MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cfb98c20143f932b0a2057a570557b16030f6b2862dd473f0ce11dd30193aada. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cfb98c20143f932b0a2057a570557b16030f6b2862dd473f0ce11dd30193aada
SHA3-384 hash: a0e54c9b2c223063059abfe142b1d526ce13f7bd173f9d5022680fc3f096a0bc250d71d93d805bd3876bad60f6bfa55b
SHA1 hash: 149624fb0a1e99b5eef23691582b2985cd7f77e7
MD5 hash: 7c20eda62877495b13ca2815178c4885
humanhash: floor-mockingbird-mexico-september
File name:mipsel-20220426-0843
Download: download sample
Signature Mirai
Create hunting rule
File size:71'520 bytes
First seen:2022-04-26 08:43:01 UTC
Last seen:2022-04-26 08:43:10 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:+0lHEAnM2Sexx/wXCYOFSHKgvbEdKmHZXMMBxT:+IHEAnM2S0UCteKgvUMM
TLSH T14763A41AFFA15EF7E89FDC3399E90B4A24DC501A21993B757A70D824B64B14F44E38B0
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter tolisec
Tags:mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
156
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Dropper.Mirai-7540663-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug mirai obfuscated
Link:
https://www.filescan.io/uploads/6267b09779c6c1e67d304226/reports/a3ef3d0b-c758-4bbd-8fd0-ec7cefb20550/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
194.31.98.171
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/cfb98c20143f932b0a2057a570557b16030f6b2862dd473f0ce11dd30193aada
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Moobot
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cce538f1-35fc-4cf1-8cf3-ef2ffa8cef3f
Result
Threat name:
Mirai Moobot
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/983100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sample deletes itself
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses known network protocols on non-standard ports
Yara detected Mirai
Yara detected Moobot
Behaviour
Behavior Graph:
Download SVG
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cfb98c20143f932b0a2057a570557b16030f6b2862dd473f0ce11dd30193aada/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2022-04-26 08:43:05 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery linux suricata
Link:
https://tria.ge/reports/220426-kmk8esfgfn/
Behaviour
Contacts a large (92959) amount of remote hosts
Creates a large amount of network flows
suricata: ET MALWARE ELF/MooBot Mirai DDoS Variant Server Response
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/cfb98c20143f932b0a2057a570557b16030f6b2862dd473f0ce11dd30193aada

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:SUSP_XORed_Mozilla
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf cfb98c20143f932b0a2057a570557b16030f6b2862dd473f0ce11dd30193aada

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2127947/
  
Delivery method
Distributed via web download

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