Joe Sandbox Cloud Basic Analysis Report

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Linux Analysis Report
Mf9dMcU3qj.elf

Overview

General Information

Sample name:Mf9dMcU3qj.elf
renamed because original name is a hash value
Original sample name:9b66fc49308ae25c1435869951f0ec3e.elf
Analysis ID:1532248
MD5:9b66fc49308ae25c1435869951f0ec3e
SHA1:f892119b9c93ad2ebe535427e99e5a611f87bf10
SHA256:acf9476a09014d622b6ff844d90ffb4f7b3cf5c9147fe92f9954f01215ccb2a4
Tags:32elfintelmirai
Infos:

Detection

Score:60
Range:0 - 100
Whitelisted:false

Signatures

Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Machine Learning detection for sample
Sample has stripped symbol table

Classification

General Information

Joe Sandbox version:41.0.0 Charoite
Analysis ID:1532248
Start date and time:2024-10-12 22:48:14 +02:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 22s
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:Mf9dMcU3qj.elf
renamed because original name is a hash value
Original Sample Name:9b66fc49308ae25c1435869951f0ec3e.elf
Detection:MAL
Classification:mal60.linELF@0/0@2/0

Runtime Messages

Command:/tmp/Mf9dMcU3qj.elf
PID:5532
Exit Code:139
Exit Code Info:SIGSEGV (11) Segmentation fault invalid memory reference
Killed:False
Standard Output:

Standard Error:

Process Tree

  • system is lnxubuntu20
  • Mf9dMcU3qj.elf (PID: 5532, Parent: 5447, MD5: 9b66fc49308ae25c1435869951f0ec3e) Arguments: /tmp/Mf9dMcU3qj.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
Antivirus / Scanner detection for submitted sample
Source: Mf9dMcU3qj.elfAvira: detected
Multi AV Scanner detection for submitted file
Source: Mf9dMcU3qj.elfReversingLabs: Detection: 57%
Source: Mf9dMcU3qj.elfVirustotal: Detection: 40%Perma Link
Machine Learning detection for sample
Source: Mf9dMcU3qj.elfJoe Sandbox ML: detected
Source: unknownUDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknownUDP traffic detected without corresponding DNS query: 1.1.1.1
Source: global trafficDNS traffic detected: DNS query: daisy.ubuntu.com
Source: ELF static info symbol of initial sample.symtab present: no
Source: classification engineClassification label: mal60.linELF@0/0@2/0

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 DumpingSystem Service DiscoveryRemote ServicesData from Local System1
Non-Application Layer Protocol		Exfiltration Over Other Network MediumAbuse Accessibility Features
CredentialsDomainsDefault AccountsScheduled Task/JobBoot or Logon Initialization ScriptsBoot or Logon Initialization ScriptsRootkitLSASS MemoryApplication Window DiscoveryRemote Desktop ProtocolData from Removable Media1
Application Layer Protocol		Exfiltration Over BluetoothNetwork Denial of Service

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
Mf9dMcU3qj.elf58%ReversingLabsLinux.Trojan.Mirai
Mf9dMcU3qj.elf41%VirustotalBrowse
Mf9dMcU3qj.elf100%AviraEXP/ELF.Mirai.M
Mf9dMcU3qj.elf100%Joe Sandbox ML

Dropped Files

⊘No Antivirus matches

Domains

SourceDetectionScannerLabelLink
daisy.ubuntu.com0%VirustotalBrowse

URLs

⊘No Antivirus matches

Domains and IPs

Contacted Domains

NameIPActiveMaliciousAntivirus DetectionReputation
daisy.ubuntu.com
162.213.35.24
truefalseunknown

World Map of Contacted IPs

⊘No contacted IP infos

Joe Sandbox View / Context

IPs

⊘No context

Domains

MatchAssociated Sample Name / URLSHA 256DetectionThreat NameLinkContext
daisy.ubuntu.comJnC2t6WhUf.elfGet hashmaliciousMiraiBrowse
  • 162.213.35.24
na.elfGet hashmaliciousUnknownBrowse
  • 162.213.35.25
na.elfGet hashmaliciousUnknownBrowse
  • 162.213.35.25
na.elfGet hashmaliciousMiraiBrowse
  • 162.213.35.25
na.elfGet hashmaliciousUnknownBrowse
  • 162.213.35.25
na.elfGet hashmaliciousMiraiBrowse
  • 162.213.35.24
na.elfGet hashmaliciousMiraiBrowse
  • 162.213.35.25
na.elfGet hashmaliciousUnknownBrowse
  • 162.213.35.25
na.elfGet hashmaliciousMiraiBrowse
  • 162.213.35.24
na.elfGet hashmaliciousUnknownBrowse
  • 162.213.35.24

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, Intel 80386, version 1 (SYSV), statically linked, stripped
Entropy (8bit):5.525120095113969
TrID:
  • ELF Executable and Linkable format (Linux) (4029/14) 50.16%
  • ELF Executable and Linkable format (generic) (4004/1) 49.84%
File name:Mf9dMcU3qj.elf
File size:59'220 bytes
MD5:9b66fc49308ae25c1435869951f0ec3e
SHA1:f892119b9c93ad2ebe535427e99e5a611f87bf10
SHA256:acf9476a09014d622b6ff844d90ffb4f7b3cf5c9147fe92f9954f01215ccb2a4
SHA512:b798dd8c71f5b0052ac311682019c32a046b8507956e685061b0aebce19f28e8fb0c86ab91b91119cffe208cafdbfc19ec88a7015fae37fdfed865c2e50a3faa
SSDEEP:768:AkXIVUuYpdAqmdUGLHfoK1DM6+DggEl15EGNzpP7SU+Tp6l:LpdAqmdUWVe6frv5FNV
TLSH:794317CCF907D2F6DE474C70105BF23F8731E22184B4DDE6DF925A11E89BA12640A7AA
File Content Preview:.ELF........................4...........4. ...(..............p......\...\...............P...PE..PE..,....2..............P...PE..PE..............................PE..................Q.td.......................................................................

Static ELF Info

ELF header

Class:ELF32
Data:2's complement, little endian
Version:1 (current)
Machine:Intel 80386
Version Number:0x1
Type:EXEC (Executable file)
OS/ABI:UNIX - System V
ABI Version:0
Entry Point Address:0x8048188
Flags:0x0
ELF Header Size:52
Program Header Offset:52
Program Header Size:32
Number of Program Headers:5
Section Header Offset:58780
Section Header Size:40
Number of Section Headers:11
Header String Table Index:10

Sections

NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
NULL0x00x00x00x00x0000
.initPROGBITS0x80480b40x10b40x1c0x00x6AX001
.textPROGBITS0x80480d00x10d00xb1090x00x6AX0016
.finiPROGBITS0x80531d90xc1d90x170x00x6AX001
.rodataPROGBITS0x80531f00xc1f00xc6c0x00x2A004
.tbssNOBITS0x80545500xd5500x80x00x403WAT004
.ctorsPROGBITS0x80545500xe5500x80x00x3WA004
.dtorsPROGBITS0x80545580xd5580x80x00x3WA004
.dataPROGBITS0x80545700xd5700x20c0x00x3WA004
.bssNOBITS0x80547800xd77c0x30980x00x3WA0032
.shstrtabSTRTAB0x00xe5580x440x00x0001

Program Segments

TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
LOAD0x00x80470000x80480000xce5c0xce5c5.90780x5R E0x1000.init .text .fini .rodata
LOAD0xd5500x80545500x80545500x22c0x32c84.05170x6RW 0x1000.tbss .dtors .data .bss
LOAD0xe5500x80545500x80545500x80x81.00000x6RW 0x1000.tbss .ctors
TLS0x00x00x80545500x00x00.00000x4R 0x4
GNU_STACK0x00x00x00x00x00.00000x6RW 0x4

Network Behavior

Network Port Distribution

UDP Packets

TimestampSource PortDest PortSource IPDest IP
Oct 12, 2024 22:49:05.318739891 CEST5953653192.168.2.151.1.1.1
Oct 12, 2024 22:49:05.318841934 CEST5479753192.168.2.151.1.1.1
Oct 12, 2024 22:49:05.325881958 CEST53595361.1.1.1192.168.2.15
Oct 12, 2024 22:49:05.327024937 CEST53547971.1.1.1192.168.2.15

DNS Queries

TimestampSource IPDest IPTrans IDOP CodeNameTypeClassDNS over HTTPS
Oct 12, 2024 22:49:05.318739891 CEST192.168.2.151.1.1.10xdb28Standard query (0)daisy.ubuntu.comA (IP address)IN (0x0001)false
Oct 12, 2024 22:49:05.318841934 CEST192.168.2.151.1.1.10xdb20Standard query (0)daisy.ubuntu.com28IN (0x0001)false

DNS Answers

TimestampSource IPDest IPTrans IDReply CodeNameCNameAddressTypeClassDNS over HTTPS
Oct 12, 2024 22:49:05.325881958 CEST1.1.1.1192.168.2.150xdb28No error (0)daisy.ubuntu.com162.213.35.24A (IP address)IN (0x0001)false
Oct 12, 2024 22:49:05.325881958 CEST1.1.1.1192.168.2.150xdb28No error (0)daisy.ubuntu.com162.213.35.25A (IP address)IN (0x0001)false

System Behavior

General

Start time (UTC):20:49:02
Start date (UTC):12/10/2024
Path:/tmp/Mf9dMcU3qj.elf
Arguments:/tmp/Mf9dMcU3qj.elf
File size:59220 bytes
MD5 hash:9b66fc49308ae25c1435869951f0ec3e