MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f61cf126f9cac2720fce4db2068a41b5b25fb294ca4cb25938454250e9edd7ff. 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


Gafgyt


Vendor detections: 6


Intelligence 6 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f61cf126f9cac2720fce4db2068a41b5b25fb294ca4cb25938454250e9edd7ff
SHA3-384 hash: 12cae87e9ea2f5bfbdf9dd5ceab04da41a826e2fc971f76241e764a87b1cc3a5bef36352fd56d6e10a04792361dabc00
SHA1 hash: 0e77fba208cea076f0170a2d37e8e5ead6ffb9b4
MD5 hash: 39f9c12c4bb87b5c2c88b5ea207fe9ff
humanhash: sad-fish-oranges-fifteen
File name:armv7l-20230705-0155
Download: download sample
Signature Gafgyt
Create hunting rule
File size:161'372 bytes
First seen:2023-07-05 01:55:41 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:pmdcNa3e1zTYOPy4xXaaTLiLVKqm95lM/9v05wU:c2Na3e1zTYOq4xr6VKN9HM/985H
TLSH T17FF30AC6DB417E37C1C36BB6FADBD14533E38B14A3972305A4586FF06B4BA890E16609
telfhash t138213f8664f68518abb65d34ddfc97b20691132322442fb09f2ec4c89d3b002eb39c8a
Reporter elfdigest
Tags:gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
112
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-69.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-78.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29523.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9760303-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin mirai remote
Link:
https://www.filescan.io/uploads/64a4cdb3302776c72e73a573/reports/5b2ad42f-887c-4a3b-b653-dfed48a4b999/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
5.181.80.102
Number of open files:
89
Number of processes launched:
73
Processes remaning?
false
Remote TCP ports scanned:
5555
Full report:
https://elfdigest.com/brief/f61cf126f9cac2720fce4db2068a41b5b25fb294ca4cb25938454250e9edd7ff
Behaviour
Persistence
Firewall Changes
Kernel Modules
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/da3f915d-6e38-4bb4-aaed-9979ed1f7b3b
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1266868
Signature
Antivirus / Scanner detection for submitted sample
Drops files in suspicious directories
Executes the "iptables" command to insert, remove and/or manipulate rules
Found strings indicative of a multi-platform dropper
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Snort IDS alert for network traffic
Uses known network protocols on non-standard ports
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1266868 Sample: armv7l-20230705-0155.elf Startdate: 05/07/2023 Architecture: LINUX Score: 96 79 fucking.blackpeople.lol 2->79 81 102.146.90.26 ZAIN-ZAMBIAZM Zambia 2->81 83 99 other IPs or domains 2->83 85 Snort IDS alert for network traffic 2->85 87 Antivirus / Scanner detection for submitted sample 2->87 89 Multi AV Scanner detection for submitted file 2->89 91 2 other signatures 2->91 12 armv7l-20230705-0155.elf 2->12         started        signatures3 process4 signatures5 105 Sample deletes itself 12->105 15 armv7l-20230705-0155.elf 12->15         started        17 armv7l-20230705-0155.elf 12->17         started        process6 process7 19 armv7l-20230705-0155.elf 15->19         started        21 armv7l-20230705-0155.elf 15->21         started        23 armv7l-20230705-0155.elf 15->23         started        process8 25 armv7l-20230705-0155.elf 19->25         started        27 armv7l-20230705-0155.elf 19->27         started        29 armv7l-20230705-0155.elf 19->29         started        31 19 other processes 19->31 process9 33 armv7l-20230705-0155.elf 25->33         started        35 armv7l-20230705-0155.elf sh 27->35         started        39 armv7l-20230705-0155.elf sh 27->39         started        41 armv7l-20230705-0155.elf sh 29->41         started        43 armv7l-20230705-0155.elf sh 29->43         started        45 armv7l-20230705-0155.elf sh 31->45         started        47 armv7l-20230705-0155.elf sh 31->47         started        49 sh iptables 31->49         started        51 32 other processes 31->51 file10 53 armv7l-20230705-0155.elf sh 33->53         started        57 armv7l-20230705-0155.elf sh 33->57         started        67 /etc/rc.local, ASCII 35->67 dropped 93 Sample tries to persist itself using System V runlevels 35->93 59 sh chmod 35->59         started        69 /etc/init.d/rcD, ASCII 41->69 dropped 95 Drops files in suspicious directories 41->95 61 sh chmod 41->61         started        71 /etc/cron.hourly/0, ASCII 45->71 dropped 97 Sample tries to persist itself using cron 45->97 73 /etc/profile, ASCII 47->73 dropped 99 Sample tries to persist itself using /etc/profile 47->99 101 Executes the "iptables" command to insert, remove and/or manipulate rules 49->101 75 /etc/passwd, ASCII 51->75 dropped 63 sh rm 51->63         started        signatures11 process12 file13 77 /etc/init.d/multipath-tools, ASCII 53->77 dropped 103 Drops files in suspicious directories 53->103 65 sh chmod 53->65         started        signatures14 process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f61cf126f9cac2720fce4db2068a41b5b25fb294ca4cb25938454250e9edd7ff/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2023-07-04 22:05:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 23 (60.87%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6yopcjxzzlbhed6ojwzancsbwwzf7muuzjglewjyivbfb2pn277q._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery persistence
Link:
https://tria.ge/reports/230705-ccn8bsbg5y/
Behaviour
Writes file to tmp directory
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Modifies init.d
Modifies rc script
Writes file to system bin folder
Deletes itself
Modifies Watchdog functionality
Modifies password files for system users/ groups
Contacts a large (472957) amount of remote hosts
Creates a large amount of network flows
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/f61cf126f9cac2720fce4db2068a41b5b25fb294ca4cb25938454250e9edd7ff

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:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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

Gafgyt

elf f61cf126f9cac2720fce4db2068a41b5b25fb294ca4cb25938454250e9edd7ff

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2676523/
  
Delivery method
Distributed via web download

Comments