MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa1065d40b7d684f439ac17e97f552bf229667afbf3507546206774c2df96665. 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 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aa1065d40b7d684f439ac17e97f552bf229667afbf3507546206774c2df96665
SHA3-384 hash: 0cb3e640302cacd2e386bf1866d299a64a57477cab1e48ce600a81a1a95fb0061fac040da7849aa40857cd479baeb01d
SHA1 hash: 4acfd577f8b6501ac96425435e1bc312d47450c1
MD5 hash: 33784cad5827fdf6450f5757c952a41f
humanhash: harry-utah-orange-mexico
File name:kvariant.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:75'688 bytes
First seen:2025-10-23 23:44:42 UTC
Last seen:2025-10-24 22:23:40 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:25R7wtIAkNDB/VX1+/nH0s1vRCgGO38ZFhuA:uRUtPkNDzFEUs1JC1y8jU
TLSH T13F736B136080C1FDC59AD6745F6FA566E633F0AE5235F61E63D4AE222E09E302F1F285
telfhash t11731753139aa58a0a0ebf631b306d0d45e370e3015e578d6e9f2b9f5ce217c64e52823
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 :
64
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
Connection attempt
DNS request
Runs as daemon
Receives data from a server
Sends data to a server
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated
Link:
https://www.filescan.io/uploads/68fabe383a79800405f3e43f/reports/9f503a87-e9b2-410f-a77c-291d7f4c07bc/overview
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-10-23T21:40:00Z UTC
Last seen:
2025-10-23T22:25:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/aa1065d40b7d684f439ac17e97f552bf229667afbf3507546206774c2df96665/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/7fc54536-8a61-440b-ad28-9df322cb98b0
Behavior Graph:
Download SVG
%3 guuid=1a9b1505-1900-0000-9075-3e5151140000 pid=5201 /usr/bin/sudo guuid=9bbce007-1900-0000-9075-3e5152140000 pid=5202 /tmp/sample.bin guuid=1a9b1505-1900-0000-9075-3e5151140000 pid=5201->guuid=9bbce007-1900-0000-9075-3e5152140000 pid=5202 execve guuid=deae0b08-1900-0000-9075-3e5153140000 pid=5203 /tmp/sample.bin zombie guuid=9bbce007-1900-0000-9075-3e5152140000 pid=5202->guuid=deae0b08-1900-0000-9075-3e5153140000 pid=5203 clone guuid=78be1408-1900-0000-9075-3e5154140000 pid=5204 /tmp/sample.bin dns net send-data zombie guuid=deae0b08-1900-0000-9075-3e5153140000 pid=5203->guuid=78be1408-1900-0000-9075-3e5154140000 pid=5204 clone 4f6baed0-9587-596c-82b3-fd721afe4cc1 10.0.2.3:53 guuid=78be1408-1900-0000-9075-3e5154140000 pid=5204->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 35B 3eea8321-7a1a-53e3-8cc5-fd3fbfba42a6 auth.binaries.lol:41323 guuid=78be1408-1900-0000-9075-3e5154140000 pid=5204->3eea8321-7a1a-53e3-8cc5-fd3fbfba42a6 send: 11B guuid=908d9c54-1900-0000-9075-3e5160140000 pid=5216 /tmp/sample.bin net net-scan send-data guuid=78be1408-1900-0000-9075-3e5154140000 pid=5204->guuid=908d9c54-1900-0000-9075-3e5160140000 pid=5216 clone guuid=50e4a554-1900-0000-9075-3e5161140000 pid=5217 /tmp/sample.bin net net-scan send-data guuid=78be1408-1900-0000-9075-3e5154140000 pid=5204->guuid=50e4a554-1900-0000-9075-3e5161140000 pid=5217 clone 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=908d9c54-1900-0000-9075-3e5160140000 pid=5216->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=908d9c54-1900-0000-9075-3e5160140000 pid=5216|send-data send-data to 4097 IP addresses review logs to see them all guuid=908d9c54-1900-0000-9075-3e5160140000 pid=5216->guuid=908d9c54-1900-0000-9075-3e5160140000 pid=5216|send-data send guuid=50e4a554-1900-0000-9075-3e5161140000 pid=5217->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=50e4a554-1900-0000-9075-3e5161140000 pid=5217|send-data send-data to 4096 IP addresses review logs to see them all guuid=50e4a554-1900-0000-9075-3e5161140000 pid=5217->guuid=50e4a554-1900-0000-9075-3e5161140000 pid=5217|send-data send
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/674b327e-1b12-4d7f-afa5-ce9ba8e37621
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1801011
Signature
Antivirus / Scanner detection for submitted sample
Connects to many IPs within the same subnet mask (likely port scanning)
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1801011 Sample: kvariant.x86.elf Startdate: 24/10/2025 Architecture: LINUX Score: 88 21 223.8.151.40, 37215 CHINANET-BACKBONENo31Jin-rongStreetCN China 2->21 23 223.8.151.41 CHINANET-BACKBONENo31Jin-rongStreetCN China 2->23 25 100 other IPs or domains 2->25 27 Malicious sample detected (through community Yara rule) 2->27 29 Antivirus / Scanner detection for submitted sample 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 3 other signatures 2->33 9 kvariant.x86.elf 2->9         started        11 python3.8 dpkg 2->11         started        signatures3 process4 process5 13 kvariant.x86.elf 9->13         started        process6 15 kvariant.x86.elf 13->15         started        process7 17 kvariant.x86.elf 15->17         started        19 kvariant.x86.elf 15->19         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/aa1065d40b7d684f439ac17e97f552bf229667afbf3507546206774c2df96665
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/aa1065d40b7d684f439ac17e97f552bf229667afbf3507546206774c2df96665/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-10-23 23:45:53 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=viiglvalpvue6q42yf7jp5ksx4rjmz5px42qovdcaz3uylpzmzsq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery linux
Link:
https://tria.ge/reports/251023-3r6zssbt7c/
Behaviour
Changes its process name
Contacts a large (35257) 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/c837fc54-16c7-4ebf-9fa8-5f883e6b0956
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/aa1065d40b7d684f439ac17e97f552bf229667afbf3507546206774c2df96665

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: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_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 aa1065d40b7d684f439ac17e97f552bf229667afbf3507546206774c2df96665

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3684801/
  
Delivery method
Distributed via web download

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