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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b992e0488abed5c19f215626dee38cc4b7b92b918ab194e276924a462aa97c3f. 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: b992e0488abed5c19f215626dee38cc4b7b92b918ab194e276924a462aa97c3f
SHA3-384 hash: bb55d5024a8c29e6bdad351c21be406ec36cea913ff6aafba192b8a610f26d8ee3ab5fbf133545c366e1ab4086bbd5ce
SHA1 hash: 8051e48ef86503c804f573e2068cdc26f4db5a80
MD5 hash: e7fb7d43868a80d1ad47a599ec94eb0e
humanhash: oklahoma-robin-wolfram-cola
File name:telnetd
Download: download sample
Signature Gafgyt
Create hunting rule
File size:163'996 bytes
First seen:2026-10-07 10:58:22 UTC
Last seen:2026-10-07 11:39:50 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:xkARhBGM3+mgYwGMyPdgi8KGqiPEX5XWzBqYq0ag8mm+fHeqjZLCFhtyZkjtgFMx:l7SkjtgKxHzS6hmDnT0Q38MT5AQY
TLSH T138F3F648EE64837FC6D337FAFB5942CE37361A989397332599396AB027C57482D39120
telfhash t10d21325262bd8a193ff349389c7c03b12456551263817f70ef6ec5c01537009b965ddf
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 :
2
# of downloads :
74
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.Gafgyt-7643791-0
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Unix.Trojan.Gafgyt-9396656-0
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Unix.Trojan.Mirai-10033529-0
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Unix.Trojan.Mirai-10035004-0
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Unix.Trojan.Tsunami-9396652-0
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Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bash gcc javac lolbin rust
Link:
https://www.filescan.io/uploads/6ac626076fbbd42ed7f4c42b/reports/3d6d50c7-917a-488b-b9ee-0dde45e23f1a/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-10-07T09:04:00Z UTC
Last seen:
2026-10-07T09:20:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b992e0488abed5c19f215626dee38cc4b7b92b918ab194e276924a462aa97c3f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/7da3508e-000a-4a75-a614-665383a8e47c
Behavior Graph:
Download SVG
%3 guuid=ec6ca1d3-1900-0000-8b4f-468889090000 pid=2441 /usr/bin/sudo guuid=b2f322d6-1900-0000-8b4f-46888f090000 pid=2447 /tmp/sample.bin guuid=ec6ca1d3-1900-0000-8b4f-468889090000 pid=2441->guuid=b2f322d6-1900-0000-8b4f-46888f090000 pid=2447 execve
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/198e2238-dbd6-4c2e-8f3d-ca10c2ba43ca
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1983484
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: 1983484 Sample: telnetd.elf Startdate: 07/10/2026 Architecture: LINUX Score: 100 113 64.89.161.96, 50712, 55487 GHOSTYNETWORKSUS Luxembourg 2->113 115 92.74.171.166, 23 VODANETInternationalIP-BackboneofVodafoneDE Germany 2->115 119 Found malware configuration 2->119 121 Antivirus detection for dropped file 2->121 123 Antivirus / Scanner detection for submitted sample 2->123 125 4 other signatures 2->125 13 telnetd.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 141 Opens /proc/net/* files useful for finding connected devices and routers 13->141 22 telnetd.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->36 143 Sample reads /proc/mounts (often used for finding a writable filesystem) 20->143 28 gpu-manager sh 20->28         started        30 gpu-manager sh 20->30         started        32 gpu-manager sh 20->32         started        38 142 other processes 20->38 process6 process7 40 telnetd.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 58 107 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 133 Sample tries to set files in /etc globally writable 40->133 135 Sample tries to persist itself using /etc/profile 40->135 137 Drops files in suspicious directories 40->137 139 4 other signatures 40->139 60 telnetd.elf sh 40->60         started        62 telnetd.elf sh 40->62         started        64 telnetd.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        117 Sample tries to kill multiple processes (SIGKILL) 66->117 81 sh systemctl 66->81         started        83 sh 66->83         started        process12 file13 99 /var/spool/cron/atjobs/a0000101c791ba, POSIX 69->99 dropped 101 /var/spool/cron/atjobs/.SEQ, ASCII 69->101 dropped 127 Sample tries to persist itself using cron 69->127 103 /tmp/.kworker, ELF 75->103 dropped 129 Drops invisible ELF files 75->129 131 Sample tries to persist itself using System V runlevels 79->131 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/b992e0488abed5c19f215626dee38cc4b7b92b918ab194e276924a462aa97c3f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b992e0488abed5c19f215626dee38cc4b7b92b918ab194e276924a462aa97c3f/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-10-07 10:59:25 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xgjoasekx3k4dhzbkytn5y4mys33sk4rrkyzjytwsjfemkvjpq7q._file
Result
Malware family:
gafgyt
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Score:
  10/10
Tags:
family:gafgyt botnet
Link:
https://tria.ge/reports/261007-m3hhksfy5s/
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/b992e0488abed5c19f215626dee38cc4b7b92b918ab194e276924a462aa97c3f

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
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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
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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 b992e0488abed5c19f215626dee38cc4b7b92b918ab194e276924a462aa97c3f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3909928/
  
Delivery method
Distributed via web download

Comments