Loading Joe Sandbox Report ...

Edit tour

Linux Analysis Report
boatnet.arm7.elf

Overview

General Information

Sample name:boatnet.arm7.elf
Analysis ID:1577850
MD5:955617fe56f45b3adbf7529b8389140c
SHA1:03e368a7fcbaf7aa2a1960911d33add9183b55ee
SHA256:23ad6c20fffdfb510e1d57a0bcbd65b3b9529dbb59c4735a6f85b1b269f64e60
Tags:elfuser-abuse_ch
Infos:

Detection

Mirai
Score:84
Range:0 - 100
Whitelisted:false

Signatures

Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Sample is packed with UPX
ELF contains segments with high entropy indicating compressed/encrypted content
Sample contains only a LOAD segment without any section mappings
Uses the "uname" system call to query kernel version information (possible evasion)
Yara signature match

Classification

Joe Sandbox version:41.0.0 Charoite
Analysis ID:1577850
Start date and time:2024-12-18 20:22:12 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 24s
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:boatnet.arm7.elf
Detection:MAL
Classification:mal84.troj.evad.linELF@0/0@2/0
  • VT rate limit hit for: boatnet.arm7.elf
Command:/tmp/boatnet.arm7.elf
PID:5447
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
  • boatnet.arm7.elf (PID: 5447, Parent: 5371, MD5: 5ebfcae4fe2471fcc5695c2394773ff1) Arguments: /tmp/boatnet.arm7.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
5447.1.00007f2c4c017000.00007f2c4c02e000.r-x.sdmpJoeSecurity_Mirai_9Yara detected MiraiJoe Security
    5447.1.00007f2c4c017000.00007f2c4c02e000.r-x.sdmpJoeSecurity_Mirai_5Yara detected MiraiJoe Security
      5447.1.00007f2c4c017000.00007f2c4c02e000.r-x.sdmpJoeSecurity_Mirai_8Yara detected MiraiJoe Security
        5447.1.00007f2c4c017000.00007f2c4c02e000.r-x.sdmpLinux_Trojan_Gafgyt_28a2fe0cunknownunknown
        • 0x1467c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x14690:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x146a4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x146b8:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x146cc:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x146e0:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x146f4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x14708:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x1471c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x14730:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x14744:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x14758:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x1476c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x14780:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x14794:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x147a8:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x147bc:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x147d0:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x147e4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x147f8:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x1480c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        5447.1.00007f2c4c017000.00007f2c4c02e000.r-x.sdmpLinux_Trojan_Gafgyt_ea92cca8unknownunknown
        • 0x14bd4:$a: 53 65 6C 66 20 52 65 70 20 46 75 63 6B 69 6E 67 20 4E 65 54 69 53 20 61 6E 64
        Click to see the 2 entries
        No Suricata rule has matched

        Click to jump to signature section

        Show All Signature Results

        AV Detection

        barindex
        Source: boatnet.arm7.elfReversingLabs: Detection: 39%
        Source: global trafficDNS traffic detected: DNS query: daisy.ubuntu.com
        Source: boatnet.arm7.elfString found in binary or memory: http://upx.sf.net

        System Summary

        barindex
        Source: 5447.1.00007f2c4c017000.00007f2c4c02e000.r-x.sdmp, type: MEMORYMatched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
        Source: 5447.1.00007f2c4c017000.00007f2c4c02e000.r-x.sdmp, type: MEMORYMatched rule: Linux_Trojan_Gafgyt_ea92cca8 Author: unknown
        Source: 5447.1.00007f2c4c017000.00007f2c4c02e000.r-x.sdmp, type: MEMORYMatched rule: Detects Mirai Botnet Malware Author: Florian Roth
        Source: 5447.1.00007f2c4c017000.00007f2c4c02e000.r-x.sdmp, type: MEMORYMatched rule: Detects ELF malware Mirai related Author: Florian Roth
        Source: LOAD without section mappingsProgram segment: 0x8000
        Source: 5447.1.00007f2c4c017000.00007f2c4c02e000.r-x.sdmp, type: MEMORYMatched rule: Linux_Trojan_Gafgyt_28a2fe0c os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = a2c6beaec18ca876e8487c11bcc7a29279669588aacb7d3027d8d8df8f5bcead, id = 28a2fe0c-eed5-4c79-81e6-3b11b73a4ebd, last_modified = 2021-09-16
        Source: 5447.1.00007f2c4c017000.00007f2c4c02e000.r-x.sdmp, type: MEMORYMatched rule: Linux_Trojan_Gafgyt_ea92cca8 os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = aa4aee9f3d6bedd8234eaf8778895a0f5d71c42b21f2a428f01f121e85704e8e, id = ea92cca8-bba7-4a1c-9b88-a2d051ad0021, last_modified = 2021-09-16
        Source: 5447.1.00007f2c4c017000.00007f2c4c02e000.r-x.sdmp, type: MEMORYMatched rule: Mirai_Botnet_Malware date = 2016-10-04, hash5 = 420bf9215dfb04e5008c5e522eee9946599e2b323b17f17919cd802ebb012175, hash4 = 2efa09c124f277be2199bee58f49fc0ce6c64c0bef30079dfb3d94a6de492a69, hash3 = 20683ff7a5fec1237fc09224af40be029b9548c62c693844624089af568c89d4, hash2 = 05c78c3052b390435e53a87e3d31e9fb17f7c76bb4df2814313bca24735ce81c, hash1 = 05c78c3052b390435e53a87e3d31e9fb17f7c76bb4df2814313bca24735ce81c, author = Florian Roth, description = Detects Mirai Botnet Malware, hash10 = c61bf95146c68bfbbe01d7695337ed0e93ea759f59f651799f07eecdb339f83f, hash11 = d9573c3850e2ae35f371dff977fc3e5282a5e67db8e3274fd7818e8273fd5c89, hash12 = f1100c84abff05e0501e77781160d9815628e7fd2de9e53f5454dbcac7c84ca5, hash9 = bf0471b37dba7939524a30d7d5afc8fcfb8d4a7c9954343196737e72ea4e2dc4, hash8 = 89570ae59462e6472b6769545a999bde8457e47ae0d385caaa3499ab735b8147, hash7 = 70bb0ec35dd9afcfd52ec4e1d920e7045dc51dca0573cd4c753987c9d79405c0, hash6 = 62cdc8b7fffbaf5683a466f6503c03e68a15413a90f6afd5a13ba027631460c6, reference = Internal Research, license = https://creativecommons.org/licenses/by-nc/4.0/, hash13 = fb713ccf839362bf0fbe01aedd6796f4d74521b133011b408e42c1fd9ab8246b
        Source: 5447.1.00007f2c4c017000.00007f2c4c02e000.r-x.sdmp, type: MEMORYMatched rule: MAL_ELF_LNX_Mirai_Oct10_2 date = 2018-10-27, hash1 = fa0018e75f503f9748a5de0d14d4358db234f65e28c31c8d5878cc58807081c9, author = Florian Roth, description = Detects ELF malware Mirai related, reference = Internal Research
        Source: classification engineClassification label: mal84.troj.evad.linELF@0/0@2/0

        Data Obfuscation

        barindex
        Source: initial sampleString containing UPX found: $Info: This file is packed with the UPX executable packer http://upx.sf.net $
        Source: initial sampleString containing UPX found: $Info: This file is packed with the UPX executable packer http://upx.sf.net $
        Source: initial sampleString containing UPX found: $Id: UPX 3.94 Copyright (C) 1996-2017 the UPX Team. All Rights Reserved. $
        Source: boatnet.arm7.elfSubmission file: segment LOAD with 7.963 entropy (max. 8.0)
        Source: /tmp/boatnet.arm7.elf (PID: 5447)Queries kernel information via 'uname': Jump to behavior
        Source: boatnet.arm7.elf, 5447.1.0000556a87efe000.0000556a880cc000.rw-.sdmpBinary or memory string: jU!/etc/qemu-binfmt/arm
        Source: boatnet.arm7.elf, 5447.1.00007ffc49abe000.00007ffc49adf000.rw-.sdmpBinary or memory string: YLx86_64/usr/bin/qemu-arm/tmp/boatnet.arm7.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/boatnet.arm7.elf
        Source: boatnet.arm7.elf, 5447.1.0000556a87efe000.0000556a880cc000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/arm
        Source: boatnet.arm7.elf, 5447.1.00007ffc49abe000.00007ffc49adf000.rw-.sdmpBinary or memory string: /usr/bin/qemu-arm
        Source: boatnet.arm7.elf, 5447.1.00007ffc49abe000.00007ffc49adf000.rw-.sdmpBinary or memory string: qemu: uncaught target signal 11 (Segmentation fault) - core dumped

        Stealing of Sensitive Information

        barindex
        Source: Yara matchFile source: 5447.1.00007f2c4c017000.00007f2c4c02e000.r-x.sdmp, type: MEMORY

        Remote Access Functionality

        barindex
        Source: Yara matchFile source: 5447.1.00007f2c4c017000.00007f2c4c02e000.r-x.sdmp, type: MEMORY
        ReconnaissanceResource DevelopmentInitial AccessExecutionPersistencePrivilege EscalationDefense EvasionCredential AccessDiscoveryLateral MovementCollectionCommand and ControlExfiltrationImpact
        Gather Victim Identity InformationAcquire InfrastructureValid AccountsWindows Management InstrumentationPath InterceptionPath Interception11
        Obfuscated Files or Information
        OS 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
        boatnet.arm7.elf39%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://upx.sf.netboatnet.arm7.elffalse
            high
            No contacted IP infos
            No context
            MatchAssociated Sample Name / URLSHA 256DetectionThreat NameLinkContext
            daisy.ubuntu.comboatnet.sh4.elfGet hashmaliciousMiraiBrowse
            • 162.213.35.24
            boatnet.mips.elfGet hashmaliciousMiraiBrowse
            • 162.213.35.25
            la.bot.mips.elfGet hashmaliciousMiraiBrowse
            • 162.213.35.24
            la.bot.arm6.elfGet hashmaliciousMiraiBrowse
            • 162.213.35.24
            boatnet.mpsl.elfGet hashmaliciousMiraiBrowse
            • 162.213.35.24
            la.bot.arm.elfGet hashmaliciousMiraiBrowse
            • 162.213.35.25
            3.elfGet hashmaliciousUnknownBrowse
            • 162.213.35.24
            la.bot.mipsel.elfGet hashmaliciousMiraiBrowse
            • 162.213.35.25
            loligang.arm5.elfGet hashmaliciousMiraiBrowse
            • 162.213.35.25
            arm5.nn-20241218-1651.elfGet hashmaliciousMirai, OkiruBrowse
            • 162.213.35.24
            No context
            No context
            No context
            No created / dropped files found
            File type:ELF 32-bit LSB executable, ARM, EABI4 version 1 (GNU/Linux), statically linked, no section header
            Entropy (8bit):7.977854109315946
            TrID:
            • ELF Executable and Linkable format (generic) (4004/1) 100.00%
            File name:boatnet.arm7.elf
            File size:51'144 bytes
            MD5:955617fe56f45b3adbf7529b8389140c
            SHA1:03e368a7fcbaf7aa2a1960911d33add9183b55ee
            SHA256:23ad6c20fffdfb510e1d57a0bcbd65b3b9529dbb59c4735a6f85b1b269f64e60
            SHA512:313d46328d11456ea5ecb64855840811ec0d27b910c9971929777882d0c5d55b7752a6f6ae3141f83fc36c97e0e75accf56e1a6aa0367f58a9a2b4e4b646d807
            SSDEEP:768:n6nIgWF0qHYc7MzM6t77QrQqvFUQDJ9q3UELYuOinU0GG2E9fzjGjD:n6v+rHYc7WMM7sUqL8LYP0GGDGjD
            TLSH:C133E1228203CA17DF92E4375716CA9B04DB5E6CC17536834660CBDD9A93C429FF6CA6
            File Content Preview:.ELF..............(.........4...........4. ...(.........................................@...@...@...................Q.td............................>. NUPX!.........,...,......j..........?.E.h;....#..$...o...[dO.Q.$.z~..j}d...{....../WaF.n1ygxCq!........7

            ELF header

            Class:ELF32
            Data:2's complement, little endian
            Version:1 (current)
            Machine:ARM
            Version Number:0x1
            Type:EXEC (Executable file)
            OS/ABI:UNIX - Linux
            ABI Version:0
            Entry Point Address:0xfa98
            Flags:0x4000002
            ELF Header Size:52
            Program Header Offset:52
            Program Header Size:32
            Number of Program Headers:3
            Section Header Offset:0
            Section Header Size:40
            Number of Section Headers:0
            Header String Table Index:0
            TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
            LOAD0x00x80000x80000x8c850x8c857.96300x5R E0x8000
            LOAD0x14400x294400x294400x00x00.00000x6RW 0x8000
            GNU_STACK0x00x00x00x00x00.00000x7RWE0x4
            TimestampSource PortDest PortSource IPDest IP
            Dec 18, 2024 20:23:03.247663021 CET5944653192.168.2.138.8.8.8
            Dec 18, 2024 20:23:03.247716904 CET4164653192.168.2.138.8.8.8
            Dec 18, 2024 20:23:03.370644093 CET53416468.8.8.8192.168.2.13
            Dec 18, 2024 20:23:03.382128954 CET53594468.8.8.8192.168.2.13
            TimestampSource IPDest IPTrans IDOP CodeNameTypeClassDNS over HTTPS
            Dec 18, 2024 20:23:03.247663021 CET192.168.2.138.8.8.80xb207Standard query (0)daisy.ubuntu.comA (IP address)IN (0x0001)false
            Dec 18, 2024 20:23:03.247716904 CET192.168.2.138.8.8.80xa270Standard query (0)daisy.ubuntu.com28IN (0x0001)false
            TimestampSource IPDest IPTrans IDReply CodeNameCNameAddressTypeClassDNS over HTTPS
            Dec 18, 2024 20:23:03.382128954 CET8.8.8.8192.168.2.130xb207No error (0)daisy.ubuntu.com162.213.35.24A (IP address)IN (0x0001)false
            Dec 18, 2024 20:23:03.382128954 CET8.8.8.8192.168.2.130xb207No error (0)daisy.ubuntu.com162.213.35.25A (IP address)IN (0x0001)false

            System Behavior

            Start time (UTC):19:23:00
            Start date (UTC):18/12/2024
            Path:/tmp/boatnet.arm7.elf
            Arguments:/tmp/boatnet.arm7.elf
            File size:4956856 bytes
            MD5 hash:5ebfcae4fe2471fcc5695c2394773ff1