MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a831f00feecaaca1e0b3c2f665fe181380b41f25bef875e96c18d4ba4e56c91f. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a831f00feecaaca1e0b3c2f665fe181380b41f25bef875e96c18d4ba4e56c91f
SHA3-384 hash: 8fc61155c65273b1604901bb54dce39b7173a98c710079486dad22d727be69b597df627124ce07e01a3086db17286fee
SHA1 hash: 4601cdf08a2a2371fde549191a688e644ae1a263
MD5 hash: d86b42a98b3041884ee1ebe907654e98
humanhash: freddie-winter-steak-steak
File name:yakuza.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:93'308 bytes
First seen:2026-04-03 17:40:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:9ztn824KYGMB1PZS0Rlrizm9423iB2ccOXzZIL5rLH:9ztn8fK1OXRl8KWXzMH
TLSH T16C93D719BF610EF7ECABDC3345A92B022CDD552721A96B75B930C818F11B24B1AD3DB4
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 dc69bcb799a502c9bb8e9f03576a08a5a7a803149e8b301ebad474cdbf608355
File size (compressed) :29'440 bytes
File size (de-compressed) :93'308 bytes
Format:linux/mipsel
Packed file: dc69bcb799a502c9bb8e9f03576a08a5a7a803149e8b301ebad474cdbf608355

Intelligence

File Origin
# of uploads :
1
# of downloads :
84
Origin country :
NL NL
Vendor Threat Intelligence
Gathering data
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

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

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

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

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Runs as daemon
Opens a port
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated threat
Link:
https://www.filescan.io/uploads/69cffbbb2346b9da57bba160/reports/70ea4839-72ba-401c-b7d2-162971917eac/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a831f00feecaaca1e0b3c2f665fe181380b41f25bef875e96c18d4ba4e56c91f
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-04-03T15:49:00Z UTC
Last seen:
2026-04-04T10:11:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.kv
Link:
https://opentip.kaspersky.com/a831f00feecaaca1e0b3c2f665fe181380b41f25bef875e96c18d4ba4e56c91f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/3232d881-eb79-413f-bd6d-913d614429f6
Behavior Graph:
Download SVG
%3 guuid=516cb967-1800-0000-864e-2af9630c0000 pid=3171 /usr/bin/sudo guuid=cba71e6c-1800-0000-864e-2af9640c0000 pid=3172 /tmp/sample.bin guuid=516cb967-1800-0000-864e-2af9630c0000 pid=3171->guuid=cba71e6c-1800-0000-864e-2af9640c0000 pid=3172 execve guuid=e9d63b6e-1800-0000-864e-2af9660c0000 pid=3174 /usr/bin/dash guuid=cba71e6c-1800-0000-864e-2af9640c0000 pid=3172->guuid=e9d63b6e-1800-0000-864e-2af9660c0000 pid=3174 clone guuid=56904b6e-1800-0000-864e-2af9670c0000 pid=3175 /usr/bin/dash guuid=cba71e6c-1800-0000-864e-2af9640c0000 pid=3172->guuid=56904b6e-1800-0000-864e-2af9670c0000 pid=3175 clone guuid=aae55d6e-1800-0000-864e-2af9680c0000 pid=3176 /usr/bin/dash guuid=e9d63b6e-1800-0000-864e-2af9660c0000 pid=3174->guuid=aae55d6e-1800-0000-864e-2af9680c0000 pid=3176 clone guuid=44949c6e-1800-0000-864e-2af9690c0000 pid=3177 /usr/bin/dash guuid=e9d63b6e-1800-0000-864e-2af9660c0000 pid=3174->guuid=44949c6e-1800-0000-864e-2af9690c0000 pid=3177 clone guuid=ce5ebe6e-1800-0000-864e-2af96a0c0000 pid=3178 /usr/bin/dash guuid=e9d63b6e-1800-0000-864e-2af9660c0000 pid=3174->guuid=ce5ebe6e-1800-0000-864e-2af96a0c0000 pid=3178 clone guuid=7d8bdf6e-1800-0000-864e-2af96b0c0000 pid=3179 /usr/bin/dash guuid=e9d63b6e-1800-0000-864e-2af9660c0000 pid=3174->guuid=7d8bdf6e-1800-0000-864e-2af96b0c0000 pid=3179 clone
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/3016acb6-f110-493d-9899-c4e89b1272e0
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a831f00feecaaca1e0b3c2f665fe181380b41f25bef875e96c18d4ba4e56c91f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a831f00feecaaca1e0b3c2f665fe181380b41f25bef875e96c18d4ba4e56c91f/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/a831f00feecaaca1e0b3c2f665fe181380b41f25bef875e96c18d4ba4e56c91f
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-04-03 17:41:18 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=vay7ad7ozkwkdyftyl3gl7qycoalihzfx34hl2lmddklutswzepq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/260403-v9jcfsbx6x/
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/a831f00feecaaca1e0b3c2f665fe181380b41f25bef875e96c18d4ba4e56c91f

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_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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 dc69bcb799a502c9bb8e9f03576a08a5a7a803149e8b301ebad474cdbf608355

Mirai

elf a831f00feecaaca1e0b3c2f665fe181380b41f25bef875e96c18d4ba4e56c91f

(this sample)

  
Dropped by
SHA256 dc69bcb799a502c9bb8e9f03576a08a5a7a803149e8b301ebad474cdbf608355
  
URLhaus
https://urlhaus.abuse.ch/url/3810810/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 980105fee76b9b1f7c0195179cbea58a

Comments