Joe Sandbox Cloud Basic Analysis Report

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Linux Analysis Report
arc.elf

Overview

General Information

Sample name:arc.elf
Analysis ID:1586636
MD5:b00d1adf1347139583c76f5df80dbe76
SHA1:7b5b1b243cd5740fe04903c312cd45789626a39d
SHA256:f0c5e09caedea9ee5cebf2366a680ad0590cb2024e7afc062d6cdf955eec8105
Tags:elfuser-abuse_ch
Infos:
Errors
  • No process behavior to analyse as no analysis process or sample was found

Detection

Score:56
Range:0 - 100
Whitelisted:false

Signatures

Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sample has stripped symbol table

Classification

General Information

Joe Sandbox version:41.0.0 Charoite
Analysis ID:1586636
Start date and time:2025-01-09 12:47:13 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 10m 16s
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:arc.elf
Detection:MAL
Classification:mal56.linELF@0/0@2/0
Cookbook Comments:
  • Analysis time extended to 480s due to sleep detection in submitted sample

Errors

  • No process behavior to analyse as no analysis process or sample was found

Runtime Messages

Command:/tmp/arc.elf
PID:5530
Exit Code:255
Exit Code Info:
Killed:False
Standard Output:

Standard Error:

Yara Signatures

⊘No yara matches

Suricata Signatures

⊘No Suricata rule has matched

Joe Sandbox Signatures

Click to jump to signature section

Show All Signature Results

AV Detection

barindex
Antivirus / Scanner detection for submitted sample
Source: arc.elfAvira: detected
Multi AV Scanner detection for submitted file
Source: arc.elfVirustotal: Detection: 36%Perma Link
Source: arc.elfReversingLabs: Detection: 47%
Source: global trafficDNS traffic detected: DNS query: daisy.ubuntu.com
Source: ELF static info symbol of initial sample.symtab present: no
Source: classification engineClassification label: mal56.linELF@0/0@2/0

Mitre Att&ck Matrix

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
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

Malware Configuration

⊘No configs have been found

Behavior Graph

Hide Legend

Legend:

  • Process
  • Signature
  • Created File
  • DNS/IP Info
  • Is Dropped
  • Number of created Files
  • Is malicious
  • Internet

Screenshots

Thumbnails

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


windows-stand

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

SourceDetectionScannerLabelLink
arc.elf37%VirustotalBrowse
arc.elf47%ReversingLabsLinux.Trojan.Mirai
arc.elf100%AviraEXP/ELF.Mirai.H

Dropped Files

⊘No Antivirus matches

Domains

⊘No Antivirus matches

URLs

⊘No Antivirus matches

Domains and IPs

Contacted Domains

NameIPActiveMaliciousAntivirus DetectionReputation
daisy.ubuntu.com
162.213.35.24
truefalse
    		high

    World Map of Contacted IPs

    ⊘No contacted IP infos

    Joe Sandbox View / Context

    IPs

    ⊘No context

    Domains

    MatchAssociated Sample Name / URLSHA 256DetectionThreat NameLinkContext
    daisy.ubuntu.comssi.elfGet hashmaliciousGafgytBrowse
    • 162.213.35.24
    sse.elfGet hashmaliciousGafgytBrowse
    • 162.213.35.24
    ss.elfGet hashmaliciousMirai, GafgytBrowse
    • 162.213.35.25
    ssi.elfGet hashmaliciousMirai, GafgytBrowse
    • 162.213.35.24
    sss.elfGet hashmaliciousGafgytBrowse
    • 162.213.35.25
    ssb.elfGet hashmaliciousGafgytBrowse
    • 162.213.35.24
    ssg.elfGet hashmaliciousMirai, GafgytBrowse
    • 162.213.35.24
    ssp.elfGet hashmaliciousGafgytBrowse
    • 162.213.35.25
    ssc.elfGet hashmaliciousGafgytBrowse
    • 162.213.35.24
    ssy.elfGet hashmaliciousGafgytBrowse
    • 162.213.35.25

    ASNs

    ⊘No context

    JA3 Fingerprints

    ⊘No context

    Dropped Files

    ⊘No context

    Created / dropped Files

    ⊘No created / dropped files found

    Static File Info

    General

    File type:ELF 32-bit LSB executable, Synopsys ARCompact ARC700 cores, version 1 (SYSV), dynamically linked, interpreter /lib/ld-uClibc.so.0, for GNU/Linux 4.8.0, stripped
    Entropy (8bit):5.927731973218081
    TrID:
    • ELF Executable and Linkable format (generic) (4004/1) 100.00%
    File name:arc.elf
    File size:42'328 bytes
    MD5:b00d1adf1347139583c76f5df80dbe76
    SHA1:7b5b1b243cd5740fe04903c312cd45789626a39d
    SHA256:f0c5e09caedea9ee5cebf2366a680ad0590cb2024e7afc062d6cdf955eec8105
    SHA512:e0bc36a529737ca0a0fff0abc495b359046997aedd363a4920cb8871b1681b83db0dc5948175e18bb41cd72fd43253d881c99ac4d6298194e94a5adaaef38c0e
    SSDEEP:768:LzU+c++Q5TjfjW3MGsjcFbJBZU/ogjlJHsBF:Hpd+0T3W88FbJBZUXQB
    TLSH:091308662D45B2BCDDF60078B45320A154A3453C3B8CE6F37187A87AEF75F097698E18
    File Content Preview:.ELF..............].....\...4...........4. ...(.........4...4...4.......................4...4...4...................................4...4........ ......D...D...D................ ......T...T...T.......................H...H...H... ... ...........Q.td.......

    Static ELF Info

    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:0x10b5c
    Flags:0x403
    ELF Header Size:52
    Program Header Offset:52
    Program Header Size:32
    Number of Program Headers:8
    Section Header Offset:41448
    Section Header Size:40
    Number of Section Headers:22
    Header String Table Index:21

    Sections

    NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
    NULL0x00x00x00x00x0000
    .interpPROGBITS0x101340x1340x140x00x2A001
    .note.ABI-tagNOTE0x101480x1480x200x00x2A004
    .hashHASH0x101680x1680x1580x40x2A404
    .dynsymDYNSYM0x102c00x2c00x2f00x100x2A514
    .dynstrSTRTAB0x105b00x5b00x1650x00x2A001
    .rela.pltRELA0x107180x7180x2040xc0x42AI4164
    .initPROGBITS0x1091c0x91c0x220x00x6AX001
    .pltPROGBITS0x109400x9400x21c0x00x6AX004
    .textPROGBITS0x10b5c0xb5c0x7c240x00x6AX004
    .finiPROGBITS0x187800x87800x160x00x6AX001
    .rodataPROGBITS0x187980x87980x5980x00x2A004
    .eh_framePROGBITS0x18d300x8d300x40x00x2A004
    .ctorsPROGBITS0x1bf440x9f440x80x00x3WA004
    .dtorsPROGBITS0x1bf4c0x9f4c0x80x00x3WA004
    .dynamicDYNAMIC0x1bf540x9f540xa80x80x3WA504
    .got.pltPROGBITS0x1bffc0x9ffc0xb80x00x3WA004
    .dataPROGBITS0x1c0b40xa0b40x180x00x3WA004
    .bssNOBITS0x1c0cc0xa0cc0x3080x00x3WA004
    .commentPROGBITS0x00xa0cc0x430x10x30MS001
    .ARC.attributes<unknown>0x00xa10f0x300x00x0001
    .shstrtabSTRTAB0x00xa13f0xa90x00x0001

    Program Segments

    TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
    PHDR0x340x100340x100340x1000x1002.39870x5R E0x4
    INTERP0x1340x101340x101340x140x143.68420x4R 0x1/lib/ld-uClibc.so.0.interp
    LOAD0x00x100000x100000x8d340x8d346.40960x5R E0x2000.interp .note.ABI-tag .hash .dynsym .dynstr .rela.plt .init .plt .text .fini .rodata .eh_frame
    LOAD0x9f440x1bf440x1bf440x1880x4902.63980x6RW 0x2000.ctors .dtors .dynamic .got.plt .data .bss
    DYNAMIC0x9f540x1bf540x1bf540xa80xa82.07030x6RW 0x4.dynamic
    NOTE0x1480x101480x101480x200x201.49880x4R 0x4.note.ABI-tag
    GNU_STACK0x00x00x00x00x00.00000x6RW 0x10
    GNU_RELRO0x9f440x1bf440x1bf440xbc0xbc2.24180x4R 0x1.ctors .dtors .dynamic

    Dynamic Tags

    TypeMetaValueTag
    DT_NEEDEDsharedliblibc.so.00x1
    DT_INITvalue0x109200xc
    DT_FINIvalue0x187840xd
    DT_HASHvalue0x101680x4
    DT_STRTABvalue0x105b00x5
    DT_SYMTABvalue0x102c00x6
    DT_STRSZbytes3570xa
    DT_SYMENTbytes160xb
    DT_INITvalue0x109200xc
    DT_FINIvalue0x187840xd
    DT_DEBUGvalue0x00x15
    DT_PLTGOTvalue0x109400x3
    DT_PLTRELSZbytes5160x2
    DT_PLTRELpltrelDT_RELA0x14
    DT_JMPRELvalue0x107180x17
    DT_NULLvalue0x00x0

    Symbols

    NameVersion Info NameVersion Info File NameSection NameValueSizeSymbol TypeSymbol BindSymbol VisibilityNdx
    .dynsym0x00NOTYPE<unknown>DEFAULTSHN_UNDEF
    __bss_start.dynsym0x1c0cc0NOTYPE<unknown>DEFAULT18
    __errno_location.dynsym0x10ae40FUNC<unknown>DEFAULTSHN_UNDEF
    __uClibc_main.dynsym0x10a900FUNC<unknown>DEFAULTSHN_UNDEF
    _edata.dynsym0x1c0cc0NOTYPE<unknown>DEFAULT17
    _end.dynsym0x1c3d40NOTYPE<unknown>DEFAULT18
    bind.dynsym0x10a0c0FUNC<unknown>DEFAULTSHN_UNDEF
    calloc.dynsym0x109f40FUNC<unknown>DEFAULTSHN_UNDEF
    clock.dynsym0x10b080FUNC<unknown>DEFAULTSHN_UNDEF
    close.dynsym0x10b2c0FUNC<unknown>DEFAULTSHN_UNDEF
    connect.dynsym0x109700FUNC<unknown>DEFAULTSHN_UNDEF
    exit.dynsym0x10af00FUNC<unknown>DEFAULTSHN_UNDEF
    fcntl.dynsym0x10b200FUNC<unknown>DEFAULTSHN_UNDEF
    fork.dynsym0x10a840FUNC<unknown>DEFAULTSHN_UNDEF
    free.dynsym0x10b380FUNC<unknown>DEFAULTSHN_UNDEF
    getpid.dynsym0x109940FUNC<unknown>DEFAULTSHN_UNDEF
    getppid.dynsym0x10ab40FUNC<unknown>DEFAULTSHN_UNDEF
    getsockname.dynsym0x10b500FUNC<unknown>DEFAULTSHN_UNDEF
    getsockopt.dynsym0x10acc0FUNC<unknown>DEFAULTSHN_UNDEF
    htonl.dynsym0x10a540FUNC<unknown>DEFAULTSHN_UNDEF
    htons.dynsym0x10ad80FUNC<unknown>DEFAULTSHN_UNDEF
    inet_addr.dynsym0x10a180FUNC<unknown>DEFAULTSHN_UNDEF
    kill.dynsym0x10a000FUNC<unknown>DEFAULTSHN_UNDEF
    listen.dynsym0x10a780FUNC<unknown>DEFAULTSHN_UNDEF
    malloc.dynsym0x109ac0FUNC<unknown>DEFAULTSHN_UNDEF
    memmove.dynsym0x109880FUNC<unknown>DEFAULTSHN_UNDEF
    memset.dynsym0x10a9c0FUNC<unknown>DEFAULTSHN_UNDEF
    ntohl.dynsym0x10a240FUNC<unknown>DEFAULTSHN_UNDEF
    ntohs.dynsym0x10aa80FUNC<unknown>DEFAULTSHN_UNDEF
    open.dynsym0x10afc0FUNC<unknown>DEFAULTSHN_UNDEF
    prctl.dynsym0x109a00FUNC<unknown>DEFAULTSHN_UNDEF
    printf.dynsym0x109580FUNC<unknown>DEFAULTSHN_UNDEF
    read.dynsym0x10a480FUNC<unknown>DEFAULTSHN_UNDEF
    realloc.dynsym0x10a6c0FUNC<unknown>DEFAULTSHN_UNDEF
    recv.dynsym0x109640FUNC<unknown>DEFAULTSHN_UNDEF
    select.dynsym0x109d00FUNC<unknown>DEFAULTSHN_UNDEF
    send.dynsym0x109e80FUNC<unknown>DEFAULTSHN_UNDEF
    sendto.dynsym0x10a600FUNC<unknown>DEFAULTSHN_UNDEF
    setsid.dynsym0x10b140FUNC<unknown>DEFAULTSHN_UNDEF
    setsockopt.dynsym0x10a300FUNC<unknown>DEFAULTSHN_UNDEF
    sigaddset.dynsym0x109dc0FUNC<unknown>DEFAULTSHN_UNDEF
    sigemptyset.dynsym0x1097c0FUNC<unknown>DEFAULTSHN_UNDEF
    signal.dynsym0x10a3c0FUNC<unknown>DEFAULTSHN_UNDEF
    sigprocmask.dynsym0x10b440FUNC<unknown>DEFAULTSHN_UNDEF
    sleep.dynsym0x109b80FUNC<unknown>DEFAULTSHN_UNDEF
    socket.dynsym0x109c40FUNC<unknown>DEFAULTSHN_UNDEF
    time.dynsym0x10ac00FUNC<unknown>DEFAULTSHN_UNDEF

    Network Behavior

    Network Port Distribution

    UDP Packets

    TimestampSource PortDest PortSource IPDest IP
    Jan 9, 2025 12:50:45.940762997 CET4562453192.168.2.158.8.8.8
    Jan 9, 2025 12:50:45.940843105 CET5777353192.168.2.158.8.8.8
    Jan 9, 2025 12:50:45.947073936 CET53456248.8.8.8192.168.2.15
    Jan 9, 2025 12:50:45.947123051 CET53577738.8.8.8192.168.2.15

    DNS Queries

    TimestampSource IPDest IPTrans IDOP CodeNameTypeClassDNS over HTTPS
    Jan 9, 2025 12:50:45.940762997 CET192.168.2.158.8.8.80x7754Standard query (0)daisy.ubuntu.comA (IP address)IN (0x0001)false
    Jan 9, 2025 12:50:45.940843105 CET192.168.2.158.8.8.80x11e9Standard query (0)daisy.ubuntu.com28IN (0x0001)false

    DNS Answers

    TimestampSource IPDest IPTrans IDReply CodeNameCNameAddressTypeClassDNS over HTTPS
    Jan 9, 2025 12:50:45.947073936 CET8.8.8.8192.168.2.150x7754No error (0)daisy.ubuntu.com162.213.35.24A (IP address)IN (0x0001)false
    Jan 9, 2025 12:50:45.947073936 CET8.8.8.8192.168.2.150x7754No error (0)daisy.ubuntu.com162.213.35.25A (IP address)IN (0x0001)false

    System Behavior