MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 db904f7f4db5caffcb3bd446c019a8be218fc25685f9c41bba08bbb55ac0baa6. 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 8 File information Comments

SHA256 hash: db904f7f4db5caffcb3bd446c019a8be218fc25685f9c41bba08bbb55ac0baa6
SHA3-384 hash: 69b4ebecf932ee52e71c6ebdb187a952de2897cdd023f5731be3d36634eebbc93d7a84301a9a7c8d0fbcd0c76fbef295
SHA1 hash: c47d0742e001b2de77c61d87e9b3a142ad385cf2
MD5 hash: 4c8c16dbcef982de2cbd3345f8d02c3f
humanhash: queen-pasta-network-edward
File name:lnkfmx
Download: download sample
Signature Gafgyt
File size:189'769 bytes
First seen:2025-05-16 07:59:06 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:5BYF/9WXvXnXABq530KOLZYGksH29Fr+vPLesPHs0aozetKNX:5B9PAo53DOFlTW9iasPHs0aozetKNX
TLSH T1C00463EFBF0803DBD6C713B4262A63E00FE89965139451C2F5999E400FB3179A92B7B5
telfhash t114311f5279f6492d6bf3682858ac47611552ba327320afb0bf5e819089330027871f8e
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
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Deletes a file
Removes directories
Launching a process
Gains root access
Sends data to a server
Creating a file
Removes directories from a temporary directory
Substitutes an application name
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: 1691730 Sample: lnkfmx.elf Startdate: 16/05/2025 Architecture: LINUX Score: 100 73 92.112.125.62, 23, 42386 UKRTELNETUA Ukraine 2->73 75 109.202.202.202, 80 INIT7CH Switzerland 2->75 77 2 other IPs or domains 2->77 83 Found malware configuration 2->83 85 Malicious sample detected (through community Yara rule) 2->85 87 Antivirus / Scanner detection for submitted sample 2->87 89 4 other signatures 2->89 13 lnkfmx.elf 2->13         started        16 dash rm 2->16         started        18 dash rm 2->18         started        signatures3 process4 signatures5 91 Opens /proc/net/* files useful for finding connected devices and routers 13->91 20 lnkfmx.elf 13->20         started        process6 process7 22 lnkfmx.elf 20->22         started        process8 24 lnkfmx.elf 22->24         started        process9 26 lnkfmx.elf sh 24->26         started        28 lnkfmx.elf sh 24->28         started        30 lnkfmx.elf sh 24->30         started        32 10 other processes 24->32 process10 34 sh service systemctl 26->34         started        37 sh rm 28->37         started        39 sh service systemctl 30->39         started        41 sh rm 32->41         started        43 sh rm 32->43         started        45 sh rm 32->45         started        47 5 other processes 32->47 signatures11 79 Tries to stop the "iptables" service 34->79 49 service 34->49         started        51 service basename 34->51         started        53 service basename 34->53         started        55 service systemctl 34->55         started        81 Sample deletes itself 37->81 57 service 39->57         started        59 service basename 39->59         started        61 service basename 39->61         started        63 service systemctl 39->63         started        process12 process13 65 service systemctl 49->65         started        67 service sed 49->67         started        69 service systemctl 57->69         started        71 service sed 57->71         started       
Threat name:
Linux.Trojan.Gafgyt
Status:
Malicious
First seen:
2025-05-16 08:00:18 UTC
File Type:
ELF32 Big (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:
Malicious
Tags:
trojan mirai Unix.Trojan.Gafgyt-6981154-0
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: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 db904f7f4db5caffcb3bd446c019a8be218fc25685f9c41bba08bbb55ac0baa6

(this sample)

  
Delivery method
Distributed via web download

Comments