MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 442755a754a9bb1025ddb0afefcbc221ac9f9d37f4007b964b5f2c083fae2c22. 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 9 File information Comments

SHA256 hash: 442755a754a9bb1025ddb0afefcbc221ac9f9d37f4007b964b5f2c083fae2c22
SHA3-384 hash: 768241a677b1196fb3f27d1f6f77e1905df3455be141a052c9363c539e45f5a8c3d46cbc00a16bf7fefe5f8e661b2dd2
SHA1 hash: eec9c94264bcaa2070bdcc7e528c4e61e27e1ffc
MD5 hash: c911870ccdcd78a67c303689af9d1d3f
humanhash: sink-cardinal-magnesium-pip
File name:vtyhat
Download: download sample
Signature Gafgyt
File size:171'653 bytes
First seen:2025-05-16 07:59:11 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:oSGAVZCgbOeVMeJlD29FrhWULBsLUD0afD+tKIj:oTAnCgbpjli96ULBsLUD0afD+tKIj
TLSH T13BF3C9968B31D9B7C053E9323A756158B39CBB6A0B0F09CBBE1D75621E1E0CF641F264
telfhash t13931ff5279f6492d6bf3682858ac47611556b9227321afb4bf5e81948933002b871f8e
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 :
98
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
gcc lolbin remote
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
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
Sample deletes itself
Sample is potentially a Mirai botnet sample
Tries to stop the "iptables" service
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1691729 Sample: vtyhat.elf Startdate: 16/05/2025 Architecture: LINUX Score: 100 69 92.112.125.62, 23, 39866 UKRTELNETUA Ukraine 2->69 71 Found malware configuration 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 Antivirus / Scanner detection for submitted sample 2->75 77 4 other signatures 2->77 13 vtyhat.elf 2->13         started        signatures3 process4 signatures5 79 Opens /proc/net/* files useful for finding connected devices and routers 13->79 16 vtyhat.elf 13->16         started        process6 process7 18 vtyhat.elf 16->18         started        process8 20 vtyhat.elf 18->20         started        process9 22 vtyhat.elf sh 20->22         started        24 vtyhat.elf sh 20->24         started        26 vtyhat.elf sh 20->26         started        28 10 other processes 20->28 process10 30 sh service systemctl 22->30         started        33 sh rm 24->33         started        35 sh service systemctl 26->35         started        37 sh rm 28->37         started        39 sh rm 28->39         started        41 sh rm 28->41         started        43 5 other processes 28->43 signatures11 81 Tries to stop the "iptables" service 30->81 45 service 30->45         started        47 service basename 30->47         started        49 service basename 30->49         started        51 service systemctl 30->51         started        83 Sample deletes itself 33->83 53 service 35->53         started        55 service basename 35->55         started        57 service basename 35->57         started        59 service systemctl 35->59         started        process12 process13 61 service systemctl 45->61         started        63 service sed 45->63         started        65 service systemctl 53->65         started        67 service sed 53->67         started       
Threat name:
Linux.Trojan.Gafgyt
Status:
Malicious
First seen:
2025-05-16 08:00:20 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:gafgyt linux
Malware Config
C2 Extraction:
92.112.125.62:23
Verdict:
Unknown
Tags:
trojan mirai
YARA:
Linux_Trojan_Mirai_b9a9d04b
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
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_Mirai_b9a9d04b
Author:Elastic Security
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
Rule name:NET
Author:malware-lu
Rule name:RANSOMWARE
Author:ToroGuitar
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 442755a754a9bb1025ddb0afefcbc221ac9f9d37f4007b964b5f2c083fae2c22

(this sample)

  
Delivery method
Distributed via web download

Comments