhash t1b24152580e7813f0a3395c9d059dff76d66720db7e166c378e10e46aa768b839d10c0c
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 1e532e2c6ae5025c8d0b843f21c497303cf66d41db7d2b2c3d1efb06819a02c8
File size (compressed) :68'296 bytes
File size (de-compressed) :235'060 bytes
Format:linux/mips
Packed file: 1e532e2c6ae5025c8d0b843f21c497303cf66d41db7d2b2c3d1efb06819a02c8

Intelligence


File Origin
# of uploads :
1
# of downloads :
79
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
DNS request
Connection attempt
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-02-02T18:36:00Z UTC
Last seen:
2026-02-02T20:35:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=50137164-1a00-0000-0491-71fa070b0000 pid=2823 /usr/bin/sudo guuid=aabd1166-1a00-0000-0491-71fa0b0b0000 pid=2827 /tmp/sample.bin guuid=50137164-1a00-0000-0491-71fa070b0000 pid=2823->guuid=aabd1166-1a00-0000-0491-71fa0b0b0000 pid=2827 execve
Gathering data
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Detected Mirai
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Suricata IDS alerts for network traffic
Uses dynamic DNS services
Yara detected Mirai
Behaviour
Behavior Graph:
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2026-02-02 21:41:26 UTC
File Type:
ELF32 Big (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Behaviour
Reads runtime system information
Changes its process name
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (140915) amount of remote hosts
Creates a large amount of network flows
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:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information


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

Web download

Mirai

elf 77c71a4ddeb7af54a314c878a379e434e067c4404e785193c1298de9d5327409

(this sample)

  
Delivery method
Distributed via web download

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