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Linux Analysis Report
boatnet.arm6.elf

Overview

General Information

Sample name:boatnet.arm6.elf
Analysis ID:1541012
MD5:f2967b0ee13d4f469381695fb6f3076e
SHA1:80efc3b135509d4b9cf0ce38bf4b82a0c7c76060
SHA256:c00d400bd05763a6cce28e98e3d86078d285447f3c85371e073e64ffd57ab305
Tags:elfMiraiuser-abuse_ch
Infos:

Detection

Mirai
Score:76
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:1541012
Start date and time:2024-10-24 11:31:58 +02:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 19s
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.arm6.elf
Detection:MAL
Classification:mal76.troj.evad.linELF@0/0@2/0
  • VT rate limit hit for: boatnet.arm6.elf
Command:/tmp/boatnet.arm6.elf
PID:5482
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.arm6.elf (PID: 5482, Parent: 5404, MD5: 5ebfcae4fe2471fcc5695c2394773ff1) Arguments: /tmp/boatnet.arm6.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
5482.1.00007f12a0017000.00007f12a002e000.r-x.sdmpJoeSecurity_Mirai_5Yara detected MiraiJoe Security
    5482.1.00007f12a0017000.00007f12a002e000.r-x.sdmpJoeSecurity_Mirai_8Yara detected MiraiJoe Security
      5482.1.00007f12a0017000.00007f12a002e000.r-x.sdmpLinux_Trojan_Gafgyt_28a2fe0cunknownunknown
      • 0x15130:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
      • 0x15144:$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
      • 0x15158:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
      • 0x1516c:$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
      • 0x15180:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
      • 0x15194:$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
      • 0x151a8:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
      • 0x151bc:$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
      • 0x151d0:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
      • 0x151e4:$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
      • 0x151f8:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
      • 0x1520c:$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
      • 0x15220:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
      • 0x15234:$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
      • 0x15248:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
      • 0x1525c:$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
      • 0x15270:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
      • 0x15284:$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
      • 0x15298:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
      • 0x152ac:$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
      • 0x152c0:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
      5482.1.00007f12a0017000.00007f12a002e000.r-x.sdmpLinux_Trojan_Gafgyt_ea92cca8unknownunknown
      • 0x15688:$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
      5482.1.00007f12a0017000.00007f12a002e000.r-x.sdmpMirai_Botnet_MalwareDetects Mirai Botnet MalwareFlorian Roth
      • 0x150ac:$x1: POST /cdn-cgi/
      • 0x15ea8:$s1: LCOGQGPTGP
      Click to see the 4 entries
      No Suricata rule has matched

      Click to jump to signature section

      Show All Signature Results

      AV Detection

      barindex
      Source: boatnet.arm6.elfReversingLabs: Detection: 36%
      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: boatnet.arm6.elfString found in binary or memory: http://upx.sf.net

      System Summary

      barindex
      Source: 5482.1.00007f12a0017000.00007f12a002e000.r-x.sdmp, type: MEMORYMatched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
      Source: 5482.1.00007f12a0017000.00007f12a002e000.r-x.sdmp, type: MEMORYMatched rule: Linux_Trojan_Gafgyt_ea92cca8 Author: unknown
      Source: 5482.1.00007f12a0017000.00007f12a002e000.r-x.sdmp, type: MEMORYMatched rule: Detects Mirai Botnet Malware Author: Florian Roth
      Source: 5482.1.00007f12a0017000.00007f12a002e000.r-x.sdmp, type: MEMORYMatched rule: Detects ELF malware Mirai related Author: Florian Roth
      Source: Process Memory Space: boatnet.arm6.elf PID: 5482, type: MEMORYSTRMatched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
      Source: Process Memory Space: boatnet.arm6.elf PID: 5482, type: MEMORYSTRMatched rule: Linux_Trojan_Gafgyt_ea92cca8 Author: unknown
      Source: LOAD without section mappingsProgram segment: 0x8000
      Source: 5482.1.00007f12a0017000.00007f12a002e000.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: 5482.1.00007f12a0017000.00007f12a002e000.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: 5482.1.00007f12a0017000.00007f12a002e000.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: 5482.1.00007f12a0017000.00007f12a002e000.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: Process Memory Space: boatnet.arm6.elf PID: 5482, type: MEMORYSTRMatched 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: Process Memory Space: boatnet.arm6.elf PID: 5482, type: MEMORYSTRMatched 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: classification engineClassification label: mal76.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.arm6.elfSubmission file: segment LOAD with 7.963 entropy (max. 8.0)
      Source: /tmp/boatnet.arm6.elf (PID: 5482)Queries kernel information via 'uname': Jump to behavior
      Source: boatnet.arm6.elf, 5482.1.00005564bf320000.00005564bf4ee000.rw-.sdmpBinary or memory string: dU!/etc/qemu-binfmt/arm
      Source: boatnet.arm6.elf, 5482.1.00007ffe39dd4000.00007ffe39df5000.rw-.sdmpBinary or memory string: xx86_64/usr/bin/qemu-arm/tmp/boatnet.arm6.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.arm6.elf
      Source: boatnet.arm6.elf, 5482.1.00005564bf320000.00005564bf4ee000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/arm
      Source: boatnet.arm6.elf, 5482.1.00007ffe39dd4000.00007ffe39df5000.rw-.sdmpBinary or memory string: /usr/bin/qemu-arm
      Source: boatnet.arm6.elf, 5482.1.00007ffe39dd4000.00007ffe39df5000.rw-.sdmpBinary or memory string: qemu: uncaught target signal 11 (Segmentation fault) - core dumped

      Stealing of Sensitive Information

      barindex
      Source: Yara matchFile source: 5482.1.00007f12a0017000.00007f12a002e000.r-x.sdmp, type: MEMORY
      Source: Yara matchFile source: Process Memory Space: boatnet.arm6.elf PID: 5482, type: MEMORYSTR

      Remote Access Functionality

      barindex
      Source: Yara matchFile source: 5482.1.00007f12a0017000.00007f12a002e000.r-x.sdmp, type: MEMORY
      Source: Yara matchFile source: Process Memory Space: boatnet.arm6.elf PID: 5482, type: MEMORYSTR
      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

      This section contains all screenshots as thumbnails, including those not shown in the slideshow.


      windows-stand
      SourceDetectionScannerLabelLink
      boatnet.arm6.elf37%ReversingLabsLinux.Trojan.Mirai
      No Antivirus matches
      No Antivirus matches
      SourceDetectionScannerLabelLink
      http://upx.sf.net0%URL Reputationsafe
      NameIPActiveMaliciousAntivirus DetectionReputation
      daisy.ubuntu.com
      162.213.35.24
      truefalse
        unknown
        NameSourceMaliciousAntivirus DetectionReputation
        http://upx.sf.netboatnet.arm6.elftrue
        • URL Reputation: safe
        unknown
        No contacted IP infos
        No context
        MatchAssociated Sample Name / URLSHA 256DetectionThreat NameLinkContext
        daisy.ubuntu.compowerpc.elfGet hashmaliciousUnknownBrowse
        • 162.213.35.24
        na.elfGet hashmaliciousUnknownBrowse
        • 162.213.35.24
        la.bot.arm.elfGet hashmaliciousUnknownBrowse
        • 162.213.35.24
        botnet.mips.elfGet hashmaliciousUnknownBrowse
        • 162.213.35.25
        la.bot.mipsel.elfGet hashmaliciousUnknownBrowse
        • 162.213.35.25
        bot.arm6.elfGet hashmaliciousMirai, OkiruBrowse
        • 162.213.35.25
        la.bot.m68k.elfGet hashmaliciousUnknownBrowse
        • 162.213.35.25
        hidakibest.arm5.elfGet hashmaliciousGafgyt, MiraiBrowse
        • 162.213.35.24
        la.bot.mips.elfGet hashmaliciousUnknownBrowse
        • 162.213.35.24
        boatnet.x86.elfGet hashmaliciousMiraiBrowse
        • 162.213.35.25
        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):7.96066594623798
        TrID:
        • ELF Executable and Linkable format (generic) (4004/1) 100.00%
        File name:boatnet.arm6.elf
        File size:36'112 bytes
        MD5:f2967b0ee13d4f469381695fb6f3076e
        SHA1:80efc3b135509d4b9cf0ce38bf4b82a0c7c76060
        SHA256:c00d400bd05763a6cce28e98e3d86078d285447f3c85371e073e64ffd57ab305
        SHA512:a5434175682a6df4734a15f533b9e2190891f10832db0a85e4159d7567d1ed280ef7512994a59a58e3f7f20689bb0d6715f28e6136fbf2f5e0b0ee373657f778
        SSDEEP:768:1wp0d9ekUocBsGb5r47Dhe0WVHKTwLr/Hecd5wc9q3UELl4:n9eecf5wXWVHKTwXELO
        TLSH:B9F2F137265CED91CB70203DF950D9C1FBD50BEE86FEF2672604A9592CA34C6316174A
        File Content Preview:.ELF..............(.........4...........4. ...(.....................................................................Q.td...............................aUPX!........4u..4u......S..........?.E.h;....#..$..1).~.b.-U.lYIn.(.r}!^R.......f..).}.O...jQ..Bg.pAN.X

        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:0xf9f0
        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
        LOAD0x00x80000x80000x8bdd0x8bdd7.96300x5R E0x8000
        LOAD0x19e00x319e00x319e00x00x00.00000x6RW 0x8000
        GNU_STACK0x00x00x00x00x00.00000x7RWE0x4
        TimestampSource PortDest PortSource IPDest IP
        Oct 24, 2024 11:32:42.803817987 CEST5211553192.168.2.141.1.1.1
        Oct 24, 2024 11:32:42.803818941 CEST6046853192.168.2.141.1.1.1
        Oct 24, 2024 11:32:42.812428951 CEST53521151.1.1.1192.168.2.14
        Oct 24, 2024 11:32:42.813868999 CEST53604681.1.1.1192.168.2.14
        TimestampSource IPDest IPTrans IDOP CodeNameTypeClassDNS over HTTPS
        Oct 24, 2024 11:32:42.803817987 CEST192.168.2.141.1.1.10x73b0Standard query (0)daisy.ubuntu.com28IN (0x0001)false
        Oct 24, 2024 11:32:42.803818941 CEST192.168.2.141.1.1.10xd312Standard query (0)daisy.ubuntu.comA (IP address)IN (0x0001)false
        TimestampSource IPDest IPTrans IDReply CodeNameCNameAddressTypeClassDNS over HTTPS
        Oct 24, 2024 11:32:42.813868999 CEST1.1.1.1192.168.2.140xd312No error (0)daisy.ubuntu.com162.213.35.24A (IP address)IN (0x0001)false
        Oct 24, 2024 11:32:42.813868999 CEST1.1.1.1192.168.2.140xd312No error (0)daisy.ubuntu.com162.213.35.25A (IP address)IN (0x0001)false

        System Behavior

        Start time (UTC):09:32:40
        Start date (UTC):24/10/2024
        Path:/tmp/boatnet.arm6.elf
        Arguments:/tmp/boatnet.arm6.elf
        File size:4956856 bytes
        MD5 hash:5ebfcae4fe2471fcc5695c2394773ff1