MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77127ae9b28ce4a505666410fc5aa343d7b3cd4dc77ec07da5c6737fe75a5fcb. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 77127ae9b28ce4a505666410fc5aa343d7b3cd4dc77ec07da5c6737fe75a5fcb
SHA3-384 hash: 40c3f7b5687160397fe6d7c7968491e3916a3cf839e04ec2a8a97a0189073c89f062caaabc5b1390f4389bb07ff89a0f
SHA1 hash: 825241b59ae56c543490da9da9d5713c5b5c7bc0
MD5 hash: c2575dcc05d235fdba210f99feadb1d9
humanhash: michigan-fruit-timing-fish
File name:spim
Download: download sample
Signature Mirai
Create hunting rule
File size:138'630 bytes
First seen:2025-03-19 08:16:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:mVqSjUF+uLHLVdiLzLsLzLsL7LeLGLXL0LLLkLhqqvZjptByZEGkbU+/pWacxZkL:tr9dy1B2gSpLg7j
TLSH T150D3642E3E21BFAEE268837107F39FB0939525D736E1C385E16CD6185EB428C185E794
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
105
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-8041698-0
Create hunting rule

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

Unix.Trojan.Mirai-10033788-0
Create hunting rule

Unix.Packed.Botnet-6566031-0
Create hunting rule

Unix.Dropper.Botnet-6566040-0
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67da8c69194f23322a711e6blinux22vpnfull_triage
Tags:
gafgyt mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Changes access rights for a written file
DNS request
Changes the time when the file was created, accessed, or modified
Launching a process
Sends data to a server
Opens a port
Creating a file
Receives data from a server
Runs as daemon
Kills critical processes
Writes files to system directory
Creates or modifies files in /cron to set up autorun
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
gcc lolbin remote
Link:
https://www.filescan.io/uploads/67da7d890a7899f3579d7dab/reports/17e621f2-abe7-4c9f-ab09-23e24183b1c7/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
55
Number of processes launched:
5
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/77127ae9b28ce4a505666410fc5aa343d7b3cd4dc77ec07da5c6737fe75a5fcb
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/dfa85b57-911f-43f7-a11f-e569bd2808cd
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1642633
Signature
Antivirus / Scanner detection for submitted sample
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1642633 Sample: spim.elf Startdate: 19/03/2025 Architecture: LINUX Score: 88 31 109.202.202.202, 80 INIT7CH Switzerland 2->31 33 37.44.238.92, 36120, 443, 51780 HARMONYHOSTING-ASFR France 2->33 35 4 other IPs or domains 2->35 37 Antivirus / Scanner detection for submitted sample 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected Mirai 2->41 9 spim.elf 2->9         started        signatures3 process4 process5 11 spim.elf 9->11         started        13 spim.elf 9->13         started        process6 15 spim.elf sh 11->15         started        17 spim.elf sh 11->17         started        19 spim.elf 13->19         started        21 spim.elf 13->21         started        process7 23 sh crontab 15->23         started        27 sh crontab 17->27         started        file8 29 /var/spool/cron/crontabs/tmp.nUQDM6, ASCII 23->29 dropped 43 Sample tries to persist itself using cron 23->43 45 Executes the "crontab" command typically for achieving persistence 23->45 signatures9
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/77127ae9b28ce4a505666410fc5aa343d7b3cd4dc77ec07da5c6737fe75a5fcb
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/77127ae9b28ce4a505666410fc5aa343d7b3cd4dc77ec07da5c6737fe75a5fcb/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-03-19 08:17:12 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=o4jhv2nsrtskkblgmqipywvdipl3htkny57ma7nfyzzx7z22l7fq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/250319-j6rnwayjs7/
Behaviour
Reads runtime system information
Creates/modifies Cron job
Enumerates running processes
Renames itself
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-8041698-0
YARA:
n/a
Link:
https://app.threat.zone/submission/bd1e98e5-a4e6-482a-b794-7e15184917ca
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/77127ae9b28ce4a505666410fc5aa343d7b3cd4dc77ec07da5c6737fe75a5fcb

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:iot_req_metachar
Create hunting rule
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_1ac392ca
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

elf 77127ae9b28ce4a505666410fc5aa343d7b3cd4dc77ec07da5c6737fe75a5fcb

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3273144/
  
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