MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aef5642907d2349271ba29b866800d26beb5eb8831bcc217529e6585b242bc89. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aef5642907d2349271ba29b866800d26beb5eb8831bcc217529e6585b242bc89
SHA3-384 hash: f07abd8d41b2352eff66d8d1e3fd707f922b58daefac83c7d44a3d9db52a2be8ff980a5f1ef6995cdf92853f59a1e476
SHA1 hash: cc58d153c591a329a0312f6d0b4490df874ca51e
MD5 hash: 0ca916db64f11f41d5398a921b17f03d
humanhash: ink-nebraska-december-utah
File name:nshkarm
Download: download sample
Signature Mirai
Create hunting rule
File size:76'232 bytes
First seen:2024-12-17 14:16:11 UTC
Last seen:2025-01-02 16:31:30 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:UwxxdU9ZaN3A0Lljcjclxz7zHHcf6Eg/1WW2CQuoNDdSf4p5NdjMlNofRHeR++Ev:LxxcEJb74fEA0f4HolCRLZlyQIsgvj
TLSH T188732981BD815A13C6D112BBFB2E418D772713A8D2EE7203DE25AF21778792B0E77641
telfhash t1bcf02e220dc50ad92bd0b381925d3637d62e30f69915599681acaf16c2326c1b97693d
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 :
3
# of downloads :
163
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.31076.LX.BOT.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=676188778fb73f13afd11b52linux22vpnfull_triage
Tags:
malware
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug lolbin remote
Link:
https://www.filescan.io/uploads/676187dff7969ba597abf800/reports/28de140d-7769-45b2-ad51-1057a4df57d4/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
43
Number of processes launched:
7
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/aef5642907d2349271ba29b866800d26beb5eb8831bcc217529e6585b242bc89
Behaviour
Anti-VM
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fb3247fb-fdfd-46eb-8991-b6f0dfdd61c8
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1576787
Signature
Connects to many ports of the same IP (likely port scanning)
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1576787 Sample: nshkarm.elf Startdate: 17/12/2024 Architecture: LINUX Score: 60 32 212.64.215.71, 13079, 17375, 51780 RACKSPACE-LONGB Turkey 2->32 34 109.202.202.202, 80 INIT7CH Switzerland 2->34 36 3 other IPs or domains 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 Connects to many ports of the same IP (likely port scanning) 2->40 9 dash rm nshkarm.elf 2->9         started        11 dash rm 2->11         started        signatures3 process4 process5 13 nshkarm.elf sh 9->13         started        15 nshkarm.elf 9->15         started        17 nshkarm.elf 9->17         started        process6 19 sh crontab 13->19         started        23 sh 13->23         started        25 nshkarm.elf 15->25         started        file7 30 /var/spool/cron/crontabs/tmp.IVIgeR, ASCII 19->30 dropped 42 Sample tries to persist itself using cron 19->42 44 Executes the "crontab" command typically for achieving persistence 19->44 27 sh crontab 23->27         started        signatures8 process9 signatures10 46 Executes the "crontab" command typically for achieving persistence 27->46
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/aef5642907d2349271ba29b866800d26beb5eb8831bcc217529e6585b242bc89
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/aef5642907d2349271ba29b866800d26beb5eb8831bcc217529e6585b242bc89/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-12-17 14:17:04 UTC
File Type:
ELF32 Little (Exe)
AV detection:
8 of 38 (21.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=v32wikih2i2je4n2fg4gnaane27ll24igg6mef2stzsylmscxseq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalatio
Link:
https://tria.ge/reports/241217-rln19aslhk/
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
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/994d17c2-ebe4-47d3-a4aa-ffddcce607ba
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/aef5642907d2349271ba29b866800d26beb5eb8831bcc217529e6585b242bc89

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:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
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

sh 502c9f41045c9e1e2f47c99530a41ab9b92eed7e2b2eacf387182c2be91258b8

Mirai

elf aef5642907d2349271ba29b866800d26beb5eb8831bcc217529e6585b242bc89

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3336045/
  
Delivery method
Distributed via web download
  
Dropped by
SHA256 502c9f41045c9e1e2f47c99530a41ab9b92eed7e2b2eacf387182c2be91258b8
  
Dropped by
MD5 e08d00a694081473f410c46510919e4b

Comments