MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 09c8874da26ded7492d98d1cd423084a480409432adf6e4dc2e9397aa49dc26c. 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: 10


Intelligence 10 IOCs YARA 22 File information Comments

SHA256 hash: 09c8874da26ded7492d98d1cd423084a480409432adf6e4dc2e9397aa49dc26c
SHA3-384 hash: 80fee3c86e13839b2693935cfc058b17b3373059210bd2c0339756038c8d8394c45fad81f7958fc899d9a235eb6a1ddd
SHA1 hash: e3bd8c19484ec40506c4ba7af6da64ae28e51a2c
MD5 hash: 8a797c80aa8d1568d51886f21d985b8d
humanhash: high-kansas-spaghetti-zulu
File name:x-8.6-.Sakura
Download: download sample
Signature Gafgyt
File size:346'581 bytes
First seen:2025-06-30 10:28:04 UTC
Last seen:2025-06-30 23:55:00 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:IML7xGRzlg1sCG3TG1Pp5ghpwUPtwy8Q4m5CYviSdS5Zj7FwtWSMuCOq7Ig0lD:IM58lKsCG3y1spwWtwO5JdS5Zj7FwtWQ
TLSH T105747D17F59084F7C4838AB22BDBA2B29C22F57E07723147B3947F696F08995265DBC0
telfhash t16ca17355983d49e9af634d28987d6bf31597a02522a2be28ff26ccc0449f01df514e0f
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 :
2
# of downloads :
78
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30395.LC.UNOFFICIAL
SecuriteInfo.com.Linux.Siggen.2205.UNOFFICIAL
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Sanesecurity.Malware.30420.LX.BOT.UNOFFICIAL
Sanesecurity.Malware.32134.LX.BOT.UNOFFICIAL
Unix.Trojan.Gafgyt-6981154-0
Unix.Trojan.Tsunami-6981155-0
Unix.Trojan.Tsunami-6981163-0
Unix.Trojan.Gafgyt-6981165-0
Unix.Trojan.Mirai-6981169-0
Unix.Dropper.Mirai-7135935-0
Unix.Dropper.Mirai-7135940-0
Unix.Dropper.Mirai-7135945-0
Unix.Dropper.Mirai-7135968-0
Unix.Dropper.Mirai-7136072-0
Unix.Dropper.Mirai-7136105-0
Unix.Dropper.Mirai-7139223-0
Unix.Dropper.Mirai-7139232-0
Unix.Dropper.Mirai-7540662-0
Unix.Trojan.Gafgyt-7643791-0
Unix.Proxy.Mirai-7844054-0
Unix.Trojan.Gafgyt-9396656-0
Unix.Dropper.Gafgyt-9762292-0
Unix.Trojan.Gafgyt-9762295-0
Unix.Trojan.Mirai-9847812-0
Unix.Trojan.Mirai-9864781-0
Unix.Trojan.Mirai-9943729-0
Unix.Trojan.Mirai-9951087-0
Unix.Trojan.Mirai-5607483-0
Verdict:
Malicious
Score:
92.5%
Tags:
backdoor botnet remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Kills processes
Creating a file
Sets a written file as executable
Manages services
Collects information on the OS
Connection attempt
Changes the time when the file was created, accessed, or modified
Collects information on the CPU
Writes files to system directory
Deletes a system binary file
Replaces system binary files
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
37
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Gafgyt 38.34.15.2:21451
UDP botnet C2(s):
not identified
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
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
Malicious sample detected (through community Yara rule)
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Opens /proc/net/* files useful for finding connected devices and routers
Protects files from modification
Sample deletes itself
Uses dynamic DNS services
Writes identical ELF files to multiple locations
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1725415 Sample: x-8.6-.Sakura.elf Startdate: 30/06/2025 Architecture: LINUX Score: 100 46 btorgbds.duckdns.org 2->46 48 169.254.169.254, 80 USDOSUS Reserved 2->48 50 5 other IPs or domains 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for dropped file 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 60 3 other signatures 2->60 8 x-8.6-.Sakura.elf 2->8         started        signatures3 58 Uses dynamic DNS services 46->58 process4 file5 40 /usr/lib/.Qggi4vNT, ELF 8->40 dropped 42 /root/.bashrc, ASCII 8->42 dropped 44 /root/.bash_profile, ASCII 8->44 dropped 70 Drops invisible ELF files 8->70 72 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 8->72 74 Opens /proc/net/* files useful for finding connected devices and routers 8->74 12 x-8.6-.Sakura.elf sh 8->12         started        14 x-8.6-.Sakura.elf sh 8->14         started        16 x-8.6-.Sakura.elf sh 8->16         started        18 64 other processes 8->18 signatures6 process7 process8 20 sh cp 12->20         started        24 sh cp 14->24         started        26 sh cp 16->26         started        28 sh dd 18->28         started        30 sh dd 18->30         started        32 sh dd 18->32         started        34 59 other processes 18->34 file9 36 /usr/sbin/init, ELF 20->36 dropped 62 Writes identical ELF files to multiple locations 20->62 64 Drops files in suspicious directories 20->64 38 /usr/bin/systemctl, ELF 26->38 dropped 66 Protects files from modification 34->66 68 Sample deletes itself 34->68 signatures10
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-06-30 11:37:03 UTC
File Type:
ELF64 Little (Exe)
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:gafgyt botnet credential_access defense_evasion discovery linux persistence privilege_escalation
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads CPU attributes
Reads system network configuration
Modifies Bash startup script
Creates/modifies environment variables
Enumerates running processes
Modifies systemd
Reads system routing table
Write file to user bin folder
Writes file to system bin folder
File and Directory Permissions Modification
Executes dropped EXE
Modifies Watchdog functionality
OS Credential Dumping
Unexpected DNS network traffic destination
Writes DNS configuration
Detected Gafgyt variant
Gafgyt family
Gafgyt/Bashlite
Malware Config
C2 Extraction:
239.255.255.250:1900
Verdict:
Unknown
Tags:
botnet trojan gafgyt
YARA:
botnet_dayzddos Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_a0a4de11 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_dd0d6173 Linux_Trojan_Gafgyt_cf84c9f2 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Gafgyt_May_2024
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:botnet_dayzddos
Author:NDA0E
Description:dayzddos botnet
Rule name:botnet_plaintext_c2
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Gafgyt_Generic
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a0a4de11
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_cf84c9f2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_dd0d6173
Author:Elastic Security
Rule name:NET
Author:malware-lu
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
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 09c8874da26ded7492d98d1cd423084a480409432adf6e4dc2e9397aa49dc26c

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments