MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5805d2e3c804ea413c9a4b5db22b0777cc35543b718a155e1ebdbb3da49b590. 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: a5805d2e3c804ea413c9a4b5db22b0777cc35543b718a155e1ebdbb3da49b590
SHA3-384 hash: 1b5f5589ed1085da99d96863f73be637354f1714a166ddbcf3a64b6bdb6473e55c73afe3dc57708924a1b5dcb594349c
SHA1 hash: f1e4b35b15c3800932a1b6fcf5b9a1b6135ed996
MD5 hash: 33996f42129d55e5433667f7d0f3b5e4
humanhash: ack-william-west-steak
File name:astro.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:89'408 bytes
First seen:2026-01-28 13:58:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:vbMkIh2wF5rwMS75P0/EwwVzukcYZe3zHa:vbMThPSLcYL
TLSH T1F493D716BF610FF7D8ABDC3706E92B05288C955A25A97B35B930C818F64B24F19E3C74
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 6b458fbc1a63cb770788942f342fba2ac9ce82dd48dddf5f43394f53253d1bde
File size (compressed) :30'140 bytes
File size (de-compressed) :89'408 bytes
Format:linux/mipsel
Packed file: 6b458fbc1a63cb770788942f342fba2ac9ce82dd48dddf5f43394f53253d1bde

Intelligence

File Origin
# of uploads :
1
# of downloads :
75
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/4a44ee93-2dec-425d-b865-fc4749a444d4/
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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Sends data to a server
Connection attempt
Substitutes an application name
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:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a5805d2e3c804ea413c9a4b5db22b0777cc35543b718a155e1ebdbb3da49b590
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/010b948b-cb93-4611-8df2-f71fe957f14f
Behavior Graph:
Download SVG
%3 guuid=14ba5e7b-1a00-0000-2c5a-38aa5b0e0000 pid=3675 /usr/bin/sudo guuid=40b7767d-1a00-0000-2c5a-38aa5c0e0000 pid=3676 /tmp/sample.bin guuid=14ba5e7b-1a00-0000-2c5a-38aa5b0e0000 pid=3675->guuid=40b7767d-1a00-0000-2c5a-38aa5c0e0000 pid=3676 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/01126f0c-fa9c-452d-bce7-d64df21aff6c
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1859051
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1859051 Sample: astro.mpsl.elf Startdate: 28/01/2026 Architecture: LINUX Score: 76 24 207.101.234.109 XO-AS15US United States 2->24 26 206.8.150.226, 23 VOYANTUS United States 2->26 28 98 other IPs or domains 2->28 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected Mirai 2->38 8 astro.mpsl.elf 2->8         started        signatures3 process4 process5 10 astro.mpsl.elf 8->10         started        12 astro.mpsl.elf 8->12         started        15 astro.mpsl.elf 8->15         started        signatures6 17 astro.mpsl.elf 10->17         started        20 astro.mpsl.elf 10->20         started        22 astro.mpsl.elf 10->22         started        40 Sample tries to kill multiple processes (SIGKILL) 12->40 process7 signatures8 30 Sample tries to kill multiple processes (SIGKILL) 17->30
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a5805d2e3c804ea413c9a4b5db22b0777cc35543b718a155e1ebdbb3da49b590
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a5805d2e3c804ea413c9a4b5db22b0777cc35543b718a155e1ebdbb3da49b590/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-28 13:59:34 UTC
File Type:
ELF32 Little (Exe)
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uwaf2lr4qbhkie6jus25wivqo56mgvkdw4mkcvpb5pn3hwsjwwia._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:sora defense_evasion discovery
Link:
https://tria.ge/reports/260128-ramdaadt9a/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (35869) 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/a5805d2e3c804ea413c9a4b5db22b0777cc35543b718a155e1ebdbb3da49b590

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 6b458fbc1a63cb770788942f342fba2ac9ce82dd48dddf5f43394f53253d1bde

Mirai

elf a5805d2e3c804ea413c9a4b5db22b0777cc35543b718a155e1ebdbb3da49b590

(this sample)

  
Dropped by
SHA256 6b458fbc1a63cb770788942f342fba2ac9ce82dd48dddf5f43394f53253d1bde
  
URLhaus
https://urlhaus.abuse.ch/url/3765046/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 c4982e1f72239e0c76499045e928dbbb

Comments