MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23c81b361a96e2884bb187ba241e751cdab9f5da2f1dde37dd2c9c8e1505f9c8. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 23c81b361a96e2884bb187ba241e751cdab9f5da2f1dde37dd2c9c8e1505f9c8
SHA3-384 hash: b4b0311167a17de5342da8a7ca3cdb576ad7f7d066f5b8a8acf89301f700eb1b81bfa82c1f633f9ad37c0dfeef54c0f5
SHA1 hash: 64af5b52b3bc4d1660d5d8ae1cfdbeeea965c17e
MD5 hash: ef301c7e589495799bf8187b7447d4e0
humanhash: cardinal-mountain-nebraska-seven
File name:executor.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:55'316 bytes
First seen:2025-11-15 19:06:30 UTC
Last seen:2025-11-16 10:32:01 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:vE461DWtYyARBOXv3HaWqIshzw26e6N6DiTYwwvnW8Xgnouy8HyF:8RDE5XPHXziSBN6KsnW8XIoutG
TLSH T12143F14A04A9CF9CF51E8235F97E273E4AD074E9E629B1E10100BC615C692D83A1ABDF
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
File size (compressed) :55'316 bytes
File size (de-compressed) :137'580 bytes
Format:linux/i386
Unpacked file: 4c363fe34621a86f2e995f05684d45e239f06ea0a2c5e1e6f923e36bc2db933e

Intelligence

File Origin
# of uploads :
2
# of downloads :
49
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Runs as daemon
Opens a port
DNS request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated packed upx
Link:
https://www.filescan.io/uploads/6918cf696b39255366bf6d4d/reports/1558e611-dcca-40e7-babd-90f988b2348a/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
46
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/23c81b361a96e2884bb187ba241e751cdab9f5da2f1dde37dd2c9c8e1505f9c8
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-15T16:14:00Z UTC
Last seen:
2025-11-15T17:09:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r
Link:
https://opentip.kaspersky.com/23c81b361a96e2884bb187ba241e751cdab9f5da2f1dde37dd2c9c8e1505f9c8/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/6bef4776-9414-43ab-950b-0ed37b68ea17
Behavior Graph:
Download SVG
%3 guuid=aa04b8f9-1800-0000-1031-cb73540b0000 pid=2900 /usr/bin/sudo guuid=352177fb-1800-0000-1031-cb735b0b0000 pid=2907 /tmp/sample.bin net guuid=aa04b8f9-1800-0000-1031-cb73540b0000 pid=2900->guuid=352177fb-1800-0000-1031-cb735b0b0000 pid=2907 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=352177fb-1800-0000-1031-cb735b0b0000 pid=2907->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=b7306efc-1800-0000-1031-cb735d0b0000 pid=2909 /tmp/sample.bin guuid=352177fb-1800-0000-1031-cb735b0b0000 pid=2907->guuid=b7306efc-1800-0000-1031-cb735d0b0000 pid=2909 clone guuid=db60c628-1a00-0000-1031-cb73390d0000 pid=3385 /tmp/sample.bin guuid=352177fb-1800-0000-1031-cb735b0b0000 pid=2907->guuid=db60c628-1a00-0000-1031-cb73390d0000 pid=3385 clone guuid=8303d728-1a00-0000-1031-cb733a0d0000 pid=3386 /tmp/sample.bin net send-data zombie guuid=352177fb-1800-0000-1031-cb735b0b0000 pid=2907->guuid=8303d728-1a00-0000-1031-cb733a0d0000 pid=3386 clone guuid=e93078fc-1800-0000-1031-cb735e0b0000 pid=2910 /tmp/sample.bin guuid=b7306efc-1800-0000-1031-cb735d0b0000 pid=2909->guuid=e93078fc-1800-0000-1031-cb735e0b0000 pid=2910 clone guuid=decd7efc-1800-0000-1031-cb735f0b0000 pid=2911 /tmp/sample.bin dns net send-data zombie guuid=b7306efc-1800-0000-1031-cb735d0b0000 pid=2909->guuid=decd7efc-1800-0000-1031-cb735f0b0000 pid=2911 clone guuid=decd7efc-1800-0000-1031-cb735f0b0000 pid=2911->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 31B 6f28b6fa-4b33-50b2-a899-336a4c4fc217 bot.windy.wtf:6769 guuid=decd7efc-1800-0000-1031-cb735f0b0000 pid=2911->6f28b6fa-4b33-50b2-a899-336a4c4fc217 send: 10B guuid=8303d728-1a00-0000-1031-cb733a0d0000 pid=3386->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 930B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=8303d728-1a00-0000-1031-cb733a0d0000 pid=3386->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/da6d1208-6339-4b5d-a153-52341b527594
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1814722
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1814722 Sample: executor.i686.elf Startdate: 15/11/2025 Architecture: LINUX Score: 60 22 169.254.169.254, 80 USDOSUS Reserved 2->22 24 bot.windy.wtf 143.20.185.102, 60728, 6769 LANCAMANTOANISERVICOSDEINFORMATICALTDA-MEBR United States 2->24 26 2 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Sample is packed with UPX 2->32 8 executor.i686.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 executor.i686.elf 8->12         started        14 executor.i686.elf 8->14         started        16 executor.i686.elf 8->16         started        process6 18 executor.i686.elf 12->18         started        20 executor.i686.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/23c81b361a96e2884bb187ba241e751cdab9f5da2f1dde37dd2c9c8e1505f9c8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/23c81b361a96e2884bb187ba241e751cdab9f5da2f1dde37dd2c9c8e1505f9c8/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/23c81b361a96e2884bb187ba241e751cdab9f5da2f1dde37dd2c9c8e1505f9c8
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-15 19:07:18 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=epebwnq2s3riqs5rq65cihtvdtnlt5o2f4o54n65fsoi4fif7hea._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/251115-xsr95sbq7x/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/5d30ebcd-e85e-4f9f-949c-8f438e155f44
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/23c81b361a96e2884bb187ba241e751cdab9f5da2f1dde37dd2c9c8e1505f9c8

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 23c81b361a96e2884bb187ba241e751cdab9f5da2f1dde37dd2c9c8e1505f9c8

(this sample)

Mirai

elf 4c363fe34621a86f2e995f05684d45e239f06ea0a2c5e1e6f923e36bc2db933e

  
URLhaus
https://urlhaus.abuse.ch/url/3688224/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 4c363fe34621a86f2e995f05684d45e239f06ea0a2c5e1e6f923e36bc2db933e
  
Dropping
MD5 b07bd5a829b2904f79845fbf0ae5e10b

Comments