MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40256a639bf47c58664f738bea7352b5e258a0149ab6c525355e804811667f72. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 40256a639bf47c58664f738bea7352b5e258a0149ab6c525355e804811667f72
SHA3-384 hash: b172642aeec2e31fa6fd41e1140a0c02eac3cfb0f9204bc3e02824533b2491a6e155df0fef42ab4a559dd8821dddc2d7
SHA1 hash: 30c5b884849f297a9d754258ddb7498a707bc6b6
MD5 hash: 8811fc83855ba30a006e96778a03f278
humanhash: coffee-pip-seven-tango
File name:mips
Download: download sample
Signature Mirai
Create hunting rule
File size:85'320 bytes
First seen:2024-12-04 04:16:06 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:K/Cf47hL1+BKJRadR/7wKC0aLqya0HEJ+sULm63t/9Fv5Fc:ICfop1+BURozC0aLqWHM69/9F8
TLSH T1A783B55D6E228F7CF799D23887B75E2156593AD127D1C084D2ACEA102E70B0F681FFA4
telfhash t120219f098a3812f49b751cd92aedee32e1a130df1a261d778d60fd9e9d1d8819e00c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
89
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=674fd89c12e85e185e758ce2linux22vpnfull_triage
Tags:
malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Sends data to a server
Connection attempt
Receives data from a server
Opens a port
Kills processes
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug
Link:
https://www.filescan.io/uploads/674fd7be44b67042f0d38d2d/reports/8c3f4335-36e5-453c-a468-b3df4cd1f27e/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/40256a639bf47c58664f738bea7352b5e258a0149ab6c525355e804811667f72
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a1f5fb84-5790-4aa4-8f18-93f717f7d2cb
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1568005
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1568005 Sample: mips.elf Startdate: 04/12/2024 Architecture: LINUX Score: 56 20 85.239.34.134, 2132, 60996 RAINBOW-HKRainbownetworklimitedHK Russian Federation 2->20 22 109.202.202.202, 80 INIT7CH Switzerland 2->22 24 3 other IPs or domains 2->24 26 Malicious sample detected (through community Yara rule) 2->26 28 Multi AV Scanner detection for submitted file 2->28 8 mips.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 mips.elf 8->14         started        process6 16 mips.elf 14->16         started        18 mips.elf 14->18         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/40256a639bf47c58664f738bea7352b5e258a0149ab6c525355e804811667f72
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/40256a639bf47c58664f738bea7352b5e258a0149ab6c525355e804811667f72/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-12-04 04:17:04 UTC
File Type:
ELF32 Big (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iaswuy436r6fqzspoof6u42swxrfriautk3mkjjvl2aeqelgp5za._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/241204-ewc1hswrhk/
Behaviour
System Network Configuration Discovery
Changes its process name
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-9441505-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/13fdc4be-c827-42b8-8ff2-a91462c2ffaa
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/40256a639bf47c58664f738bea7352b5e258a0149ab6c525355e804811667f72

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 40256a639bf47c58664f738bea7352b5e258a0149ab6c525355e804811667f72

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3283365/
  
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