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Linux Analysis Report
boatnet.arc.elf

Overview

General Information

Sample name:boatnet.arc.elf
Analysis ID:1641128
MD5:578eca5d96e3fc7bfbcf0a1b0072b6ce
SHA1:35b0d8f8a643581bea902363e06cdd60b2b7f8c1
SHA256:b669aa3d83089173db6c02b86888d1d22bb54fe753f62bcbf7189ebbd1ea3df9
Tags:elfMiraiuser-abuse_ch
Infos:
Errors
  • No process behavior to analyse as no analysis process or sample was found

Detection

Mirai
Score:72
Range:0 - 100

Signatures

Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Sample has stripped symbol table
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
Yara signature match

Classification

RansomwareSpreadingPhishingBankerTrojan / BotAdwareSpywareExploiterEvaderMinercleansuspiciousmalicious
Joe Sandbox version:42.0.0 Malachite
Analysis ID:1641128
Start date and time:2025-03-18 03:23:31 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 46s
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.arc.elf
Detection:MAL
Classification:mal72.troj.linELF@0/0@0/0
  • No process behavior to analyse as no analysis process or sample was found
Command:/tmp/boatnet.arc.elf
PID:6267
Exit Code:255
Exit Code Info:
Killed:False
Standard Output:

Standard Error:
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
boatnet.arc.elfJoeSecurity_Mirai_8Yara detected MiraiJoe Security
    boatnet.arc.elfLinux_Trojan_Gafgyt_28a2fe0cunknownunknown
    • 0x10d8c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
    • 0x10da0:$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
    • 0x10db4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
    • 0x10dc8:$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
    • 0x10ddc:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
    • 0x10df0:$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
    • 0x10e04:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
    • 0x10e18:$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
    • 0x10e2c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
    • 0x10e40:$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
    • 0x10e54:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
    • 0x10e68:$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
    • 0x10e7c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
    • 0x10e90:$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
    • 0x10ea4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
    • 0x10eb8:$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
    • 0x10ecc:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
    • 0x10ee0:$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
    • 0x10ef4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
    • 0x10f08:$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
    • 0x10f1c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
    boatnet.arc.elfLinux_Trojan_Gafgyt_ea92cca8unknownunknown
    • 0x10d3c:$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
    No Suricata rule has matched

    Click to jump to signature section

    Show All Signature Results

    AV Detection

    barindex
    Source: boatnet.arc.elfAvira: detected
    Source: boatnet.arc.elfVirustotal: Detection: 68%Perma Link
    Source: boatnet.arc.elfReversingLabs: Detection: 63%
    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: 91.189.91.42
    Source: unknownNetwork traffic detected: HTTP traffic on port 43928 -> 443
    Source: unknownNetwork traffic detected: HTTP traffic on port 42836 -> 443

    System Summary

    barindex
    Source: boatnet.arc.elf, type: SAMPLEMatched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
    Source: boatnet.arc.elf, type: SAMPLEMatched rule: Linux_Trojan_Gafgyt_ea92cca8 Author: unknown
    Source: ELF static info symbol of initial sample.symtab present: no
    Source: boatnet.arc.elf, type: SAMPLEMatched 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: boatnet.arc.elf, type: SAMPLEMatched 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: mal72.troj.linELF@0/0@0/0

    Stealing of Sensitive Information

    barindex
    Source: Yara matchFile source: boatnet.arc.elf, type: SAMPLE

    Remote Access Functionality

    barindex
    Source: Yara matchFile source: boatnet.arc.elf, type: SAMPLE
    ReconnaissanceResource DevelopmentInitial AccessExecutionPersistencePrivilege EscalationDefense EvasionCredential AccessDiscoveryLateral MovementCollectionCommand and ControlExfiltrationImpact
    Gather Victim Identity InformationAcquire InfrastructureValid AccountsWindows Management InstrumentationPath InterceptionPath InterceptionDirect Volume AccessOS Credential DumpingSystem Service DiscoveryRemote 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
    behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1641128 Sample: boatnet.arc.elf Startdate: 18/03/2025 Architecture: LINUX Score: 72 6 109.202.202.202, 80 INIT7CH Switzerland 2->6 8 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->8 10 91.189.91.43, 443 CANONICAL-ASGB United Kingdom 2->10 12 Malicious sample detected (through community Yara rule) 2->12 14 Antivirus / Scanner detection for submitted sample 2->14 16 Multi AV Scanner detection for submitted file 2->16 18 Yara detected Mirai 2->18 signatures3

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


    windows-stand
    SourceDetectionScannerLabelLink
    boatnet.arc.elf68%VirustotalBrowse
    boatnet.arc.elf64%ReversingLabsLinux.Backdoor.Mirai
    boatnet.arc.elf100%AviraEXP/ELF.Mirai.Z.A
    No Antivirus matches
    No Antivirus matches
    No Antivirus matches

    Download Network PCAP: filteredfull

    No contacted domains info
    • 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
    MatchAssociated Sample Name / URLSHA 256DetectionThreat NameLinkContext
    109.202.202.202kpLwzBouH4.elfGet hashmaliciousUnknownBrowse
    • ch.archive.ubuntu.com/ubuntu/pool/main/f/firefox/firefox_92.0%2bbuild3-0ubuntu0.20.04.1_amd64.deb
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                                            CANONICAL-ASGBsync.arm7.elfGet hashmaliciousUnknownBrowse
                                            • 91.189.91.42
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                                            • 91.189.91.42
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                                            • 91.189.91.42
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                                            • 91.189.91.42
                                            INIT7CHsync.arm7.elfGet hashmaliciousUnknownBrowse
                                            • 109.202.202.202
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                                            • 109.202.202.202
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                                            • 109.202.202.202
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                                            • 109.202.202.202
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                                            • 109.202.202.202
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                                            • 109.202.202.202
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                                            • 109.202.202.202
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                                            • 109.202.202.202
                                            na.elfGet hashmaliciousPrometeiBrowse
                                            • 109.202.202.202
                                            No context
                                            No context
                                            No created / dropped files found
                                            File type:ELF 32-bit LSB executable, Synopsys ARCompact ARC700 cores, version 1 (SYSV), statically linked, stripped
                                            Entropy (8bit):6.390454191815738
                                            TrID:
                                            • ELF Executable and Linkable format (generic) (4004/1) 100.00%
                                            File name:boatnet.arc.elf
                                            File size:107'800 bytes
                                            MD5:578eca5d96e3fc7bfbcf0a1b0072b6ce
                                            SHA1:35b0d8f8a643581bea902363e06cdd60b2b7f8c1
                                            SHA256:b669aa3d83089173db6c02b86888d1d22bb54fe753f62bcbf7189ebbd1ea3df9
                                            SHA512:bf3a1a8838068cc64277527f0e50a0fc287f86108acd8be711f5ab0e755e15b5a3c9c003a9bf45a57245167af3e0f1f04755af157d665fa852146a612e35fd83
                                            SSDEEP:1536:Fu27gBY9FSSpj3z5Qxw6YaWWgg1J/LWy:c9sSyzz36YaWWgg1Jq
                                            TLSH:50B39CDBF24701A0C8624AF007CB4BED3E2723815F27C5E76C6A657968791CF8906F96
                                            File Content Preview:.ELF..............].....d...4...........4. ...(.....................4...4........ ..................p....>....... ..................................................................Q.td.......................................................................

                                            ELF header

                                            Class:ELF32
                                            Data:2's complement, little endian
                                            Version:1 (current)
                                            Machine:<unknown>
                                            Version Number:0x1
                                            Type:EXEC (Executable file)
                                            OS/ABI:UNIX - System V
                                            ABI Version:0
                                            Entry Point Address:0x10664
                                            Flags:0x403
                                            ELF Header Size:52
                                            Program Header Offset:52
                                            Program Header Size:32
                                            Number of Program Headers:5
                                            Section Header Offset:107240
                                            Section Header Size:40
                                            Number of Section Headers:14
                                            Header String Table Index:13
                                            NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
                                            NULL0x00x00x00x00x0000
                                            .initPROGBITS0x101140x1140x220x00x6AX001
                                            .textPROGBITS0x101380x1380x105ac0x00x6AX004
                                            .finiPROGBITS0x206e40x106e40x160x00x6AX001
                                            .rodataPROGBITS0x206fc0x106fc0x87380x00x2A004
                                            .tbssNOBITS0x2bfe00x19fe00x80x00x403WAT004
                                            .fini_arrayFINI_ARRAY0x2bfe00x19fe00x40x40x3WA004
                                            .ctorsPROGBITS0x2bfe40x19fe40x80x00x3WA004
                                            .dtorsPROGBITS0x2bfec0x19fec0x80x00x3WA004
                                            .gotPROGBITS0x2bff40x19ff40x80x00x3WA004
                                            .dataPROGBITS0x2c0080x1a0080x2480x00x3WA004
                                            .bssNOBITS0x2c2500x1a2500x3c240x00x3WA004
                                            .ARC.attributes<unknown>0x00x1a2500x320x00x0001
                                            .shstrtabSTRTAB0x00x1a2820x650x00x0001
                                            TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
                                            LOAD0x00x100000x100000x18e340x18e346.59210x5R E0x2000.init .text .fini .rodata
                                            LOAD0x19fe00x2bfe00x2bfe00x2700x3e943.77590x6RW 0x2000.tbss .fini_array .ctors .dtors .got .data .bss
                                            NOTE0x00x00x00x00x00.00000x4R 0x4
                                            TLS0x19fe00x2bfe00x2bfe00x00x80.00000x4R 0x4.tbss
                                            GNU_STACK0x00x00x00x00x00.00000x6RW 0x4

                                            Download Network PCAP: filteredfull

                                            • Total Packets: 6
                                            • 443 (HTTPS)
                                            • 80 (HTTP)
                                            TimestampSource PortDest PortSource IPDest IP
                                            Mar 18, 2025 03:24:41.753396988 CET43928443192.168.2.2391.189.91.42
                                            Mar 18, 2025 03:24:47.384669065 CET42836443192.168.2.2391.189.91.43
                                            Mar 18, 2025 03:25:03.510426998 CET4251680192.168.2.23109.202.202.202
                                            Mar 18, 2025 03:25:03.510433912 CET43928443192.168.2.2391.189.91.42
                                            Mar 18, 2025 03:25:13.749026060 CET42836443192.168.2.2391.189.91.43
                                            Mar 18, 2025 03:25:44.464704990 CET43928443192.168.2.2391.189.91.42

                                            System Behavior