MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f7fd4a7ad8e8d9ffa6023cbe778a398e3cb6b88f2ec1465960d1cbeebe537d99. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f7fd4a7ad8e8d9ffa6023cbe778a398e3cb6b88f2ec1465960d1cbeebe537d99
SHA3-384 hash: 4116c661c5f98ffb65b0bef3c662ff5e31d19d26da86d438f906bbe1eb445b0f772b1bcc0b0cf0dc019f15c0e29584d2
SHA1 hash: bde4578dc2e393c639e2597ed1934f9a2a046882
MD5 hash: 46a642305daf39660f342b55cd725145
humanhash: connecticut-juliet-fourteen-nitrogen
File name:nullnet_load.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:108'704 bytes
First seen:2025-08-04 22:02:22 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:XLRemFZYH7D+jr8Cnmhs5ViW1GNogdr67Sxp8NMjhZKmACZ2:XVemFZYH7D+jNnpF1GpLjh
TLSH T18AB3830A7F600EF7ECABDC374ADA2749249D141A21997F75BD34D818F24A24F19E78B0
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 :
33
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7135937-0
Create hunting rule

Unix.Dropper.Mirai-7136014-0
Create hunting rule

Unix.Dropper.Mirai-7355719-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Unix.Trojan.Mirai-1
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Connection attempt
DNS request
Runs as daemon
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade mirai obfuscated obfuscated
Link:
https://www.filescan.io/uploads/68912e2c32e61090868d2b05/reports/1d292f10-1cfa-4b2a-bd31-ed02de293101/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/9c0fa8c9-ee84-4883-9afb-9bd5248db437
Behavior Graph:
Download SVG
%3 guuid=19259bb0-1900-0000-efc4-5a189b090000 pid=2459 /usr/bin/sudo guuid=5bd639b2-1900-0000-efc4-5a18a3090000 pid=2467 /tmp/sample.bin guuid=19259bb0-1900-0000-efc4-5a189b090000 pid=2459->guuid=5bd639b2-1900-0000-efc4-5a18a3090000 pid=2467 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a40734ff-af2e-466d-be4a-d06cebb237b2
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1750156
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1750156 Sample: nullnet_load.mpsl.elf Startdate: 05/08/2025 Architecture: LINUX Score: 76 26 41.60.37.20, 37215 ZOL-ASGB Mauritius 2->26 28 41.202.14.239 ZIPNETGH Ghana 2->28 30 99 other IPs or domains 2->30 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 nullnet_load.mpsl.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 nullnet_load.mpsl.elf 8->14         started        16 nullnet_load.mpsl.elf 8->16         started        process6 18 nullnet_load.mpsl.elf 14->18         started        20 nullnet_load.mpsl.elf 14->20         started        22 nullnet_load.mpsl.elf 14->22         started        24 nullnet_load.mpsl.elf 14->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f7fd4a7ad8e8d9ffa6023cbe778a398e3cb6b88f2ec1465960d1cbeebe537d99
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f7fd4a7ad8e8d9ffa6023cbe778a398e3cb6b88f2ec1465960d1cbeebe537d99/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/f7fd4a7ad8e8d9ffa6023cbe778a398e3cb6b88f2ec1465960d1cbeebe537d99
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2022-12-27 04:49:00 UTC
File Type:
ELF32 Little (Exe)
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=676uu6wy5dm77jqchs7hpcrzry6lnoepf3aumwla2hf65pstpwmq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:ecchi credential_access defense_evasion discovery upx
Link:
https://tria.ge/reports/250804-1yjrqswtas/
Behaviour
Changes its process name
Reads process memory
Modifies Watchdog functionality
Contacts a large (58009) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
botnet mirai Unix.Trojan.Mirai-7135937-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_1
Link:
https://app.threat.zone/submission/032ba98b-e9ea-4d15-b536-7e0fc070c5b5
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/f7fd4a7ad8e8d9ffa6023cbe778a398e3cb6b88f2ec1465960d1cbeebe537d99

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:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_1_RID2F39
Create hunting rule
Author:Florian Roth
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:unixredflags3
Create hunting rule
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 f7fd4a7ad8e8d9ffa6023cbe778a398e3cb6b88f2ec1465960d1cbeebe537d99

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3596295/
  
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