MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cfe7737b0b8a7742a7a39863973e813801376a92a74b08443d6ce02c2167de25. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cfe7737b0b8a7742a7a39863973e813801376a92a74b08443d6ce02c2167de25
SHA3-384 hash: 688175080675a9bedc9b0bbafda0aca55cc2d1196b1c61438c0bb0078b82dff12447a65f62db17ed26fb593ca863269a
SHA1 hash: 8728c2fe6b698f491d7deaeee844c480cc05cb9d
MD5 hash: c9f14fbdeb3ad6aa788e697c37119d2c
humanhash: mountain-violet-jupiter-cardinal
File name:cutex86_32
Download: download sample
Signature Mirai
Create hunting rule
File size:42'544 bytes
First seen:2025-06-15 21:55:30 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:JcHCvhey99DnS3BjzjiIp6kAKgcKoLIC878SzYIJ:JcH0ey99DSRJpgKgcTLIp8SzY
TLSH T195134BC4D983E2F8FC1213380077F77ABB72A8AE1175CB93D758A435D6527109A27A8C
telfhash t1c511e6b03eaa49fcf2d02c0dc35d22d767389577066120bb41f66cc63bf2155a0b1835
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 :
83
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30456.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9854559-0
Create hunting rule

Unix.Trojan.Mirai-9885101-0
Create hunting rule

Unix.Malware.Mirai-9896989-0
Create hunting rule

Unix.Trojan.Mirai-9899908-0
Create hunting rule

Unix.Trojan.Generic-9907128-0
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=684f41878bd5d68a12e8b8a0linux22vpnfull_triage
Tags:
shellcode
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Creates directories
Sets a written file as executable
Connection attempt
Launching a process
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/cfe7737b0b8a7742a7a39863973e813801376a92a74b08443d6ce02c2167de25
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/325ad2de-c94d-4a3c-bda0-64084d393fb4
Behavior Graph:
Download SVG
%3 guuid=2b0fea7f-1900-0000-e49d-f3dfb40a0000 pid=2740 /usr/bin/sudo guuid=45af7e81-1900-0000-e49d-f3dfb90a0000 pid=2745 /tmp/sample.bin net guuid=2b0fea7f-1900-0000-e49d-f3dfb40a0000 pid=2740->guuid=45af7e81-1900-0000-e49d-f3dfb90a0000 pid=2745 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=45af7e81-1900-0000-e49d-f3dfb90a0000 pid=2745->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=a9f4ac81-1900-0000-e49d-f3dfbb0a0000 pid=2747 /tmp/sample.bin guuid=45af7e81-1900-0000-e49d-f3dfb90a0000 pid=2745->guuid=a9f4ac81-1900-0000-e49d-f3dfbb0a0000 pid=2747 clone guuid=007ab681-1900-0000-e49d-f3dfbc0a0000 pid=2748 /tmp/sample.bin net zombie guuid=a9f4ac81-1900-0000-e49d-f3dfbb0a0000 pid=2747->guuid=007ab681-1900-0000-e49d-f3dfbc0a0000 pid=2748 clone fbf34c2e-28ca-512d-9b01-9151dfcb2221 103.149.252.178:5683 guuid=007ab681-1900-0000-e49d-f3dfbc0a0000 pid=2748->fbf34c2e-28ca-512d-9b01-9151dfcb2221 con guuid=1055d181-1900-0000-e49d-f3dfbd0a0000 pid=2749 /usr/bin/dash guuid=007ab681-1900-0000-e49d-f3dfbc0a0000 pid=2748->guuid=1055d181-1900-0000-e49d-f3dfbd0a0000 pid=2749 execve guuid=69d4a982-1900-0000-e49d-f3dfc10a0000 pid=2753 /usr/bin/dash guuid=007ab681-1900-0000-e49d-f3dfbc0a0000 pid=2748->guuid=69d4a982-1900-0000-e49d-f3dfc10a0000 pid=2753 execve guuid=b7adfd81-1900-0000-e49d-f3dfbe0a0000 pid=2750 /usr/bin/mkdir guuid=1055d181-1900-0000-e49d-f3dfbd0a0000 pid=2749->guuid=b7adfd81-1900-0000-e49d-f3dfbe0a0000 pid=2750 execve guuid=b2b5f282-1900-0000-e49d-f3dfc30a0000 pid=2755 /usr/bin/mv guuid=69d4a982-1900-0000-e49d-f3dfc10a0000 pid=2753->guuid=b2b5f282-1900-0000-e49d-f3dfc30a0000 pid=2755 execve guuid=38d49183-1900-0000-e49d-f3dfc50a0000 pid=2757 /usr/bin/chmod guuid=69d4a982-1900-0000-e49d-f3dfc10a0000 pid=2753->guuid=38d49183-1900-0000-e49d-f3dfc50a0000 pid=2757 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9bfed6e1-1b3b-40ab-b2d1-5b8df037de7d
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1714995
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1714995 Sample: cutex86_32.elf Startdate: 16/06/2025 Architecture: LINUX Score: 56 26 103.149.252.178, 53494, 5683 DVS-AS-VNVIETDIGITALTECHNOLOGYLIABILITYCOMPANYVN unknown 2->26 28 daisy.ubuntu.com 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Multi AV Scanner detection for submitted file 2->32 10 cutex86_32.elf 2->10         started        signatures3 process4 process5 12 cutex86_32.elf 10->12         started        process6 14 cutex86_32.elf 12->14         started        process7 16 cutex86_32.elf sh 14->16         started        18 cutex86_32.elf sh 14->18         started        process8 20 sh mv 16->20         started        22 sh chmod 16->22         started        24 sh mkdir 18->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cfe7737b0b8a7742a7a39863973e813801376a92a74b08443d6ce02c2167de25
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cfe7737b0b8a7742a7a39863973e813801376a92a74b08443d6ce02c2167de25/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-06-15 21:56:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z7txg6ylrj3ufj5dtbrzopubhaato2usu5fqqrb5ntqcyilh3ysq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery linux
Link:
https://tria.ge/reports/250615-1tgftagm8w/
Behaviour
Reads runtime system information
File and Directory Permissions Modification
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Mirai-9854559-0
YARA:
Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Link:
https://app.threat.zone/submission/efdc1b74-c43e-4781-bbe6-1980ad0b72c1
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/cfe7737b0b8a7742a7a39863973e813801376a92a74b08443d6ce02c2167de25

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_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
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

File information

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

Web download

Mirai

elf cfe7737b0b8a7742a7a39863973e813801376a92a74b08443d6ce02c2167de25

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3562369/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3562385/

Comments