MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b610d74c294777d17830956258c5a5ed2c0a71b4031c7a748eefb6d4e8a1080b. 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: b610d74c294777d17830956258c5a5ed2c0a71b4031c7a748eefb6d4e8a1080b
SHA3-384 hash: 51027e73943bbb18cd45ad882f0140d3472ead31ba465f978775fa93c149b42eb8b03e409ede1758b41dab5503e166b8
SHA1 hash: ea8782597ec784cab7af1dd252b449d8c2a6d7a0
MD5 hash: cb64aa7d12ea442ec4b3bfb09d09f853
humanhash: william-jig-west-floor
File name:sshd
Download: download sample
Signature Mirai
File size:163'590 bytes
First seen:2025-07-15 04:48:38 UTC
Last seen:2025-07-15 22:55:58 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:9KjBP9EV2Y+bmPqULbPJ1BgiVE7nzWmsSMdJA3p8MCkNb:9+PS6mx1B9cWmsSMdJA3p8MCkNb
TLSH T17CF3763E7E21AFBEE678823107F35F70C79529D226A19342E16CF6185E7524C1C9EB90
telfhash t103315621953546142fb29928acfc56b30121271323557f71af25c5cc49260e1e93de4f
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
24
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Collects information on the CPU
Receives data from a server
Runs as daemon
Connection attempt
Kills processes
Launching a process
Sends data to a server
Collects information on the OS
Substitutes an application name
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
bash gcc lolbin
Status:
terminated
Behavior Graph:
%3 guuid=83122033-1700-0000-290c-c2cc920e0000 pid=3730 /usr/bin/sudo guuid=cdf93d35-1700-0000-290c-c2cc9c0e0000 pid=3740 /tmp/sample.bin guuid=83122033-1700-0000-290c-c2cc920e0000 pid=3730->guuid=cdf93d35-1700-0000-290c-c2cc9c0e0000 pid=3740 execve
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Contains symbols with names commonly found in malware
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Terminates several processes with shell command 'killall'
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1736698 Sample: sshd.elf Startdate: 15/07/2025 Architecture: LINUX Score: 80 37 206.123.128.67, 51838, 65481 LEASEWEB-USA-NYC-11US United States 2->37 39 109.202.202.202, 80 INIT7CH Switzerland 2->39 41 2 other IPs or domains 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected Gafgyt 2->47 49 2 other signatures 2->49 9 sshd.elf 2->9         started        signatures3 process4 signatures5 53 Opens /proc/net/* files useful for finding connected devices and routers 9->53 12 sshd.elf 9->12         started        process6 process7 14 sshd.elf sh 12->14         started        16 sshd.elf sh 12->16         started        18 sshd.elf sh 12->18         started        20 59 other processes 12->20 process8 22 sh killall 14->22         started        25 sh killall 16->25         started        27 sh killall 18->27         started        29 sh killall 20->29         started        31 sh killall 20->31         started        33 sh killall 20->33         started        35 56 other processes 20->35 signatures9 51 Terminates several processes with shell command 'killall' 22->51
Threat name:
Linux.Backdoor.Bashlite
Status:
Malicious
First seen:
2025-07-15 04:49:21 UTC
File Type:
ELF32 Big (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:gafgyt defense_evasion discovery
Behaviour
Reads runtime system information
Changes its process name
Reads CPU attributes
Reads system network configuration
Enumerates running processes
Reads system routing table
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135944-0
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:botnet_plaintext_c2
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:Linux_Gafgyt_Generic
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 b610d74c294777d17830956258c5a5ed2c0a71b4031c7a748eefb6d4e8a1080b

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments