MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4bda187bc7c766077358f182af3a25884bde75f9dcb5d99427c9d260c88198fa. 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 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4bda187bc7c766077358f182af3a25884bde75f9dcb5d99427c9d260c88198fa
SHA3-384 hash: 3ac3551991f4cb355b41e1c2b8c87cf3487b7e9505eaa2f96a3da071abaf5e97cb3bbeed0f8a3648f2b83707742de48d
SHA1 hash: 076c762a59ddbebd48d009100ee9d8686f6a5f16
MD5 hash: d6f5627c3dfb56234b49ee050297c7b8
humanhash: moon-hydrogen-eleven-lemon
File name:cutex86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:143'832 bytes
First seen:2025-06-14 14:48:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:mTUTfCdO6FFto6E68wKhc/t/ekNaogMewcgsK027u9OlL:mTUTfCdO6FFto6bwwQdWL
TLSH T1EEE34A07B4C184FDC4DAC1B44B9FF53AED32B0AD1238B17B27D4AA222E59E215F1DA54
telfhash t1785132b438253994b2fbba3ab30af991ac71095419e131d1dd73b8e2de167c40e72832
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
55
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28880.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7540662-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Dropper.Mirai-10008433-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Mirai-10028946-0
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=684d8c468bd5d68a12e89fd4linux22vpnfull_triage
Tags:
obfusc crypt
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Connection attempt
Runs as daemon
DNS request
Deletes a system binary file
Substitutes an application name
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
47
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/4bda187bc7c766077358f182af3a25884bde75f9dcb5d99427c9d260c88198fa
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b295ca5f-c3a2-4b7c-91dc-d44ec061049d
Behavior Graph:
Download SVG
%3 guuid=78d0ddc5-1c00-0000-17e1-ec9ce3070000 pid=2019 /usr/bin/sudo guuid=d52314c9-1c00-0000-17e1-ec9ce9070000 pid=2025 /tmp/sample.bin delete-file net guuid=78d0ddc5-1c00-0000-17e1-ec9ce3070000 pid=2019->guuid=d52314c9-1c00-0000-17e1-ec9ce9070000 pid=2025 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=d52314c9-1c00-0000-17e1-ec9ce9070000 pid=2025->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=23d578c9-1c00-0000-17e1-ec9ceb070000 pid=2027 /tmp/sample.bin dns net send-data zombie guuid=d52314c9-1c00-0000-17e1-ec9ce9070000 pid=2025->guuid=23d578c9-1c00-0000-17e1-ec9ceb070000 pid=2027 clone guuid=23d578c9-1c00-0000-17e1-ec9ceb070000 pid=2027->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 105B 8fd93b06-c554-5b95-8925-1c7913cb27bd cute.trumdvfb.com:47925 guuid=23d578c9-1c00-0000-17e1-ec9ceb070000 pid=2027->8fd93b06-c554-5b95-8925-1c7913cb27bd send: 17B guuid=680c8ac9-1c00-0000-17e1-ec9cec070000 pid=2028 /tmp/sample.bin guuid=23d578c9-1c00-0000-17e1-ec9ceb070000 pid=2027->guuid=680c8ac9-1c00-0000-17e1-ec9cec070000 pid=2028 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5961452f-3f0b-4952-ad23-8c3281abd755
Result
Threat name:
Gafgyt, Mirai, Okiru
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1714515
Signature
Antivirus / Scanner detection for submitted sample
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 Gafgyt
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1714515 Sample: cutex86_64.elf Startdate: 14/06/2025 Architecture: LINUX Score: 100 18 cute.trumdvfb.com 1.1.1.1, 47925 CLOUDFLARENETUS Australia 2->18 20 109.202.202.202, 80 INIT7CH Switzerland 2->20 22 2 other IPs or domains 2->22 24 Malicious sample detected (through community Yara rule) 2->24 26 Antivirus / Scanner detection for submitted sample 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 4 other signatures 2->30 8 cutex86_64.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 cutex86_64.elf 8->14         started        process6 16 cutex86_64.elf 14->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4bda187bc7c766077358f182af3a25884bde75f9dcb5d99427c9d260c88198fa
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4bda187bc7c766077358f182af3a25884bde75f9dcb5d99427c9d260c88198fa/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-06-13 12:29:35 UTC
File Type:
ELF64 Little (Exe)
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jpnbq66hy5tao42y6gbk6orfrbf545pz3s25tfbhzhjgbsebtd5a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai discovery linux
Link:
https://tria.ge/reports/250614-r7y4cagl7x/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Malware Config
C2 Extraction:
103.149.252.178
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Dropper.Mirai-7540662-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_ea92cca8 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 Linux_Trojan_Mirai_1e0c5ce0 Linux_Trojan_Mirai_520deeb8 Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_01e4a728 Linux_Trojan_Mirai_e0cf29e2 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/3aa920de-f3bc-483b-b6d2-711345f383c8
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/4bda187bc7c766077358f182af3a25884bde75f9dcb5d99427c9d260c88198fa

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_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
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_Threat_3bcc1630
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
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:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_01e4a728
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_1e0c5ce0
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_520deeb8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Create hunting rule
Author:Elastic Security
Rule name:Mal_LNX_Mirai_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Mirai botnet, and there variants.
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 4bda187bc7c766077358f182af3a25884bde75f9dcb5d99427c9d260c88198fa

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3561445/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments