MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3fa8af593e4e2910b206e31b9e95a24429890ec2380319c3a1efe5ec7e780c53. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3fa8af593e4e2910b206e31b9e95a24429890ec2380319c3a1efe5ec7e780c53
SHA3-384 hash: 66a3c474a18d08c8db69abf70a1951026217451483e9503f14b481531f25a087c0e42c26d7eff6b8c882d6208d17bfd3
SHA1 hash: 44975b3ddb1729deae5a3823b143372bb7f2cd08
MD5 hash: 43314de0e24264a859c19ac5770e24bc
humanhash: cola-october-mississippi-california
File name:px86
Download: download sample
Signature Mirai
Create hunting rule
File size:59'152 bytes
First seen:2025-10-29 15:28:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:ZyN5z8bAOpvnd02e98v2POtI7ihBDY+JSz0RZ17+v2nzhNKSM:0N5wUOpvnReO2WtY+gz0r1K+nM
TLSH T1B8437CC4AA83E4F5FC9701751033A73B5A72F4351069DA87C769D83BBC52A11EA2B39C
telfhash t1ee31d5eb2daa08ecb7c4ac08c35f2e931a36d637067075f445b648a536f29c18479c7a
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 mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 1777cf7935d3c66a436d87edccfd3272c1abf6651c7f60a483dba9a26591c4c1
File size (compressed) :32'276 bytes
File size (de-compressed) :59'152 bytes
Format:linux/i386
Packed file: 1777cf7935d3c66a436d87edccfd3272c1abf6651c7f60a483dba9a26591c4c1

Intelligence

File Origin
# of uploads :
1
# of downloads :
33
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-9857931-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Unix.Trojan.Mirai-9866113-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
Kills processes
Opens a port
Sends data to a server
Substitutes an application name
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/69024f8c479a4e95b80f244e/reports/6f673a1b-d99c-4a20-8de3-f4afeb30860b/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-29T15:53:00Z UTC
Last seen:
2025-10-29T18:02:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/3fa8af593e4e2910b206e31b9e95a24429890ec2380319c3a1efe5ec7e780c53/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/4454a4d3-fa26-4498-b481-c0757d4352f8
Behavior Graph:
Download SVG
%3 guuid=fbfb3ab0-1800-0000-6fbd-89f0030c0000 pid=3075 /usr/bin/sudo guuid=fd4ff7b1-1800-0000-6fbd-89f0040c0000 pid=3076 /tmp/sample.bin delete-file net guuid=fbfb3ab0-1800-0000-6fbd-89f0030c0000 pid=3075->guuid=fd4ff7b1-1800-0000-6fbd-89f0040c0000 pid=3076 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=fd4ff7b1-1800-0000-6fbd-89f0040c0000 pid=3076->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=2b5f71b2-1800-0000-6fbd-89f0050c0000 pid=3077 /tmp/sample.bin net send-data zombie guuid=fd4ff7b1-1800-0000-6fbd-89f0040c0000 pid=3076->guuid=2b5f71b2-1800-0000-6fbd-89f0050c0000 pid=3077 clone 58a084c5-9e6b-5745-90ad-9f44a64dfe1c 45.138.16.158:18129 guuid=2b5f71b2-1800-0000-6fbd-89f0050c0000 pid=3077->58a084c5-9e6b-5745-90ad-9f44a64dfe1c send: 2B guuid=535080b2-1800-0000-6fbd-89f0060c0000 pid=3078 /tmp/sample.bin guuid=2b5f71b2-1800-0000-6fbd-89f0050c0000 pid=3077->guuid=535080b2-1800-0000-6fbd-89f0060c0000 pid=3078 clone guuid=5bd186b2-1800-0000-6fbd-89f0070c0000 pid=3079 /tmp/sample.bin guuid=2b5f71b2-1800-0000-6fbd-89f0050c0000 pid=3077->guuid=5bd186b2-1800-0000-6fbd-89f0070c0000 pid=3079 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cbaa9646-ac59-4778-8dc4-3ad256dfd702
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1804613
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1804613 Sample: px86.elf Startdate: 29/10/2025 Architecture: LINUX Score: 76 17 45.138.16.158, 18129 SPECTRAIPSpectraIPBVNL Netherlands 2->17 19 Malicious sample detected (through community Yara rule) 2->19 21 Antivirus / Scanner detection for submitted sample 2->21 23 Multi AV Scanner detection for submitted file 2->23 25 Yara detected Mirai 2->25 8 px86.elf 2->8         started        signatures3 process4 signatures5 27 Sample deletes itself 8->27 11 px86.elf 8->11         started        process6 process7 13 px86.elf 11->13         started        15 px86.elf 11->15         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3fa8af593e4e2910b206e31b9e95a24429890ec2380319c3a1efe5ec7e780c53
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3fa8af593e4e2910b206e31b9e95a24429890ec2380319c3a1efe5ec7e780c53/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-29 18:21:46 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h6uk6wj6jyurbmqg4mnz5fnciquysdwchabrtq5b57s6y7tybrjq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:mirai defense_evasion discovery linux
Link:
https://tria.ge/reports/251029-v3nnlaaq5t/
Behaviour
Reads runtime system information
Changes its process name
Deletes itself
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-9857931-0
YARA:
Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Link:
https://app.threat.zone/submission/f9995d61-7c3d-4d57-bc18-898a644bf283
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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
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

sh 95ef05ede0b3f96e2d0c452bfd1ae223bda85853bf8cb72106fd45561c983a2f

Mirai

elf 1777cf7935d3c66a436d87edccfd3272c1abf6651c7f60a483dba9a26591c4c1

Mirai

elf 3fa8af593e4e2910b206e31b9e95a24429890ec2380319c3a1efe5ec7e780c53

(this sample)

  
Dropped by
SHA256 1777cf7935d3c66a436d87edccfd3272c1abf6651c7f60a483dba9a26591c4c1
  
URLhaus
https://urlhaus.abuse.ch/url/3609506/
  
Delivery method
Distributed via web download

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