Joe Sandbox Cloud Basic Analysis Report

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Linux Analysis Report
arm.elf

Overview

General Information

Sample name:arm.elf
Analysis ID:1540923
MD5:eaeb3e3ab7ae0b942512b0b6b78968ca
SHA1:b3c3f00e9a406394cdfcd542bbe577e2d88080ad
SHA256:241db4d66c92dcbdcd51255ec4920fb16aa5c6e524593cb68a032e9559307239
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:1540923
Start date and time:2024-10-24 10:12:13 +02:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 44s
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:5813
Exit Code:0
Exit Code Info:
Killed:False
Standard Output:

Standard Error:

Process Tree

  • system is lnxubuntu20
  • arm.elf (PID: 5813, Parent: 5740, 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: 5813)Queries kernel information via 'uname': Jump to behavior
Source: arm.elf, 5813.1.0000556f59702000.0000556f59830000.rw-.sdmpBinary or memory string: qYoU!/etc/qemu-binfmt/arm
Source: arm.elf, 5813.1.00007fff0e97f000.00007fff0e9a0000.rw-.sdmpBinary or memory string: @WIx86_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
Source: arm.elf, 5813.1.0000556f59702000.0000556f59830000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/arm
Source: arm.elf, 5813.1.00007fff0e97f000.00007fff0e9a0000.rw-.sdmpBinary or memory string: /usr/bin/qemu-arm

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: 1540923 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):6.033252761446326
TrID:
  • ELF Executable and Linkable format (generic) (4004/1) 100.00%
File name:arm.elf
File size:50'960 bytes
MD5:eaeb3e3ab7ae0b942512b0b6b78968ca
SHA1:b3c3f00e9a406394cdfcd542bbe577e2d88080ad
SHA256:241db4d66c92dcbdcd51255ec4920fb16aa5c6e524593cb68a032e9559307239
SHA512:bb9fd728ed8ec5b7906ef53fa6c55ff98e1a7fab4c5384dfc8ee81dbe193dd7412e825e622ecfcf86c51d5d327571efa50560aad396ee9755c7f1f6aab7b2660
SSDEEP:1536:9mXvvxbVOXvl6FIHtyN6mQNwC5BHAVqQl4vi4:9mXvvDKvcFIw5QNwC5BgVqPi4
TLSH:50331895F9805B12C6C215BBFB0E0299762F635CE1FA73027929EF312B975560E3B183
File Content Preview:.ELF...a..........(.........4...X.......4. ...(.....................................................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:50520
Section Header Size:40
Number of Section Headers:11
Header String Table Index:10

Sections

NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
NULL0x00x00x00x00x0000
.initPROGBITS0x80940x940x180x00x6AX004
.textPROGBITS0x80b00xb00xb08c0x00x6AX0016
.finiPROGBITS0x1313c0xb13c0x140x00x6AX004
.rodataPROGBITS0x131500xb1500x11340x00x2A004
.ctorsPROGBITS0x1c2880xc2880x80x00x3WA004
.dtorsPROGBITS0x1c2900xc2900x80x00x3WA004
.dataPROGBITS0x1c29c0xc29c0x25c0x00x3WA004
.bssNOBITS0x1c4f80xc4f80x24400x00x3WA004
.ARM.attributesARM_ATTRIBUTES0x00xc4f80x100x00x0001
.shstrtabSTRTAB0x00xc5080x4e0x00x0001

Program Segments

TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
LOAD0x00x80000x80000xc2840xc2846.06520x5R E0x8000.init .text .fini .rodata
LOAD0xc2880x1c2880x1c2880x2700x26b03.43320x6RW 0x8000.ctors .dtors .data .bss
GNU_STACK0x00x00x00x00x00.00000x7RWE0x4

Network Behavior

⊘No network behavior found

System Behavior

General

Start time (UTC):08:13:18
Start date (UTC):24/10/2024
Path:/tmp/arm.elf
Arguments:/tmp/arm.elf
File size:4956856 bytes
MD5 hash:5ebfcae4fe2471fcc5695c2394773ff1

Chronological Activities