MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43ca73698787c75e2f7962010b55cbd378691d21c4a15b7de54c84018f6522f3. 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 2 File information Comments

SHA256 hash: 43ca73698787c75e2f7962010b55cbd378691d21c4a15b7de54c84018f6522f3
SHA3-384 hash: c578bd872087ae1b1d1ec9620df0fbdcc60cd78df669461146ee1ce502f2715a38445432027b964699eff02d72a917c5
SHA1 hash: ab21a0574b750856f0d8fa662f8a48e398c2d967
MD5 hash: 95fc5e2e350644d77ff7e351a3e97cfb
humanhash: artist-kitten-jupiter-blossom
File name:sshd
Download: download sample
Signature Mirai
File size:110'816 bytes
First seen:2025-07-15 18:08:22 UTC
Last seen:2025-07-16 04:28:31 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:nE2blKovSgYxoxMtCUwFjW+60zATh4p3R:nEEK+4Uj0rnA3R
TLSH T1D1B3F90E6E218FBEF66CC63447B34B20A75923D617F19581E2ACD9105F6028E546FFE4
telfhash t15b21301c8d7823e097761d9d1aedff77e5a130df4a266d2b8e00a96d69acd425e00c1c
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
Sends data to a server
Receives data from a server
Collects information on the CPU
Launching a process
Collects information on the OS
Connection attempt
Kills processes
Runs as daemon
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bash lolbin obfuscated obfuscated
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
92
Number of processes launched:
14
Processes remaning?
true
Remote TCP ports scanned:
23
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=fb7d5f0a-1a00-0000-0065-294a970a0000 pid=2711 /usr/bin/sudo guuid=7200690c-1a00-0000-0065-294a9e0a0000 pid=2718 /tmp/sample.bin guuid=fb7d5f0a-1a00-0000-0065-294a970a0000 pid=2711->guuid=7200690c-1a00-0000-0065-294a9e0a0000 pid=2718 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.evad
Score:
64 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Terminates several processes with shell command 'killall'
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1737425 Sample: sshd.elf Startdate: 15/07/2025 Architecture: LINUX Score: 64 37 46.6.213.173 XFERAES Spain 2->37 39 208.38.89.34 WINDSTREAMUS United States 2->39 41 99 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 9 sshd.elf 2->9         started        signatures3 process4 process5 11 sshd.elf 9->11         started        signatures6 49 Sample tries to kill multiple processes (SIGKILL) 11->49 14 sshd.elf sh 11->14         started        16 sshd.elf sh 11->16         started        18 sshd.elf sh 11->18         started        20 59 other processes 11->20 process7 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 47 Terminates several processes with shell command 'killall' 22->47
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-07-16 01:29:00 UTC
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:kyton defense_evasion discovery
Behaviour
Reads runtime system information
Changes its process name
Reads CPU attributes
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (100873) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7640011-0
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: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 43ca73698787c75e2f7962010b55cbd378691d21c4a15b7de54c84018f6522f3

(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