MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2e248bd89aa30d5b3a587ccb1a3887fe3704235de67c9d1afea73e9510a4fc8. 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: b2e248bd89aa30d5b3a587ccb1a3887fe3704235de67c9d1afea73e9510a4fc8
SHA3-384 hash: ccddcfb005d474376fd9612fe6c7dddd2251c18e7741225262ce80a2320585697cc3d01b91bff5f5e7a1369f84dccada
SHA1 hash: d6d1b2b232704ebae13487a7444d989d7bb707be
MD5 hash: 7f04c0d7472bb199f3421972270a53b7
humanhash: india-red-finch-alaska
File name:kvariant.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:87'976 bytes
First seen:2025-09-26 04:29:04 UTC
Last seen:2025-09-26 06:15:23 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:0Gupg9nYcJAkusuTxMuR1j5M7/W3UKJ8uB7FBR3LCrRu:0DMMknuTTR1j5QO1JlN1LkE
TLSH T119835B13908090FDC4E9D5788BAFE526D923F03E1272B21E67D46E273E8DF606B4E255
telfhash t18c319879396e2d94b2e7b770730ac1a51c611e6410e178e29cf261f2df233914cb20e3
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 :
2
# of downloads :
46
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
Creating a process from a recently created file
DNS request
Receives data from a server
Runs as daemon
Connection attempt
Creating a file in the %temp% directory
Kills processes
Sends data to a server
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
CVE-2017-17215 gafgyt masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/68d616b274e5a289899419ec/reports/72e077f1-4b2c-4405-933d-2b36ec5d17ac/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
11
Number of processes launched:
18
Processes remaning?
true
Remote TCP ports scanned:
37215,23
Full report:
https://elfdigest.com/brief/b2e248bd89aa30d5b3a587ccb1a3887fe3704235de67c9d1afea73e9510a4fc8
Behaviour
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:
2025-09-25T21:49:00Z UTC
Last seen:
2025-09-25T21:49:00Z UTC
Hits:
~10
Detections:
HEUR:Exploit.Linux.CVE-2017-17215.a HEUR:Backdoor.Linux.Gafgyt.ge
Link:
https://opentip.kaspersky.com/b2e248bd89aa30d5b3a587ccb1a3887fe3704235de67c9d1afea73e9510a4fc8/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/19dd0267-0504-4381-8907-6d244c8ea4a0
Behavior Graph:
Download SVG
%3 guuid=cce53b5f-1800-0000-2b38-a6bb3f0c0000 pid=3135 /usr/bin/sudo guuid=d9330262-1800-0000-2b38-a6bb470c0000 pid=3143 /tmp/sample.bin guuid=cce53b5f-1800-0000-2b38-a6bb3f0c0000 pid=3135->guuid=d9330262-1800-0000-2b38-a6bb470c0000 pid=3143 execve guuid=f74a2a62-1800-0000-2b38-a6bb480c0000 pid=3144 /tmp/sample.bin zombie guuid=d9330262-1800-0000-2b38-a6bb470c0000 pid=3143->guuid=f74a2a62-1800-0000-2b38-a6bb480c0000 pid=3144 clone guuid=4bd23362-1800-0000-2b38-a6bb490c0000 pid=3145 /tmp/sample.bin dns net send-data zombie guuid=f74a2a62-1800-0000-2b38-a6bb480c0000 pid=3144->guuid=4bd23362-1800-0000-2b38-a6bb490c0000 pid=3145 clone 4f6baed0-9587-596c-82b3-fd721afe4cc1 10.0.2.3:53 guuid=4bd23362-1800-0000-2b38-a6bb490c0000 pid=3145->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 35B 3eea8321-7a1a-53e3-8cc5-fd3fbfba42a6 auth.binaries.lol:41323 guuid=4bd23362-1800-0000-2b38-a6bb490c0000 pid=3145->3eea8321-7a1a-53e3-8cc5-fd3fbfba42a6 send: 11B guuid=c6c281b1-1800-0000-2b38-a6bba20c0000 pid=3234 /tmp/sample.bin guuid=4bd23362-1800-0000-2b38-a6bb490c0000 pid=3145->guuid=c6c281b1-1800-0000-2b38-a6bba20c0000 pid=3234 clone guuid=95a589b1-1800-0000-2b38-a6bba30c0000 pid=3235 /tmp/sample.bin write-file guuid=4bd23362-1800-0000-2b38-a6bb490c0000 pid=3145->guuid=95a589b1-1800-0000-2b38-a6bba30c0000 pid=3235 clone guuid=faee91b1-1800-0000-2b38-a6bba50c0000 pid=3237 /tmp/sample.bin guuid=4bd23362-1800-0000-2b38-a6bb490c0000 pid=3145->guuid=faee91b1-1800-0000-2b38-a6bba50c0000 pid=3237 clone guuid=be4197b1-1800-0000-2b38-a6bba60c0000 pid=3238 /tmp/sample.bin net net-scan send-data guuid=4bd23362-1800-0000-2b38-a6bb490c0000 pid=3145->guuid=be4197b1-1800-0000-2b38-a6bba60c0000 pid=3238 clone guuid=faf69cb1-1800-0000-2b38-a6bba70c0000 pid=3239 /tmp/sample.bin net net-scan send-data guuid=4bd23362-1800-0000-2b38-a6bb490c0000 pid=3145->guuid=faf69cb1-1800-0000-2b38-a6bba70c0000 pid=3239 clone guuid=0c168eb1-1800-0000-2b38-a6bba40c0000 pid=3236 /tmp/sample.bin guuid=c6c281b1-1800-0000-2b38-a6bba20c0000 pid=3234->guuid=0c168eb1-1800-0000-2b38-a6bba40c0000 pid=3236 clone guuid=24b6dbb1-1800-0000-2b38-a6bba80c0000 pid=3240 /tmp/.k guuid=95a589b1-1800-0000-2b38-a6bba30c0000 pid=3235->guuid=24b6dbb1-1800-0000-2b38-a6bba80c0000 pid=3240 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=be4197b1-1800-0000-2b38-a6bba60c0000 pid=3238->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 0b05fa0a-899d-5c95-aea8-88d83329c309 112.198.135.10:23 guuid=be4197b1-1800-0000-2b38-a6bba60c0000 pid=3238->0b05fa0a-899d-5c95-aea8-88d83329c309 send: 40B guuid=be4197b1-1800-0000-2b38-a6bba60c0000 pid=3238|send-data send-data to 4097 IP addresses review logs to see them all guuid=be4197b1-1800-0000-2b38-a6bba60c0000 pid=3238->guuid=be4197b1-1800-0000-2b38-a6bba60c0000 pid=3238|send-data send guuid=faf69cb1-1800-0000-2b38-a6bba70c0000 pid=3239->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=faf69cb1-1800-0000-2b38-a6bba70c0000 pid=3239|send-data send-data to 4094 IP addresses review logs to see them all guuid=faf69cb1-1800-0000-2b38-a6bba70c0000 pid=3239->guuid=faf69cb1-1800-0000-2b38-a6bba70c0000 pid=3239|send-data send guuid=bd7481b2-1800-0000-2b38-a6bba90c0000 pid=3241 /tmp/.k zombie guuid=24b6dbb1-1800-0000-2b38-a6bba80c0000 pid=3240->guuid=bd7481b2-1800-0000-2b38-a6bba90c0000 pid=3241 clone guuid=0fd185b3-1800-0000-2b38-a6bbaa0c0000 pid=3242 /tmp/.k dns net send-data zombie guuid=bd7481b2-1800-0000-2b38-a6bba90c0000 pid=3241->guuid=0fd185b3-1800-0000-2b38-a6bbaa0c0000 pid=3242 clone guuid=0fd185b3-1800-0000-2b38-a6bbaa0c0000 pid=3242->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 35B guuid=0fd185b3-1800-0000-2b38-a6bbaa0c0000 pid=3242->3eea8321-7a1a-53e3-8cc5-fd3fbfba42a6 send: 11B guuid=074e0d05-1900-0000-2b38-a6bb0e0d0000 pid=3342 /tmp/.k guuid=0fd185b3-1800-0000-2b38-a6bbaa0c0000 pid=3242->guuid=074e0d05-1900-0000-2b38-a6bb0e0d0000 pid=3342 clone guuid=140f1105-1900-0000-2b38-a6bb0f0d0000 pid=3343 /tmp/.k guuid=0fd185b3-1800-0000-2b38-a6bbaa0c0000 pid=3242->guuid=140f1105-1900-0000-2b38-a6bb0f0d0000 pid=3343 clone guuid=f48e1305-1900-0000-2b38-a6bb110d0000 pid=3345 /tmp/.k guuid=0fd185b3-1800-0000-2b38-a6bbaa0c0000 pid=3242->guuid=f48e1305-1900-0000-2b38-a6bb110d0000 pid=3345 clone guuid=a8ce1505-1900-0000-2b38-a6bb120d0000 pid=3346 /tmp/.k net net-scan send-data guuid=0fd185b3-1800-0000-2b38-a6bbaa0c0000 pid=3242->guuid=a8ce1505-1900-0000-2b38-a6bb120d0000 pid=3346 clone guuid=a4bc1805-1900-0000-2b38-a6bb130d0000 pid=3347 /tmp/.k net net-scan send-data guuid=0fd185b3-1800-0000-2b38-a6bbaa0c0000 pid=3242->guuid=a4bc1805-1900-0000-2b38-a6bb130d0000 pid=3347 clone guuid=1cc01205-1900-0000-2b38-a6bb100d0000 pid=3344 /tmp/.k guuid=074e0d05-1900-0000-2b38-a6bb0e0d0000 pid=3342->guuid=1cc01205-1900-0000-2b38-a6bb100d0000 pid=3344 clone guuid=a8ce1505-1900-0000-2b38-a6bb120d0000 pid=3346->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con c6b9c2e9-b880-565a-93d2-47192359699a 113.161.51.249:23 guuid=a8ce1505-1900-0000-2b38-a6bb120d0000 pid=3346->c6b9c2e9-b880-565a-93d2-47192359699a con guuid=a8ce1505-1900-0000-2b38-a6bb120d0000 pid=3346|send-data send-data to 4097 IP addresses review logs to see them all guuid=a8ce1505-1900-0000-2b38-a6bb120d0000 pid=3346->guuid=a8ce1505-1900-0000-2b38-a6bb120d0000 pid=3346|send-data send guuid=a4bc1805-1900-0000-2b38-a6bb130d0000 pid=3347->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=a4bc1805-1900-0000-2b38-a6bb130d0000 pid=3347|send-data send-data to 4097 IP addresses review logs to see them all guuid=a4bc1805-1900-0000-2b38-a6bb130d0000 pid=3347->guuid=a4bc1805-1900-0000-2b38-a6bb130d0000 pid=3347|send-data send
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/84033872-bf84-4d5d-8aa5-13ffebda6ad0
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1784563
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 invisible ELF files
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Reads system files that contain records of logged in users
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1784563 Sample: kvariant.x86.elf Startdate: 26/09/2025 Architecture: LINUX Score: 100 84 197.213.176.82 ZAIN-ZAMBIAZM Zambia 2->84 86 98.137.77.192 YAHOO-GQ1US United States 2->86 88 100 other IPs or domains 2->88 94 Malicious sample detected (through community Yara rule) 2->94 96 Antivirus detection for dropped file 2->96 98 Antivirus / Scanner detection for submitted sample 2->98 100 4 other signatures 2->100 14 kvariant.x86.elf 2->14         started        16 xfce4-session xfce4-panel 2->16         started        18 xfce4-session xfce4-panel 2->18         started        20 15 other processes 2->20 signatures3 process4 signatures5 23 kvariant.x86.elf 14->23         started        25 xfce4-panel wrapper-2.0 16->25         started        35 11 other processes 16->35 27 xfce4-panel wrapper-2.0 18->27         started        37 11 other processes 18->37 102 Reads system files that contain records of logged in users 20->102 29 accounts-daemon language-validate 20->29         started        31 xfce4-panel wrapper-2.0 20->31         started        33 xfce4-panel wrapper-2.0 20->33         started        39 27 other processes 20->39 process6 process7 41 kvariant.x86.elf 23->41         started        43 wrapper-2.0 xfpm-power-backlight-helper 25->43         started        45 language-validate language-options 29->45         started        process8 47 kvariant.x86.elf 41->47         started        51 kvariant.x86.elf 41->51         started        53 kvariant.x86.elf 41->53         started        57 2 other processes 41->57 55 language-options sh 45->55         started        file9 82 /tmp/.k, ELF 47->82 dropped 90 Drops invisible ELF files 47->90 59 kvariant.x86.elf .k 47->59         started        92 Sample tries to kill multiple processes (SIGKILL) 51->92 61 kvariant.x86.elf 53->61         started        63 sh locale 55->63         started        65 sh grep 55->65         started        signatures10 process11 process12 67 .k 59->67         started        process13 69 .k 67->69         started        process14 71 .k 69->71         started        74 .k 69->74         started        76 .k 69->76         started        78 2 other processes 69->78 signatures15 104 Sample tries to kill multiple processes (SIGKILL) 71->104 80 .k 74->80         started        process16
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b2e248bd89aa30d5b3a587ccb1a3887fe3704235de67c9d1afea73e9510a4fc8
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b2e248bd89aa30d5b3a587ccb1a3887fe3704235de67c9d1afea73e9510a4fc8/
Verdict:
Malicious
Threat:
Backdoor.Linux.Gafgyt
Link:
https://tip.neiki.dev/file/b2e248bd89aa30d5b3a587ccb1a3887fe3704235de67c9d1afea73e9510a4fc8
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-09-26 04:29:37 UTC
File Type:
ELF64 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wlrerpmjviynlm5fq7gldi4ip7rxaqrv3zt4tunp5jz6suikj7ea._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access discovery linux
Link:
https://tria.ge/reports/250926-e4k14atshv/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads process memory
Enumerates running processes
Executes dropped EXE
Contacts a large (73589) 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/2ef0e763-ee12-4dd0-b7ce-4b359dc97bd7
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/b2e248bd89aa30d5b3a587ccb1a3887fe3704235de67c9d1afea73e9510a4fc8

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 b2e248bd89aa30d5b3a587ccb1a3887fe3704235de67c9d1afea73e9510a4fc8

(this sample)

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

Comments