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Linux Analysis Report
sh4.elf

Overview

General Information

Sample name:	sh4.elf
Analysis ID:	1616708
MD5:	605f61262991934bcccf7023c58565f1
SHA1:	f2e3705dc2f95b0b06ee8a6e920e8f2910d40135
SHA256:	eb7bd4e06be210a01b24de7683bc769b46699e685734fb19131b194dbafa22d7
Tags:	elfuser-abuse_ch
Infos:

Detection

Score:	60
Range:	0 - 100

Signatures

Multi AV Scanner detection for submitted file

Opens /sys/class/net/* files useful for querying network interface information

Performs DNS TXT record lookups

Sample deletes itself

Detected TCP or UDP traffic on non-standard ports

Executes the "rm" command used to delete files or directories

Sample has stripped symbol table

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)

Classification

General Information

Joe Sandbox version:	42.0.0 Malachite
Analysis ID:	1616708
Start date and time:	2025-02-17 06:37:14 +01:00
Joe Sandbox product:	CloudBasic
Overall analysis duration:	0h 4m 43s
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:	sh4.elf
Detection:	MAL
Classification:	mal60.spyw.evad.linELF@0/0@1/0

Runtime Messages

Command:	/tmp/sh4.elf
PID:	6260
Exit Code:	0
Exit Code Info:
Killed:	False
Standard Output:	Firmware update in progress
Standard Error:

Process Tree

system is lnxubuntu20

dash New Fork (PID: 6230, Parent: 4340)

rm (PID: 6230, Parent: 4340, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.j6BUEVlGn8 /tmp/tmp.aKQ50br33C /tmp/tmp.TK584rmHlH

dash New Fork (PID: 6231, Parent: 4340)

rm (PID: 6231, Parent: 4340, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.j6BUEVlGn8 /tmp/tmp.aKQ50br33C /tmp/tmp.TK584rmHlH

sh4.elf (PID: 6260, Parent: 6162, MD5: 8943e5f8f8c280467b4472c15ae93ba9) Arguments: /tmp/sh4.elf

sh4.elf New Fork (PID: 6264, Parent: 6260)

sh4.elf New Fork (PID: 6266, Parent: 6264)

cleanup

Yara Signatures

⊘No yara matches

Suricata Signatures

⊘No Suricata rule has matched

Joe Sandbox Signatures

• AV Detection
• Networking
• System Summary
• Persistence and Installation Behavior
• Hooking and other Techniques for Hiding and Protection
• Malware Analysis System Evasion
• HIPS / PFW / Operating System Protection Evasion

Click to jump to signature section

Show All Signature Results

AV Detection

Multi AV Scanner detection for submitted file

Source: sh4.elf	ReversingLabs: Detection: 13%
Source: sh4.elf	Virustotal: Detection: 17%			Perma Link

Networking

Opens /sys/class/net/* files useful for querying network interface information

Source: /tmp/sh4.elf (PID: 6264)	Opens: /sys/class/net/	Jump to behavior
Source: /tmp/sh4.elf (PID: 6264)	Opens: /sys/class/net/ens160/address	Jump to behavior
Source: /tmp/sh4.elf (PID: 6264)	Opens: /sys/class/net/ens160/flags	Jump to behavior
Source: /tmp/sh4.elf (PID: 6264)	Opens: /sys/class/net/ens160/carrier	Jump to behavior

Source: global traffic

TCP traffic: 192.168.2.23:46556 -> 103.35.190.176:3478

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: global traffic	TCP traffic: 192.168.2.23:43928 -> 91.189.91.42:443

Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknown	TCP traffic detected without corresponding DNS query: 103.35.190.176
Source: unknown	TCP traffic detected without corresponding DNS query: 103.35.190.176
Source: unknown	TCP traffic detected without corresponding DNS query: 103.35.190.176
Source: unknown	TCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknown	TCP traffic detected without corresponding DNS query: 103.35.190.176
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: 103.35.190.176
Source: unknown	TCP traffic detected without corresponding DNS query: 103.35.190.176
Source: unknown	UDP traffic detected without corresponding DNS query: 172.217.192.127
Source: unknown	UDP traffic detected without corresponding DNS query: 147.93.130.20

Source: global traffic

DNS traffic detected: DNS query: iranistrash.libre

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

Source: ELF static info symbol of initial sample

.symtab present: no

Source: classification engine

Classification label: mal60.spyw.evad.linELF@0/0@1/0

Source: /usr/bin/dash (PID: 6230)	Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.j6BUEVlGn8 /tmp/tmp.aKQ50br33C /tmp/tmp.TK584rmHlH			Jump to behavior
Source: /usr/bin/dash (PID: 6231)	Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.j6BUEVlGn8 /tmp/tmp.aKQ50br33C /tmp/tmp.TK584rmHlH			Jump to behavior

Hooking and other Techniques for Hiding and Protection

Sample deletes itself

Source: /tmp/sh4.elf (PID: 6260)

File: /tmp/sh4.elf

Jump to behavior

Source: /tmp/sh4.elf (PID: 6260)	Queries kernel information via 'uname':			Jump to behavior
Source: /tmp/sh4.elf (PID: 6264)	Queries kernel information via 'uname':			Jump to behavior

Source: sh4.elf, 6260.1.00007ffc38ce5000.00007ffc38d06000.rw-.sdmp	Binary or memory string: /usr/bin/qemu-sh4
Source: sh4.elf, 6260.1.000055812e0f4000.000055812e178000.rw-.sdmp	Binary or memory string: U5!/etc/qemu-binfmt/sh4
Source: sh4.elf, 6260.1.000055812e0f4000.000055812e178000.rw-.sdmp	Binary or memory string: /etc/qemu-binfmt/sh4
Source: sh4.elf, 6260.1.00007ffc38ce5000.00007ffc38d06000.rw-.sdmp	Binary or memory string: x86_64/usr/bin/qemu-sh4/tmp/sh4.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/sh4.elf

HIPS / PFW / Operating System Protection Evasion

Performs DNS TXT record lookups

Source: Traffic

DNS traffic detected: queries for: iranistrash.libre

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	11 File Deletion	OS Credential Dumping	11 Security Software Discovery	Remote Services	Data from Local System	1 Encrypted Channel	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	Application Window Discovery	Remote Desktop Protocol	Data from Removable Media	1 Non-Standard Port	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-Application Layer Protocol	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	2 Application Layer Protocol	Traffic Duplication	Data Destruction

Malware Configuration

⊘No configs have been found

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
sh4.elf	14%	ReversingLabs	Linux.Backdoor.Gafgyt
sh4.elf	17%	Virustotal		Browse

Dropped Files

⊘No Antivirus matches

Domains

⊘No Antivirus matches

URLs

⊘No Antivirus matches

Domains and IPs

Download Network PCAP: filtered – full

Contacted Domains

Name	IP	Active	Malicious	Antivirus Detection	Reputation
iranistrash.libre	unknown	unknown	false		high

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
103.35.190.176	unknown	Japan	2519	VECTANTARTERIANetworksCorporationJP	false
109.202.202.202	unknown	Switzerland	13030	INIT7CH	false
172.217.192.127	unknown	United States	15169	GOOGLEUS	false
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
103.35.190.176	armv4l.elf	Get hash	malicious	Unknown	Browse
	sparc.elf	Get hash	malicious	Unknown	Browse
	mips.elf	Get hash	malicious	Unknown	Browse
	mipsel.elf	Get hash	malicious	Unknown	Browse
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
	dd.elf	Get hash	malicious	Unknown	Browse
	sparc.elf	Get hash	malicious	Unknown	Browse
	i.elf	Get hash	malicious	Mirai	Browse
	armv4eb.elf	Get hash	malicious	Unknown	Browse
	na.elf	Get hash	malicious	Prometei	Browse
	uYtea.x86.elf	Get hash	malicious	Unknown	Browse
	uYtea.arm7.elf	Get hash	malicious	Mirai	Browse
	na.elf	Get hash	malicious	Prometei	Browse
	na.elf	Get hash	malicious	Prometei	Browse
91.189.91.42	na.elf	Get hash	malicious	Prometei	Browse
	dd.elf	Get hash	malicious	Unknown	Browse
	sparc.elf	Get hash	malicious	Unknown	Browse
	i.elf	Get hash	malicious	Mirai	Browse
	armv4eb.elf	Get hash	malicious	Unknown	Browse
	na.elf	Get hash	malicious	Prometei	Browse
	uYtea.x86.elf	Get hash	malicious	Unknown	Browse
	uYtea.arm7.elf	Get hash	malicious	Mirai	Browse
	na.elf	Get hash	malicious	Prometei	Browse
	na.elf	Get hash	malicious	Prometei	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
	dd.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	sparc.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	i.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	armv4eb.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	na.elf	Get hash	malicious	Prometei	Browse	91.189.91.42
	uYtea.x86.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	uYtea.arm7.elf	Get hash	malicious	Mirai	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
CANONICAL-ASGB	na.elf	Get hash	malicious	Prometei	Browse	91.189.91.42
	dd.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	sparc.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	i.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	armv4eb.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	na.elf	Get hash	malicious	Prometei	Browse	91.189.91.42
	uYtea.x86.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	uYtea.arm7.elf	Get hash	malicious	Mirai	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
INIT7CH	na.elf	Get hash	malicious	Prometei	Browse	109.202.202.202
	dd.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	sparc.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	i.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	armv4eb.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	na.elf	Get hash	malicious	Prometei	Browse	109.202.202.202
	uYtea.x86.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	uYtea.arm7.elf	Get hash	malicious	Mirai	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
VECTANTARTERIANetworksCorporationJP	armv4l.elf	Get hash	malicious	Unknown	Browse	36.3.233.191
	armv6l.elf	Get hash	malicious	Unknown	Browse	122.223.93.2
	Owari.arm.elf	Get hash	malicious	Unknown	Browse	203.114.9.204
	res.mips.elf	Get hash	malicious	Unknown	Browse	220.158.51.57
	jade.sh4.elf	Get hash	malicious	Mirai	Browse	36.2.53.56
	Fantazy.sh4.elf	Get hash	malicious	Mirai	Browse	157.14.200.76
	x86.elf	Get hash	malicious	Mirai, Moobot	Browse	157.14.224.29
	Fantazy.mips.elf	Get hash	malicious	Unknown	Browse	202.241.163.130
	jackmyx86.elf	Get hash	malicious	Mirai	Browse	157.14.224.72
	botnet.x86.elf	Get hash	malicious	Mirai, Moobot	Browse	222.230.109.235

JA3 Fingerprints

⊘No context

Dropped Files

⊘No context

Created / dropped Files

⊘No created / dropped files found

Static File Info

General

File type:	ELF 32-bit LSB executable, Renesas SH, version 1 (SYSV), statically linked, stripped
Entropy (8bit):	6.722194210588231
TrID:	ELF Executable and Linkable format (generic) (4004/1) 100.00%
File name:	sh4.elf
File size:	66'408 bytes
MD5:	605f61262991934bcccf7023c58565f1
SHA1:	f2e3705dc2f95b0b06ee8a6e920e8f2910d40135
SHA256:	eb7bd4e06be210a01b24de7683bc769b46699e685734fb19131b194dbafa22d7
SHA512:	5f5e72cc1a47ae653990c64da05a8791571ea9ae6376f6b0180e5f054c549e3e6c4e95ef8257045a34b5d961c98e34d7f13891abd29b891ab5b8782878ceba7a
SSDEEP:	1536:avhSDxDXWbW0xq05zvA0cu4U/HKRRf5x+RCQ:avhSDxDXWb3BY3uhqT5x+R
TLSH:	3C539E72985C6E94E00486F5B131CF7DAF47E409E6272FB669AAC934904BE8CF1853F4
File Content Preview:	.ELF.....................@.4...........4. ...(...............@...@.`...`.....................A...A..... ...........Q.td............................././"O.n........#.@........#.*@.....o&O.n...l..............................././.../.a"O.!...n...a.b("...q.

Static ELF Info

ELF header
Class:	ELF32
Data:	2's complement, little endian
Version:	1 (current)
Machine:	<unknown>
Version Number:	0x1
Type:	EXEC (Executable file)
OS/ABI:	UNIX - System V
ABI Version:	0
Entry Point Address:	0x4001a0
Flags:	0x9
ELF Header Size:	52
Program Header Offset:	52
Program Header Size:	32
Number of Program Headers:	3
Section Header Offset:	66008
Section Header Size:	40
Number of Section Headers:	10
Header String Table Index:	9

Sections

Name	Type	Address	Offset	Size	EntSize	Flags	Flags Description	Align
	NULL	0x0	0x0	0x0	0x0	0x0		0
.init	PROGBITS	0x400094	0x94	0x30	0x0	0x6	AX	4
.text	PROGBITS	0x4000e0	0xe0	0xf320	0x0	0x6	AX	32
.fini	PROGBITS	0x40f400	0xf400	0x24	0x0	0x6	AX	4
.rodata	PROGBITS	0x40f424	0xf424	0x73c	0x0	0x2	A	4
.ctors	PROGBITS	0x410000	0x10000	0x8	0x0	0x3	WA	4
.dtors	PROGBITS	0x410008	0x10008	0x8	0x0	0x3	WA	4
.data	PROGBITS	0x410014	0x10014	0x184	0x0	0x3	WA	4
.bss	NOBITS	0x410198	0x10198	0x1488	0x0	0x3	WA	4
.shstrtab	STRTAB	0x0	0x10198	0x3e	0x0	0x0		1

Program Segments

Type	Offset	Virtual Address	Physical Address	File Size	Memory Size	Entropy	Flags	Flags Description	Align	Section Mappings
LOAD	0x0	0x400000	0x400000	0xfb60	0xfb60	6.8281	0x5	R E	0x10000	.init .text .fini .rodata
LOAD	0x10000	0x410000	0x410000	0x198	0x1620	1.2523	0x6	RW	0x10000	.ctors .dtors .data .bss
GNU_STACK	0x0	0x0	0x0	0x0	0x0	0.0000	0x7	RWE	0x4

Network Behavior

Download Network PCAP: filtered – full

Network Port Distribution

Total Packets: 13
• 3478 undefined
• 443 (HTTPS)
• 80 (HTTP)
• 53 (DNS)

TCP Packets

Timestamp	Source Port	Dest Port	Source IP	Dest IP
Feb 17, 2025 06:38:06.573556900 CET	42836	443	192.168.2.23	91.189.91.43
Feb 17, 2025 06:38:07.226555109 CET	46556	3478	192.168.2.23	103.35.190.176
Feb 17, 2025 06:38:07.231475115 CET	3478	46556	103.35.190.176	192.168.2.23
Feb 17, 2025 06:38:07.231548071 CET	46556	3478	192.168.2.23	103.35.190.176
Feb 17, 2025 06:38:07.235235929 CET	46556	3478	192.168.2.23	103.35.190.176
Feb 17, 2025 06:38:07.240159035 CET	3478	46556	103.35.190.176	192.168.2.23
Feb 17, 2025 06:38:07.597404957 CET	42516	80	192.168.2.23	109.202.202.202
Feb 17, 2025 06:38:07.698180914 CET	3478	46556	103.35.190.176	192.168.2.23
Feb 17, 2025 06:38:07.698273897 CET	46556	3478	192.168.2.23	103.35.190.176
Feb 17, 2025 06:38:21.419528008 CET	43928	443	192.168.2.23	91.189.91.42
Feb 17, 2025 06:38:33.706013918 CET	42836	443	192.168.2.23	91.189.91.43
Feb 17, 2025 06:38:37.801284075 CET	42516	80	192.168.2.23	109.202.202.202
Feb 17, 2025 06:39:02.374082088 CET	43928	443	192.168.2.23	91.189.91.42
Feb 17, 2025 06:39:47.778448105 CET	46556	3478	192.168.2.23	103.35.190.176
Feb 17, 2025 06:39:47.783273935 CET	3478	46556	103.35.190.176	192.168.2.23
Feb 17, 2025 06:39:47.878108025 CET	3478	46556	103.35.190.176	192.168.2.23
Feb 17, 2025 06:39:47.878241062 CET	46556	3478	192.168.2.23	103.35.190.176

UDP Packets

Timestamp	Source Port	Dest Port	Source IP	Dest IP
Feb 17, 2025 06:38:06.497327089 CET	12633	3478	192.168.2.23	172.217.192.127
Feb 17, 2025 06:38:07.061922073 CET	3478	12633	172.217.192.127	192.168.2.23
Feb 17, 2025 06:38:07.103571892 CET	60557	53	192.168.2.23	147.93.130.20
Feb 17, 2025 06:38:07.219013929 CET	53	60557	147.93.130.20	192.168.2.23

DNS Queries

Timestamp	Source IP	Dest IP	Trans ID	OP Code	Name	Type	Class	DNS over HTTPS
Feb 17, 2025 06:38:07.103571892 CET	192.168.2.23	147.93.130.20	0xa8e0	Standard query (0)	iranistrash.libre	16	IN (0x0001)	false

DNS Answers

Timestamp	Source IP	Dest IP	Trans ID	Reply Code	Name	CName	Address	Type	Class	DNS over HTTPS
Feb 17, 2025 06:38:07.219013929 CET	147.93.130.20	192.168.2.23	0xa8e0	No error (0)	iranistrash.libre			TXT (Text strings)	IN (0x0001)	false

System Behavior

Analysis Process: dash PID: 6230, Parent PID: 4340

General

Start time (UTC):	05:37:56
Start date (UTC):	17/02/2025
Path:	/usr/bin/dash
Arguments:	-
File size:	129816 bytes
MD5 hash:	1e6b1c887c59a315edb7eb9a315fc84c

Process Activities

Process Overlayed (Exec)

Chronological Activities

Analysis Process: rm PID: 6230, Parent PID: 4340

General

Start time (UTC):	05:37:56
Start date (UTC):	17/02/2025
Path:	/usr/bin/rm
Arguments:	rm -f /tmp/tmp.j6BUEVlGn8 /tmp/tmp.aKQ50br33C /tmp/tmp.TK584rmHlH
File size:	72056 bytes
MD5 hash:	aa2b5496fdbfd88e38791ab81f90b95b

File Activities

File Opened

File Deleted

File Read

Chronological Activities

Analysis Process: dash PID: 6231, Parent PID: 4340

General

Start time (UTC):	05:37:57
Start date (UTC):	17/02/2025
Path:	/usr/bin/dash
Arguments:	-
File size:	129816 bytes
MD5 hash:	1e6b1c887c59a315edb7eb9a315fc84c

Process Activities

Process Overlayed (Exec)

Chronological Activities

Analysis Process: rm PID: 6231, Parent PID: 4340

General

Start time (UTC):	05:37:57
Start date (UTC):	17/02/2025
Path:	/usr/bin/rm
Arguments:	rm -f /tmp/tmp.j6BUEVlGn8 /tmp/tmp.aKQ50br33C /tmp/tmp.TK584rmHlH
File size:	72056 bytes
MD5 hash:	aa2b5496fdbfd88e38791ab81f90b95b

File Activities

File Opened

File Deleted

File Read

Chronological Activities

Analysis Process: sh4.elf PID: 6260, Parent PID: 6162

General

Start time (UTC):	05:38:02
Start date (UTC):	17/02/2025
Path:	/tmp/sh4.elf
Arguments:	/tmp/sh4.elf
File size:	4139976 bytes
MD5 hash:	8943e5f8f8c280467b4472c15ae93ba9

File Activities

File Opened

File Deleted

File Read

Process Activities

Process Forked

Thread Sleep

System Activities

Query System Information (uname)

Network Activities

Socket Connecting

Chronological Activities

Analysis Process: sh4.elf PID: 6264, Parent PID: 6260

General

Start time (UTC):	05:38:06
Start date (UTC):	17/02/2025
Path:	/tmp/sh4.elf
Arguments:	-
File size:	4139976 bytes
MD5 hash:	8943e5f8f8c280467b4472c15ae93ba9

File Activities

File Opened

File Read

Directory Enumerated

Process Activities

Process Forked

Signal Sent

Prctl Requested

Thread Sleep

System Activities

Query System Information (uname)

Network Activities

Socket Connecting

Chronological Activities

Analysis Process: sh4.elf PID: 6266, Parent PID: 6264

General

Start time (UTC):	05:38:06
Start date (UTC):	17/02/2025
Path:	/tmp/sh4.elf
Arguments:	-
File size:	4139976 bytes
MD5 hash:	8943e5f8f8c280467b4472c15ae93ba9

Description:	Adversaries may delete files left behind by the actions of their intrusion activity. Malware, tools, or other non-native files dropped or created on a system by an adversary (ex: Ingress Tool Transfer ) may leave traces to indicate to what was done within a network and how. Removal of these files can occur during an intrusion, or as part of a post-intrusion process to minimize the adversary's footprint.
Tactics:	Defense Evasion
Data Sources:	Command: Command Execution, File: File Deletion
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

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 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 use an OSI non-application layer protocol for communication between host and C2 server or among infected hosts within a network. The list of possible protocols is extensive.Specific examples include use of network layer protocols, such as the Internet Control Message Protocol (ICMP), transport layer protocols, such as the User Datagram Protocol (UDP), session layer protocols, such as Socket Secure (SOCKS), as well as redirected/tunneled protocols, such as Serial over LAN (SOL).
Tactics:	Command and Control
Data Sources:	Network Traffic: Network Traffic Content, Network Traffic: Network Traffic Flow
Platforms:	Linux, macOS, Network, 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 sh4.elf

Overview

General Information

Detection

Signatures

Classification

General Information

Runtime Messages

Process Tree

Yara Signatures

Suricata Signatures

Joe Sandbox Signatures

AV Detection

Networking

System Summary

Persistence and Installation Behavior

Hooking and other Techniques for Hiding and Protection

Malware Analysis System Evasion

HIPS / PFW / Operating System Protection Evasion

Mitre Att&ck Matrix

Malware Configuration

Behavior Graph

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

Dropped Files

Domains

URLs

Domains and IPs

Contacted Domains

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

Static ELF Info

ELF header

Sections

Program Segments

Network Behavior

Network Port Distribution

TCP Packets

UDP Packets

DNS Queries

DNS Answers

System Behavior

Analysis Process: dash PID: 6230, Parent PID: 4340

General

Process Activities

Process Overlayed (Exec)

Chronological Activities

Analysis Process: rm PID: 6230, Parent PID: 4340

General

File Activities

File Opened

File Deleted

File Read

Chronological Activities

Analysis Process: dash PID: 6231, Parent PID: 4340

General

Process Activities

Process Overlayed (Exec)

Chronological Activities

Analysis Process: rm PID: 6231, Parent PID: 4340

General

File Activities

File Opened

File Deleted

Linux Analysis Report
sh4.elf