MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4f64b48e28ea2c6eecef1e58f77ca86853bb3e26405c0608879fbe42191bae7. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4f64b48e28ea2c6eecef1e58f77ca86853bb3e26405c0608879fbe42191bae7
SHA3-384 hash: eeb34da9f708bc31453ceeb91da454e9727d6d902fcf586b26c5f2e0a36544467e9285759df92f60d6b7a1c3f85b12af
SHA1 hash: 2975a9de732111199480b910b8450da7be802884
MD5 hash: e4faad8308ce38d8b11bb0c80273186b
humanhash: happy-magnesium-cup-alaska
File name:zermpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:67'692 bytes
First seen:2025-02-01 13:41:25 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:i79+h7ifbq19xCj3dQ5Qb20g4Kqd5gfevteo1etFKnxJ96Xir/5wMXyZ6:i794izq19Yjm1/4/damt91AFKnHRX1
TLSH T16863B615BF611FF7DC6BCC374AA91B4528CDA51A21A83B357934D828F24B65F06E38B0
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 :
90
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30481.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9970440-0
Create hunting rule

Unix.Trojan.Mirai-1
Create hunting rule

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=679e24d7a9881a7a01c4e327linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Receives data from a server
Opens a port
DNS request
Sends data to a server
Substitutes an application name
Deleting of the original file
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/679e24c7cc3811d26536397c/reports/8b9327c2-de9c-4073-b381-412eadd6741e/overview
Result
Verdict:
UNKNOWN
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/766c5697-2eb3-4a0e-b5cb-1e7ef04addbb
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1604468
Signature
Multi AV Scanner detection for submitted file
Sample deletes itself
Sends malformed DNS queries
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1604468 Sample: zermpsl.elf Startdate: 01/02/2025 Architecture: LINUX Score: 56 15 serisbot.geek. [malformed] 2->15 17 64.225.86.206, 1440, 54704 DIGITALOCEAN-ASNUS United States 2->17 19 6 other IPs or domains 2->19 21 Multi AV Scanner detection for submitted file 2->21 8 zermpsl.elf 2->8         started        signatures3 23 Sends malformed DNS queries 15->23 process4 signatures5 25 Sample deletes itself 8->25 11 zermpsl.elf 8->11         started        process6 process7 13 zermpsl.elf 11->13         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a4f64b48e28ea2c6eecef1e58f77ca86853bb3e26405c0608879fbe42191bae7
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a4f64b48e28ea2c6eecef1e58f77ca86853bb3e26405c0608879fbe42191bae7/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-02-01 13:42:32 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ut3ewshcr2rmn3wo6hsy656kq2ctxm7cmqc4ayeiph56iimrxltq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion
Link:
https://tria.ge/reports/250201-qzvkhswpfk/
Behaviour
Changes its process name
Deletes itself
Modifies Watchdog functionality
Renames itself
Unexpected DNS network traffic destination
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9970440-0
YARA:
n/a
Link:
https://app.threat.zone/submission/add18617-5887-438e-a138-bd4db3cec8dc
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/a4f64b48e28ea2c6eecef1e58f77ca86853bb3e26405c0608879fbe42191bae7

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
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 a4f64b48e28ea2c6eecef1e58f77ca86853bb3e26405c0608879fbe42191bae7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3422886/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3422892/
  
URLhaus
https://urlhaus.abuse.ch/url/3424060/
  
URLhaus
https://urlhaus.abuse.ch/url/3424078/

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