MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66b70564d5fd2e9fc6c5c663440846e0b1d28750318af10d36ee14fa56db45de. 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 6 File information Comments

SHA256 hash: 66b70564d5fd2e9fc6c5c663440846e0b1d28750318af10d36ee14fa56db45de
SHA3-384 hash: 155e8f43c1cf9d6501f002a43d1ca3bd27d458d235d9ee0a51a4fe65942a387fa8add43fb1729ac228d9b721d87528c0
SHA1 hash: b27a31fda7cef2669abc326ce3df664a06442142
MD5 hash: 5a357d550c526c63adb5c9a1aca5f57e
humanhash: cold-four-whiskey-cardinal
File name:morte.mpsl
Download: download sample
Signature Mirai
File size:113'860 bytes
First seen:2025-06-26 22:47:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:tIanyAJKfd3Xr2A7V3os3hJzQR3VDmRwjtUu0KbC0ZD1/2HhfNfrnaA2Pqk:aa/Sd3Xr2A76scau0Km00zgPqk
TLSH T10DB3D709BF611EFBE85FDC370AA9070624CD696A21A93B797530D818F24F24F16E3874
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 28f5b3b5540a9a10d524aaf7056a9d439d9d7f4ab75aa218d11d2cbe296270c3
File size (compressed) :42'348 bytes
File size (de-compressed) :113'860 bytes
Format:linux/mipsel
Packed file: 28f5b3b5540a9a10d524aaf7056a9d439d9d7f4ab75aa218d11d2cbe296270c3

Intelligence


File Origin
# of uploads :
1
# of downloads :
112
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Receives data from a server
Changes access rights for a written file
DNS request
Sends data to a server
Changes access rights for a file
Connection attempt
Runs as daemon
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
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=f3ffaa4e-1a00-0000-1f45-6a35840b0000 pid=2948 /usr/bin/sudo guuid=0f50ac51-1a00-0000-1f45-6a358c0b0000 pid=2956 /tmp/sample.bin guuid=f3ffaa4e-1a00-0000-1f45-6a35840b0000 pid=2948->guuid=0f50ac51-1a00-0000-1f45-6a358c0b0000 pid=2956 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
64 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1723839 Sample: morte.mpsl.elf Startdate: 27/06/2025 Architecture: LINUX Score: 64 20 izumisv1.cc 196.251.116.241, 12121 xneeloZA Seychelles 2->20 22 109.202.202.202, 80 INIT7CH Switzerland 2->22 24 2 other IPs or domains 2->24 26 Malicious sample detected (through community Yara rule) 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 8 morte.mpsl.elf 2->8         started        signatures3 process4 process5 10 morte.mpsl.elf 8->10         started        12 morte.mpsl.elf 8->12         started        14 morte.mpsl.elf 8->14         started        process6 16 morte.mpsl.elf 10->16         started        18 morte.mpsl.elf 10->18         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-06-26 22:49:29 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
botnet mirai Unix.Trojan.Mirai-7100807-0
YARA:
Mirai_Botnet_Malware
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Mirai_Botnet_Malware
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
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 66b70564d5fd2e9fc6c5c663440846e0b1d28750318af10d36ee14fa56db45de

(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