MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e3cf8a238ba81b01944872d5f3b8399ab6d0083bf8c3b2e81fd0754b8d4db093. 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 24 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e3cf8a238ba81b01944872d5f3b8399ab6d0083bf8c3b2e81fd0754b8d4db093
SHA3-384 hash: c3c0c3335b722320b185e1f7a610048ef995a159a7a05bfde74444be0330e502b84325549762a86fd2052577c3d11e20
SHA1 hash: 0a615cf09b346717b8945575a7da63b5a0cbff69
MD5 hash: dce3985456f8a3c02d3cf25f3b65dc88
humanhash: romeo-moon-don-batman
File name:kaitor.i586
Download: download sample
Signature Mirai
Create hunting rule
File size:168'136 bytes
First seen:2025-07-11 15:49:35 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:C9a31/16QOOKNvakbowPA35H7lR0fKpHE+kt+Bkmv/aGYDMHZ5qSQ3m:CI+QOTvbY35bz0fH+i+Gmv/aGYDMHZ5X
TLSH T1E9F35C02A741D5F3C19309F612978B650131E93A5A2BDD8AF77C2CB8EB25185B339B7C
telfhash t19051750698798e2d3f725c549c6c6bb2101eab2761663eb1bf79c48c4632092e17ec4b
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 :
16
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28962.LCM.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28961.LCM.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28960.LCM.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Gafgyt-6981154-0
Create hunting rule

Unix.Trojan.Tsunami-6981155-0
Create hunting rule

Unix.Trojan.Mirai-6981158-0
Create hunting rule

Unix.Trojan.Tsunami-6981163-0
Create hunting rule

Unix.Dropper.Mirai-7135868-0
Create hunting rule

Unix.Dropper.Mirai-7135891-0
Create hunting rule

Unix.Dropper.Mirai-7135892-0
Create hunting rule

Unix.Trojan.Mirai-7135981-0
Create hunting rule

Unix.Dropper.Mirai-7135987-0
Create hunting rule

Unix.Dropper.Mirai-7136034-0
Create hunting rule

Unix.Dropper.Mirai-7136072-0
Create hunting rule

Unix.Dropper.Mirai-7136105-0
Create hunting rule

Unix.Dropper.Mirai-7139223-0
Create hunting rule

Unix.Trojan.Mirai-7139482-0
Create hunting rule

Unix.Trojan.Mirai-9853183-0
Create hunting rule

Unix.Trojan.Mirai-9886461-0
Create hunting rule

Unix.Trojan.Mirai-9907057-0
Create hunting rule

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

Unix.Trojan.Mirai-10027280-0
Create hunting rule

Unix.Trojan.Mirai-5607483-0
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=687132eac9eb9747376860bblinux22vpnfull_triage
Tags:
malware
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc lolbin mirai obfuscated obfuscated remote
Link:
https://www.filescan.io/uploads/687132d530bf7333233762b8/reports/0bcdd422-5957-481d-ae19-cfe4cec3eaf1/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
3
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/e3cf8a238ba81b01944872d5f3b8399ab6d0083bf8c3b2e81fd0754b8d4db093
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/92beb4eb-e257-4057-822b-0177cb17e504
Behavior Graph:
Download SVG
%3 guuid=5866aa28-1a00-0000-f380-2a898b090000 pid=2443 /usr/bin/sudo guuid=1be80b2b-1a00-0000-f380-2a898c090000 pid=2444 /tmp/sample.bin guuid=5866aa28-1a00-0000-f380-2a898b090000 pid=2443->guuid=1be80b2b-1a00-0000-f380-2a898c090000 pid=2444 execve
Malware family:
Tsunami
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a06d0bc5-f212-4348-ae67-f11fc6d55f38
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1734005
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/e3cf8a238ba81b01944872d5f3b8399ab6d0083bf8c3b2e81fd0754b8d4db093
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e3cf8a238ba81b01944872d5f3b8399ab6d0083bf8c3b2e81fd0754b8d4db093/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-07-10 13:47:02 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4phyui4lvanqdfciolk7hobztk3nacb37db3f2a72b2uxdknwcjq._file
Result
Malware family:
kaiten
Create hunting rule
Score:
  10/10
Tags:
family:kaiten discovery linux
Link:
https://tria.ge/reports/250711-s97c6sxvf1/
Behaviour
Reads runtime system information
Verdict:
Malicious
Tags:
botnet mirai backdoor kaiten trojan tsunami gafgyt Unix.Trojan.Gafgyt-6981154-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_1 Kaiten Linux_Trojan_Gafgyt_c573932b Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Gafgyt_750fe002 Linux_Trojan_Gafgyt_7167d08f Linux_Trojan_Mirai_0bce98a2 Linux_Trojan_Mirai_95e0056c Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Tsunami_0fa3a6e9 Linux_Trojan_Tsunami_8a11f9be Linux_Trojan_Tsunami_6b3974b2 Linux_Trojan_Tsunami_ad60d7e8
Link:
https://app.threat.zone/submission/762f6345-7d89-4ca3-bb14-37987b4a0941
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.95
Link:
https://yomi.yoroi.company/submissions/e3cf8a238ba81b01944872d5f3b8399ab6d0083bf8c3b2e81fd0754b8d4db093

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:botnet_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
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_generic_irc_catcher
Create hunting rule
Author:@_lubiedo
Description:Find new ELF IRC samples
Rule name:Linux_Generic_Threat_1ac392ca
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_7167d08f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_750fe002
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_c573932b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0bce98a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_95e0056c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Tsunami_0fa3a6e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Tsunami_6b3974b2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Tsunami_8a11f9be
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Tsunami_ad60d7e8
Create hunting rule
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_1_RID2F39
Create hunting rule
Author:Florian Roth
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 e3cf8a238ba81b01944872d5f3b8399ab6d0083bf8c3b2e81fd0754b8d4db093

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3581479/
  
Delivery method
Distributed via web download

Comments