MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42ef3caed92ec3ac1831c2fe5c911a0c0cdce56031c1b0f3f44d6478d9571c16. 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 6 File information Comments

SHA256 hash: 42ef3caed92ec3ac1831c2fe5c911a0c0cdce56031c1b0f3f44d6478d9571c16
SHA3-384 hash: b4eb3d1b15076a146676c3f9e4e81dc234c55d60498504fc717c9286a81b5598ab3b017570e55543591f7bb2a61848f7
SHA1 hash: e368b532f9427d428709c31a81f379b40603285e
MD5 hash: c85065af73e64c4eda929be62856fcd6
humanhash: oregon-solar-undress-carolina
File name:arm6
Download: download sample
Signature Gafgyt
File size:116'654 bytes
First seen:2025-06-16 05:02:22 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:gS+kp/14l3EXpGEQtj+MCPYaUocGBiNV4tjxEL:gS+kp/14l3E0w3UoRir0Vg
TLSH T10AB3E748ED64537EC2E263FBFB99528E333B0B44B39B732596241AB42BC975C1939121
telfhash t1ab312812dcba0b057ff24a5cbcbe67d65262551437606eb0cf58c48c452f077d171aea
Magika elf
Reporter abuse_ch
Tags:elf gafgyt

Intelligence


File Origin
# of uploads :
1
# of downloads :
78
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Receives data from a server
Sends data to a server
Connection attempt
Runs as daemon
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
109
Number of processes launched:
2660
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
Status:
terminated
Behavior Graph:
%3 guuid=5b1f0523-1800-0000-42e3-b2ef01070000 pid=1793 /usr/bin/sudo guuid=78616825-1800-0000-42e3-b2ef07070000 pid=1799 /tmp/sample.bin guuid=5b1f0523-1800-0000-42e3-b2ef01070000 pid=1793->guuid=78616825-1800-0000-42e3-b2ef07070000 pid=1799 execve
Result
Threat name:
n/a
Detection:
clean
Classification:
n/a
Score:
0 / 100
Behaviour
Behavior Graph:
n/a
Threat name:
Linux.Trojan.Gafgyt
Status:
Malicious
First seen:
2025-06-16 05:03:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 23 (60.87%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access discovery
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Creates a large amount of network flows
Enumerates running processes
Reads system routing table
Contacts a large (4403) amount of remote hosts
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-5607483-0
YARA:
Linux_Trojan_Gafgyt_d2953f92
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:Linux_Generic_Threat_d2dca9e7
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d2953f92
Author:Elastic Security
Reference:14cc92b99daa0c91aa09d9a7996ee5549a5cacd7be733960b2cf3681a7c2b628
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: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 42ef3caed92ec3ac1831c2fe5c911a0c0cdce56031c1b0f3f44d6478d9571c16

(this sample)

  
Delivery method
Distributed via web download

Comments