MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57708906b7b5c6ba0be7b7e8b879cb698cb8f3e96ac466fb67769c2ff6029fa2. 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: 11


Intelligence 11 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 57708906b7b5c6ba0be7b7e8b879cb698cb8f3e96ac466fb67769c2ff6029fa2
SHA3-384 hash: 22ec2a195e28b4690b735c48d9f00f6903d2bf7b1507f258367b8e91ba65dd20067ed43b48395f7dd698f5744a9027f5
SHA1 hash: 1f4e000386281f7ac55dd808df1667824837db05
MD5 hash: a02baf2be01152c14a355f3a452707fb
humanhash: summer-spaghetti-butter-johnny
File name:x-3.2-.Sakura
Download: download sample
Signature Gafgyt
Create hunting rule
File size:84'999 bytes
First seen:2025-08-14 16:07:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:W35b9Vc4N3J6lreu5r4hWj8LMWDloRmF+wVOz+sXcfW7k:Ab9Vc4JJ6liuq0YI2oRmEwVOz+ucfW7k
TLSH T1F2833C02E743C6B3CC830BB2029BAE665931BDAA1E269F49F31D7DF45B128C47116F55
telfhash t1d211020260b689282bb259205cbc42f1165526233341be75bf0ec5c4993b002aa78e8b
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 mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
30
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.2205.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Unix.Trojan.Gafgyt-6981156-0
Create hunting rule

Unix.Dropper.Mirai-7138865-0
Create hunting rule

Unix.Dropper.Mirai-7138907-0
Create hunting rule

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

Unix.Trojan.Gafgyt-7643791-0
Create hunting rule

Unix.Trojan.Gafgyt-9809564-0
Create hunting rule

Unix.Trojan.Mirai-9943729-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Receives data from a server
Runs as daemon
Connection attempt
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6b485a12-6db2-48f1-a048-abb750f65516
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1757238
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Contains symbols with names commonly found in malware
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Suricata IDS alerts for network traffic
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1757238 Sample: x-3.2-.Sakura.elf Startdate: 14/08/2025 Architecture: LINUX Score: 100 21 212.11.64.25, 12345, 41872, 41874 CALYPSO-ITDE United Kingdom 2->21 23 169.254.169.254, 80 USDOSUS Reserved 2->23 25 4 other IPs or domains 2->25 27 Suricata IDS alerts for network traffic 2->27 29 Found malware configuration 2->29 31 Malicious sample detected (through community Yara rule) 2->31 33 6 other signatures 2->33 8 x-3.2-.Sakura.elf 2->8         started        11 dash rm 2->11         started        13 dash rm 2->13         started        15 python3.8 dpkg 2->15         started        signatures3 process4 signatures5 35 Opens /proc/net/* files useful for finding connected devices and routers 8->35 17 x-3.2-.Sakura.elf 8->17         started        process6 process7 19 x-3.2-.Sakura.elf 17->19         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/57708906b7b5c6ba0be7b7e8b879cb698cb8f3e96ac466fb67769c2ff6029fa2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/57708906b7b5c6ba0be7b7e8b879cb698cb8f3e96ac466fb67769c2ff6029fa2/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Gafgyt
Link:
https://tip.neiki.dev/file/57708906b7b5c6ba0be7b7e8b879cb698cb8f3e96ac466fb67769c2ff6029fa2
Threat name:
Linux.Trojan.LnxGafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-08-14 16:09:38 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k5yisbvxwxdluc7hw7ulq6olngglr47jnlcgn63ho2oc75qct6ra._file
Result
Malware family:
gafgyt
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Score:
  10/10
Tags:
family:gafgyt discovery linux
Link:
https://tria.ge/reports/250814-tl8f1axjs9/
Behaviour
Reads system network configuration
Reads system routing table
Malware Config
C2 Extraction:
212.11.64.25:12345
Verdict:
Malicious
Tags:
botnet trojan gafgyt Unix.Trojan.Gafgyt-6981156-0
YARA:
botnet_dayzddos Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_6122acdf Linux_Trojan_Gafgyt_1b2e2a3a Linux_Trojan_Gafgyt_9127f7be Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/7cfbc938-e5e5-493e-a892-64be4d017d7f
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/57708906b7b5c6ba0be7b7e8b879cb698cb8f3e96ac466fb67769c2ff6029fa2

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:botnet_dayzddos
Create hunting rule
Author:NDA0E
Description:dayzddos botnet
Rule name:botnet_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
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_Trojan_Gafgyt_1b2e2a3a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_6122acdf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9127f7be
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: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 57708906b7b5c6ba0be7b7e8b879cb698cb8f3e96ac466fb67769c2ff6029fa2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3603070/
  
Delivery method
Distributed via web download

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