Joe Sandbox Cloud Basic Analysis Report

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Linux Analysis Report
arm6.elf

Overview

General Information

Sample name:arm6.elf
Analysis ID:1541274
MD5:6d6271123d67add0f160ed8da390ae81
SHA1:ae4affe48364d99c14db096ee92cde27302780c7
SHA256:b6809bf9ea6448f01d59a92b2b919d9b38de51fb0fcfc5afaf35755660652c48
Tags:elfuser-abuse_ch
Infos:

Detection

Score:1
Range:0 - 100
Whitelisted:false

Signatures

Sample has stripped symbol table
Uses the "uname" system call to query kernel version information (possible evasion)

Classification

General Information

Joe Sandbox version:41.0.0 Charoite
Analysis ID:1541274
Start date and time:2024-10-24 16:42:09 +02:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 21s
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:arm6.elf
Detection:CLEAN
Classification:clean1.linELF@0/0@2/0

Warnings

  • VT rate limit hit for: arm6.elf

Runtime Messages

Command:/tmp/arm6.elf
PID:5425
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
  • arm6.elf (PID: 5425, Parent: 5349, MD5: 5ebfcae4fe2471fcc5695c2394773ff1) Arguments: /tmp/arm6.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

There are no malicious signatures, click here to show all signatures.

Source: unknownUDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknownUDP traffic detected without corresponding DNS query: 1.1.1.1
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: clean1.linELF@0/0@2/0
Source: /tmp/arm6.elf (PID: 5425)Queries kernel information via 'uname': Jump to behavior
Source: arm6.elf, 5425.1.000055fd29359000.000055fd29487000.rw-.sdmpBinary or memory string: U!/etc/qemu-binfmt/arm
Source: arm6.elf, 5425.1.000055fd29359000.000055fd29487000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/arm
Source: arm6.elf, 5425.1.00007ffc7d8a4000.00007ffc7d8c5000.rw-.sdmpBinary or memory string: /usr/bin/qemu-arm
Source: arm6.elf, 5425.1.00007ffc7d8a4000.00007ffc7d8c5000.rw-.sdmpBinary or memory string: x86_64/usr/bin/qemu-arm/tmp/arm6.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/arm6.elf
Source: arm6.elf, 5425.1.00007ffc7d8a4000.00007ffc7d8c5000.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: 1541274 Sample: arm6.elf Startdate: 24/10/2024 Architecture: LINUX Score: 1 7 daisy.ubuntu.com 2->7 5 arm6.elf 2->5         started        process3

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

⊘No Antivirus matches

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
    		unknown

    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.comkjsusa6.elfGet hashmaliciousMirai, OkiruBrowse
    • 162.213.35.25
    boatnet.x86.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.25
    .i.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    pYZckE379D.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.24
    KRaD0mXY3m.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.25
    atH4SE3Oi6.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.25
    5tSAlF2WkT.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.25
    x86_64.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.25
    jade.x86.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.25
    boatnet.arm6.elfGet hashmaliciousMiraiBrowse
    • 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, EABI4 version 1 (SYSV), statically linked, stripped
    Entropy (8bit):6.046122238756427
    TrID:
    • ELF Executable and Linkable format (generic) (4004/1) 100.00%
    File name:arm6.elf
    File size:42'796 bytes
    MD5:6d6271123d67add0f160ed8da390ae81
    SHA1:ae4affe48364d99c14db096ee92cde27302780c7
    SHA256:b6809bf9ea6448f01d59a92b2b919d9b38de51fb0fcfc5afaf35755660652c48
    SHA512:d3f5a1297414426360bef36d35c0dd8c2bd29f08e2fa6c76f34a41044e2235e99a7926e1cbd97f785ca283427e0eb9345f085c585dd3b62b8e0251f83580c274
    SSDEEP:768:9xniM2r5whazGgGIfDtmUeIXjE1isUJLHRHHBo7sVNfiw54TYhI:9xnjmoalGm89IXKisUFHRHhSjw54TYh
    TLSH:C813F85AF9816B11D5C1117AFE0E124FB323472CE3EE7326AD246B2477879770E3A816
    File Content Preview:.ELF..............(.....T...4...L.......4. ...(.....................................................................Q.td..................................-...L..................@-.,@...0....S..... 0....S.........../..0...0...@..../...............-.@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:UNIX - System V
    ABI Version:0
    Entry Point Address:0x8154
    Flags:0x4000002
    ELF Header Size:52
    Program Header Offset:52
    Program Header Size:32
    Number of Program Headers:3
    Section Header Offset:42316
    Section Header Size:40
    Number of Section Headers:12
    Header String Table Index:11

    Sections

    NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
    NULL0x00x00x00x00x0000
    .initPROGBITS0x80940x940x100x00x6AX004
    .textPROGBITS0x80b00xb00x90880x00x6AX0016
    .finiPROGBITS0x111380x91380x100x00x6AX004
    .rodataPROGBITS0x111480x91480x10b80x00x2A008
    .init_arrayINIT_ARRAY0x1a2040xa2080x40x00x3WA004
    .fini_arrayFINI_ARRAY0x1a2080xa20c0x40x00x3WA004
    .gotPROGBITS0x1a2100xa2140x780x40x3WA004
    .dataPROGBITS0x1a2880xa28c0x2500x00x3WA004
    .bssNOBITS0x1a4d80xa4dc0x24300x00x3WA004
    .ARM.attributesARM_ATTRIBUTES0x00xa4dc0x100x00x0001
    .shstrtabSTRTAB0x00xa4ec0x5d0x00x0001

    Program Segments

    TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
    LOAD0x00x80000x80000xa2000xa2006.08550x5R E0x8000.init .text .fini .rodata
    LOAD0xa2040x1a2040x1a2000x2d80xa7043.56180x6RW 0x8000.init_array .fini_array .got .data .bss
    GNU_STACK0x00x00x00x00x00.00000x7RWE0x4

    Network Behavior

    Network Port Distribution

    UDP Packets

    TimestampSource PortDest PortSource IPDest IP
    Oct 24, 2024 16:42:51.595993996 CEST4347453192.168.2.131.1.1.1
    Oct 24, 2024 16:42:51.596093893 CEST5518853192.168.2.131.1.1.1
    Oct 24, 2024 16:42:51.603945017 CEST53551881.1.1.1192.168.2.13
    Oct 24, 2024 16:42:51.604329109 CEST53434741.1.1.1192.168.2.13

    DNS Queries

    TimestampSource IPDest IPTrans IDOP CodeNameTypeClassDNS over HTTPS
    Oct 24, 2024 16:42:51.595993996 CEST192.168.2.131.1.1.10x32f2Standard query (0)daisy.ubuntu.comA (IP address)IN (0x0001)false
    Oct 24, 2024 16:42:51.596093893 CEST192.168.2.131.1.1.10x5b05Standard query (0)daisy.ubuntu.com28IN (0x0001)false

    DNS Answers

    TimestampSource IPDest IPTrans IDReply CodeNameCNameAddressTypeClassDNS over HTTPS
    Oct 24, 2024 16:42:51.604329109 CEST1.1.1.1192.168.2.130x32f2No error (0)daisy.ubuntu.com162.213.35.25A (IP address)IN (0x0001)false
    Oct 24, 2024 16:42:51.604329109 CEST1.1.1.1192.168.2.130x32f2No error (0)daisy.ubuntu.com162.213.35.24A (IP address)IN (0x0001)false

    System Behavior

    General

    Start time (UTC):14:42:49
    Start date (UTC):24/10/2024
    Path:/tmp/arm6.elf
    Arguments:/tmp/arm6.elf
    File size:4956856 bytes
    MD5 hash:5ebfcae4fe2471fcc5695c2394773ff1

    Chronological Activities