MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 86273b5bc6ab42e8b9c0a241c17df5d2cab80e21b64bb89d92e4919f2ef2162d. 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 4 File information Comments

SHA256 hash: 86273b5bc6ab42e8b9c0a241c17df5d2cab80e21b64bb89d92e4919f2ef2162d
SHA3-384 hash: 66430452ff78acf441abacfbe36a131199ffc647f987f3409f18a0572c231c0c1bb03ec310cf0855f81996da1a6a7f1b
SHA1 hash: 46e283067eac98297d71169803edca3948993a6a
MD5 hash: d870bda9d4bbaf8ccfa67e1c3c787908
humanhash: apart-alabama-maryland-november
File name:sora.mips
Download: download sample
Signature Mirai
File size:85'312 bytes
First seen:2025-05-16 07:38:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:E6/iw/0w8HoQ5uy8NxqlcJ0vXxh11xYqcn6BZOpkMoAogR:x/8RHTgMcJ0fmqJZOpkM/XR
TLSH T15283C6297E218FBEF79D823947B78F22964837C637E1D581D15CDA005E7028E641BFA8
telfhash t175014948893c57f0d7665ddc6bddff76e05260cf49615e778e00b9aa9b6c9428e00c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 494c163228b19a50ee3f101149c73e5f4f43acd71e3d155fde70dc4b557ecebe
File size (compressed) :28'884 bytes
File size (de-compressed) :85'068 bytes
Format:linux/mips
Packed file: 494c163228b19a50ee3f101149c73e5f4f43acd71e3d155fde70dc4b557ecebe

Intelligence


File Origin
# of uploads :
1
# of downloads :
75
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
Receives data from a server
Sends data to a server
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated
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
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
80 / 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)
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1691511 Sample: sora.mips.elf Startdate: 16/05/2025 Architecture: LINUX Score: 80 24 85.28.189.224 ZETOSA-ASPL Poland 2->24 26 197.213.217.173 ZAIN-ZAMBIAZM Zambia 2->26 28 99 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 2 other signatures 2->38 8 sora.mips.elf 2->8         started        signatures3 process4 process5 10 sora.mips.elf 8->10         started        12 sora.mips.elf 8->12         started        15 sora.mips.elf 8->15         started        signatures6 17 sora.mips.elf 10->17         started        20 sora.mips.elf 10->20         started        22 sora.mips.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
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-05-16 07:39:33 UTC
File Type:
ELF32 Big (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
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
Modifies Watchdog functionality
Contacts a large (166641) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7135890-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Gafgyt_May_2024
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 86273b5bc6ab42e8b9c0a241c17df5d2cab80e21b64bb89d92e4919f2ef2162d

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments