MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4cac4cb8b734040b6e5f825819ee4f22932c51f367e0b76c0f274194b8e1cee. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4cac4cb8b734040b6e5f825819ee4f22932c51f367e0b76c0f274194b8e1cee
SHA3-384 hash: 58bcd08eb42dcbfd46d4e4d4dddeb9c95700063139bf8d59bae5904928da6634c03659badb6f47f9f78ff4cfb5b2992e
SHA1 hash: 07c3c3b2c8e596a9db02db8d9feb76eae3919f20
MD5 hash: e1f0952dc212970e2cd48d757d017231
humanhash: network-may-white-item
File name:sora.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:85'312 bytes
First seen:2026-02-13 02:19:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:E6/iw/0w8HoQ5uy8NxqlcJ0vXxh11xYqcn6BZOpkMoANUG:x/8RHTgMcJ0fmqJZOpkM/uG
TLSH T1E083C6297E218FBEF79D823947B78F22964837C637E1D581D15CDA005E7028E641BFA8
telfhash t175014948893c57f0d7665ddc6bddff76e05260cf49615e778e00b9aa9b6c9428e00c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 fcdc360e1d9a085040baf472583a2a64c1dc7b75caf739c3c8f76d59ed71e715
File size (compressed) :28'876 bytes
File size (de-compressed) :85'312 bytes
Format:linux/mips
Packed file: fcdc360e1d9a085040baf472583a2a64c1dc7b75caf739c3c8f76d59ed71e715

Intelligence

File Origin
# of uploads :
1
# of downloads :
53
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/9afa6bc9-3432-42b8-a131-ea69aeeed2ea/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

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

Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135890-0
Create hunting rule

Unix.Dropper.Mirai-7135939-0
Create hunting rule

Unix.Dropper.Mirai-7136025-0
Create hunting rule

Unix.Trojan.Mirai-9819563-0
Create hunting rule

Unix.Trojan.Mirai-9820623-0
Create hunting rule

Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
19
Number of processes launched:
7
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/a4cac4cb8b734040b6e5f825819ee4f22932c51f367e0b76c0f274194b8e1cee
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Mirai 45.83.207.188:1312
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-02-13T00:29:00Z UTC
Last seen:
2026-02-13T01:47:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/a4cac4cb8b734040b6e5f825819ee4f22932c51f367e0b76c0f274194b8e1cee/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/6f3c2f36-62bd-4afa-b735-b7d40c45f252
Behavior Graph:
Download SVG
%3 guuid=c2e6e278-2100-0000-075c-5152840a0000 pid=2692 /usr/bin/sudo guuid=6e6b417c-2100-0000-075c-51528e0a0000 pid=2702 /tmp/sample.bin guuid=c2e6e278-2100-0000-075c-5152840a0000 pid=2692->guuid=6e6b417c-2100-0000-075c-51528e0a0000 pid=2702 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/276f7a51-6052-4b58-b51a-0e9e7c6ff8e0
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a4cac4cb8b734040b6e5f825819ee4f22932c51f367e0b76c0f274194b8e1cee
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a4cac4cb8b734040b6e5f825819ee4f22932c51f367e0b76c0f274194b8e1cee/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-02-13 02:20:29 UTC
File Type:
ELF32 Big (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=utfmjs4lonaebnxf7asydhxe6iutfri7gz7aw5wa6j2bss4odtxa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:sora defense_evasion discovery
Link:
https://tria.ge/reports/260213-csk6lsgv9e/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (39691) amount of remote hosts
Creates a large amount of network flows
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/a4cac4cb8b734040b6e5f825819ee4f22932c51f367e0b76c0f274194b8e1cee

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
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 fcdc360e1d9a085040baf472583a2a64c1dc7b75caf739c3c8f76d59ed71e715

Mirai

elf a4cac4cb8b734040b6e5f825819ee4f22932c51f367e0b76c0f274194b8e1cee

(this sample)

  
Dropped by
SHA256 fcdc360e1d9a085040baf472583a2a64c1dc7b75caf739c3c8f76d59ed71e715
  
URLhaus
https://urlhaus.abuse.ch/url/3776775/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 0646f31de8c986d47a377334e0e4d544
  
URLhaus
https://urlhaus.abuse.ch/url/3777343/

Comments