MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd12c3240f6ecd994ffba934f39726adec611c03fbe01d7ae19b1a83efdc3da9. 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

SHA256 hash: fd12c3240f6ecd994ffba934f39726adec611c03fbe01d7ae19b1a83efdc3da9
SHA3-384 hash: b9d846e92467174368e7142fc8c52c562238de52652f8768a3898d11e26feaf5d516a711bc5ac288719eeaa5a6be6a50
SHA1 hash: 7cb93e5fb6494a77d713a8b4a59530126c681ef7
MD5 hash: 94dac52e0c7afaa923887cd24fc880e1
humanhash: eleven-single-video-fillet
File name:astro.mips
Download: download sample
Signature Mirai
File size:85'904 bytes
First seen:2026-01-28 13:57:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:T+/XIq5WQpTs2Qyx8lLEr0vOZM2c/7wRVfS2NZN6T:TaXocTR0Er0Wm2bRVfS2NZET
TLSH T1EF83C6197E218FBEFB9E86384BB78E21564833C626E1D581D15CEA015E7034E741FFA8
telfhash t1b3014448893853f0d7615d9d6bddff77e09220df5a115e37ce00f96a9a6ca469e00c2c
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 936d6c1a6cff713caaceeb9154f5d8c8d4a0608c60f3d2272f429c3e751e8f18
File size (compressed) :29'076 bytes
File size (de-compressed) :85'904 bytes
Format:linux/mips
Packed file: 936d6c1a6cff713caaceeb9154f5d8c8d4a0608c60f3d2272f429c3e751e8f18

Intelligence


File Origin
# of uploads :
1
# of downloads :
69
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
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Runs as daemon
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
21
Number of processes launched:
16
Processes remaning?
true
Remote TCP ports scanned:
23
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=abe56658-1900-0000-06d7-9efe730b0000 pid=2931 /usr/bin/sudo guuid=673daa5a-1900-0000-06d7-9efe740b0000 pid=2932 /tmp/sample.bin guuid=abe56658-1900-0000-06d7-9efe730b0000 pid=2931->guuid=673daa5a-1900-0000-06d7-9efe740b0000 pid=2932 execve
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
76 / 100
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1859052 Sample: astro.mips.elf Startdate: 28/01/2026 Architecture: LINUX Score: 76 26 71.20.19.87 WINDSTREAMUS United States 2->26 28 90.252.197.228, 23 VodafoneGB United Kingdom 2->28 30 99 other IPs or domains 2->30 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.mips.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 astro.mips.elf 8->12         started        14 astro.mips.elf 8->14         started        17 astro.mips.elf 8->17         started        signatures6 19 astro.mips.elf 12->19         started        22 astro.mips.elf 12->22         started        24 astro.mips.elf 12->24         started        42 Sample tries to kill multiple processes (SIGKILL) 14->42 process7 signatures8 40 Sample tries to kill multiple processes (SIGKILL) 19->40
Gathering data
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:sora defense_evasion discovery
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 (48673) 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.

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
Author:NDA0E
Description:Yakuza botnet
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
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 fd12c3240f6ecd994ffba934f39726adec611c03fbe01d7ae19b1a83efdc3da9

(this sample)

  
Delivery method
Distributed via web download

Comments