MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf3ad61a9e2b8fae23ccb9cef0378b50cc2571b1dde4bc9e0d624ce25bb4ed62. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cf3ad61a9e2b8fae23ccb9cef0378b50cc2571b1dde4bc9e0d624ce25bb4ed62
SHA3-384 hash: b5ca797413e33486e3a07ab86e2dc403c022a7a8ebdb129c7687b0f969d577e252918c69cec5680545f35df14c732d95
SHA1 hash: c68e99fbac68b0dd283b443b13bd84a75accbc05
MD5 hash: 6cd55ebaa00b7c7e389b9b8b24491f7c
humanhash: pasta-mars-delta-october
File name:sh
Download: download sample
Signature Mirai
Create hunting rule
File size:99'732 bytes
First seen:2025-07-19 23:15:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:aayrwKmT0VnCEK5BIpZyERc1Wm2sWNDgWSm8epeOby0z0tZcH+7M0mWg:4rfmcVSYZyLY1NDg3e/6cQR9g
TLSH T19BA33AC5F9409A26C6C145B3FB1F428D772A43A8D2EE3203DD295FA1778B85F0E3A945
telfhash t1ec11e276cb5b5e9c17f0c099d0af721109ed33f56f15395e2a9c5f064653492311542a
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 :
20
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.32133.LX.BOT.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated rust
Link:
https://www.filescan.io/uploads/687c274b19132d984883485b/reports/0304fab7-f6e3-4589-bfa6-29dc06a64dae/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/af7e368b-aaa1-47da-8623-99dc88980efb
Behavior Graph:
Download SVG
%3 guuid=bb9b3811-1900-0000-22a5-ff9156140000 pid=5206 /usr/bin/sudo guuid=65ab5214-1900-0000-22a5-ff9157140000 pid=5207 /tmp/sample.bin guuid=bb9b3811-1900-0000-22a5-ff9156140000 pid=5206->guuid=65ab5214-1900-0000-22a5-ff9157140000 pid=5207 execve
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d5a681a1-2239-42bf-8b11-d7eea0bdc791
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1740237
Signature
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Terminates several processes with shell command 'killall'
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1740237 Sample: sh.elf Startdate: 20/07/2025 Architecture: LINUX Score: 56 41 67.93.104.149 XO-AS15US United States 2->41 43 203.4.58.137 WA-GOVERNMENT-AS-APWAGovernmentprojectAU Australia 2->43 45 98 other IPs or domains 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Connects to many ports of the same IP (likely port scanning) 2->49 10 sh.elf 2->10         started        signatures3 process4 process5 12 sh.elf 10->12         started        process6 14 sh.elf 12->14         started        16 sh.elf 12->16         started        process7 18 sh.elf sh 14->18         started        20 sh.elf sh 14->20         started        22 sh.elf sh 14->22         started        24 74 other processes 14->24 process8 26 sh killall 18->26         started        29 sh killall 20->29         started        31 sh killall 22->31         started        33 sh killall 24->33         started        35 sh killall 24->35         started        37 sh killall 24->37         started        39 71 other processes 24->39 signatures9 51 Terminates several processes with shell command 'killall' 26->51
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cf3ad61a9e2b8fae23ccb9cef0378b50cc2571b1dde4bc9e0d624ce25bb4ed62
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cf3ad61a9e2b8fae23ccb9cef0378b50cc2571b1dde4bc9e0d624ce25bb4ed62/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Gafgyt
Link:
https://tip.neiki.dev/file/cf3ad61a9e2b8fae23ccb9cef0378b50cc2571b1dde4bc9e0d624ce25bb4ed62
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-19 23:16:26 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 22 (63.64%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z45nmgu6foh24i6mxhhpan4lkdgck4nr3xslzhqnmjgoew5u5vra._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:kyton defense_evasion discovery
Link:
https://tria.ge/reports/250719-29a5eatk16/
Behaviour
Reads runtime system information
Changes its process name
Reads CPU attributes
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Writes memory of remote process
Contacts a large (149586) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/499a9324-c3de-4eae-9e31-6717de0c228c
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/cf3ad61a9e2b8fae23ccb9cef0378b50cc2571b1dde4bc9e0d624ce25bb4ed62

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:Linux_Generic_Threat_d94e1020
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

elf cf3ad61a9e2b8fae23ccb9cef0378b50cc2571b1dde4bc9e0d624ce25bb4ed62

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3584477/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3584499/
  
URLhaus
https://urlhaus.abuse.ch/url/3576534/

Comments