Joe Sandbox Cloud Basic Analysis Report
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Linux Analysis Report
demon.arm.elf

Overview

General Information

Sample name:demon.arm.elf
Analysis ID:1620046
MD5:c4c6c08508611f047cdd108a902a5087
SHA1:cbc3cf7847e1a2bf0ec20fe03390f0d0031d90f9
SHA256:4a2bba6acd7dedca8dae52eb9b3a716793e5a96b04a1c607e45458ad3fa313f2
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:1620046
Start date and time:2025-02-20 16:06:15 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 24s
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.arm.elf
Detection:MAL
Classification:mal48.linELF@0/0@2/0

Runtime Messages

Command:/tmp/demon.arm.elf
PID:5434
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

Process Tree

  • system is lnxubuntu20
  • demon.arm.elf (PID: 5434, Parent: 5357, MD5: 5ebfcae4fe2471fcc5695c2394773ff1) Arguments: /tmp/demon.arm.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.arm.elfReversingLabs: Detection: 13%
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.arm.elf (PID: 5434)Queries kernel information via 'uname': Jump to behavior
Source: demon.arm.elf, 5434.1.00007ffcf287a000.00007ffcf289b000.rw-.sdmpBinary or memory string: x86_64/usr/bin/qemu-arm/tmp/demon.arm.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.arm.elf
Source: demon.arm.elf, 5434.1.000055e0384a4000.000055e0385d2000.rw-.sdmpBinary or memory string: U!/etc/qemu-binfmt/arm
Source: demon.arm.elf, 5434.1.000055e0384a4000.000055e0385d2000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/arm
Source: demon.arm.elf, 5434.1.00007ffcf287a000.00007ffcf289b000.rw-.sdmpBinary or memory string: /usr/bin/qemu-arm
Source: demon.arm.elf, 5434.1.00007ffcf287a000.00007ffcf289b000.rw-.sdmpBinary or memory string: qemu: uncaught target signal 11 (Segmentation fault) - core dumped

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: 1620046 Sample: demon.arm.elf Startdate: 20/02/2025 Architecture: LINUX Score: 48 8 daisy.ubuntu.com 2->8 10 Multi AV Scanner detection for submitted file 2->10 6 demon.arm.elf 2->6         started        signatures3 process4

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

SourceDetectionScannerLabelLink
demon.arm.elf13%ReversingLabs

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.sh4.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    demon.arm5.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.25
    demon.ppc.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.25
    .i.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    dlr.spc.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    dlr.m68k.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    dlr.ppc.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    arm5.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    arm.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.25
    mips.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24

    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, version 1 (ARM), statically linked, stripped
    Entropy (8bit):6.022099195053935
    TrID:
    • ELF Executable and Linkable format (generic) (4004/1) 100.00%
    File name:demon.arm.elf
    File size:46'152 bytes
    MD5:c4c6c08508611f047cdd108a902a5087
    SHA1:cbc3cf7847e1a2bf0ec20fe03390f0d0031d90f9
    SHA256:4a2bba6acd7dedca8dae52eb9b3a716793e5a96b04a1c607e45458ad3fa313f2
    SHA512:729eb52b25dba9782bbc9a56c51e06c3bdc380c9af6d5b55120cf25bbfb202547bb2fa0cc797e9b4775bec969e6f2673942e8dc3bc9c55a207f4cbd49a49d599
    SSDEEP:768:QFOFDc5ZvaijdPqUoezVwIFnYKx4v2oVEeDYi2K/cxMC/WvzQIe:vFAbvaijVloezZFYKxfoVEeDrCOvE
    TLSH:DA231BC5F9805B02C6C119B7FF0E428B762B876CE2EAB303ED255F21338756A5E36151
    File Content Preview:.ELF...a..........(.........4...........4. ...(.....................................................l...T...........Q.td..................................-...L."...v'..........0@-.\P...0....S.0...P@...0... ....R......0...0...........0... ....R..... 0....S

    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:ARM - ABI
    ABI Version:0
    Entry Point Address:0x8190
    Flags:0x202
    ELF Header Size:52
    Program Header Offset:52
    Program Header Size:32
    Number of Program Headers:3
    Section Header Offset:45752
    Section Header Size:40
    Number of Section Headers:10
    Header String Table Index:9

    Sections

    NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
    NULL0x00x00x00x00x0000
    .initPROGBITS0x80940x940x180x00x6AX004
    .textPROGBITS0x80b00xb00x9e100x00x6AX0016
    .finiPROGBITS0x11ec00x9ec00x140x00x6AX004
    .rodataPROGBITS0x11ed40x9ed40x11340x00x2A004
    .ctorsPROGBITS0x1b00c0xb0100x80x00x3WA004
    .dtorsPROGBITS0x1b0140xb0180x80x00x3WA004
    .dataPROGBITS0x1b0200xb0240x2540x00x3WA004
    .bssNOBITS0x1b2740xb2780x25ec0x00x3WA004
    .shstrtabSTRTAB0x00xb2780x3e0x00x0001

    Program Segments

    TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
    LOAD0x00x80000x80000xb0080xb0086.05620x5R E0x8000.init .text .fini .rodata
    LOAD0xb00c0x1b00c0x1b0080x26c0xa8543.29730x6RW 0x8000.ctors .dtors .data .bss
    GNU_STACK0x00x00x00x00x00.00000x7RWE0x4

    Network Behavior

    Download Network PCAP: filtered – full

    TimestampSource PortDest PortSource IPDest IP
    Feb 20, 2025 16:07:03.940500021 CET4731153192.168.2.138.8.8.8
    Feb 20, 2025 16:07:03.940500021 CET3605153192.168.2.138.8.8.8
    Feb 20, 2025 16:07:03.947325945 CET53473118.8.8.8192.168.2.13
    Feb 20, 2025 16:07:03.947348118 CET53360518.8.8.8192.168.2.13

    DNS Queries

    TimestampSource IPDest IPTrans IDOP CodeNameTypeClassDNS over HTTPS
    Feb 20, 2025 16:07:03.940500021 CET192.168.2.138.8.8.80xf019Standard query (0)daisy.ubuntu.comA (IP address)IN (0x0001)false
    Feb 20, 2025 16:07:03.940500021 CET192.168.2.138.8.8.80xb5e8Standard query (0)daisy.ubuntu.com28IN (0x0001)false

    DNS Answers

    TimestampSource IPDest IPTrans IDReply CodeNameCNameAddressTypeClassDNS over HTTPS
    Feb 20, 2025 16:07:03.947325945 CET8.8.8.8192.168.2.130xf019No error (0)daisy.ubuntu.com162.213.35.25A (IP address)IN (0x0001)false
    Feb 20, 2025 16:07:03.947325945 CET8.8.8.8192.168.2.130xf019No error (0)daisy.ubuntu.com162.213.35.24A (IP address)IN (0x0001)false

    System Behavior

    General

    Start time (UTC):15:07:01
    Start date (UTC):20/02/2025
    Path:/tmp/demon.arm.elf
    Arguments:/tmp/demon.arm.elf
    File size:4956856 bytes
    MD5 hash:5ebfcae4fe2471fcc5695c2394773ff1

    File Activities

    Process Activities

    System Activities