MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b40a3b329170092d7dfafd579001d6178f597bc1baeaa9ff9f95b37292885b4a. 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 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b40a3b329170092d7dfafd579001d6178f597bc1baeaa9ff9f95b37292885b4a
SHA3-384 hash: 39c813df79c07f5833ac87c8dcc8d719b9ed77734b12c9202d1bc04221622aa9a8e8f192627b082f9312ce55fcb00c37
SHA1 hash: bc28cf76ea693b16784776436aab2cd880f71c83
MD5 hash: dd80e1b1bf7fcf38362219c65bc66b70
humanhash: king-louisiana-jig-saturn
File name:arm61
Download: download sample
Signature Gafgyt
Create hunting rule
File size:178'513 bytes
First seen:2025-06-14 14:51:35 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:wuadAFdMTaMirPVDoUSXd7f+59+OwfkmexV7t5OGNmGwxM8QURH:w3AwTaMirP9ol1f+r+Ow8lxV7SGNmGwV
TLSH T16A042905EA504757C2E327BAE68B424D33338F64A3DB33199938BBB43FD1B995E26111
telfhash t191210e47a1fac6686ff76920adbc47b508522b137652bf706f09c5c01c7b002a93addb
Magika elf
Reporter abuse_ch
Tags:elf gafgyt

Intelligence

File Origin
# of uploads :
1
# of downloads :
50
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.2205.UNOFFICIAL
Create hunting rule

Unix.Trojan.Tsunami-6981155-0
Create hunting rule

Unix.Dropper.Mirai-7136164-0
Create hunting rule

Unix.Dropper.Mirai-7138857-0
Create hunting rule

Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=684d8e1307b5e8c1cfe6cb17linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Gains root access
Connection attempt
Receives data from a server
Substitutes an application name
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b40a3b329170092d7dfafd579001d6178f597bc1baeaa9ff9f95b37292885b4a
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Gafgyt 205.185.124.206:23
UDP botnet C2(s):
not identified
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0f519ab4-8a66-49ce-9de0-c19eeba5e85e
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1714709
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1714709 Sample: arm61.elf Startdate: 14/06/2025 Architecture: LINUX Score: 100 20 205.185.124.206, 23, 55210 PONYNETUS United States 2->20 22 daisy.ubuntu.com 2->22 24 Suricata IDS alerts for network traffic 2->24 26 Found malware configuration 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 4 other signatures 2->30 10 arm61.elf 2->10         started        signatures3 process4 process5 12 arm61.elf 10->12         started        process6 14 arm61.elf 12->14         started        process7 16 arm61.elf 14->16         started        process8 18 arm61.elf 16->18         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b40a3b329170092d7dfafd579001d6178f597bc1baeaa9ff9f95b37292885b4a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b40a3b329170092d7dfafd579001d6178f597bc1baeaa9ff9f95b37292885b4a/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-06-14 12:22:13 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wqfdwmuroaes27p27vlzaaowc6hvs66bxlvkt747swzxfeuilnfa._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt defense_evasion
Link:
https://tria.ge/reports/250614-seh24az1f1/
Behaviour
Changes its process name
Modifies Watchdog functionality
Malware Config
C2 Extraction:
205.185.124.206:23
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Tsunami-6981155-0
YARA:
Linux_Trojan_Gafgyt_6a510422 Linux_Trojan_Gafgyt_d2953f92
Link:
https://app.threat.zone/submission/8d868493-7191-423f-8709-703c2693e162
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/b40a3b329170092d7dfafd579001d6178f597bc1baeaa9ff9f95b37292885b4a

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_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_6a510422
Create hunting rule
Author:Elastic Security
Reference:14cc92b99daa0c91aa09d9a7996ee5549a5cacd7be733960b2cf3681a7c2b628
Rule name:Linux_Trojan_Gafgyt_d2953f92
Create hunting rule
Author:Elastic Security
Reference:14cc92b99daa0c91aa09d9a7996ee5549a5cacd7be733960b2cf3681a7c2b628
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
Rule name:NET
Create hunting rule
Author:malware-lu
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: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 b40a3b329170092d7dfafd579001d6178f597bc1baeaa9ff9f95b37292885b4a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3560299/
  
Delivery method
Distributed via web download

Comments