Joe Sandbox Cloud Basic Analysis Report

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Linux Analysis Report
arm.elf

Overview

General Information

Sample name:arm.elf
Analysis ID:1541316
MD5:aea40b20101e1e9895a3c2ce02a260a8
SHA1:24c4c52ceb4fa325804de531edd2a45b8e3337ed
SHA256:6e7450ce25f4a3a13fa254a8e23e1f58e53da943ca5137cae05e91c0e6ef62c6
Tags:elfuser-abuse_ch

Detection

Score:1
Range:0 - 100
Whitelisted:false

Signatures

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:1541316
Start date and time:2024-10-24 17:29:10 +02:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 18s
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:arm.elf
Detection:CLEAN
Classification:clean1.linELF@0/0@0/0

Warnings

  • VT rate limit hit for: arm.elf

Runtime Messages

Command:/tmp/arm.elf
PID:5426
Exit Code:0
Exit Code Info:
Killed:False
Standard Output:

Standard Error:

Process Tree

  • system is lnxubuntu20
  • arm.elf (PID: 5426, Parent: 5349, MD5: 5ebfcae4fe2471fcc5695c2394773ff1) Arguments: /tmp/arm.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

There are no malicious signatures, click here to show all signatures.

Source: ELF static info symbol of initial sample.symtab present: no
Source: classification engineClassification label: clean1.linELF@0/0@0/0
Source: /tmp/arm.elf (PID: 5426)Queries kernel information via 'uname': Jump to behavior
Source: arm.elf, 5426.1.00005625368a0000.00005625369ce000.rw-.sdmpBinary or memory string: 6%V!/etc/qemu-binfmt/arm
Source: arm.elf, 5426.1.00005625368a0000.00005625369ce000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/arm
Source: arm.elf, 5426.1.00007ffcc3fb4000.00007ffcc3fd5000.rw-.sdmpBinary or memory string: /usr/bin/qemu-arm
Source: arm.elf, 5426.1.00007ffcc3fb4000.00007ffcc3fd5000.rw-.sdmpBinary or memory string: 8x86_64/usr/bin/qemu-arm/tmp/arm.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/arm.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

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Legend:

  • Process
  • Signature
  • Created File
  • DNS/IP Info
  • Is Dropped
  • Number of created Files
  • Is malicious
  • Internet
behaviorgraph top1 process2 2 Behavior Graph ID: 1541316 Sample: arm.elf Startdate: 24/10/2024 Architecture: LINUX Score: 1 4 arm.elf 2->4         started       

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

SourceDetectionScannerLabelLink
arm.elf5%ReversingLabs

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 LSB executable, ARM, version 1 (ARM), statically linked, stripped
Entropy (8bit):5.869145202312313
TrID:
  • ELF Executable and Linkable format (generic) (4004/1) 100.00%
File name:arm.elf
File size:38'024 bytes
MD5:aea40b20101e1e9895a3c2ce02a260a8
SHA1:24c4c52ceb4fa325804de531edd2a45b8e3337ed
SHA256:6e7450ce25f4a3a13fa254a8e23e1f58e53da943ca5137cae05e91c0e6ef62c6
SHA512:778196bc728712eff665f6614669454fcc54c878e89e1624ba10ba4a71016b4b99532ebae172ff7b2c7b8dc8b19d92ec4c4f7d644916d6383e7792b75aacd913
SSDEEP:768:iI+jp8SVdpdPUUe8vqF0IFCuwKF8ltBTsWpqmEKHhQvvrq:Tn83VnexF9YN7ltBSKHhSv
TLSH:6D030786B9455B13C5C9527BFB0E438A363F971CE1FE73426A29AF2533874260F7A046
File Content Preview:.ELF...a..........(.........4...........4. ...(.....................................................l...P&..........Q.td..................................-...L."...."..........0@-.\P...0....S.0...P@...0... ....R......0...0...........0... ....R..... 0....S

Static ELF Info

ELF header

Class:ELF32
Data:2's complement, little endian
Version:1 (current)
Machine:ARM
Version Number:0x1
Type:EXEC (Executable file)
OS/ABI:ARM - ABI
ABI Version:0
Entry Point Address:0x8190
Flags:0x202
ELF Header Size:52
Program Header Offset:52
Program Header Size:32
Number of Program Headers:3
Section Header Offset:37584
Section Header Size:40
Number of Section Headers:11
Header String Table Index:10

Sections

NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
NULL0x00x00x00x00x0000
.initPROGBITS0x80940x940x180x00x6AX004
.textPROGBITS0x80b00xb00x88840x00x6AX0016
.finiPROGBITS0x109340x89340x140x00x6AX004
.rodataPROGBITS0x109480x89480x4cc0x00x2A004
.ctorsPROGBITS0x190040x90040x80x00x3WA004
.dtorsPROGBITS0x1900c0x900c0x80x00x3WA004
.dataPROGBITS0x190180x90180x2580x00x3WA004
.bssNOBITS0x192700x92700x23e40x00x3WA004
.ARM.attributesARM_ATTRIBUTES0x00x92700x100x00x0001
.shstrtabSTRTAB0x00x92800x4e0x00x0001

Program Segments

TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
LOAD0x00x80000x80000x8e140x8e145.95350x5R E0x8000.init .text .fini .rodata
LOAD0x90040x190040x190040x26c0x26503.41210x6RW 0x8000.ctors .dtors .data .bss
GNU_STACK0x00x00x00x00x00.00000x7RWE0x4

Network Behavior

⊘No network behavior found

System Behavior

General

Start time (UTC):15:29:53
Start date (UTC):24/10/2024
Path:/tmp/arm.elf
Arguments:/tmp/arm.elf
File size:4956856 bytes
MD5 hash:5ebfcae4fe2471fcc5695c2394773ff1

Chronological Activities