MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d55473d41c954b5b238978caf6640d2dd4b7a50b55f40a56cac43e3e7d80df60. 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: d55473d41c954b5b238978caf6640d2dd4b7a50b55f40a56cac43e3e7d80df60
SHA3-384 hash: cabffb3f2cd203a994519a3ff1139d62f72ce892ff9471928122fbd043dec3b15bd3a162bf01937dbea0b2473d83422c
SHA1 hash: bd98aa532d71c81782453554f6880ccc0f8b2de3
MD5 hash: 034b25fbf2886643a1f54d85bf6d404a
humanhash: salami-oxygen-december-four
File name:ntpd
Download: download sample
Signature Gafgyt
File size:119'167 bytes
First seen:2025-09-06 18:32:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:fVNy7K4v/V5KnaVIAsV/NdtkxGTYQH32rKAPtXG/uYe7ealfUD/sNO5e+vg8:KjtSToW/uYePfMhI8
TLSH T1BAC3766A3E51BBBEE5A8873107F35F70C399299226A1D781E26CFA185F7128C1C5F350
telfhash t14c11ce52a4fa8a6c5ef2542098fc16741a92721731627e706f5dc1849c37002b629fce
Magika elf
Reporter abuse_ch
Tags:elf gafgyt

Intelligence


File Origin
# of uploads :
1
# of downloads :
49
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Runs as daemon
Sends data to a server
Connection attempt
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc lolbin remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
23
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-09-06T16:02:00Z UTC
Last seen:
2025-09-06T16:02:00Z UTC
Hits:
~100
Status:
terminated
Behavior Graph:
%3 guuid=5c6fd676-1f00-0000-c0c0-f534850b0000 pid=2949 /usr/bin/sudo guuid=3613da78-1f00-0000-c0c0-f5348a0b0000 pid=2954 /tmp/sample.bin guuid=5c6fd676-1f00-0000-c0c0-f534850b0000 pid=2949->guuid=3613da78-1f00-0000-c0c0-f5348a0b0000 pid=2954 execve
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
92 / 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
Suricata IDS alerts for network traffic
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1772426 Sample: ntpd.elf Startdate: 06/09/2025 Architecture: LINUX Score: 92 17 142.54.160.14, 23, 50940, 50942 NOCIXUS United States 2->17 19 daisy.ubuntu.com 2->19 21 Suricata IDS alerts for network traffic 2->21 23 Found malware configuration 2->23 25 Malicious sample detected (through community Yara rule) 2->25 27 3 other signatures 2->27 8 ntpd.elf 2->8         started        11 python3.8 dpkg 2->11         started        signatures3 process4 signatures5 29 Opens /proc/net/* files useful for finding connected devices and routers 8->29 13 ntpd.elf 8->13         started        process6 process7 15 ntpd.elf 13->15         started       
Threat name:
Linux.Trojan.Gafgyt
Status:
Malicious
First seen:
2025-09-06 18:38:28 UTC
File Type:
ELF32 Big (Exe)
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery
Behaviour
Changes its process name
Reads system network configuration
Reads system routing table
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7138857-0
YARA:
Linux_Trojan_Gafgyt_fb14e81f
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: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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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_fb14e81f
Author:Elastic Security
Reference:0fd07e6068a721774716eb4940e2c19faef02d5bdacf3b018bf5995fa98a3a27
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:Tsunami_Backdoor
Author:@is_henderson
Description:Tsunami Backdoor
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 d55473d41c954b5b238978caf6640d2dd4b7a50b55f40a56cac43e3e7d80df60

(this sample)

  
Delivery method
Distributed via web download

Comments