Joe Sandbox Cloud Basic Analysis Report
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Linux Analysis Report
hoho.mipsel.elf

Overview

General Information

Sample name:hoho.mipsel.elf
Analysis ID:1644290
MD5:cf8f50404934c4889da270996d8c68ff
SHA1:99882c4f78db7b01d80354fd871723fea04de39f
SHA256:034f8259d2cfba0bb7f6bc4d431a6ec1cb8139a12bf00271bbf9d491f8f4ea56
Tags:elfMiraiuser-abuse_ch
Infos:

Detection

Score:56
Range:0 - 100

Signatures

Antivirus / Scanner detection for submitted sample
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:1644290
Start date and time:2025-03-20 14:17:11 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 38s
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:hoho.mipsel.elf
Detection:MAL
Classification:mal56.linELF@0/0@2/0

Runtime Messages

Command:/tmp/hoho.mipsel.elf
PID:5549
Exit Code:136
Exit Code Info:SIGFPE (8) Floating-point exception
Killed:False
Standard Output:

Standard Error:qemu: uncaught target signal 8 (Floating point exception) - core dumped

Process Tree

  • system is lnxubuntu20
  • hoho.mipsel.elf (PID: 5549, Parent: 5475, MD5: 0d6f61f82cf2f781c6eb0661071d42d9) Arguments: /tmp/hoho.mipsel.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: hoho.mipsel.elfAvira: detected
Source: hoho.mipsel.elfVirustotal: Detection: 60%Perma Link
Source: hoho.mipsel.elfReversingLabs: Detection: 69%
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: mal56.linELF@0/0@2/0
Source: /tmp/hoho.mipsel.elf (PID: 5549)Queries kernel information via 'uname': Jump to behavior
Source: hoho.mipsel.elf, 5549.1.000055e2f135b000.000055e2f13e2000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/mipsel
Source: hoho.mipsel.elf, 5549.1.00007ffceea6a000.00007ffceea8b000.rw-.sdmpBinary or memory string: ,x86_64/usr/bin/qemu-mipsel/tmp/hoho.mipsel.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/hoho.mipsel.elf
Source: hoho.mipsel.elf, 5549.1.000055e2f135b000.000055e2f13e2000.rw-.sdmpBinary or memory string: U!/etc/qemu-binfmt/mipsel
Source: hoho.mipsel.elf, 5549.1.00007ffceea6a000.00007ffceea8b000.rw-.sdmpBinary or memory string: qemu: uncaught target signal 8 (Floating point exception) - core dumped
Source: hoho.mipsel.elf, 5549.1.00007ffceea6a000.00007ffceea8b000.rw-.sdmpBinary or memory string: /usr/bin/qemu-mipsel

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: 1644290 Sample: hoho.mipsel.elf Startdate: 20/03/2025 Architecture: LINUX Score: 56 8 daisy.ubuntu.com 2->8 10 Antivirus / Scanner detection for submitted sample 2->10 12 Multi AV Scanner detection for submitted file 2->12 6 hoho.mipsel.elf 2->6         started        signatures3 process4

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

SourceDetectionScannerLabelLink
hoho.mipsel.elf61%VirustotalBrowse
hoho.mipsel.elf69%ReversingLabsLinux.Trojan.Mirai
hoho.mipsel.elf100%AviraEXP/ELF.Mirai.Bootnet.o

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.comhoho.armv7l.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.24
    miner.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    hoho.i586.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    hoho.i686.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    sshd.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    Space.spc.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.25
    Nyx4r.arm6.elfGet hashmaliciousOkiruBrowse
    • 162.213.35.24
    Nyx4r.m68k.elfGet hashmaliciousOkiruBrowse
    • 162.213.35.25
    Nyx4r.arm5.elfGet hashmaliciousOkiruBrowse
    • 162.213.35.24
    Nyx4r.x86.elfGet hashmaliciousOkiruBrowse
    • 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, MIPS, MIPS-I version 1 (SYSV), statically linked, stripped
    Entropy (8bit):5.283520724735567
    TrID:
    • ELF Executable and Linkable format (generic) (4004/1) 100.00%
    File name:hoho.mipsel.elf
    File size:67'484 bytes
    MD5:cf8f50404934c4889da270996d8c68ff
    SHA1:99882c4f78db7b01d80354fd871723fea04de39f
    SHA256:034f8259d2cfba0bb7f6bc4d431a6ec1cb8139a12bf00271bbf9d491f8f4ea56
    SHA512:9bf9c3c01c6f6f96cfb7e64c4e623c8a9491da222eee106844338a7cb9afa322c0e5087f6eec042e3ceb2ade458e53f39b5329ebc8c0c2bd0d7a480aa7a6a180
    SSDEEP:768:n+xGiJEEYlDIR99rk8qL0L56x15C7i5OWe1eR2eifEoNqpk6z50XirqMeObpj:n+xGiJxYlkGhx+7id0M2lfdauO1
    TLSH:58638309BF654FB7EC6FDC3749A91746258C641A21A93B397E34D828F24B24F09E3874
    File Content Preview:.ELF....................`.@.4...l.......4. ...(...............@...@...........................E...E.................Q.td...............................<...'!......'.......................<...'!... .........9'.. ........................<...'!.............9

    Static ELF Info

    ELF header

    Class:ELF32
    Data:2's complement, little endian
    Version:1 (current)
    Machine:MIPS R3000
    Version Number:0x1
    Type:EXEC (Executable file)
    OS/ABI:UNIX - System V
    ABI Version:0
    Entry Point Address:0x400260
    Flags:0x1007
    ELF Header Size:52
    Program Header Offset:52
    Program Header Size:32
    Number of Program Headers:3
    Section Header Offset:66924
    Section Header Size:40
    Number of Section Headers:14
    Header String Table Index:13

    Sections

    NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
    NULL0x00x00x00x00x0000
    .initPROGBITS0x4000940x940x8c0x00x6AX004
    .textPROGBITS0x4001200x1200xf2300x00x6AX0016
    .finiPROGBITS0x40f3500xf3500x5c0x00x6AX004
    .rodataPROGBITS0x40f3b00xf3b00x5e00x00x2A0016
    .ctorsPROGBITS0x4500000x100000x80x00x3WA004
    .dtorsPROGBITS0x4500080x100080x80x00x3WA004
    .data.rel.roPROGBITS0x4500140x100140x40x00x3WA004
    .dataPROGBITS0x4500200x100200x1900x00x3WA0016
    .gotPROGBITS0x4501b00x101b00x3580x40x10000003WAp0016
    .sbssNOBITS0x4505080x105080x240x00x10000003WAp004
    .bssNOBITS0x4505300x105080x2a00x00x3WA0016
    .mdebug.abi32PROGBITS0x6540x105080x00x00x0001
    .shstrtabSTRTAB0x00x105080x640x00x0001

    Program Segments

    TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
    LOAD0x00x4000000x4000000xf9900xf9905.39790x5R E0x10000.init .text .fini .rodata
    LOAD0x100000x4500000x4500000x5080x7d03.35570x6RW 0x10000.ctors .dtors .data.rel.ro .data .got .sbss .bss
    GNU_STACK0x00x00x00x00x00.00000x7RWE0x4

    Network Behavior

    Download Network PCAP: filtered – full

    TimestampSource PortDest PortSource IPDest IP
    Mar 20, 2025 14:18:11.368392944 CET4242153192.168.2.151.1.1.1
    Mar 20, 2025 14:18:11.368443012 CET5297653192.168.2.151.1.1.1
    Mar 20, 2025 14:18:11.468607903 CET53529761.1.1.1192.168.2.15
    Mar 20, 2025 14:18:11.468961954 CET53424211.1.1.1192.168.2.15

    DNS Queries

    TimestampSource IPDest IPTrans IDOP CodeNameTypeClassDNS over HTTPS
    Mar 20, 2025 14:18:11.368392944 CET192.168.2.151.1.1.10x9d6aStandard query (0)daisy.ubuntu.comA (IP address)IN (0x0001)false
    Mar 20, 2025 14:18:11.368443012 CET192.168.2.151.1.1.10xa04Standard query (0)daisy.ubuntu.com28IN (0x0001)false

    DNS Answers

    TimestampSource IPDest IPTrans IDReply CodeNameCNameAddressTypeClassDNS over HTTPS
    Mar 20, 2025 14:18:11.468961954 CET1.1.1.1192.168.2.150x9d6aNo error (0)daisy.ubuntu.com162.213.35.25A (IP address)IN (0x0001)false
    Mar 20, 2025 14:18:11.468961954 CET1.1.1.1192.168.2.150x9d6aNo error (0)daisy.ubuntu.com162.213.35.24A (IP address)IN (0x0001)false

    System Behavior

    General

    Start time (UTC):13:18:09
    Start date (UTC):20/03/2025
    Path:/tmp/hoho.mipsel.elf
    Arguments:/tmp/hoho.mipsel.elf
    File size:5773336 bytes
    MD5 hash:0d6f61f82cf2f781c6eb0661071d42d9

    File Activities

    Process Activities

    System Activities

    Network Activities