MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c78246314552232c91dc48daa6ce5f2c0c9aecc77e02428e2d39c5d960c6ecfa. 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: 13


Intelligence 13 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c78246314552232c91dc48daa6ce5f2c0c9aecc77e02428e2d39c5d960c6ecfa
SHA3-384 hash: 8f7122292df4b0ad8ab5d016bd4ba304379b1a4533cfef90b22285849f1fb69b194b004a38864d7d47b3e25bae734b25
SHA1 hash: e16342b3ede2438e0f513a511b34fea4e05def1b
MD5 hash: 9ad38e69ee6a41c0a35fab0bcc449426
humanhash: colorado-shade-august-red
File name:kvariant.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:87'976 bytes
First seen:2025-09-27 02:32:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:JhUcND9od452Akx7zxKeMiw1HXMw6CFT6sxe8o3O9Ixu:JhRD9Cekx7z0eI1Hcw36s07Omk
TLSH T16A835C53A49090FDC4D5E5788B9F9526DA22F07D2336F21E63C46F263E4DE202F5E249
telfhash t1033186b13e6e28a8a1ebb736634bc1a54cb10e2025d835e6dcb255e2df217910cf00b7
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 gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
57
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7540662-0
Create hunting rule

Unix.Exploit.Mirai-9795501-0
Create hunting rule

Unix.Exploit.Mirai-9798002-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Creating a process from a recently created file
Kills processes
Creating a file in the %temp% directory
DNS request
Runs as daemon
Creating a file
Sends data to a server
Connection attempt
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
CVE-2017-17215 gafgyt masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/68d74cfa6c140e5b35febe76/reports/dc80ce1e-b655-4484-aa54-a36a1376a471/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
12
Number of processes launched:
144
Processes remaning?
true
Remote TCP ports scanned:
37215,23
Full report:
https://elfdigest.com/brief/c78246314552232c91dc48daa6ce5f2c0c9aecc77e02428e2d39c5d960c6ecfa
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-09-26T20:53:00Z UTC
Last seen:
2025-09-26T20:53:00Z UTC
Hits:
~10
Detections:
HEUR:Exploit.Linux.CVE-2017-17215.a HEUR:Backdoor.Linux.Gafgyt.ge
Link:
https://opentip.kaspersky.com/c78246314552232c91dc48daa6ce5f2c0c9aecc77e02428e2d39c5d960c6ecfa/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c9134a0b-18d6-4851-9d30-0365403dbf15
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1785066
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to many IPs within the same subnet mask (likely port scanning)
Connects to many ports of the same IP (likely port scanning)
Drops files in suspicious directories
Drops invisible ELF files
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Reads system files that contain records of logged in users
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Writes identical ELF files to multiple locations
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1785066 Sample: kvariant.x86.elf Startdate: 27/09/2025 Architecture: LINUX Score: 100 143 223.8.175.10 CHINANET-BACKBONENo31Jin-rongStreetCN China 2->143 145 223.8.175.14 CHINANET-BACKBONENo31Jin-rongStreetCN China 2->145 147 99 other IPs or domains 2->147 149 Malicious sample detected (through community Yara rule) 2->149 151 Antivirus detection for dropped file 2->151 153 Antivirus / Scanner detection for submitted sample 2->153 155 4 other signatures 2->155 14 kvariant.x86.elf 2->14         started        16 xfce4-session xfce4-panel 2->16         started        18 xfce4-session xfce4-panel 2->18         started        20 14 other processes 2->20 signatures3 process4 signatures5 23 kvariant.x86.elf 14->23         started        25 xfce4-panel wrapper-2.0 16->25         started        27 xfce4-panel wrapper-2.0 16->27         started        29 xfce4-panel wrapper-2.0 16->29         started        35 9 other processes 16->35 31 xfce4-panel wrapper-2.0 18->31         started        37 11 other processes 18->37 163 Reads system files that contain records of logged in users 20->163 33 accounts-daemon language-validate 20->33         started        39 30 other processes 20->39 process6 process7 41 kvariant.x86.elf 23->41         started        44 language-validate language-options 33->44         started        signatures8 165 Drops files in suspicious directories 41->165 167 Sample tries to persist itself using cron 41->167 169 Sample tries to persist itself using System V runlevels 41->169 46 kvariant.x86.elf 41->46         started        50 kvariant.x86.elf 41->50         started        52 kvariant.x86.elf 41->52         started        56 12 other processes 41->56 54 language-options sh 44->54         started        process9 file10 133 /mnt/.k, ELF 46->133 dropped 173 Writes identical ELF files to multiple locations 46->173 175 Drops invisible ELF files 46->175 58 kvariant.x86.elf .k 46->58         started        135 /tmp/.k, ELF 50->135 dropped 60 kvariant.x86.elf .k 50->60         started        137 /etc/.k, ELF 52->137 dropped 62 kvariant.x86.elf .k 52->62         started        64 sh locale 54->64         started        66 sh grep 54->66         started        139 /run/.k, ELF 56->139 dropped 141 /dev/.k, ELF 56->141 dropped 177 Sample tries to kill multiple processes (SIGKILL) 56->177 179 Manipulation of devices in /dev 56->179 68 kvariant.x86.elf 56->68         started        70 kvariant.x86.elf 56->70         started        72 kvariant.x86.elf 56->72         started        74 5 other processes 56->74 signatures11 process12 process13 76 .k 58->76         started        78 .k 60->78         started        80 .k 62->80         started        process14 82 .k 76->82         started        86 .k 78->86         started        88 .k 80->88         started        file15 127 /etc/rc.local, ASCII 82->127 dropped 129 /etc/init.d/rcS, ASCII 82->129 dropped 131 /etc/crontab, ASCII 82->131 dropped 157 Drops files in suspicious directories 82->157 159 Sample tries to persist itself using cron 82->159 161 Sample tries to persist itself using System V runlevels 82->161 90 .k 82->90         started        103 14 other processes 82->103 93 .k 86->93         started        95 .k 86->95         started        97 .k 86->97         started        105 12 other processes 86->105 99 .k 88->99         started        101 .k 88->101         started        107 13 other processes 88->107 signatures16 process17 signatures18 109 .k 95->109         started        111 .k 97->111         started        171 Sample tries to kill multiple processes (SIGKILL) 99->171 113 .k 101->113         started        115 .k 103->115         started        121 5 other processes 103->121 117 .k 105->117         started        123 3 other processes 105->123 119 .k 107->119         started        125 4 other processes 107->125 process19
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c78246314552232c91dc48daa6ce5f2c0c9aecc77e02428e2d39c5d960c6ecfa
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c78246314552232c91dc48daa6ce5f2c0c9aecc77e02428e2d39c5d960c6ecfa/
Verdict:
Malicious
Threat:
Backdoor.Linux.Gafgyt
Link:
https://tip.neiki.dev/file/c78246314552232c91dc48daa6ce5f2c0c9aecc77e02428e2d39c5d960c6ecfa
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-09-27 02:19:50 UTC
File Type:
ELF64 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=y6bemmkfkirszeo4jdnknts7fqgjv3ghpybefdrnhhc5sygg5t5a._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/250927-c14ypaxmy7/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads process memory
Creates/modifies Cron job
Enumerates running processes
Modifies init.d
Modifies rc script
Executes dropped EXE
Contacts a large (180974) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7540662-0
YARA:
Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363
Link:
https://app.threat.zone/submission/8103351f-1f43-488e-b3bb-70205fb4b132
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/c78246314552232c91dc48daa6ce5f2c0c9aecc77e02428e2d39c5d960c6ecfa

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
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:CP_AllMal_Detector
Create hunting rule
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
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:unixredflags3
Create hunting rule
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 c78246314552232c91dc48daa6ce5f2c0c9aecc77e02428e2d39c5d960c6ecfa

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3620499/
  
Delivery method
Distributed via web download

Comments