MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3a7c4daa55414575a36baff277c25efaa0fadd192fb265967f391abbdb50b9d. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f3a7c4daa55414575a36baff277c25efaa0fadd192fb265967f391abbdb50b9d
SHA3-384 hash: 6e37e6b8f7794908b3e28304e472aa6c140ce30e8bdd2cd0ea5cd4ce78e956bfa7188fe7e90d98e8d9eac35c212a4105
SHA1 hash: 92075e563c9163cff0789c8895527d3e6ded4d02
MD5 hash: 6a0a8c9d041fcbb958668f3f1c1b5aec
humanhash: wisconsin-red-south-december
File name:xd.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:29'896 bytes
First seen:2025-11-28 19:39:28 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:H0iH8FHtmpb0eJ7LI8GqRZLZbj+gQvQrMHFbdsNs3Dm8RztzRq9:HfHwHtmtvJ7ScTyQMHFH1Rztzo
TLSH T1FED2E1F19D357433D0EC463EDD3CC46B228DA078E16B162AC6CAA40264FBB0979D3B84
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) :29'896 bytes
File size (de-compressed) :63'420 bytes
Format:linux/i386
Unpacked file: 27031b35488cf56923c5407026dc53c84031d7707d2ece2c3785b90c71512cfc

Intelligence

File Origin
# of uploads :
1
# of downloads :
30
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7489269-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Kills processes
Opens a port
Sends data to a server
Connection attempt
Kills critical processes
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
1
Number of processes launched:
7
Processes remaning?
false
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/f3a7c4daa55414575a36baff277c25efaa0fadd192fb265967f391abbdb50b9d
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b6d1cab5-3fb1-45ea-bb82-5618391e6386
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1822581
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1822581 Sample: xd.x86.elf Startdate: 28/11/2025 Architecture: LINUX Score: 68 22 170.184.109.180, 23 VIRTUA-HEALTHUS United States 2->22 24 89.244.212.143, 23 VERSATELDE Germany 2->24 26 98 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 Yara detected Mirai 2->32 34 Sample is packed with UPX 2->34 8 xd.x86.elf 2->8         started        signatures3 process4 process5 10 xd.x86.elf 8->10         started        12 xd.x86.elf 8->12         started        14 xd.x86.elf 8->14         started        process6 16 xd.x86.elf 10->16         started        18 xd.x86.elf 10->18         started        20 xd.x86.elf 10->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f3a7c4daa55414575a36baff277c25efaa0fadd192fb265967f391abbdb50b9d
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f3a7c4daa55414575a36baff277c25efaa0fadd192fb265967f391abbdb50b9d/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-28 19:40:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6ot4jwvfkqkfowrwxl7so7bf56va7lorsl5smwlh6oi2xpnvbooq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/251128-ydmxjswmbx/
Behaviour
Reads runtime system information
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (20580) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7489269-0
YARA:
n/a
Link:
https://app.threat.zone/submission/e5ff2a0b-f642-41cc-bf2c-75fcb45f7090
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.70
Link:
https://yomi.yoroi.company/submissions/f3a7c4daa55414575a36baff277c25efaa0fadd192fb265967f391abbdb50b9d

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: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

sh b91887a7eb292d193741b7fe36b1e59123e6548688c051836638c9a80f832d64

Mirai

elf f3a7c4daa55414575a36baff277c25efaa0fadd192fb265967f391abbdb50b9d

(this sample)

Mirai

elf 27031b35488cf56923c5407026dc53c84031d7707d2ece2c3785b90c71512cfc

  
URLhaus
https://urlhaus.abuse.ch/url/3719042/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3719050/
  
Dropping
SHA256 27031b35488cf56923c5407026dc53c84031d7707d2ece2c3785b90c71512cfc
  
Dropping
MD5 d1dd90dfe9d58e9ca6bf4dbf35e1ffd7
  
Dropped by
SHA256 b91887a7eb292d193741b7fe36b1e59123e6548688c051836638c9a80f832d64
  
Dropped by
MD5 fdb0cbfc1e1851a717ed043cd33cb5f4
  
URLhaus
https://urlhaus.abuse.ch/url/3719043/

Comments