MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f1ab0732c7d4700af91b44fd6e26a49f2b27f0039dbb3d9dce4f8cbf1cd1484. 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: 4f1ab0732c7d4700af91b44fd6e26a49f2b27f0039dbb3d9dce4f8cbf1cd1484
SHA3-384 hash: b9f6579de61c25985c8b67fec5a998a6ca88d1f2422991d6261fe6da6f2cb6c7e911775531b39a06d40390ea5e2996d1
SHA1 hash: 879a7d609c539cd9f147737207d4b3422d0cbd06
MD5 hash: 44a0a590a97dc92588fa30a3d3ee011f
humanhash: magnesium-spring-quiet-oregon
File name:nklmips
Download: download sample
Signature Mirai
Create hunting rule
File size:65'164 bytes
First seen:2025-02-01 13:41:48 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:MAiCDwpTQqeHYSE3gp3LirgSkxNhYu0mv:wCDyTQ34iEgvDYTmv
TLSH T1E953B60A2E218FACFBAD823547B78F31975833D637E1C645E15CE9015EB024D646FBA8
telfhash t16e014f1c843453f097415ded67fdff76e49040df4a166e338e00faa99a21a865d00c2c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
94
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:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=679e2508a9881a7a01c4e35dlinux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Opens a port
Receives data from a server
Sends data to a server
Substitutes an application name
Performs a bruteforce attack in the network
Deleting of the original file
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/679e24e1c768c42083dfaee3/reports/89d73d45-1f2e-4f4d-81d2-5db5ec38c908/overview
Result
Verdict:
UNKNOWN
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/c58fa288-58a4-45bd-9bd7-1f51279f1725
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1604446
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: 1604446 Sample: nklmips.elf Startdate: 01/02/2025 Architecture: LINUX Score: 56 15 serisbot.geek. [malformed] 2->15 17 167.124.100.164 WHG11379US United States 2->17 19 100 other IPs or domains 2->19 21 Multi AV Scanner detection for submitted file 2->21 8 nklmips.elf 2->8         started        signatures3 23 Sends malformed DNS queries 15->23 process4 signatures5 25 Sample deletes itself 8->25 11 nklmips.elf 8->11         started        process6 process7 13 nklmips.elf 11->13         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4f1ab0732c7d4700af91b44fd6e26a49f2b27f0039dbb3d9dce4f8cbf1cd1484
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4f1ab0732c7d4700af91b44fd6e26a49f2b27f0039dbb3d9dce4f8cbf1cd1484/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-02-01 13:42:44 UTC
File Type:
ELF32 Big (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j4nla4zmpvdqbl4rwrh5nytkjhzle7yahhn3hwo44t4mx4oncsca._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/250201-qzv62swpgl/
Behaviour
System Network Configuration Discovery
Changes its process name
Deletes itself
Modifies Watchdog functionality
Renames itself
Unexpected DNS network traffic destination
Contacts a large (111693) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9970440-0
YARA:
n/a
Link:
https://app.threat.zone/submission/e500e741-17f0-4ab4-908f-b46bf58b2de5
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/4f1ab0732c7d4700af91b44fd6e26a49f2b27f0039dbb3d9dce4f8cbf1cd1484

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 4f1ab0732c7d4700af91b44fd6e26a49f2b27f0039dbb3d9dce4f8cbf1cd1484

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3422919/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3422984/
  
URLhaus
https://urlhaus.abuse.ch/url/3424049/
  
URLhaus
https://urlhaus.abuse.ch/url/3424075/

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