MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37257ac4ac699fd4b99d3ccc48cc79bc65194d4f400c13faf026218396cf14da. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 37257ac4ac699fd4b99d3ccc48cc79bc65194d4f400c13faf026218396cf14da
SHA3-384 hash: 28e752e689028eea72f616f6a5b5811558ca597b927b642b33ee5fef3e3d6fac8fdcd5714f95387e31f79a5a3907b50b
SHA1 hash: 6f71e0c62e1bb10cfbfd0aae0606009cd79fe019
MD5 hash: 7d5ac43f1458b7fe68f24287f9732fa8
humanhash: carpet-muppet-tennessee-twenty
File name:nshkmpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:97'492 bytes
First seen:2024-12-20 17:40:52 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:XJwbamjisDu7Xj0coVRolo5Ce3El0mqB+ZPEfKELUpiYwuV04ozd:XJca62TxBeUl0mW+Fwkozd
TLSH T16D93F71ABF610EFBD8AFCD3746A9074235CC555622A83B3A7534D82CB54B14F4AD3CA8
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 :
115
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.31076.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6765ac3175bf3268d2fd42c3linux22vpnfull_triage
Tags:
malware
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
Mounts file systems
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug lolbin remote
Link:
https://www.filescan.io/uploads/6765ac2fdfd3fc9d659e027f/reports/3de996c7-8b45-4fa0-a6a7-64dd03d06dd5/overview
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
Full report:
https://elfdigest.com/brief/37257ac4ac699fd4b99d3ccc48cc79bc65194d4f400c13faf026218396cf14da
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/5b4f250c-4b2a-4bd0-8a24-3d524ce7a96d
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1579059
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sends malformed DNS queries
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1579059 Sample: nshkmpsl.elf Startdate: 20/12/2024 Architecture: LINUX Score: 68 21 shitrocket.dyn. [malformed] 2->21 23 hikvision.geek. [malformed] 2->23 25 106 other IPs or domains 2->25 27 Antivirus / Scanner detection for submitted sample 2->27 29 Multi AV Scanner detection for submitted file 2->29 31 Yara detected Mirai 2->31 9 nshkmpsl.elf 2->9         started        signatures3 33 Sends malformed DNS queries 23->33 process4 process5 11 nshkmpsl.elf 9->11         started        13 nshkmpsl.elf 9->13         started        process6 15 nshkmpsl.elf 11->15         started        17 nshkmpsl.elf 13->17         started        process7 19 nshkmpsl.elf 15->19         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/37257ac4ac699fd4b99d3ccc48cc79bc65194d4f400c13faf026218396cf14da
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/37257ac4ac699fd4b99d3ccc48cc79bc65194d4f400c13faf026218396cf14da/
Threat name:
Linux.Exploit.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-12-20 17:41:05 UTC
File Type:
ELF32 Little (Exe)
AV detection:
9 of 38 (23.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g4sxvrfmngp5jom5htgertdzxrsrstkpiagbh6xqeyqyhfwpctna._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:botnet discovery
Link:
https://tria.ge/reports/241220-v9en9s1ndj/
Behaviour
Reads runtime system information
Changes its process name
Unexpected DNS network traffic destination
Contacts a large (267603) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Gafgyt-6735924-0
YARA:
n/a
Link:
https://app.threat.zone/submission/ebf8a578-902f-4965-9bc2-a46edbbfcb44
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
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
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 37257ac4ac699fd4b99d3ccc48cc79bc65194d4f400c13faf026218396cf14da

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3336084/
  
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