MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef5a32bac61065d1115920bbc8ae4c6d2568053b9770ace9f2bff06132bf1c8a. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef5a32bac61065d1115920bbc8ae4c6d2568053b9770ace9f2bff06132bf1c8a
SHA3-384 hash: 043f9789658c7842471a552682cb70cf83bc4ad1f350c6172ad1f769d8d842ef9e6dae0b3e87982bcf1ac44c48420377
SHA1 hash: 0070e6bdafe50b2a7b49bd2fe1e006451f96f15a
MD5 hash: 1a929685efc96d612aa5976f29c26275
humanhash: hotel-mountain-speaker-sink
File name:mipsel-20230706-2014
Download: download sample
Signature Gafgyt
Create hunting rule
File size:113'323 bytes
First seen:2023-07-06 20:14:03 UTC
Last seen:2023-07-06 20:39:03 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:dMvB5rtkog9yFj29AJqTBdSSdPFFrBNxGah5A4:EJg9cj5qTBd9PFFrBNxG25A4
TLSH T1AFB3F8C3AF623EB7D8CBDFB796F5C60020DE580217662B6574B4DC64A20E9CE14D3568
telfhash t1b411468164f6c51d5e9a5d78dcfc56724a81621332002fb0ee3dc5d8583b010b72dd8e
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:gafgyt

Intelligence

File Origin
# of uploads :
2
# of downloads :
79
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

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug lolbin remote
Link:
https://www.filescan.io/uploads/64a7209060057e50068472c3/reports/7edf3d89-949a-4b8a-8922-bcc0959cc10e/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
5.181.80.102
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/ef5a32bac61065d1115920bbc8ae4c6d2568053b9770ace9f2bff06132bf1c8a
Behaviour
no suspicious findings
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/c6188408-1098-4b3d-b216-40a00619ed7a
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1268556
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: 1268556 Sample: mipsel-20230706-2014.elf Startdate: 06/07/2023 Architecture: LINUX Score: 96 89 fucking.blackpeople.lol 2->89 91 219.115.43.197 ZAQJupiterTelecommunicationsCoLtdJP Japan 2->91 93 99 other IPs or domains 2->93 95 Snort IDS alert for network traffic 2->95 97 Antivirus / Scanner detection for submitted sample 2->97 99 Multi AV Scanner detection for submitted file 2->99 101 2 other signatures 2->101 12 mipsel-20230706-2014.elf 2->12         started        signatures3 process4 signatures5 115 Sample deletes itself 12->115 15 mipsel-20230706-2014.elf 12->15         started        17 mipsel-20230706-2014.elf 12->17         started        process6 process7 19 mipsel-20230706-2014.elf 15->19         started        21 mipsel-20230706-2014.elf 15->21         started        23 mipsel-20230706-2014.elf 15->23         started        25 mipsel-20230706-2014.elf 15->25         started        process8 27 mipsel-20230706-2014.elf 19->27         started        29 mipsel-20230706-2014.elf 19->29         started        31 mipsel-20230706-2014.elf 19->31         started        33 18 other processes 19->33 process9 35 mipsel-20230706-2014.elf 27->35         started        37 mipsel-20230706-2014.elf sh 29->37         started        41 mipsel-20230706-2014.elf sh 29->41         started        43 mipsel-20230706-2014.elf sh 31->43         started        45 mipsel-20230706-2014.elf sh 31->45         started        47 mipsel-20230706-2014.elf sh 33->47         started        49 mipsel-20230706-2014.elf sh 33->49         started        51 mipsel-20230706-2014.elf sh 33->51         started        53 34 other processes 33->53 file10 55 mipsel-20230706-2014.elf sh 35->55         started        59 mipsel-20230706-2014.elf sh 35->59         started        77 /etc/rc.local, ASCII 37->77 dropped 103 Sample tries to persist itself using System V runlevels 37->103 61 sh chmod 37->61         started        79 /etc/init.d/rcD, ASCII 43->79 dropped 105 Drops files in suspicious directories 43->105 63 sh chmod 43->63         started        81 /etc/profile, ASCII 47->81 dropped 107 Sample tries to persist itself using /etc/profile 47->107 83 /etc/cron.hourly/0, ASCII 49->83 dropped 109 Sample tries to persist itself using cron 49->109 65 sh iptables 51->65         started        85 /etc/passwd, ASCII 53->85 dropped 67 mipsel-20230706-2014.elf sh 53->67         started        69 mipsel-20230706-2014.elf sh 53->69         started        signatures11 process12 file13 87 /etc/init.d/multipath-tools, ASCII 55->87 dropped 111 Drops files in suspicious directories 55->111 71 sh chmod 55->71         started        113 Executes the "iptables" command to insert, remove and/or manipulate rules 65->113 73 sh su 67->73         started        75 sh 67->75         started        signatures14 process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef5a32bac61065d1115920bbc8ae4c6d2568053b9770ace9f2bff06132bf1c8a/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2023-07-06 20:15:06 UTC
File Type:
ELF32 Little (Exe)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=55ndfowgcbs5cekzec54rlsmnuswqbj3s5ykz2psx7ygcmv7dsfa._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery persistence
Link:
https://tria.ge/reports/230706-yz12aseb55/
Behaviour
Reads runtime system information
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 (134544) 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/ef5a32bac61065d1115920bbc8ae4c6d2568053b9770ace9f2bff06132bf1c8a

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:myMirai
Create hunting rule
Description:Mirai
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 ef5a32bac61065d1115920bbc8ae4c6d2568053b9770ace9f2bff06132bf1c8a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2676950/
  
Delivery method
Distributed via web download

Comments