MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f670802ae1a7c91e87c13a500755a815a2ebdd7801fd4633bb7367e2a0fe73dc. 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: 6


Intelligence 6 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f670802ae1a7c91e87c13a500755a815a2ebdd7801fd4633bb7367e2a0fe73dc
SHA3-384 hash: a856d9178dbc96ea8a23907396e098c7e69f8d04ec98a719a682ce18484d8b201ba9b7e38b18771a8dbb743e771c188b
SHA1 hash: cd0302d5ddbbcd237af64c14af3cfd0687c9a2a2
MD5 hash: 705ca0a64550539df64393e9e8fefadd
humanhash: rugby-seventeen-ink-romeo
File name:705ca0a64550539df64393e9e8fefadd
Download: download sample
Signature Mirai
Create hunting rule
File size:45'856 bytes
First seen:2022-04-14 23:17:52 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:Kb5bkjptv/ekThMJq5SBS8N1bh/OMsHFgfDxkPlSx2nbcuyD7UGQRjVZgDDTQ:Kb5I9tvTSqQN1bh/OMd7AMknouy8Gy3T
TLSH T15523F187E8916A2DC7724273195A3B82CF60D46E72E84EF3F364346198D9F45E124A73
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter zbetcheckin
Tags:32 elf gafgyt intel mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
250
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug
Link:
https://www.filescan.io/uploads/6258abadeab80a7a6c16f206/reports/50fc79f9-0abd-41da-8e77-61c3c0fc924d/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
2
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/f670802ae1a7c91e87c13a500755a815a2ebdd7801fd4633bb7367e2a0fe73dc
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
172.245.210.119:19372
UDP botnet C2(s):
not identified
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2d1698c7-4fa3-4f43-b386-e2765d149dd0
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/977206
Signature
Deletes security-related log files
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Sample deletes itself
Sample is packed with UPX
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 609693 Sample: wy8qAkb51p Startdate: 15/04/2022 Architecture: LINUX Score: 80 70 172.245.210.119, 19372, 43380 AS-COLOCROSSINGUS United States 2->70 72 109.202.202.202, 80 INIT7CH Switzerland 2->72 74 2 other IPs or domains 2->74 76 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->76 78 Multi AV Scanner detection for submitted file 2->78 80 Yara detected Mirai 2->80 82 Sample is packed with UPX 2->82 10 systemd mandb wy8qAkb51p 2->10         started        13 systemd logrotate 2->13         started        15 systemd install 2->15         started        17 systemd find 2->17         started        signatures3 process4 signatures5 88 Opens /proc/net/* files useful for finding connected devices and routers 10->88 19 wy8qAkb51p 10->19         started        21 wy8qAkb51p 10->21         started        23 logrotate sh 13->23         started        25 logrotate sh 13->25         started        27 logrotate gzip 13->27         started        29 logrotate gzip 13->29         started        process6 process7 31 wy8qAkb51p 19->31         started        33 sh invoke-rc.d 23->33         started        35 sh rsyslog-rotate 25->35         started        process8 37 wy8qAkb51p sh 31->37         started        39 wy8qAkb51p sh 31->39         started        41 wy8qAkb51p sh 31->41         started        53 5 other processes 31->53 43 invoke-rc.d runlevel 33->43         started        45 invoke-rc.d systemctl 33->45         started        47 invoke-rc.d ls 33->47         started        49 invoke-rc.d systemctl 33->49         started        51 rsyslog-rotate systemctl 35->51         started        process9 55 sh rm 37->55         started        58 sh rm 39->58         started        60 sh rm 41->60         started        62 sh rm 53->62         started        64 sh pkill 53->64         started        66 sh pkill 53->66         started        68 2 other processes 53->68 signatures10 84 Sample deletes itself 55->84 86 Deletes security-related log files 58->86
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f670802ae1a7c91e87c13a500755a815a2ebdd7801fd4633bb7367e2a0fe73dc/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2022-04-14 23:18:06 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
linux persistence
Link:
https://tria.ge/reports/220414-299b7sdhgk/
Behaviour
Reads runtime system information
Writes file to tmp directory
Reads CPU attributes
Creates/modifies Cron job
Write file to user bin folder
Deletes system logs
Writes file to system bin folder
Please note that we are no longer able to provide a coverage score for Virus Total.

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth
Description:Detects a suspicious ELF binary with UPX compression
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 f670802ae1a7c91e87c13a500755a815a2ebdd7801fd4633bb7367e2a0fe73dc

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2148630/

Comments


Avatar
zbet commented on 2022-04-14 23:17:55 UTC

url : hxxp://172.245.210.119/.rIIoOx29/BDK.i586