MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c5a8cb3e8195b00974e3e6aa19e0fff094a18508d737870bbc061d191646ada. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments

SHA256 hash: 1c5a8cb3e8195b00974e3e6aa19e0fff094a18508d737870bbc061d191646ada
SHA3-384 hash: 6444f16d27226683f16ac14daa75a0bc389b291862284af75873d7b75b2879a2a7dc3c1d4ea318415988d930e6262d68
SHA1 hash: 2b7d8d8df543862a47a20b8883724bf93745f6b1
MD5 hash: 40139094f9ff6718da79ab9b2b9facc4
humanhash: stairway-fanta-yellow-missouri
File name:sora.mips
Download: download sample
Signature Mirai
File size:28'900 bytes
First seen:2025-11-26 12:47:00 UTC
Last seen:2025-11-26 22:10:05 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:S4ylAtv6pqLJM0RXaxGyUbXtheU/SGfobJgGlzDpbuR1JC:dMBqTRXa+Zhr/XoRVJus
TLSH T1B1D2E1B8770148D7CA5EA1744EE50B263D708FB2E1436C07B5A4D6D7BB058AC7CA5DC1
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) :28'900 bytes
File size (de-compressed) :85'312 bytes
Format:linux/mips
Unpacked file: f9242a3dc9623703161a5bb39c3cf713cd91aa1424fba97aeb5014bddd38f037

Intelligence


File Origin
# of uploads :
2
# of downloads :
78
Origin country :
DE DE
Vendor Threat Intelligence
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:
  2.5/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
19
Number of processes launched:
7
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
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-11-26T09:11:00Z UTC
Last seen:
2025-11-26T09:29:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=17bf794b-1b00-0000-0135-e96dba0c0000 pid=3258 /usr/bin/sudo guuid=9c364c4d-1b00-0000-0135-e96dbf0c0000 pid=3263 /tmp/sample.bin guuid=17bf794b-1b00-0000-0135-e96dba0c0000 pid=3258->guuid=9c364c4d-1b00-0000-0135-e96dbf0c0000 pid=3263 execve
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
76 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to kill multiple processes (SIGKILL)
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1821126 Sample: sora.mips.elf Startdate: 26/11/2025 Architecture: LINUX Score: 76 28 209.253.253.13, 23 WINDSTREAMUS United States 2->28 30 156.76.225.11 WIECUS United States 2->30 32 98 other IPs or domains 2->32 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 Yara detected Mirai 2->40 42 2 other signatures 2->42 8 sora.mips.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 sora.mips.elf 8->14         started        16 sora.mips.elf 8->16         started        19 sora.mips.elf 8->19         started        signatures6 21 sora.mips.elf 14->21         started        24 sora.mips.elf 14->24         started        26 sora.mips.elf 14->26         started        34 Sample tries to kill multiple processes (SIGKILL) 16->34 process7 signatures8 44 Sample tries to kill multiple processes (SIGKILL) 21->44
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-11-26 12:47:26 UTC
File Type:
ELF32 Big (Exe)
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:sora botnet defense_evasion discovery upx
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 (40271) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9955985-0
YARA:
n/a
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:upx_packed_elf_v1
Author:RandomMalware

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 1c5a8cb3e8195b00974e3e6aa19e0fff094a18508d737870bbc061d191646ada

(this sample)

  
Delivery method
Distributed via web download

Comments