MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f7f8dd8891b1cfa2703a5b090a8c523a7b22bdd4c87c6793af86e30bc080e2a8. 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 2 File information Comments

SHA256 hash: f7f8dd8891b1cfa2703a5b090a8c523a7b22bdd4c87c6793af86e30bc080e2a8
SHA3-384 hash: f92008947552c07c5a774bd3e9727e105e73dcefffc7a5f3de5d13e4a4832231a422c8a10c0368c86203ab9d9e89796e
SHA1 hash: 2eba4ba74f0ab72e1450b9d69e37416acfd6f987
MD5 hash: 21256c2ed906767ea878798b626bbd96
humanhash: blossom-winner-kentucky-snake
File name:mpsl
Download: download sample
Signature Mirai
File size:102'572 bytes
First seen:2024-10-24 12:26:56 UTC
Last seen:2024-10-24 15:14:52 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:UHvYMs2ziv1BV7uhsl1zWncjmT9ZtZVm2ZEaoaBEuLC2ZcB7:UHvY100hZjmZZtmj7B7
TLSH T151A3D61AAF610EFBD86FCD3706B9070535CC551B22A87B3A3574D928F60B54B0AE3D68
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 :
2
# of downloads :
5'215
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Runs as daemon
Connection attempt
Mounts file systems
Creating a file
DNS request
Changes access rights for a written file
Launching a process
Changes the time when the file was created, accessed, or modified
Opens a port
Sends data to a server
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug lolbin remote
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
Result
Verdict:
UNKNOWN
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
48 / 100
Signature
Executes the "crontab" command typically for achieving persistence
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1541164 Sample: mpsl.elf Startdate: 24/10/2024 Architecture: LINUX Score: 48 33 31.13.248.89, 21150, 59006 NETERRA-ASBG Bulgaria 2->33 35 109.202.202.202, 80 INIT7CH Switzerland 2->35 37 5 other IPs or domains 2->37 8 mpsl.elf 2->8         started        process3 process4 10 mpsl.elf sh 8->10         started        12 mpsl.elf 8->12         started        14 mpsl.elf 8->14         started        16 mpsl.elf 8->16         started        process5 18 sh crontab 10->18         started        22 sh 10->22         started        24 mpsl.elf 12->24         started        26 mpsl.elf 12->26         started        file6 31 /var/spool/cron/crontabs/tmp.73SHgw, ASCII 18->31 dropped 39 Sample tries to persist itself using cron 18->39 41 Executes the "crontab" command typically for achieving persistence 18->41 28 sh crontab 22->28         started        signatures7 process8 signatures9 43 Executes the "crontab" command typically for achieving persistence 28->43
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2024-10-24 12:27:07 UTC
File Type:
ELF32 Little (Exe)
AV detection:
4 of 38 (10.53%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalatio
Behaviour
Reads runtime system information
Changes its process name
Creates/modifies Cron job
File and Directory Permissions Modification
Renames itself
Unexpected DNS network traffic destination
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: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 f7f8dd8891b1cfa2703a5b090a8c523a7b22bdd4c87c6793af86e30bc080e2a8

(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