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Linux Analysis Report
m68k.elf

Overview

General Information

Sample name:	m68k.elf
Analysis ID:	1543416
MD5:	378ddc590f856ef1806a1de2f7a4c88c
SHA1:	e519f2bc903087114ade41485251f914aacad4c4
SHA256:	3cd627eda89bb22bd50f573303076cd2216b3e0c99916e4826d21c53965b2fab
Tags:	elfuser-abuse_ch

Detection

Score:	48
Range:	0 - 100
Whitelisted:	false

Signatures

Multi AV Scanner detection for submitted file

Sample has stripped symbol table

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

Classification

General Information

Joe Sandbox version:	41.0.0 Charoite
Analysis ID:	1543416
Start date and time:	2024-10-27 20:12:51 +01:00
Joe Sandbox product:	CloudBasic
Overall analysis duration:	0h 4m 53s
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:	m68k.elf
Detection:	MAL
Classification:	mal48.linELF@0/0@0/0

Warnings

VT rate limit hit for: m68k.elf

Runtime Messages

Command:	/tmp/m68k.elf
PID:	5833
Exit Code:	0
Exit Code Info:
Killed:	False
Standard Output:
Standard Error:

Process Tree

system is lnxubuntu20

m68k.elf (PID: 5833, Parent: 5758, MD5: cd177594338c77b895ae27c33f8f86cc) Arguments: /tmp/m68k.elf

cleanup

Yara Signatures

⊘No yara matches

Suricata Signatures

⊘No Suricata rule has matched

Joe Sandbox Signatures

Click to jump to signature section

Show All Signature Results

AV Detection

Multi AV Scanner detection for submitted file

Source: m68k.elf

ReversingLabs: Detection: 13%

Source: ELF static info symbol of initial sample

.symtab present: no

Source: classification engine

Classification label: mal48.linELF@0/0@0/0

Source: /tmp/m68k.elf (PID: 5833)

Queries kernel information via 'uname':

Jump to behavior

Source: m68k.elf, 5833.1.000055ae0c4ee000.000055ae0c552000.rw-.sdmp	Binary or memory string: U!/etc/qemu-binfmt/m68k
Source: m68k.elf, 5833.1.00007ffc1e904000.00007ffc1e925000.rw-.sdmp	Binary or memory string: /usr/bin/qemu-m68k
Source: m68k.elf, 5833.1.00007ffc1e904000.00007ffc1e925000.rw-.sdmp	Binary or memory string: f'x86_64/usr/bin/qemu-m68k/tmp/m68k.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/m68k.elf
Source: m68k.elf, 5833.1.000055ae0c4ee000.000055ae0c552000.rw-.sdmp	Binary or memory string: /etc/qemu-binfmt/m68k

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	Data Obfuscation	Exfiltration Over Other Network Medium	Abuse Accessibility Features

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
m68k.elf	13%	ReversingLabs	Linux.Backdoor.Mirai

Dropped Files

⊘No Antivirus matches

Domains

⊘No Antivirus matches

URLs

⊘No Antivirus matches

Domains and IPs

Contacted Domains

⊘No contacted domains info

World Map of Contacted IPs

⊘No contacted IP infos

Joe Sandbox View / Context

IPs

⊘No context

Domains

⊘No context

ASNs

⊘No context

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 MSB executable, Motorola m68k, 68020, version 1 (SYSV), statically linked, stripped
Entropy (8bit):	5.969429765187392
TrID:	ELF Executable and Linkable format (generic) (4004/1) 100.00%
File name:	m68k.elf
File size:	64'316 bytes
MD5:	378ddc590f856ef1806a1de2f7a4c88c
SHA1:	e519f2bc903087114ade41485251f914aacad4c4
SHA256:	3cd627eda89bb22bd50f573303076cd2216b3e0c99916e4826d21c53965b2fab
SHA512:	2920c0af9b409c4a79d50d23d588ff1284c52fa92e34c3ed1a3b5ad83c7861411a3ec1a1cb33c866859b1b2308d5e8f7a11bd2970597b35af37777457d230415
SSDEEP:	1536:jDkxZwn8nqyi9QeuacWjcW0JcWcBx+fOgf+3m4eFLjcgjkxwJoaCa53N:j4Qgqf9QeuacWjcW0JcWcBIfOgWmny2Z
TLSH:	FA5307C3F810E9B6F809D7374C93491A7271F2B50A931AB66357762BED39198142FEC2
File Content Preview:	.ELF.......................D...4...\.....4. ...(.......................................................p..&.........dt.Q............................NV..a....da.....N^NuNV..J9....f>"y.... QJ.g.X.#.....N."y.... QJ.f.A.....J.g.Hy....N.X.........N^NuNV..N^NuN

Static ELF Info

ELF header
Class:	ELF32
Data:	2's complement, big endian
Version:	1 (current)
Machine:	MC68000
Version Number:	0x1
Type:	EXEC (Executable file)
OS/ABI:	UNIX - System V
ABI Version:	0
Entry Point Address:	0x80000144
Flags:	0x0
ELF Header Size:	52
Program Header Offset:	52
Program Header Size:	32
Number of Program Headers:	3
Section Header Offset:	63836
Section Header Size:	40
Number of Section Headers:	12
Header String Table Index:	11

Sections

Name	Type	Address	Offset	Size	EntSize	Flags	Flags Description	Align
	NULL	0x0	0x0	0x0	0x0	0x0		0
.init	PROGBITS	0x80000094	0x94	0x14	0x0	0x6	AX	2
.text	PROGBITS	0x800000a8	0xa8	0xe4ae	0x0	0x6	AX	4
.fini	PROGBITS	0x8000e556	0xe556	0xe	0x0	0x6	AX	2
.rodata	PROGBITS	0x8000e564	0xe564	0x1135	0x0	0x2	A	2
.eh_frame	PROGBITS	0x8001069c	0xf69c	0x4	0x0	0x3	WA	4
.ctors	PROGBITS	0x800106a0	0xf6a0	0x8	0x0	0x3	WA	4
.dtors	PROGBITS	0x800106a8	0xf6a8	0x8	0x0	0x3	WA	4
.jcr	PROGBITS	0x800106b0	0xf6b0	0x4	0x0	0x3	WA	4
.data	PROGBITS	0x800106b4	0xf6b4	0x258	0x0	0x3	WA	4
.bss	NOBITS	0x8001090c	0xf90c	0x2440	0x0	0x3	WA	4
.shstrtab	STRTAB	0x0	0xf90c	0x4d	0x0	0x0		1

Program Segments

Type	Offset	Virtual Address	Physical Address	File Size	Memory Size	Entropy	Flags	Flags Description	Align	Section Mappings
LOAD	0x0	0x80000000	0x80000000	0xf699	0xf699	5.9872	0x5	R E	0x1000	.init .text .fini .rodata
LOAD	0xf69c	0x8001069c	0x8001069c	0x270	0x26b0	3.6439	0x6	RW	0x1000	.eh_frame .ctors .dtors .jcr .data .bss
GNU_STACK	0x0	0x0	0x0	0x0	0x0	0.0000	0x6	RW	0x4

Network Behavior

⊘No network behavior found

System Behavior

Analysis Process: m68k.elf PID: 5833, Parent PID: 5758

General

Start time (UTC):	19:14:10
Start date (UTC):	27/10/2024
Path:	/tmp/m68k.elf
Arguments:	/tmp/m68k.elf
File size:	4463432 bytes
MD5 hash:	cd177594338c77b895ae27c33f8f86cc

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

Behavior Section

Behavior Chronological

Disassembly

Uncategorized

Graph

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Warning!

Linux Analysis Report m68k.elf

Overview

General Information

Detection

Signatures

Classification

General Information

Warnings

Runtime Messages

Process Tree

Yara Signatures

Suricata Signatures

Joe Sandbox Signatures

AV Detection

System Summary

Malware Analysis System 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

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

System Behavior

Analysis Process: m68k.elf PID: 5833, Parent PID: 5758

General

Chronological Activities

Linux Analysis Report
m68k.elf