MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d365f4c4e3f94622f7e7fd786ba773de51f4bd41ecf9ff2295f3628ab5c440c. 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 5 File information Comments

SHA256 hash: 4d365f4c4e3f94622f7e7fd786ba773de51f4bd41ecf9ff2295f3628ab5c440c
SHA3-384 hash: a4c7b2f195f1f84b095192b28754dbcc0d76b1c530e6e95fb9135374543f14129163d927a2b72e20dbca138e0ffa4ca2
SHA1 hash: d9262e6ab9d9a92342fff5fe38758f59b37a1561
MD5 hash: d8edb88e8280e241f06c014b85d0362f
humanhash: violet-mobile-tango-sweet
File name:notabotnet.arm
Download: download sample
Signature Mirai
File size:80'156 bytes
First seen:2022-08-06 05:05:16 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:6Muq7Gf9ER0B0dFdA4ThnpOwLjoUoB8t46vqH3CJV9IP:huqGff4x8wfXo84gqXCJV
TLSH T1F0731986BC80E626CBC01677FA2F508D37156BD8E1DA33029D155FA07BCE81F1D6BA85
telfhash t16d41da2adfb90eac93d95104c2dd64221ffa34692f063952db1c271fca8a691f42d837
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter @elfdigest
Tags:mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
148
Origin country :
DE DE
Mail intelligence
No data
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
anti-debug obfuscated
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
scan.fearfulcats.tk/notabotnet
Number of open files:
23
Number of processes launched:
7
Processes remaning?
true
Remote TCP ports scanned:
5500,2323,23,37215
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
185.225.73.158:4281
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
80 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 679628 Sample: notabotnet.arm Startdate: 06/08/2022 Architecture: LINUX Score: 80 22 cnc.fearfulcats.tk 2->22 24 156.158.25.69, 37215 airtel-tz-asTZ Tanzania United Republic of 2->24 26 99 other IPs or domains 2->26 28 Snort IDS alert for network traffic 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 3 other signatures 2->34 8 notabotnet.arm 2->8         started        signatures3 process4 process5 10 notabotnet.arm 8->10         started        12 notabotnet.arm 8->12         started        process6 14 notabotnet.arm 10->14         started        16 notabotnet.arm 10->16         started        18 notabotnet.arm 10->18         started        20 2 other processes 10->20
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2022-07-29 03:41:20 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a

YARA Signatures


MalareBazaar uses YARA rules from several public and non-public repositories, such as Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious proccess dumps they may create. Please note that only results from TLP:WHITE rules are being displayeyd.

Rule name:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:myMirai
Description:Mirai
Rule name:SUSP_XORed_Mozilla
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
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
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 4d365f4c4e3f94622f7e7fd786ba773de51f4bd41ecf9ff2295f3628ab5c440c

(this sample)

  
Delivery method
Distributed via web download

Comments