MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 991b8beacd684c689446f53fd14c6e99f3ac582ab1d88a296b05f05dc1626ed3. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments

SHA256 hash: 991b8beacd684c689446f53fd14c6e99f3ac582ab1d88a296b05f05dc1626ed3
SHA3-384 hash: 55cf9d0a73b066a14a0b9e2babb72857f66bfebf82dc24d8f1248919fce0bce01140d93a78b354975e02913622441a10
SHA1 hash: 3d25ca034984b107156d6a3cea202fbf67525f3a
MD5 hash: abae1fb494650f695f1a2687148c8073
humanhash: illinois-king-uniform-texas
File name:mpsl
Download: download sample
Signature Mirai
File size:109'420 bytes
First seen:2025-12-24 15:38:00 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:Mwqw4NNchRKdZNDNbIPQn1Dv/QVJoWJ5ISKg4Z9WiVWfnxEEVUTGT2bVRD:MiRhkdZwkDnQ1JeQjUST2
TLSH T18EB3D74A7B650FF7D85FCD374AB95B05258D960722E82B3A3A74D818F24B24F09E3874
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

Intelligence


File Origin
# of uploads :
1
# of downloads :
49
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=c59f2785-1b00-0000-416c-23466c0b0000 pid=2924 /usr/bin/sudo guuid=42bb7a87-1b00-0000-416c-2346700b0000 pid=2928 /tmp/sample.bin guuid=c59f2785-1b00-0000-416c-23466c0b0000 pid=2924->guuid=42bb7a87-1b00-0000-416c-2346700b0000 pid=2928 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
52 / 100
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1838900 Sample: mpsl.elf Startdate: 24/12/2025 Architecture: LINUX Score: 52 18 176.239.145.121, 23 TURKCELL-ASTurkcellASTR Turkey 2->18 20 176.239.145.126, 23 TURKCELL-ASTurkcellASTR Turkey 2->20 22 100 other IPs or domains 2->22 24 Multi AV Scanner detection for submitted file 2->24 26 Connects to many IPs within the same subnet mask (likely port scanning) 2->26 8 mpsl.elf 2->8         started        signatures3 process4 process5 10 mpsl.elf 8->10         started        process6 12 mpsl.elf 10->12         started        14 mpsl.elf 10->14         started        16 mpsl.elf 10->16         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-24 15:38:28 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 36 (33.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access discovery
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Creates a large amount of network flows
Enumerates active TCP sockets
Enumerates running processes
Renames itself
Contacts a large (12356) amount of remote hosts
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
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: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 991b8beacd684c689446f53fd14c6e99f3ac582ab1d88a296b05f05dc1626ed3

(this sample)

  
Delivery method
Distributed via web download

Comments