Joe Sandbox Cloud Basic Analysis Report
Edit tour

Linux Analysis Report
demon.arm7.elf

Overview

General Information

Sample name:demon.arm7.elf
Analysis ID:1635826
MD5:7e7bee0b2ba362287337bc31b02dc7a0
SHA1:2ed9d7a087b8f0437b8a29bc6badf965947aa406
SHA256:4c00cbc8a03e7571476f6b1f4b825c44cfbb508afdf2dc90571cabd15be2ceb2
Tags:elfuser-abuse_ch
Infos:

Detection

Score:48
Range:0 - 100

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

RansomwareSpreadingPhishingBankerTrojan / BotAdwareSpywareExploiterEvaderMinercleansuspiciousmalicious

General Information

Joe Sandbox version:42.0.0 Malachite
Analysis ID:1635826
Start date and time:2025-03-12 02:27:24 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 10m 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:demon.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

Runtime Messages

Command:/tmp/demon.arm7.elf
PID:5490
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
  • demon.arm7.elf (PID: 5490, Parent: 5415, MD5: 5ebfcae4fe2471fcc5695c2394773ff1) Arguments: /tmp/demon.arm7.elf
  • cleanup

Yara Signatures

⊘No yara matches

Suricata Signatures

⊘No Suricata rule has matched

Joe Sandbox Signatures

  • • AV Detection
  • • Networking
  • • System Summary
  • • Malware Analysis System Evasion

Click to jump to signature section

Show All Signature Results

AV Detection

barindex
Source: demon.arm7.elfVirustotal: Detection: 46%Perma Link
Source: demon.arm7.elfReversingLabs: Detection: 55%
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/demon.arm7.elf (PID: 5490)Queries kernel information via 'uname': Jump to behavior
Source: demon.arm7.elf, 5490.1.00007ffc62112000.00007ffc62133000.rw-.sdmpBinary or memory string: qemu: %s: %s
Source: demon.arm7.elf, 5490.1.00007ffc62112000.00007ffc62133000.rw-.sdmpBinary or memory string: leqemu: %s: %s
Source: demon.arm7.elf, 5490.1.0000563602bf8000.0000563602d26000.rw-.sdmpBinary or memory string: 6Vrg.qemu.gdb.arm.sys.regs">
Source: demon.arm7.elf, 5490.1.0000563602bf8000.0000563602d26000.rw-.sdmpBinary or memory string: 6V!/etc/qemu-binfmt/arm
Source: demon.arm7.elf, 5490.1.0000563602bf8000.0000563602d26000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/arm
Source: demon.arm7.elf, 5490.1.00007ffc62112000.00007ffc62133000.rw-.sdmpBinary or memory string: /usr/bin/qemu-arm
Source: demon.arm7.elf, 5490.1.00007ffc62112000.00007ffc62133000.rw-.sdmpBinary or memory string: x86_64/usr/bin/qemu-arm/tmp/demon.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/demon.arm7.elf
Source: demon.arm7.elf, 5490.1.0000563602bf8000.0000563602d26000.rw-.sdmpBinary or memory string: rg.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
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1635826 Sample: demon.arm7.elf Startdate: 12/03/2025 Architecture: LINUX Score: 48 8 daisy.ubuntu.com 2->8 10 Multi AV Scanner detection for submitted file 2->10 6 demon.arm7.elf 2->6         started        signatures3 process4

Screenshots

Download Video

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
demon.arm7.elf46%VirustotalBrowse
demon.arm7.elf55%ReversingLabsLinux.Backdoor.Mirai

Dropped Files

⊘No Antivirus matches

Domains

⊘No Antivirus matches

URLs

⊘No Antivirus matches

Domains and IPs

Download Network PCAP: filtered – full

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.comdemon.mpsl.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.25
    demon.arm6.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    demon.arm.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    demon.mpsl.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.25
    morte.arm6.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    arm6.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    arm5-20250311-2220.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.25
    mpsl.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.25
    arm7.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.25
    sh4.elfGet hashmaliciousUnknownBrowse
    • 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):5.700038561712168
    TrID:
    • ELF Executable and Linkable format (generic) (4004/1) 100.00%
    File name:demon.arm7.elf
    File size:18'455 bytes
    MD5:7e7bee0b2ba362287337bc31b02dc7a0
    SHA1:2ed9d7a087b8f0437b8a29bc6badf965947aa406
    SHA256:4c00cbc8a03e7571476f6b1f4b825c44cfbb508afdf2dc90571cabd15be2ceb2
    SHA512:1f8d5f2583bf70c090604d43d15afd6d5b3e3134a3a09d3af758e8470c9128c74e353662186b7e650dc94e86467655f6d229d39dca358adb80a9ec00833a88b3
    SSDEEP:384:hiIwtnyBfmOmxnnnnn6guQWhnnnnnnnnnnny+5KpWG9RgYrbIY75:LqyBu+gQG9NrbIY75
    TLSH:53829648EE2A237FC3D1B7FFDB8556CD33765789A74E2626D238875123C87586914230
    File Content Preview:.ELF..............(.........4...pD......4. ...(.........4...4...4...................................................................|@..|@..............|@..|@..|@..8...d................@...@...@..................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:0x8cf0
    Flags:0x4000002
    ELF Header Size:52
    Program Header Offset:52
    Program Header Size:32
    Number of Program Headers:6
    Section Header Offset:17520
    Section Header Size:40
    Number of Section Headers:22
    Header String Table Index:21

    Sections

    NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
    NULL0x00x00x00x00x0000
    .interpPROGBITS0x80f40xf40x140x00x2A001
    .hashHASH0x81080x1080x1940x40x2A304
    .dynsymDYNSYM0x829c0x29c0x3e00x100x2A414
    .dynstrSTRTAB0x867c0x67c0x1d30x00x2A001
    .rel.pltREL0x88500x8500x1900x80x2A374
    .initPROGBITS0x89e00x9e00x100x00x6AX004
    .pltPROGBITS0x89f00x9f00x26c0x40x6AX004
    .textPROGBITS0x8c5c0xc5c0x31d00x00x6AX004
    .finiPROGBITS0xbe2c0x3e2c0x100x00x6AX004
    .rodataPROGBITS0xbe3c0x3e3c0x2400x00x2A004
    .eh_framePROGBITS0x1407c0x407c0x40x00x3WA004
    .init_arrayINIT_ARRAY0x140800x40800x40x00x3WA004
    .fini_arrayFINI_ARRAY0x140840x40840x40x00x3WA004
    .jcrPROGBITS0x140880x40880x40x00x3WA004
    .dynamicDYNAMIC0x1408c0x408c0xb80x80x3WA404
    .gotPROGBITS0x141440x41440xd40x40x3WA004
    .dataPROGBITS0x142180x42180x9c0x00x3WA004
    .bssNOBITS0x142b40x42b40xd42c0x00x3WA004
    .commentPROGBITS0x00x42b40x1000x00x0001
    .ARM.attributesARM_ATTRIBUTES0x00x43b40x160x00x0001
    .shstrtabSTRTAB0x00x43ca0xa50x00x0001

    Program Segments

    TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
    PHDR0x340x80340x80340xc00xc02.25820x5R E0x4
    INTERP0xf40x80f40x80f40x140x143.68420x4R 0x1/lib/ld-uClibc.so.0.interp
    LOAD0x00x80000x80000x407c0x407c5.74340x5R E0x8000.interp .hash .dynsym .dynstr .rel.plt .init .plt .text .fini .rodata
    LOAD0x407c0x1407c0x1407c0x2380xd6644.04370x6RW 0x8000.eh_frame .init_array .fini_array .jcr .dynamic .got .data .bss
    DYNAMIC0x408c0x1408c0x1408c0xb80xb82.10670x6RW 0x4.dynamic
    GNU_STACK0x00x00x00x00x00.00000x7RWE0x4

    Dynamic Tags

    TypeMetaValueTag
    DT_NEEDEDsharedliblibc.so.00x1
    DT_INITvalue0x89e00xc
    DT_FINIvalue0xbe2c0xd
    DT_INIT_ARRAYvalue0x140800x19
    DT_INIT_ARRAYSZbytes40x1b
    DT_FINI_ARRAYvalue0x140840x1a
    DT_FINI_ARRAYSZbytes40x1c
    DT_HASHvalue0x81080x4
    DT_STRTABvalue0x867c0x5
    DT_SYMTABvalue0x829c0x6
    DT_STRSZbytes4670xa
    DT_SYMENTbytes160xb
    DT_DEBUGvalue0x00x15
    DT_PLTGOTvalue0x141440x3
    DT_PLTRELSZbytes4000x2
    DT_PLTRELpltrelDT_REL0x14
    DT_JMPRELvalue0x88500x17
    DT_NULLvalue0x00x0

    Symbols

    NameVersion Info NameVersion Info File NameSection NameValueSizeSymbol TypeSymbol BindSymbol VisibilityNdx
    .dynsym0x00NOTYPE<unknown>DEFAULTSHN_UNDEF
    __bss_end__.dynsym0x216e00NOTYPE<unknown>DEFAULTSHN_ABS
    __bss_start.dynsym0x142b40NOTYPE<unknown>DEFAULTSHN_ABS
    __bss_start__.dynsym0x142b40NOTYPE<unknown>DEFAULTSHN_ABS
    __data_start.dynsym0x142180NOTYPE<unknown>DEFAULT17
    __end__.dynsym0x216e00NOTYPE<unknown>DEFAULTSHN_ABS
    __errno_location.dynsym0x8bc032FUNC<unknown>DEFAULTSHN_UNDEF
    __exidx_end.dynsym0xc07c0NOTYPE<unknown>DEFAULTSHN_ABS
    __exidx_start.dynsym0xc07c0NOTYPE<unknown>DEFAULTSHN_ABS
    __uClibc_main.dynsym0x8b6c848FUNC<unknown>DEFAULTSHN_UNDEF
    _bss_end__.dynsym0x216e00NOTYPE<unknown>DEFAULTSHN_ABS
    _edata.dynsym0x142b40NOTYPE<unknown>DEFAULTSHN_ABS
    _end.dynsym0x216e00NOTYPE<unknown>DEFAULTSHN_ABS
    _exit.dynsym0x8be4104FUNC<unknown>DEFAULTSHN_UNDEF
    _start.dynsym0x8cf080FUNC<unknown>DEFAULT8
    abort.dynsym0x8ab8296FUNC<unknown>DEFAULTSHN_UNDEF
    atoi.dynsym0x8bd832FUNC<unknown>DEFAULTSHN_UNDEF
    bind.dynsym0x8ae868FUNC<unknown>DEFAULTSHN_UNDEF
    clock.dynsym0x8c0852FUNC<unknown>DEFAULTSHN_UNDEF
    close.dynsym0x8c2c100FUNC<unknown>DEFAULTSHN_UNDEF
    connect.dynsym0x8a1c116FUNC<unknown>DEFAULTSHN_UNDEF
    exit.dynsym0x8bcc196FUNC<unknown>DEFAULTSHN_UNDEF
    fcntl.dynsym0x8c20244FUNC<unknown>DEFAULTSHN_UNDEF
    fork.dynsym0x8b60972FUNC<unknown>DEFAULTSHN_UNDEF
    getpid.dynsym0x8a4072FUNC<unknown>DEFAULTSHN_UNDEF
    getppid.dynsym0x8b8420FUNC<unknown>DEFAULTSHN_UNDEF
    getsockname.dynsym0x8c5068FUNC<unknown>DEFAULTSHN_UNDEF
    getsockopt.dynsym0x8ba872FUNC<unknown>DEFAULTSHN_UNDEF
    htonl.dynsym0x8b3032FUNC<unknown>DEFAULTSHN_UNDEF
    htons.dynsym0x8bb416FUNC<unknown>DEFAULTSHN_UNDEF
    inet_addr.dynsym0x8af440FUNC<unknown>DEFAULTSHN_UNDEF
    ioctl.dynsym0x8a10224FUNC<unknown>DEFAULTSHN_UNDEF
    kill.dynsym0x8ad056FUNC<unknown>DEFAULTSHN_UNDEF
    listen.dynsym0x8b5464FUNC<unknown>DEFAULTSHN_UNDEF
    malloc.dynsym0x8a702360FUNC<unknown>DEFAULTSHN_UNDEF
    memcpy.dynsym0x8a584FUNC<unknown>DEFAULTSHN_UNDEF
    memmove.dynsym0x8a344FUNC<unknown>DEFAULTSHN_UNDEF
    memset.dynsym0x8b78156FUNC<unknown>DEFAULTSHN_UNDEF
    open.dynsym0x8bfc100FUNC<unknown>DEFAULTSHN_UNDEF
    prctl.dynsym0x8a4c68FUNC<unknown>DEFAULTSHN_UNDEF
    raise.dynsym0x8c38240FUNC<unknown>DEFAULTSHN_UNDEF
    read.dynsym0x8b24100FUNC<unknown>DEFAULTSHN_UNDEF
    select.dynsym0x8a94132FUNC<unknown>DEFAULTSHN_UNDEF
    send.dynsym0x8aac112FUNC<unknown>DEFAULTSHN_UNDEF
    sendto.dynsym0x8b3c136FUNC<unknown>DEFAULTSHN_UNDEF
    setsid.dynsym0x8c1464FUNC<unknown>DEFAULTSHN_UNDEF
    setsockopt.dynsym0x8b0072FUNC<unknown>DEFAULTSHN_UNDEF
    sigaddset.dynsym0x8aa080FUNC<unknown>DEFAULTSHN_UNDEF
    sigemptyset.dynsym0x8a2820FUNC<unknown>DEFAULTSHN_UNDEF
    signal.dynsym0x8b18196FUNC<unknown>DEFAULTSHN_UNDEF
    sigprocmask.dynsym0x8c44140FUNC<unknown>DEFAULTSHN_UNDEF
    sleep.dynsym0x8a7c272FUNC<unknown>DEFAULTSHN_UNDEF
    socket.dynsym0x8a8868FUNC<unknown>DEFAULTSHN_UNDEF
    strcat.dynsym0x8adc40FUNC<unknown>DEFAULTSHN_UNDEF
    strcmp.dynsym0x8b9c28FUNC<unknown>DEFAULTSHN_UNDEF
    strcpy.dynsym0x8a0436FUNC<unknown>DEFAULTSHN_UNDEF
    strlen.dynsym0x8bf096FUNC<unknown>DEFAULTSHN_UNDEF
    strstr.dynsym0x8b0c252FUNC<unknown>DEFAULTSHN_UNDEF
    strtok.dynsym0x8b4848FUNC<unknown>DEFAULTSHN_UNDEF
    system.dynsym0x8a64132FUNC<unknown>DEFAULTSHN_UNDEF
    time.dynsym0x8b9048FUNC<unknown>DEFAULTSHN_UNDEF
    write.dynsym0x8ac4100FUNC<unknown>DEFAULTSHN_UNDEF

    Network Behavior

    Download Network PCAP: filtered – full

    TimestampSource PortDest PortSource IPDest IP
    Mar 12, 2025 02:30:51.245448112 CET5542653192.168.2.148.8.8.8
    Mar 12, 2025 02:30:51.245524883 CET4216253192.168.2.148.8.8.8
    Mar 12, 2025 02:30:51.251847029 CET53554268.8.8.8192.168.2.14
    Mar 12, 2025 02:30:51.252351046 CET53421628.8.8.8192.168.2.14

    DNS Queries

    TimestampSource IPDest IPTrans IDOP CodeNameTypeClassDNS over HTTPS
    Mar 12, 2025 02:30:51.245448112 CET192.168.2.148.8.8.80x9a66Standard query (0)daisy.ubuntu.comA (IP address)IN (0x0001)false
    Mar 12, 2025 02:30:51.245524883 CET192.168.2.148.8.8.80xb7a2Standard query (0)daisy.ubuntu.com28IN (0x0001)false

    DNS Answers

    TimestampSource IPDest IPTrans IDReply CodeNameCNameAddressTypeClassDNS over HTTPS
    Mar 12, 2025 02:30:51.251847029 CET8.8.8.8192.168.2.140x9a66No error (0)daisy.ubuntu.com162.213.35.25A (IP address)IN (0x0001)false
    Mar 12, 2025 02:30:51.251847029 CET8.8.8.8192.168.2.140x9a66No error (0)daisy.ubuntu.com162.213.35.24A (IP address)IN (0x0001)false

    System Behavior

    General

    Start time (UTC):01:28:05
    Start date (UTC):12/03/2025
    Path:/tmp/demon.arm7.elf
    Arguments:/tmp/demon.arm7.elf
    File size:4956856 bytes
    MD5 hash:5ebfcae4fe2471fcc5695c2394773ff1

    File Activities

    Process Activities

    System Activities