Joe Sandbox Cloud Basic Analysis Report

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Linux Analysis Report
res.arm7.elf

Overview

General Information

Sample name:res.arm7.elf
Analysis ID:1589469
MD5:5e923f7acf3f1506636207969b886602
SHA1:e4196254b9a474806b3da4f604201883a667d6fb
SHA256:7e880c604d3e5abc2e09db5c6b5ede560cd4a8dfb11ee71bc74b85840db84d9e
Tags:elfuser-abuse_ch
Infos:

Detection

Score:48
Range:0 - 100
Whitelisted:false

Signatures

Multi AV Scanner detection for submitted file
Sample has stripped symbol table
Uses the "uname" system call to query kernel version information (possible evasion)

Classification

General Information

Joe Sandbox version:42.0.0 Malachite
Analysis ID:1589469
Start date and time:2025-01-12 15:57:45 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 10m 41s
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:res.arm7.elf
Detection:MAL
Classification:mal48.linELF@0/0@2/0
Cookbook Comments:
  • Analysis time extended to 480s due to sleep detection in submitted sample

Warnings

  • Max analysis timeout: 600s exceeded, the analysis took too long

Runtime Messages

Command:/tmp/res.arm7.elf
PID:5517
Exit Code:255
Exit Code Info:
Killed:False
Standard Output:

Standard Error:/lib/ld-uClibc.so.0: No such file or directory

Process Tree

  • system is lnxubuntu20
  • res.arm7.elf (PID: 5517, Parent: 5435, MD5: 5ebfcae4fe2471fcc5695c2394773ff1) Arguments: /tmp/res.arm7.elf
  • cleanup

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
Multi AV Scanner detection for submitted file
Source: res.arm7.elfReversingLabs: Detection: 60%
Source: res.arm7.elfVirustotal: Detection: 53%Perma Link
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: mal48.linELF@0/0@2/0
Source: /tmp/res.arm7.elf (PID: 5517)Queries kernel information via 'uname': Jump to behavior
Source: res.arm7.elf, 5517.1.00007ffde90ad000.00007ffde90ce000.rw-.sdmpBinary or memory string: qemu: %s: %s
Source: res.arm7.elf, 5517.1.00007ffde90ad000.00007ffde90ce000.rw-.sdmpBinary or memory string: leqemu: %s: %s
Source: res.arm7.elf, 5517.1.00007ffde90ad000.00007ffde90ce000.rw-.sdmpBinary or memory string: x86_64/usr/bin/qemu-arm/tmp/res.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/res.arm7.elf
Source: res.arm7.elf, 5517.1.000056491a88d000.000056491a9bb000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/arm
Source: res.arm7.elf, 5517.1.000056491a88d000.000056491a9bb000.rw-.sdmpBinary or memory string: IV!/etc/qemu-binfmt/arm
Source: res.arm7.elf, 5517.1.00007ffde90ad000.00007ffde90ce000.rw-.sdmpBinary or memory string: /usr/bin/qemu-arm
Source: res.arm7.elf, 5517.1.000056491a88d000.000056491a9bb000.rw-.sdmpBinary or memory string: rg.qemu.gdb.arm.sys.regs">
Source: res.arm7.elf, 5517.1.000056491a88d000.000056491a9bb000.rw-.sdmpBinary or memory string: IVrg.qemu.gdb.arm.sys.regs">

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 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

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

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

SourceDetectionScannerLabelLink
res.arm7.elf61%ReversingLabsLinux.Trojan.Mirai
res.arm7.elf54%VirustotalBrowse

Dropped Files

⊘No Antivirus matches

Domains

⊘No Antivirus matches

URLs

⊘No Antivirus matches

Domains and IPs

Contacted Domains

NameIPActiveMaliciousAntivirus DetectionReputation
daisy.ubuntu.com
162.213.35.25
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.comboatnet.i686.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.25
    boatnet.m68k.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.24
    boatnet.sh4.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.24
    boatnet.arm6.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.24
    boatnet.spc.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.24
    boatnet.mpsl.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.24
    boatnet.x86_64.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.25
    2.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    boatnet.arm7.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.25
    boatnet.x86.elfGet hashmaliciousMiraiBrowse
    • 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, ARM, EABI4 version 1 (SYSV), dynamically linked, interpreter /lib/ld-uClibc.so.0, stripped
    Entropy (8bit):5.611271088040208
    TrID:
    • ELF Executable and Linkable format (generic) (4004/1) 100.00%
    File name:res.arm7.elf
    File size:38'755 bytes
    MD5:5e923f7acf3f1506636207969b886602
    SHA1:e4196254b9a474806b3da4f604201883a667d6fb
    SHA256:7e880c604d3e5abc2e09db5c6b5ede560cd4a8dfb11ee71bc74b85840db84d9e
    SHA512:cf4f52bc666b5139f4fce5bfee1f06ad185e650ec80ed160529e36b815630565c5963f5ca6f04cc2d8fc033d0e2d0c5700533620570d8a0e29d5fc37d8a71522
    SSDEEP:768:a33xPjD+bJiEapJ4hDXEWImxFfcYcj7k6AfaqHemFSG6HNh3PQxBN2boD6uf2L:apjyVinDA7Wj97mFdqYjNme2L
    TLSH:CC034E8CED6AA77EC7F173FFE79912CE623A0788B7973225CA35461537C8358A425120
    File Content Preview:.ELF..............(.........4...........4. ...(.........4...4...4.......................................................................................................P...........................................Q.td............................/lib/ld-uCl

    Static ELF Info

    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 - System V
    ABI Version:0
    Entry Point Address:0x8db4
    Flags:0x4000002
    ELF Header Size:52
    Program Header Offset:52
    Program Header Size:32
    Number of Program Headers:6
    Section Header Offset:37820
    Section Header Size:40
    Number of Section Headers:22
    Header String Table Index:21

    Sections

    NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
    NULL0x00x00x00x00x0000
    .interpPROGBITS0x80f40xf40x140x00x2A001
    .hashHASH0x81080x1080x1a40x40x2A304
    .dynsymDYNSYM0x82ac0x2ac0x4200x100x2A414
    .dynstrSTRTAB0x86cc0x6cc0x1f70x00x2A001
    .rel.pltREL0x88c40x8c40x1b00x80x2A374
    .initPROGBITS0x8a740xa740x100x00x6AX004
    .pltPROGBITS0x8a840xa840x29c0x40x6AX004
    .textPROGBITS0x8d200xd200x7e140x00x6AX004
    .finiPROGBITS0x10b340x8b340x100x00x6AX004
    .rodataPROGBITS0x10b440x8b440x2580x00x2A004
    .eh_framePROGBITS0x190000x90000x40x00x3WA004
    .init_arrayINIT_ARRAY0x190040x90040x40x00x3WA004
    .fini_arrayFINI_ARRAY0x190080x90080x40x00x3WA004
    .jcrPROGBITS0x1900c0x900c0x40x00x3WA004
    .dynamicDYNAMIC0x190100x90100xb80x80x3WA404
    .gotPROGBITS0x190c80x90c80xe40x40x3WA004
    .dataPROGBITS0x191ac0x91ac0x1c0x00x3WA004
    .bssNOBITS0x191c80x91c80x1880x00x3WA004
    .commentPROGBITS0x00x91c80x1360x00x0001
    .ARM.attributesARM_ATTRIBUTES0x00x92fe0x160x00x0001
    .shstrtabSTRTAB0x00x93140xa50x00x0001

    Program Segments

    TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
    PHDR0x340x80340x80340xc00xc02.19750x5R E0x4
    INTERP0xf40x80f40x80f40x140x143.68420x4R 0x1/lib/ld-uClibc.so.0.interp
    LOAD0x00x80000x80000x8d9c0x8d9c5.67090x5R E0x8000.interp .hash .dynsym .dynstr .rel.plt .init .plt .text .fini .rodata
    LOAD0x90000x190000x190000x1c80x3502.33850x6RW 0x8000.eh_frame .init_array .fini_array .jcr .dynamic .got .data .bss
    DYNAMIC0x90100x190100x190100xb80xb82.07630x6RW 0x4.dynamic
    GNU_STACK0x00x00x00x00x00.00000x7RWE0x4

    Dynamic Tags

    TypeMetaValueTag
    DT_NEEDEDsharedliblibc.so.00x1
    DT_INITvalue0x8a740xc
    DT_FINIvalue0x10b340xd
    DT_INIT_ARRAYvalue0x190040x19
    DT_INIT_ARRAYSZbytes40x1b
    DT_FINI_ARRAYvalue0x190080x1a
    DT_FINI_ARRAYSZbytes40x1c
    DT_HASHvalue0x81080x4
    DT_STRTABvalue0x86cc0x5
    DT_SYMTABvalue0x82ac0x6
    DT_STRSZbytes5030xa
    DT_SYMENTbytes160xb
    DT_DEBUGvalue0x00x15
    DT_PLTGOTvalue0x190c80x3
    DT_PLTRELSZbytes4320x2
    DT_PLTRELpltrelDT_REL0x14
    DT_JMPRELvalue0x88c40x17
    DT_NULLvalue0x00x0

    Symbols

    NameVersion Info NameVersion Info File NameSection NameValueSizeSymbol TypeSymbol BindSymbol VisibilityNdx
    .dynsym0x00NOTYPE<unknown>DEFAULTSHN_UNDEF
    __bss_end__.dynsym0x193500NOTYPE<unknown>DEFAULTSHN_ABS
    __bss_start.dynsym0x191c80NOTYPE<unknown>DEFAULTSHN_ABS
    __bss_start__.dynsym0x191c80NOTYPE<unknown>DEFAULTSHN_ABS
    __data_start.dynsym0x191ac0NOTYPE<unknown>DEFAULT17
    __end__.dynsym0x193500NOTYPE<unknown>DEFAULTSHN_ABS
    __errno_location.dynsym0x8c8432FUNC<unknown>DEFAULTSHN_UNDEF
    __exidx_end.dynsym0x10d9c0NOTYPE<unknown>DEFAULTSHN_ABS
    __exidx_start.dynsym0x10d9c0NOTYPE<unknown>DEFAULTSHN_ABS
    __uClibc_main.dynsym0x8c24848FUNC<unknown>DEFAULTSHN_UNDEF
    _bss_end__.dynsym0x193500NOTYPE<unknown>DEFAULTSHN_ABS
    _edata.dynsym0x191c80NOTYPE<unknown>DEFAULTSHN_ABS
    _end.dynsym0x193500NOTYPE<unknown>DEFAULTSHN_ABS
    _start.dynsym0x8db480FUNC<unknown>DEFAULT8
    abort.dynsym0x8b64296FUNC<unknown>DEFAULTSHN_UNDEF
    accept.dynsym0x8b70116FUNC<unknown>DEFAULTSHN_UNDEF
    atoi.dynsym0x8c9c32FUNC<unknown>DEFAULTSHN_UNDEF
    bind.dynsym0x8ba068FUNC<unknown>DEFAULTSHN_UNDEF
    calloc.dynsym0x8b7c320FUNC<unknown>DEFAULTSHN_UNDEF
    clock.dynsym0x8cb452FUNC<unknown>DEFAULTSHN_UNDEF
    close.dynsym0x8ce4100FUNC<unknown>DEFAULTSHN_UNDEF
    closedir.dynsym0x8ccc272FUNC<unknown>DEFAULTSHN_UNDEF
    connect.dynsym0x8abc116FUNC<unknown>DEFAULTSHN_UNDEF
    exit.dynsym0x8c90196FUNC<unknown>DEFAULTSHN_UNDEF
    fcntl.dynsym0x8cd8244FUNC<unknown>DEFAULTSHN_UNDEF
    fork.dynsym0x8c18972FUNC<unknown>DEFAULTSHN_UNDEF
    free.dynsym0x8cfc572FUNC<unknown>DEFAULTSHN_UNDEF
    getpid.dynsym0x8ad472FUNC<unknown>DEFAULTSHN_UNDEF
    getppid.dynsym0x8c4820FUNC<unknown>DEFAULTSHN_UNDEF
    getsockname.dynsym0x8d1468FUNC<unknown>DEFAULTSHN_UNDEF
    getsockopt.dynsym0x8c6c72FUNC<unknown>DEFAULTSHN_UNDEF
    htonl.dynsym0x8be832FUNC<unknown>DEFAULTSHN_UNDEF
    htons.dynsym0x8c7816FUNC<unknown>DEFAULTSHN_UNDEF
    inet_addr.dynsym0x8bac40FUNC<unknown>DEFAULTSHN_UNDEF
    ioctl.dynsym0x8aa4224FUNC<unknown>DEFAULTSHN_UNDEF
    kill.dynsym0x8b9456FUNC<unknown>DEFAULTSHN_UNDEF
    listen.dynsym0x8c0c64FUNC<unknown>DEFAULTSHN_UNDEF
    malloc.dynsym0x8b042360FUNC<unknown>DEFAULTSHN_UNDEF
    memset.dynsym0x8c30156FUNC<unknown>DEFAULTSHN_UNDEF
    ntohl.dynsym0x8bb832FUNC<unknown>DEFAULTSHN_UNDEF
    ntohs.dynsym0x8c3c16FUNC<unknown>DEFAULTSHN_UNDEF
    open.dynsym0x8ca8100FUNC<unknown>DEFAULTSHN_UNDEF
    opendir.dynsym0x8c60196FUNC<unknown>DEFAULTSHN_UNDEF
    prctl.dynsym0x8ae068FUNC<unknown>DEFAULTSHN_UNDEF
    raise.dynsym0x8cf0240FUNC<unknown>DEFAULTSHN_UNDEF
    read.dynsym0x8bdc100FUNC<unknown>DEFAULTSHN_UNDEF
    readdir.dynsym0x8b40232FUNC<unknown>DEFAULTSHN_UNDEF
    readlink.dynsym0x8aec64FUNC<unknown>DEFAULTSHN_UNDEF
    realloc.dynsym0x8c00960FUNC<unknown>DEFAULTSHN_UNDEF
    recv.dynsym0x8ab0112FUNC<unknown>DEFAULTSHN_UNDEF
    recvfrom.dynsym0x8b1c136FUNC<unknown>DEFAULTSHN_UNDEF
    select.dynsym0x8b34132FUNC<unknown>DEFAULTSHN_UNDEF
    send.dynsym0x8b58112FUNC<unknown>DEFAULTSHN_UNDEF
    sendto.dynsym0x8bf4136FUNC<unknown>DEFAULTSHN_UNDEF
    setsid.dynsym0x8cc064FUNC<unknown>DEFAULTSHN_UNDEF
    setsockopt.dynsym0x8bc472FUNC<unknown>DEFAULTSHN_UNDEF
    sigaddset.dynsym0x8b4c80FUNC<unknown>DEFAULTSHN_UNDEF
    sigemptyset.dynsym0x8ac820FUNC<unknown>DEFAULTSHN_UNDEF
    signal.dynsym0x8bd0196FUNC<unknown>DEFAULTSHN_UNDEF
    sigprocmask.dynsym0x8d08140FUNC<unknown>DEFAULTSHN_UNDEF
    sleep.dynsym0x8b10272FUNC<unknown>DEFAULTSHN_UNDEF
    socket.dynsym0x8b2868FUNC<unknown>DEFAULTSHN_UNDEF
    strcpy.dynsym0x8a9836FUNC<unknown>DEFAULTSHN_UNDEF
    system.dynsym0x8af8132FUNC<unknown>DEFAULTSHN_UNDEF
    time.dynsym0x8c5448FUNC<unknown>DEFAULTSHN_UNDEF
    write.dynsym0x8b88100FUNC<unknown>DEFAULTSHN_UNDEF

    Network Behavior

    Network Port Distribution

    UDP Packets

    TimestampSource PortDest PortSource IPDest IP
    Jan 12, 2025 16:01:29.383544922 CET3547453192.168.2.148.8.8.8
    Jan 12, 2025 16:01:29.383544922 CET4905753192.168.2.148.8.8.8
    Jan 12, 2025 16:01:29.389882088 CET53354748.8.8.8192.168.2.14
    Jan 12, 2025 16:01:29.390150070 CET53490578.8.8.8192.168.2.14

    DNS Queries

    TimestampSource IPDest IPTrans IDOP CodeNameTypeClassDNS over HTTPS
    Jan 12, 2025 16:01:29.383544922 CET192.168.2.148.8.8.80x47c0Standard query (0)daisy.ubuntu.comA (IP address)IN (0x0001)false
    Jan 12, 2025 16:01:29.383544922 CET192.168.2.148.8.8.80x66e8Standard query (0)daisy.ubuntu.com28IN (0x0001)false

    DNS Answers

    TimestampSource IPDest IPTrans IDReply CodeNameCNameAddressTypeClassDNS over HTTPS
    Jan 12, 2025 16:01:29.389882088 CET8.8.8.8192.168.2.140x47c0No error (0)daisy.ubuntu.com162.213.35.25A (IP address)IN (0x0001)false
    Jan 12, 2025 16:01:29.389882088 CET8.8.8.8192.168.2.140x47c0No error (0)daisy.ubuntu.com162.213.35.24A (IP address)IN (0x0001)false

    System Behavior

    General

    Start time (UTC):14:58:44
    Start date (UTC):12/01/2025
    Path:/tmp/res.arm7.elf
    Arguments:/tmp/res.arm7.elf
    File size:4956856 bytes
    MD5 hash:5ebfcae4fe2471fcc5695c2394773ff1

    Chronological Activities