Joe Sandbox Cloud Basic Analysis Report

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Linux Analysis Report
m68k.elf

Overview

General Information

Sample name:m68k.elf
Analysis ID:1543504
MD5:c4032dca32a9e32d0e7358020a288d39
SHA1:8d21ef0430cf6049a8ff499857f5bd31fc5b00c7
SHA256:d21092fd7de2839d28e215eeb90d66c40613944d2bf59050c70a9e2799a2fb90
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:1543504
Start date and time:2024-10-28 02:23:07 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 21s
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

Runtime Messages

Command:/tmp/m68k.elf
PID:5434
Exit Code:0
Exit Code Info:
Killed:False
Standard Output:

Standard Error:

Process Tree

  • system is lnxubuntu20
  • m68k.elf (PID: 5434, Parent: 5357, 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

barindex
Multi AV Scanner detection for submitted file
Source: m68k.elfReversingLabs: Detection: 13%
Source: ELF static info symbol of initial sample.symtab present: no
Source: classification engineClassification label: mal48.linELF@0/0@0/0
Source: /tmp/m68k.elf (PID: 5434)Queries kernel information via 'uname': Jump to behavior
Source: m68k.elf, 5434.1.00007ffeafbd3000.00007ffeafbf4000.rw-.sdmpBinary or memory string: /usr/bin/qemu-m68k
Source: m68k.elf, 5434.1.000056004a5eb000.000056004a64f000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/m68k
Source: m68k.elf, 5434.1.000056004a5eb000.000056004a64f000.rw-.sdmpBinary or memory string: ^JV!/etc/qemu-binfmt/m68k
Source: m68k.elf, 5434.1.00007ffeafbd3000.00007ffeafbf4000.rw-.sdmpBinary or memory string: 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

Mitre Att&ck Matrix

ReconnaissanceResource DevelopmentInitial AccessExecutionPersistencePrivilege EscalationDefense EvasionCredential AccessDiscoveryLateral MovementCollectionCommand and ControlExfiltrationImpact
Gather Victim Identity InformationAcquire InfrastructureValid AccountsWindows Management InstrumentationPath InterceptionPath InterceptionDirect Volume AccessOS Credential Dumping11
Security Software Discovery		Remote ServicesData from Local SystemData ObfuscationExfiltration Over Other Network MediumAbuse 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

Screenshots

Thumbnails

This section contains all screenshots as thumbnails, including those not shown in the slideshow.


windows-stand

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

SourceDetectionScannerLabelLink
m68k.elf13%ReversingLabsLinux.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):5.959414529708997
TrID:
  • ELF Executable and Linkable format (generic) (4004/1) 100.00%
File name:m68k.elf
File size:63'324 bytes
MD5:c4032dca32a9e32d0e7358020a288d39
SHA1:8d21ef0430cf6049a8ff499857f5bd31fc5b00c7
SHA256:d21092fd7de2839d28e215eeb90d66c40613944d2bf59050c70a9e2799a2fb90
SHA512:e56c7454c5b9356356be7becb704948f4be08302770ad630193e27a325367f7e2528763c8c61a15117c47f2d45a8778452007964dc446e07eae4a9e12c1357f4
SSDEEP:1536:o5xE4K18nqAipQeuacWjcW0JcWcBtG2IzCITw4eCo6NQbohA7su5T:sWyqVpQeuacWjcW0JcWcB82IzTwnIKrR
TLSH:265308C7F910D9BAF849E7370C93491A7270F2B10A531AB66357376FE939198142BEC2
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:62844
Section Header Size:40
Number of Section Headers:12
Header String Table Index:11

Sections

NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
NULL0x00x00x00x00x0000
.initPROGBITS0x800000940x940x140x00x6AX002
.textPROGBITS0x800000a80xa80xe0e60x00x6AX004
.finiPROGBITS0x8000e18e0xe18e0xe0x00x6AX002
.rodataPROGBITS0x8000e19c0xe19c0x111d0x00x2A002
.eh_framePROGBITS0x800102bc0xf2bc0x40x00x3WA004
.ctorsPROGBITS0x800102c00xf2c00x80x00x3WA004
.dtorsPROGBITS0x800102c80xf2c80x80x00x3WA004
.jcrPROGBITS0x800102d00xf2d00x40x00x3WA004
.dataPROGBITS0x800102d40xf2d40x2580x00x3WA004
.bssNOBITS0x8001052c0xf52c0x24400x00x3WA004
.shstrtabSTRTAB0x00xf52c0x4d0x00x0001

Program Segments

TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
LOAD0x00x800000000x800000000xf2b90xf2b95.97760x5R E0x1000.init .text .fini .rodata
LOAD0xf2bc0x800102bc0x800102bc0x2700x26b03.58820x6RW 0x1000.eh_frame .ctors .dtors .jcr .data .bss
GNU_STACK0x00x00x00x00x00.00000x6RW 0x4

Network Behavior

⊘No network behavior found

System Behavior

General

Start time (UTC):01:23:54
Start date (UTC):28/10/2024
Path:/tmp/m68k.elf
Arguments:/tmp/m68k.elf
File size:4463432 bytes
MD5 hash:cd177594338c77b895ae27c33f8f86cc

Chronological Activities