MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42361156b2e28ad8a9b04dd2093d9358ad5e2c58f19c94a0eabae889a8decaee. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments

SHA256 hash: 42361156b2e28ad8a9b04dd2093d9358ad5e2c58f19c94a0eabae889a8decaee
SHA3-384 hash: 5046e4a25d48fda3abc25305b89cd09095af139d701c99503a3d89fccf71061292b539c757f746de230dd36c95aa0d35
SHA1 hash: 86edfe6c2723e44df5d89ed29297a5f337abd342
MD5 hash: f2c2ef5ac5a508d14bfc89a83bda0c48
humanhash: delaware-lima-thirteen-india
File name:kvariant.mips
Download: download sample
Signature Mirai
File size:122'084 bytes
First seen:2025-09-27 04:28:21 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:kts848RE2+WCq0Qra5lgYLEH0Ade8Pg4kenQAqEsRSDp2tX7O:0QpbgUEHhF44LQAqY6K
TLSH T1C7C3A71B6E218FBEF269C7344BB74E21A75823C627F1C681D29CD5141E643CD681FBA8
telfhash t1dd21b31c497823e097761c9d1aedff76e19130df5b262d278e11e9acaabdc825d00c1c
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
59
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Sends data to a server
Creating a file
Receives data from a server
Kills processes
Connection attempt
DNS request
Creating a process from a recently created file
Runs as daemon
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Performs a bruteforce attack in the network
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
12
Number of processes launched:
144
Processes remaning?
true
Remote TCP ports scanned:
23,37215
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-09-27T01:34:00Z UTC
Last seen:
2025-09-27T01:34:00Z UTC
Hits:
~10
Detections:
HEUR:Exploit.Linux.CVE-2017-17215.a HEUR:Backdoor.Linux.Gafgyt.ge
Status:
terminated
Behavior Graph:
%3 guuid=73ebdc01-1700-0000-8f52-ef84c10d0000 pid=3521 /usr/bin/sudo guuid=9495d005-1700-0000-8f52-ef84c30d0000 pid=3523 /tmp/sample.bin guuid=73ebdc01-1700-0000-8f52-ef84c10d0000 pid=3521->guuid=9495d005-1700-0000-8f52-ef84c30d0000 pid=3523 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1785083 Sample: kvariant.mips.elf Startdate: 27/09/2025 Architecture: LINUX Score: 72 20 109.202.202.202, 80 INIT7CH Switzerland 2->20 22 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->22 24 2 other IPs or domains 2->24 26 Antivirus / Scanner detection for submitted sample 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected Mirai 2->30 8 dash rm kvariant.mips.elf 2->8         started        10 dash rm 2->10         started        12 dash cut 2->12         started        14 7 other processes 2->14 signatures3 process4 process5 16 kvariant.mips.elf 8->16         started        process6 18 kvariant.mips.elf 16->18         started       
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-09-27 04:29:32 UTC
File Type:
ELF32 Big (Exe)
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access discovery execution persistence privilege_escalation
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Reads process memory
Creates/modifies Cron job
Modifies init.d
Modifies rc script
Executes dropped EXE
Contacts a large (118090) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-8041698-0
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:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 42361156b2e28ad8a9b04dd2093d9358ad5e2c58f19c94a0eabae889a8decaee

(this sample)

  
Delivery method
Distributed via web download

Comments