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Linux Analysis Report
m-6.8-k.Sakura.elf

Overview

General Information

Sample name:	m-6.8-k.Sakura.elf
Analysis ID:	1641238
MD5:	e0b40cf058c3a27e20c605918848882d
SHA1:	b7ca7048ae8d3e136a1cdc351822b79492071e04
SHA256:	b3f8e9436b1411ddb610781065b9a188297ad45e1eab3c092a68f8f8886e0a21
Tags:	user-elfdigest
Infos:

Detection

Gafgyt, Mirai

Score:	100
Range:	0 - 100

Signatures

Antivirus / Scanner detection for submitted sample

Found malware configuration

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Suricata IDS alerts for network traffic

Yara detected Gafgyt

Yara detected Mirai

Opens /proc/net/* files useful for finding connected devices and routers

Detected TCP or UDP traffic on non-standard ports

Sample contains strings that are user agent strings indicative of HTTP manipulation

Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)

Uses the "uname" system call to query kernel version information (possible evasion)

Yara signature match

Classification

General Information

Joe Sandbox version:	42.0.0 Malachite
Analysis ID:	1641238
Start date and time:	2025-03-18 04:39:13 +01:00
Joe Sandbox product:	CloudBasic
Overall analysis duration:	0h 5m 3s
Hypervisor based Inspection enabled:	false
Report type:	full
Cookbook file name:	defaultlinuxfilecookbook.jbs
Analysis system description:	Ubuntu Linux 20.04 x64 (Kernel 5.4.0-72, Firefox 91.0, Evince Document Viewer 3.36.10, LibreOffice 6.4.7.2, OpenJDK 11.0.11)
Analysis Mode:	default
Sample name:	m-6.8-k.Sakura.elf
Detection:	MAL
Classification:	mal100.spre.troj.linELF@0/0@0/0

Warnings

VT rate limit hit for: 103.77.246.204:55555

Runtime Messages

Command:	/tmp/m-6.8-k.Sakura.elf
PID:	6295
Exit Code:	0
Exit Code Info:
Killed:	False
Standard Output:
Standard Error:

Process Tree

system is lnxubuntu20

m-6.8-k.Sakura.elf (PID: 6295, Parent: 6212, MD5: 5ebfcae4fe2471fcc5695c2394773ff1) Arguments: /tmp/m-6.8-k.Sakura.elf

m-6.8-k.Sakura.elf New Fork (PID: 6297, Parent: 6295)

m-6.8-k.Sakura.elf New Fork (PID: 6299, Parent: 6297)

cleanup

Malware Threat Intel

Provided by

Name	Description	Attribution	Blogpost URLs	Link
Bashlite, Gafgyt	Bashlite is a malware family which infects Linux systems in order to launch distributed denial-of-service attacks (DDoS). Originally it was also known under the name Bashdoor, but this term now refers to the exploit method used by the malware. It has been used to launch attacks of up to 400 Gbps.	No Attribution	http://blog.trendmicro.com/trendlabs-security-intelligence/bashlite-affects-devices-running-on-busybox/ https://blog.cyber5w.com/gafgyt-backdoor-analysis https://blog.netlab.360.com/gafgtyt_tor-and-necro-are-on-the-move-again/ https://blog.netlab.360.com/public-cloud-threat-intelligence-202203/ https://blog.netlab.360.com/some_details_of_the_ddos_attacks_targeting_ukraine_and_russia_in_recent_days/	https://malpedia.caad.fkie.fraunhofer.de/details/elf.bashlite

Name	Description	Attribution	Blogpost URLs	Link
Mirai	Mirai is one of the first significant botnets targeting exposed networking devices running Linux. Found in August 2016 by MalwareMustDie, its name means "future" in Japanese. Nowadays it targets a wide range of networked embedded devices such as IP cameras, home routers (many vendors involved), and other IoT devices. Since the source code was published on "Hack Forums" many variants of the Mirai family appeared, infecting mostly home networks all around the world.	No Attribution	http://osint.bambenekconsulting.com/feeds/ http://www.simonroses.com/2016/10/mirai-ddos-botnet-source-code-binary-analysis/ https://blog.malwaremustdie.org/2020/02/mmd-0065-2021-linuxmirai-fbot-re.html https://blog.netlab.360.com/another-lilin-dvr-0-day-being-used-to-spread-mirai-en/ https://blog.netlab.360.com/mirai_ptea-botnet-is-exploiting-undisclosed-kguard-dvr-vulnerability-en/	https://malpedia.caad.fkie.fraunhofer.de/details/elf.mirai

Yara Signatures

Initial Sample

Source	Rule	Description	Author	Strings
m-6.8-k.Sakura.elf	JoeSecurity_Gafgyt	Yara detected Gafgyt	Joe Security
m-6.8-k.Sakura.elf	JoeSecurity_Mirai_8	Yara detected Mirai	Joe Security
m-6.8-k.Sakura.elf	Linux_Trojan_Gafgyt_28a2fe0c	unknown	unknown	0x15a7c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15a90:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15aa4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15ab8:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15acc:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15ae0:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15af4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15b08:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15b1c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15b30:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15b44:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15b58:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15b6c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15b80:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15b94:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15ba8:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15bbc:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15bd0:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15be4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15bf8:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15c0c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F

Memory Dumps

Source	Rule	Description	Author	Strings
6295.1.00007fb550017000.00007fb55002f000.r-x.sdmp	JoeSecurity_Mirai_8	Yara detected Mirai	Joe Security
6295.1.00007fb550017000.00007fb55002f000.r-x.sdmp	Linux_Trojan_Gafgyt_28a2fe0c	unknown	unknown	0x15a7c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15a90:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15aa4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15ab8:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15acc:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15ae0:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15af4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15b08:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15b1c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15b30:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15b44:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15b58:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15b6c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15b80:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15b94:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15ba8:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15bbc:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15bd0:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15be4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15bf8:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15c0c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
6297.1.00007fb550017000.00007fb55002f000.r-x.sdmp	JoeSecurity_Mirai_8	Yara detected Mirai	Joe Security
6297.1.00007fb550017000.00007fb55002f000.r-x.sdmp	Linux_Trojan_Gafgyt_28a2fe0c	unknown	unknown	0x15a7c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15a90:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15aa4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15ab8:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15acc:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15ae0:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15af4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15b08:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15b1c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15b30:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15b44:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15b58:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15b6c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15b80:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15b94:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15ba8:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15bbc:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15bd0:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15be4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15bf8:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15c0c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
Process Memory Space: m-6.8-k.Sakura.elf PID: 6295	JoeSecurity_Mirai_8	Yara detected Mirai	Joe Security
Process Memory Space: m-6.8-k.Sakura.elf PID: 6295	Linux_Trojan_Gafgyt_28a2fe0c	unknown	unknown	0x5379:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x538d:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x53a1:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x53b5:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x53c9:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x53dd:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x53f1:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x5405:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x5419:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x542d:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x5441:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x5455:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x5469:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x547d:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x5491:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x54a5:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x54b9:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x54cd:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x54e1:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x54f5:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x5509:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
Process Memory Space: m-6.8-k.Sakura.elf PID: 6297	JoeSecurity_Mirai_8	Yara detected Mirai	Joe Security
Process Memory Space: m-6.8-k.Sakura.elf PID: 6297	Linux_Trojan_Gafgyt_28a2fe0c	unknown	unknown	0x131e1:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x131f5:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x13209:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x1321d:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x13231:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x13245:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x13259:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x1326d:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x13281:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x13295:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x132a9:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x132bd:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x132d1:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x132e5:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x132f9:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x1330d:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x13321:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x13335:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x13349:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x1335d:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x13371:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
Click to see the 3 entries

Suricata Signatures

ETPRO MALWARE ELF/BASHLITE Variant CnC Checkin

Timestamp	SID	Severity	Classtype	Source IP	Source Port	Destination IP	Destination Port	Protocol
2025-03-18T04:39:54.499413+0100	2846526	1	A Network Trojan was detected	192.168.2.23	49922	103.77.246.204	55555	TCP

Joe Sandbox Signatures

• AV Detection
• Spreading
• Networking
• System Summary
• Malware Analysis System Evasion
• Stealing of Sensitive Information
• Remote Access Functionality

Click to jump to signature section

Show All Signature Results

AV Detection

Antivirus / Scanner detection for submitted sample

Source: m-6.8-k.Sakura.elf

Avira: detected

Found malware configuration

Source: m-6.8-k.Sakura.elf

Malware Configuration Extractor: Gafgyt {"C2 url": "103.77.246.204:55555"}

Multi AV Scanner detection for submitted file

Source: m-6.8-k.Sakura.elf	Virustotal: Detection: 65%			Perma Link
Source: m-6.8-k.Sakura.elf	ReversingLabs: Detection: 63%

Spreading

Opens /proc/net/* files useful for finding connected devices and routers

Source: /tmp/m-6.8-k.Sakura.elf (PID: 6295)

Opens: /proc/net/route

Jump to behavior

Networking

Suricata IDS alerts for network traffic

Source: Network traffic

Suricata IDS: 2846526 - Severity 1 - ETPRO MALWARE ELF/BASHLITE Variant CnC Checkin : 192.168.2.23:49922 -> 103.77.246.204:55555

Source: global traffic

TCP traffic: 192.168.2.23:49922 -> 103.77.246.204:55555

Source: global traffic	TCP traffic: 192.168.2.23:43928 -> 91.189.91.42:443
Source: global traffic	TCP traffic: 192.168.2.23:42836 -> 91.189.91.43:443
Source: global traffic	TCP traffic: 192.168.2.23:42516 -> 109.202.202.202:80

Source: unknown	TCP traffic detected without corresponding DNS query: 103.77.246.204
Source: unknown	TCP traffic detected without corresponding DNS query: 103.77.246.204
Source: unknown	TCP traffic detected without corresponding DNS query: 103.77.246.204
Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknown	TCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknown	TCP traffic detected without corresponding DNS query: 103.77.246.204
Source: unknown	TCP traffic detected without corresponding DNS query: 103.77.246.204
Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknown	TCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown	TCP traffic detected without corresponding DNS query: 103.77.246.204
Source: unknown	TCP traffic detected without corresponding DNS query: 103.77.246.204
Source: unknown	TCP traffic detected without corresponding DNS query: 103.77.246.204
Source: unknown	TCP traffic detected without corresponding DNS query: 103.77.246.204
Source: unknown	TCP traffic detected without corresponding DNS query: 103.77.246.204
Source: unknown	TCP traffic detected without corresponding DNS query: 103.77.246.204

Source: unknown	Network traffic detected: HTTP traffic on port 43928 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 42836 -> 443

System Summary

Malicious sample detected (through community Yara rule)

Source: m-6.8-k.Sakura.elf, type: SAMPLE	Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: 6295.1.00007fb550017000.00007fb55002f000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: 6297.1.00007fb550017000.00007fb55002f000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: Process Memory Space: m-6.8-k.Sakura.elf PID: 6295, type: MEMORYSTR	Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: Process Memory Space: m-6.8-k.Sakura.elf PID: 6297, type: MEMORYSTR	Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown

Source: m-6.8-k.Sakura.elf, type: SAMPLE	Matched rule: Linux_Trojan_Gafgyt_28a2fe0c os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = a2c6beaec18ca876e8487c11bcc7a29279669588aacb7d3027d8d8df8f5bcead, id = 28a2fe0c-eed5-4c79-81e6-3b11b73a4ebd, last_modified = 2021-09-16
Source: 6295.1.00007fb550017000.00007fb55002f000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Trojan_Gafgyt_28a2fe0c os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = a2c6beaec18ca876e8487c11bcc7a29279669588aacb7d3027d8d8df8f5bcead, id = 28a2fe0c-eed5-4c79-81e6-3b11b73a4ebd, last_modified = 2021-09-16
Source: 6297.1.00007fb550017000.00007fb55002f000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Trojan_Gafgyt_28a2fe0c os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = a2c6beaec18ca876e8487c11bcc7a29279669588aacb7d3027d8d8df8f5bcead, id = 28a2fe0c-eed5-4c79-81e6-3b11b73a4ebd, last_modified = 2021-09-16
Source: Process Memory Space: m-6.8-k.Sakura.elf PID: 6295, type: MEMORYSTR	Matched rule: Linux_Trojan_Gafgyt_28a2fe0c os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = a2c6beaec18ca876e8487c11bcc7a29279669588aacb7d3027d8d8df8f5bcead, id = 28a2fe0c-eed5-4c79-81e6-3b11b73a4ebd, last_modified = 2021-09-16
Source: Process Memory Space: m-6.8-k.Sakura.elf PID: 6297, type: MEMORYSTR	Matched rule: Linux_Trojan_Gafgyt_28a2fe0c os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = a2c6beaec18ca876e8487c11bcc7a29279669588aacb7d3027d8d8df8f5bcead, id = 28a2fe0c-eed5-4c79-81e6-3b11b73a4ebd, last_modified = 2021-09-16

Source: classification engine

Classification label: mal100.spre.troj.linELF@0/0@0/0

Source: /tmp/m-6.8-k.Sakura.elf (PID: 6295)

Queries kernel information via 'uname':

Jump to behavior

Source: m-6.8-k.Sakura.elf, 6295.1.00007ffedb217000.00007ffedb238000.rw-.sdmp, m-6.8-k.Sakura.elf, 6297.1.00007ffedb217000.00007ffedb238000.rw-.sdmp	Binary or memory string: x86_64/usr/bin/qemu-arm/tmp/m-6.8-k.Sakura.elfSUDO_USER=saturninoPATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/binDISPLAY=:1.0XAUTHORITY=/run/user/1000/gdm/XauthoritySUDO_UID=1000TERM=xterm-256colorCOLORTERM=truecolorLOGNAME=rootUSER=rootLANG=en_US.UTF-8SUDO_COMMAND=/bin/bashHOME=/rootMAIL=/var/mail/rootSUDO_GID=1000SHELL=/bin/bash/tmp/m-6.8-k.Sakura.elf
Source: m-6.8-k.Sakura.elf, 6295.1.0000561e1b936000.0000561e1ba64000.rw-.sdmp, m-6.8-k.Sakura.elf, 6297.1.0000561e1b936000.0000561e1ba64000.rw-.sdmp	Binary or memory string: /etc/qemu-binfmt/arm
Source: m-6.8-k.Sakura.elf, 6295.1.00007ffedb217000.00007ffedb238000.rw-.sdmp, m-6.8-k.Sakura.elf, 6297.1.00007ffedb217000.00007ffedb238000.rw-.sdmp	Binary or memory string: /usr/bin/qemu-arm
Source: m-6.8-k.Sakura.elf, 6295.1.0000561e1b936000.0000561e1ba64000.rw-.sdmp, m-6.8-k.Sakura.elf, 6297.1.0000561e1b936000.0000561e1ba64000.rw-.sdmp	Binary or memory string: V!/etc/qemu-binfmt/arm

Stealing of Sensitive Information

Yara detected Gafgyt

Source: Yara match

File source: m-6.8-k.Sakura.elf, type: SAMPLE

Yara detected Mirai

Source: Yara match	File source: m-6.8-k.Sakura.elf, type: SAMPLE
Source: Yara match	File source: 6295.1.00007fb550017000.00007fb55002f000.r-x.sdmp, type: MEMORY
Source: Yara match	File source: 6297.1.00007fb550017000.00007fb55002f000.r-x.sdmp, type: MEMORY
Source: Yara match	File source: Process Memory Space: m-6.8-k.Sakura.elf PID: 6295, type: MEMORYSTR
Source: Yara match	File source: Process Memory Space: m-6.8-k.Sakura.elf PID: 6297, type: MEMORYSTR

Source: Initial sample	User agent string found: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36
Source: Initial sample	User agent string found: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36
Source: Initial sample	User agent string found: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/44.0.2403.157 Safari/537.36
Source: Initial sample	User agent string found: Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.71 Safari/537.36
Source: Initial sample	User agent string found: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36
Source: Initial sample	User agent string found: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36
Source: Initial sample	User agent string found: Mozilla/5.0 (Windows NT 5.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36

Remote Access Functionality

Yara detected Gafgyt

Source: Yara match

File source: m-6.8-k.Sakura.elf, type: SAMPLE

Yara detected Mirai

Source: Yara match	File source: m-6.8-k.Sakura.elf, type: SAMPLE
Source: Yara match	File source: 6295.1.00007fb550017000.00007fb55002f000.r-x.sdmp, type: MEMORY
Source: Yara match	File source: 6297.1.00007fb550017000.00007fb55002f000.r-x.sdmp, type: MEMORY
Source: Yara match	File source: Process Memory Space: m-6.8-k.Sakura.elf PID: 6295, type: MEMORYSTR
Source: Yara match	File source: Process Memory Space: m-6.8-k.Sakura.elf PID: 6297, type: MEMORYSTR

Mitre Att&ck Matrix

Reconnaissance	Resource Development	Initial Access	Execution	Persistence	Privilege Escalation	Defense Evasion	Credential Access	Discovery	Lateral Movement	Collection	Command and Control	Exfiltration	Impact
Gather Victim Identity Information	Acquire Infrastructure	Valid Accounts	Windows Management Instrumentation	Path Interception	Path Interception	Direct Volume Access	OS Credential Dumping	11 Security Software Discovery	Remote Services	Data from Local System	1 Data Obfuscation	Exfiltration Over Other Network Medium	Abuse Accessibility Features
Credentials	Domains	Default Accounts	Scheduled Task/Job	Boot or Logon Initialization Scripts	Boot or Logon Initialization Scripts	Rootkit	LSASS Memory	1 Remote System Discovery	Remote Desktop Protocol	Data from Removable Media	1 Encrypted Channel	Exfiltration Over Bluetooth	Network Denial of Service
Email Addresses	DNS Server	Domain Accounts	At	Logon Script (Windows)	Logon Script (Windows)	Obfuscated Files or Information	Security Account Manager	Query Registry	SMB/Windows Admin Shares	Data from Network Shared Drive	1 Non-Standard Port	Automated Exfiltration	Data Encrypted for Impact
Employee Names	Virtual Private Server	Local Accounts	Cron	Login Hook	Login Hook	Binary Padding	NTDS	System Network Configuration Discovery	Distributed Component Object Model	Input Capture	1 Application Layer Protocol	Traffic Duplication	Data Destruction

Malware Configuration

Threatname: Gafgyt

{
  "C2 url": "103.77.246.204:55555"
}

Behavior Graph

Hide Legend

Legend:

Process
Signature
Created File
DNS/IP Info
Is Dropped
Number of created Files
Is malicious
Internet

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

Source	Detection	Scanner	Label	Link
m-6.8-k.Sakura.elf	66%	Virustotal		Browse
m-6.8-k.Sakura.elf	64%	ReversingLabs	Linux.Trojan.Gafgyt
m-6.8-k.Sakura.elf	100%	Avira	LINUX/Gafgyt.opnd

Dropped Files

⊘No Antivirus matches

Domains

⊘No Antivirus matches

URLs

⊘No Antivirus matches

Domains and IPs

Download Network PCAP: filtered – full

Contacted Domains

⊘No contacted domains info

Contacted URLs

Name	Malicious	Antivirus Detection	Reputation
103.77.246.204:55555	true		unknown

World Map of Contacted IPs

No. of IPs < 25%
25% < No. of IPs < 50%
50% < No. of IPs < 75%
75% < No. of IPs

Public IPs

IP	Domain	Country	ASN	ASN Name	Malicious
109.202.202.202	unknown	Switzerland	13030	INIT7CH	false
103.77.246.204	unknown	India	136165	X4B-AS-APX4BDDoSProtectedAnnouncementsAU	true
91.189.91.43	unknown	United Kingdom	41231	CANONICAL-ASGB	false
91.189.91.42	unknown	United Kingdom	41231	CANONICAL-ASGB	false

Joe Sandbox View / Context

IPs

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link	Context
109.202.202.202	kpLwzBouH4.elf	Get hash	malicious	Unknown	Browse	ch.archive.ubuntu.com/ubuntu/pool/main/f/firefox/firefox_92.0%2bbuild3-0ubuntu0.20.04.1_amd64.deb
91.189.91.43	na.elf	Get hash	malicious	Prometei	Browse
	main_arm7.elf	Get hash	malicious	Mirai	Browse
	EdiAf.m68k.elf	Get hash	malicious	Mirai, Okiru	Browse
	na.elf	Get hash	malicious	Prometei	Browse
	EdiAf.mips.elf	Get hash	malicious	Unknown	Browse
	na.elf	Get hash	malicious	Prometei	Browse
	hgfs.arm6.elf	Get hash	malicious	Unknown	Browse
	kaizen.sh4.elf	Get hash	malicious	Mirai	Browse
	boatnet.m68k.elf	Get hash	malicious	Mirai	Browse
	boatnet.arc.elf	Get hash	malicious	Mirai	Browse
91.189.91.42	na.elf	Get hash	malicious	Prometei	Browse
	main_arm7.elf	Get hash	malicious	Mirai	Browse
	EdiAf.m68k.elf	Get hash	malicious	Mirai, Okiru	Browse
	na.elf	Get hash	malicious	Prometei	Browse
	EdiAf.mips.elf	Get hash	malicious	Unknown	Browse
	na.elf	Get hash	malicious	Prometei	Browse
	na.elf	Get hash	malicious	Prometei	Browse
	na.elf	Get hash	malicious	Prometei	Browse
	na.elf	Get hash	malicious	Prometei	Browse
	hgfs.arm6.elf	Get hash	malicious	Unknown	Browse

Domains

⊘No context

ASNs

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link	Context
CANONICAL-ASGB	na.elf	Get hash	malicious	Prometei	Browse	91.189.91.42
	main_arm7.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	EdiAf.m68k.elf	Get hash	malicious	Mirai, Okiru	Browse	91.189.91.42
	na.elf	Get hash	malicious	Prometei	Browse	91.189.91.42
	EdiAf.mips.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	na.elf	Get hash	malicious	Prometei	Browse	91.189.91.42
	na.elf	Get hash	malicious	Prometei	Browse	91.189.91.42
	na.elf	Get hash	malicious	Prometei	Browse	91.189.91.42
	na.elf	Get hash	malicious	Prometei	Browse	91.189.91.42
	na.elf	Get hash	malicious	Prometei	Browse	185.125.190.26
CANONICAL-ASGB	na.elf	Get hash	malicious	Prometei	Browse	91.189.91.42
	main_arm7.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	EdiAf.m68k.elf	Get hash	malicious	Mirai, Okiru	Browse	91.189.91.42
	na.elf	Get hash	malicious	Prometei	Browse	91.189.91.42
	EdiAf.mips.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	na.elf	Get hash	malicious	Prometei	Browse	91.189.91.42
	na.elf	Get hash	malicious	Prometei	Browse	91.189.91.42
	na.elf	Get hash	malicious	Prometei	Browse	91.189.91.42
	na.elf	Get hash	malicious	Prometei	Browse	91.189.91.42
	na.elf	Get hash	malicious	Prometei	Browse	185.125.190.26
X4B-AS-APX4BDDoSProtectedAnnouncementsAU	smbhost.exe	Get hash	malicious	Xmrig	Browse	103.249.70.7
	http://ff.members.gerane.vn/	Get hash	malicious	Unknown	Browse	103.77.241.200
	Address_verification_form_awb_shipping_documents_Invoice_Billof lading000000000000000000000.vbs	Get hash	malicious	GuLoader	Browse	103.77.246.15
	Tracking_Invoice_Awb_BL_00340434757340073972.vbs	Get hash	malicious	Remcos, GuLoader	Browse	103.77.246.15
	Invoice_Awb_BL_238415455_01408202_pdf.vbs	Get hash	malicious	GuLoader	Browse	103.77.246.15
	7PY33AaMqH.elf	Get hash	malicious	Mirai, Okiru	Browse	103.77.246.53
	aFPlFda1sB.elf	Get hash	malicious	Mirai, Gafgyt, Okiru	Browse	103.77.246.53
	leKBCSdWnE.elf	Get hash	malicious	Mirai, Gafgyt, Okiru	Browse	103.77.246.53
	fHaEG1nZHb.elf	Get hash	malicious	Mirai, Okiru	Browse	103.77.246.53
	fSRhZKnZEu.elf	Get hash	malicious	Mirai, Gafgyt, Okiru	Browse	103.77.246.53
INIT7CH	na.elf	Get hash	malicious	Prometei	Browse	109.202.202.202
	main_arm7.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	EdiAf.m68k.elf	Get hash	malicious	Mirai, Okiru	Browse	109.202.202.202
	na.elf	Get hash	malicious	Prometei	Browse	109.202.202.202
	EdiAf.mips.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	na.elf	Get hash	malicious	Prometei	Browse	109.202.202.202
	na.elf	Get hash	malicious	Prometei	Browse	109.202.202.202
	na.elf	Get hash	malicious	Prometei	Browse	109.202.202.202
	na.elf	Get hash	malicious	Prometei	Browse	109.202.202.202
	hgfs.arm6.elf	Get hash	malicious	Unknown	Browse	109.202.202.202

JA3 Fingerprints

⊘No context

Dropped Files

⊘No context

Created / dropped Files

⊘No created / dropped files found

Static File Info

General

File type:
Entropy (8bit):	6.007119522948548
TrID:	ELF Executable and Linkable format (generic) (4004/1) 100.00%
File name:	m-6.8-k.Sakura.elf
File size:	159'896 bytes
MD5:	e0b40cf058c3a27e20c605918848882d
SHA1:	b7ca7048ae8d3e136a1cdc351822b79492071e04
SHA256:	b3f8e9436b1411ddb610781065b9a188297ad45e1eab3c092a68f8f8886e0a21
SHA512:	335db6720a0b394522824ab1826c04955321f932fa7f4d5cba3d1b049fa801067346a39f7f43bfb9308905b92995b2f04d6f10dc7daf230b6b87b6d10afb5b35
SSDEEP:	3072:f1g2iIFdVzqKA7Y6ISag0/RMqnyLRM/9lzNmFwfBxKQodn:tg2VFdVzBA7fISan2qnydM/9/mFwfBxE
TLSH:	76F33A05E6408B17C1E2277AE6CF824D33339B94A3DB33159938ABF43FC27995E26915
File Content Preview:	.ELF..............(.........4...p.......4. ...(........p.z.......... ... ............................{...{...............{...{...{......(t...............{...{...{..................Q.td..................................-...L..................G.F.G.F.G.F.G.

Network Behavior

Download Network PCAP: filtered – full

Suricata IDS Alerts

Timestamp	SID	Signature	Severity	Source IP	Source Port	Dest IP	Dest Port	Protocol
2025-03-18T04:39:54.499413+0100	2846526	ETPRO MALWARE ELF/BASHLITE Variant CnC Checkin	1	192.168.2.23	49922	103.77.246.204	55555	TCP

Network Port Distribution

Total Packets: 18
• 55555 undefined
• 443 (HTTPS)
• 80 (HTTP)

TCP Packets

Timestamp	Source Port	Dest Port	Source IP	Dest IP
Mar 18, 2025 04:39:54.493174076 CET	49922	55555	192.168.2.23	103.77.246.204
Mar 18, 2025 04:39:54.497972965 CET	55555	49922	103.77.246.204	192.168.2.23
Mar 18, 2025 04:39:54.498029947 CET	49922	55555	192.168.2.23	103.77.246.204
Mar 18, 2025 04:39:54.499413013 CET	49922	55555	192.168.2.23	103.77.246.204
Mar 18, 2025 04:39:54.504044056 CET	55555	49922	103.77.246.204	192.168.2.23
Mar 18, 2025 04:39:54.924364090 CET	43928	443	192.168.2.23	91.189.91.42
Mar 18, 2025 04:40:00.555541992 CET	42836	443	192.168.2.23	91.189.91.43
Mar 18, 2025 04:40:01.835392952 CET	42516	80	192.168.2.23	109.202.202.202
Mar 18, 2025 04:40:10.350367069 CET	55555	49922	103.77.246.204	192.168.2.23
Mar 18, 2025 04:40:10.350532055 CET	49922	55555	192.168.2.23	103.77.246.204
Mar 18, 2025 04:40:10.631808043 CET	55555	49922	103.77.246.204	192.168.2.23
Mar 18, 2025 04:40:10.631916046 CET	49922	55555	192.168.2.23	103.77.246.204
Mar 18, 2025 04:40:16.425432920 CET	43928	443	192.168.2.23	91.189.91.42
Mar 18, 2025 04:40:26.663887978 CET	42836	443	192.168.2.23	91.189.91.43
Mar 18, 2025 04:40:32.807148933 CET	42516	80	192.168.2.23	109.202.202.202
Mar 18, 2025 04:40:57.379688025 CET	43928	443	192.168.2.23	91.189.91.42
Mar 18, 2025 04:41:10.353185892 CET	55555	49922	103.77.246.204	192.168.2.23
Mar 18, 2025 04:41:10.353271961 CET	49922	55555	192.168.2.23	103.77.246.204
Mar 18, 2025 04:41:10.633197069 CET	55555	49922	103.77.246.204	192.168.2.23
Mar 18, 2025 04:41:10.633359909 CET	49922	55555	192.168.2.23	103.77.246.204
Mar 18, 2025 04:42:10.359002113 CET	55555	49922	103.77.246.204	192.168.2.23
Mar 18, 2025 04:42:10.359194040 CET	49922	55555	192.168.2.23	103.77.246.204
Mar 18, 2025 04:42:10.649503946 CET	55555	49922	103.77.246.204	192.168.2.23
Mar 18, 2025 04:42:10.649626970 CET	49922	55555	192.168.2.23	103.77.246.204
Mar 18, 2025 04:43:10.362169027 CET	55555	49922	103.77.246.204	192.168.2.23
Mar 18, 2025 04:43:10.362287045 CET	49922	55555	192.168.2.23	103.77.246.204
Mar 18, 2025 04:43:10.650978088 CET	55555	49922	103.77.246.204	192.168.2.23
Mar 18, 2025 04:43:10.651108980 CET	49922	55555	192.168.2.23	103.77.246.204

System Behavior

Analysis Process: m-6.8-k.Sakura.elf PID: 6295, Parent PID: 6212

General

Start time (UTC):	03:39:52
Start date (UTC):	18/03/2025
Path:	/tmp/m-6.8-k.Sakura.elf
Arguments:	/tmp/m-6.8-k.Sakura.elf
File size:	4956856 bytes
MD5 hash:	5ebfcae4fe2471fcc5695c2394773ff1

File Activities

File Opened

File Read

Process Activities

Process Forked

Thread Sleep

System Activities

Query System Information (uname)

Network Activities

Socket Connecting

Chronological Activities

Analysis Process: m-6.8-k.Sakura.elf PID: 6297, Parent PID: 6295

General

Start time (UTC):	03:39:53
Start date (UTC):	18/03/2025
Path:	/tmp/m-6.8-k.Sakura.elf
Arguments:	-
File size:	4956856 bytes
MD5 hash:	5ebfcae4fe2471fcc5695c2394773ff1

Process Activities

Process Forked

Thread Sleep

Chronological Activities

Analysis Process: m-6.8-k.Sakura.elf PID: 6299, Parent PID: 6297

General

Start time (UTC):	03:39:53
Start date (UTC):	18/03/2025
Path:	/tmp/m-6.8-k.Sakura.elf
Arguments:	-
File size:	4956856 bytes
MD5 hash:	5ebfcae4fe2471fcc5695c2394773ff1

Description:	Adversaries may attempt to get a listing of security software, configurations, defensive tools, and sensors that are installed on a system or in a cloud environment. This may include things such as firewall rules and anti-virus. Adversaries may use the information from Security Software Discovery during automated discovery to shape follow-on behaviors, including whether or not the adversary fully infects the target and/or attempts specific actions.
Tactics:	Discovery
Data Sources:	Command: Command Execution, Firewall: Firewall Enumeration, Firewall: Firewall Metadata, Process: OS API Execution, Process: Process Creation
Platforms:	Azure AD, Google Workspace, IaaS, Linux, macOS, Office 365, SaaS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may attempt to get a listing of other systems by IP address, hostname, or other logical identifier on a network that may be used for Lateral Movement from the current system. Functionality could exist within remote access tools to enable this, but utilities available on the operating system could also be used such as Ping or `net view` using Net .
Tactics:	Discovery
Data Sources:	Command: Command Execution, File: File Access, Network Traffic: Network Connection Creation, Process: Process Creation
Platforms:	Linux, macOS, Network, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may obfuscate command and control traffic to make it more difficult to detect. Command and control (C2) communications are hidden (but not necessarily encrypted) in an attempt to make the content more difficult to discover or decipher and to make the communication less conspicuous and hide commands from being seen. This encompasses many methods, such as adding junk data to protocol traffic, using steganography, or impersonating legitimate protocols.
Tactics:	Command and Control
Data Sources:	Network Traffic: Network Traffic Content
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may employ a known encryption algorithm to conceal command and control traffic rather than relying on any inherent protections provided by a communication protocol. Despite the use of a secure algorithm, these implementations may be vulnerable to reverse engineering if secret keys are encoded and/or generated within malware samples/configuration files.
Tactics:	Command and Control
Data Sources:	Network Traffic: Network Traffic Content
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may communicate using a protocol and port pairing that are typically not associated. For example, HTTPS over port 8088or port 587as opposed to the traditional port 443. Adversaries may make changes to the standard port used by a protocol to bypass filtering or muddle analysis/parsing of network data.
Tactics:	Command and Control
Data Sources:	Network Traffic: Network Traffic Content, Network Traffic: Network Traffic Flow
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may communicate using OSI application layer protocols to avoid detection/network filtering by blending in with existing traffic. Commands to the remote system, and often the results of those commands, will be embedded within the protocol traffic between the client and server.
Tactics:	Command and Control
Data Sources:	Network Traffic: Network Traffic Content, Network Traffic: Network Traffic Flow
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Behavior Section

Behavior Chronological

Disassembly

Uncategorized

Graph

Loading Joe Sandbox Report ...

Warning!

Linux Analysis Report m-6.8-k.Sakura.elf

Overview

General Information

Detection

Signatures

Classification

General Information

Warnings

Runtime Messages

Process Tree

Malware Threat Intel

Yara Signatures

Initial Sample

Memory Dumps

Suricata Signatures

Joe Sandbox Signatures

AV Detection

Spreading

Networking

System Summary

Malware Analysis System Evasion

Stealing of Sensitive Information

Remote Access Functionality

Mitre Att&ck Matrix

Malware Configuration

Threatname: Gafgyt

Behavior Graph

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

Dropped Files

Domains

URLs

Domains and IPs

Contacted Domains

Contacted URLs

World Map of Contacted IPs

Public IPs

Joe Sandbox View / Context

IPs

Domains

ASNs

JA3 Fingerprints

Dropped Files

Created / dropped Files

Static File Info

General

Network Behavior

Suricata IDS Alerts

Network Port Distribution

TCP Packets

System Behavior

Analysis Process: m-6.8-k.Sakura.elf PID: 6295, Parent PID: 6212

General

File Activities

File Opened

File Read

Process Activities

Process Forked

Thread Sleep

System Activities

Query System Information (uname)

Network Activities

Socket Connecting

Chronological Activities

Analysis Process: m-6.8-k.Sakura.elf PID: 6297, Parent PID: 6295

General

Process Activities

Process Forked

Thread Sleep

Chronological Activities

Analysis Process: m-6.8-k.Sakura.elf PID: 6299, Parent PID: 6297

General

Process Activities

Linux Analysis Report
m-6.8-k.Sakura.elf