MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ffb8ddbabd993eaff6bb842707ec5c73cb1ba6aa8c15bd17fb3adda06a2c6944. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: ffb8ddbabd993eaff6bb842707ec5c73cb1ba6aa8c15bd17fb3adda06a2c6944
SHA3-384 hash: ac26e4dfb18378b0c97745cde7889eccd2890e97da9d5862536bab4c4fe7e2eac0f04b49ce62c7bf4e40a12daa6c60fa
SHA1 hash: 7a56b5927e4ff15421cddf7f3dcb2886a2485c72
MD5 hash: 59cb7dd4a3cdd5409357057649353525
humanhash: muppet-colorado-violet-sweet
File name:xnxnxnxnxnxnxnxnx86_64xnxn
Download: download sample
Signature Gafgyt
File size:136'064 bytes
First seen:2026-07-02 23:04:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:lAF2acRfkY6z3xv+ErH4vk9954rlvLFZW8YYQD:yIRfe3xvvSrlvZZ7UD
TLSH T175D35C0A78D274FCC687D170926E9F61EA3A745C02183DBBA3C2AE711937ED05E15F62
telfhash t1c331eeb14e9a366812c7a712f319bf69f073150205f1f4e99d376de8ce123824fa30a2
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 3d97e9a12d8d01204887d78b3f6122a19f13bf031f42b85ce48f8efd520c3e8a
File size (compressed) :63'928 bytes
File size (de-compressed) :136'064 bytes
Format:linux/amd64
Packed file: 3d97e9a12d8d01204887d78b3f6122a19f13bf031f42b85ce48f8efd520c3e8a

Intelligence


File Origin
# of uploads :
1
# of downloads :
75
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Sends data to a server
Locks files
Kills processes
Connection attempt
Runs as daemon
DNS request
Creating a file in the %temp% directory
Substitutes an application name
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-07-02T21:45:00Z UTC
Last seen:
2026-07-03T19:49:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=cd1bb8d3-1e00-0000-3a33-13283d140000 pid=5181 /usr/bin/sudo guuid=5e16ced6-1e00-0000-3a33-13283e140000 pid=5182 /tmp/sample.bin guuid=cd1bb8d3-1e00-0000-3a33-13283d140000 pid=5181->guuid=5e16ced6-1e00-0000-3a33-13283e140000 pid=5182 execve guuid=e5e518d7-1e00-0000-3a33-13283f140000 pid=5183 /tmp/sample.bin zombie guuid=5e16ced6-1e00-0000-3a33-13283e140000 pid=5182->guuid=e5e518d7-1e00-0000-3a33-13283f140000 pid=5183 clone guuid=2e0a2ad7-1e00-0000-3a33-132840140000 pid=5184 /tmp/sample.bin send-data zombie guuid=e5e518d7-1e00-0000-3a33-13283f140000 pid=5183->guuid=2e0a2ad7-1e00-0000-3a33-132840140000 pid=5184 clone 4f6baed0-9587-596c-82b3-fd721afe4cc1 10.0.2.3:53 guuid=2e0a2ad7-1e00-0000-3a33-132840140000 pid=5184->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 460B guuid=2e0a2ad7-1e00-0000-3a33-132840140000 pid=5185 /tmp/sample.bin guuid=2e0a2ad7-1e00-0000-3a33-132840140000 pid=5184->guuid=2e0a2ad7-1e00-0000-3a33-132840140000 pid=5185 clone guuid=2e0a2ad7-1e00-0000-3a33-132840140000 pid=5186 /tmp/sample.bin zombie guuid=2e0a2ad7-1e00-0000-3a33-132840140000 pid=5184->guuid=2e0a2ad7-1e00-0000-3a33-132840140000 pid=5186 clone
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Threat name:
Linux.Trojan.Gafgyt
Status:
Suspicious
First seen:
2026-07-02 23:09:34 UTC
File Type:
ELF64 Little (Exe)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
antivm discovery linux
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads system network configuration
Checks hardware identifiers (DMI)
Enumerates active TCP sockets
Enumerates running processes
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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Gafgyt

elf ffb8ddbabd993eaff6bb842707ec5c73cb1ba6aa8c15bd17fb3adda06a2c6944

(this sample)

  
Delivery method
Distributed via web download

Comments