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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20d4672f40c452d53b41227f669c481703677e302954c52158515f7003d2fb27. 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: 9


Intelligence 9 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 20d4672f40c452d53b41227f669c481703677e302954c52158515f7003d2fb27
SHA3-384 hash: a55b0a980765f05c030fb829358a23a4ee156b6dc83a103d9ffee579822825b101a28290ab8b8b29482690bfa46ed691
SHA1 hash: 4d0cc5b0bc1aea41b38d1c2e35e9cf1d0bdc7ed9
MD5 hash: 49146711fd692c0855ed8717b11beaab
humanhash: salami-mango-princess-comet
File name:telnet
Download: download sample
Signature Gafgyt
Create hunting rule
File size:147'864 bytes
First seen:2026-10-06 22:32:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:qklR8BGM3+mgYwGMyZRgi8KGqiPc+k3WL7tX8h3GbF2lLothTpKkxnwjUly8CTlR:xnaUszTAYowcnaFD6knQCquS5hA5
TLSH T1A7E3E5CCFD64476FC2D223BAF74A428F37261A789797F32159A7E9B02BC17481D28191
telfhash t119212e42627e8e293ff249249cac07b129566522b2807f70ef6ec2c01537009b969d9f
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf gafgyt

Intelligence

File Origin
# of uploads :
1
# of downloads :
111
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.32133.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7139232-0
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Unix.Trojan.Mirai-10033529-0
Create hunting rule

Unix.Trojan.Mirai-10034904-0
Create hunting rule

Unix.Trojan.Mirai-10035004-0
Create hunting rule

Unix.Trojan.Tsunami-9396652-0
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Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc rust
Link:
https://www.filescan.io/uploads/6ac57729d8024541fbf72006/reports/2416a02b-4649-481f-8dd7-ce4c2f70983a/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-10-06T12:50:00Z UTC
Last seen:
2026-10-07T21:41:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/20d4672f40c452d53b41227f669c481703677e302954c52158515f7003d2fb27/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/5031bee1-dc88-4d0f-9b04-54658d6b130d
Behavior Graph:
Download SVG
%3 guuid=3ed57a95-1900-0000-d2c6-a2a51b090000 pid=2331 /usr/bin/sudo guuid=0de0a197-1900-0000-d2c6-a2a520090000 pid=2336 /tmp/sample.bin guuid=3ed57a95-1900-0000-d2c6-a2a51b090000 pid=2331->guuid=0de0a197-1900-0000-d2c6-a2a520090000 pid=2336 execve
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/91feff98-5dcd-429c-b88b-c8fcdef21c8c
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1983289
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains symbols with names commonly found in malware
Drops files in suspicious directories
Drops invisible ELF files
Found malware configuration
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to access files in /etc/config/ (typical for OpenWRT routers)
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1983289 Sample: telnet.elf Startdate: 07/10/2026 Architecture: LINUX Score: 100 113 64.89.161.96, 55487, 58078 GHOSTYNETWORKSUS Luxembourg 2->113 115 151.127.3.92, 23, 2323 OVH-TELECOMFR France 2->115 117 daisy.ubuntu.com 91.189.95.56, 35980, 35982, 35984 CANONICAL-ASGB United Kingdom 2->117 121 Found malware configuration 2->121 123 Antivirus detection for dropped file 2->123 125 Antivirus / Scanner detection for submitted sample 2->125 127 4 other signatures 2->127 13 telnet.elf 2->13         started        16 systemd gpu-manager 2->16         started        18 systemd gpu-manager 2->18         started        20 165 other processes 2->20 signatures3 process4 signatures5 143 Opens /proc/net/* files useful for finding connected devices and routers 13->143 22 telnet.elf 13->22         started        24 gpu-manager sh 16->24         started        26 gpu-manager sh 16->26         started        34 6 other processes 16->34 36 8 other processes 18->36 145 Sample reads /proc/mounts (often used for finding a writable filesystem) 20->145 28 gpu-manager sh 20->28         started        30 gpu-manager sh 20->30         started        32 gpu-manager sh 20->32         started        38 132 other processes 20->38 process6 process7 40 telnet.elf 22->40         started        44 sh grep 24->44         started        46 sh grep 26->46         started        48 sh grep 28->48         started        50 sh grep 30->50         started        52 sh grep 32->52         started        54 6 other processes 34->54 56 8 other processes 36->56 58 91 other processes 38->58 file8 105 /var/spool/cron/crontabs/root, ASCII 40->105 dropped 107 /root/.bashrc, ASCII 40->107 dropped 109 /root/.bash_profile, ASCII 40->109 dropped 111 7 other malicious files 40->111 dropped 135 Sample tries to set files in /etc globally writable 40->135 137 Sample tries to persist itself using /etc/profile 40->137 139 Drops files in suspicious directories 40->139 141 4 other signatures 40->141 60 telnet.elf sh 40->60         started        62 telnet.elf sh 40->62         started        64 telnet.elf sh 40->64         started        66 4 other processes 40->66 signatures9 process10 signatures11 69 sh at 60->69         started        73 sh 60->73         started        75 sh cp 62->75         started        77 sh chmod 62->77         started        79 sh update-rc.d 64->79         started        119 Sample tries to kill multiple processes (SIGKILL) 66->119 81 sh systemctl 66->81         started        83 sh 66->83         started        process12 file13 99 /var/spool/cron/atjobs/a0000101c78ee0, POSIX 69->99 dropped 101 /var/spool/cron/atjobs/.SEQ, ASCII 69->101 dropped 129 Sample tries to persist itself using cron 69->129 103 /tmp/.kworker, ELF 75->103 dropped 131 Drops invisible ELF files 75->131 133 Sample tries to persist itself using System V runlevels 79->133 85 update-rc.d systemctl 79->85         started        87 systemctl systemd-sysv-install 81->87         started        signatures14 process15 process16 89 systemd-sysv-install update-rc.d 87->89         started        91 systemd-sysv-install update-rc.d 87->91         started        93 systemd-sysv-install getopt 87->93         started        process17 95 update-rc.d systemctl 89->95         started        97 update-rc.d systemctl 91->97         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/20d4672f40c452d53b41227f669c481703677e302954c52158515f7003d2fb27
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/20d4672f40c452d53b41227f669c481703677e302954c52158515f7003d2fb27/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-10-06 17:40:34 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=edkgol2ayrjnko2bej7wnhcic4bwo7rqffkmkikykfpxaa6s7mtq._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt botnet
Link:
https://tria.ge/reports/261006-2gl17sysfy/
Malware Config
C2 Extraction:
64.89.161.96:55487
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/20d4672f40c452d53b41227f669c481703677e302954c52158515f7003d2fb27

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:ELF_DDoS_Gafgyt_Variant
Create hunting rule
Author:Serhii Kocherhan
Description:Detects Gafgyt (Qbot) / Mirai variant with specific DDoS functions (vseattack, ftcp, SendHTTPHex) and recon routines
Rule name:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Gafgyt_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 20d4672f40c452d53b41227f669c481703677e302954c52158515f7003d2fb27

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3909921/
  
Delivery method
Distributed via web download

Comments