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Linux Analysis Report
MIPSEL.elf

Overview

General Information

Sample name:MIPSEL.elf
Analysis ID:1594177
MD5:a650d84ee9f019bb520cd48ce38aa4de
SHA1:bb1e2832bf7053b1459d931277f8606dfae675e7
SHA256:471db6476550eedb9a5fb237293663e24eb08e933c3999a7c75dbf18da1b9083
Tags:elfuser-abuse_ch
Infos:

Detection

Score:56
Range:0 - 100
Whitelisted:false

Signatures

Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
ELF contains segments with high entropy indicating compressed/encrypted content
Sample contains only a LOAD segment without any section mappings
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:1594177
Start date and time:2025-01-18 10:01:14 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 28s
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:MIPSEL.elf
Detection:MAL
Classification:mal56.linELF@0/0@2/0

Runtime Messages

Command:/tmp/MIPSEL.elf
PID:5503
Exit Code:133
Exit Code Info:
Killed:False
Standard Output:

Standard Error:qemu: uncaught target signal 5 (Trace/breakpoint trap) - core dumped

Process Tree

  • system is lnxubuntu20
  • MIPSEL.elf (PID: 5503, Parent: 5429, MD5: 0d6f61f82cf2f781c6eb0661071d42d9) Arguments: /tmp/MIPSEL.elf
  • cleanup

Yara Signatures

⊘No yara matches

Suricata Signatures

⊘No Suricata rule has matched

Joe Sandbox Signatures

  • • AV Detection
  • • Networking
  • • System Summary
  • • Hooking and other Techniques for Hiding and Protection
  • • Malware Analysis System Evasion

Click to jump to signature section

Show All Signature Results

AV Detection

barindex
Source: MIPSEL.elfAvira: detected
Source: MIPSEL.elfVirustotal: Detection: 28%Perma Link
Source: MIPSEL.elfReversingLabs: Detection: 31%
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: LOAD without section mappingsProgram segment: 0x400000
Source: classification engineClassification label: mal56.linELF@0/0@2/0
Source: MIPSEL.elfSubmission file: segment LOAD with 7.9228 entropy (max. 8.0)
Source: /tmp/MIPSEL.elf (PID: 5503)Queries kernel information via 'uname': Jump to behavior
Source: MIPSEL.elf, 5503.1.0000558435a4c000.0000558435ad3000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/mipsel
Source: MIPSEL.elf, 5503.1.00007ffea9157000.00007ffea9178000.rw-.sdmpBinary or memory string: x86_64/usr/bin/qemu-mipsel/tmp/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/MIPSEL.elf
Source: MIPSEL.elf, 5503.1.0000558435a4c000.0000558435ad3000.rw-.sdmpBinary or memory string: U!/etc/qemu-binfmt/mipsel
Source: MIPSEL.elf, 5503.1.00007ffea9157000.00007ffea9178000.rw-.sdmpBinary or memory string: qemu: uncaught target signal 5 (Trace/breakpoint trap) - core dumped
Source: MIPSEL.elf, 5503.1.00007ffea9157000.00007ffea9178000.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 Interception1
Obfuscated Files or Information		OS 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: 1594177 Sample: MIPSEL.elf Startdate: 18/01/2025 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 MIPSEL.elf 2->6         started        signatures3 process4

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

SourceDetectionScannerLabelLink
MIPSEL.elf29%VirustotalBrowse
MIPSEL.elf32%ReversingLabsLinux.Trojan.Generic
MIPSEL.elf100%AviraEXP/ELF.Agent.M.28

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.comsshd.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    .i.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.25
    armv7l.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.25
    armv6l.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.25
    arm7.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.24
    sh4.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.25
    spc.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.24
    mpsl.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.25
    m68k.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.25
    2.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, MIPS, MIPS-I version 1 (SYSV), statically linked, no section header
    Entropy (8bit):7.923222736643496
    TrID:
    • ELF Executable and Linkable format (generic) (4004/1) 100.00%
    File name:MIPSEL.elf
    File size:37'612 bytes
    MD5:a650d84ee9f019bb520cd48ce38aa4de
    SHA1:bb1e2832bf7053b1459d931277f8606dfae675e7
    SHA256:471db6476550eedb9a5fb237293663e24eb08e933c3999a7c75dbf18da1b9083
    SHA512:a7f8d8dd9ec3b58d32da1a7f74bd4f4b9646289c52b93c7d9c3877fb678a7f02681919673289a1bedbc51fe7f437ec7237318546cc04a48287cb56e3fe517190
    SSDEEP:768:V2K/jFy7Q86L+Ld7KxJ927Ogk+oj5IJ284FpTsRsFsLlJXiBgUWR1KpZ:Z/BycRodWxb27OgXs5i2pDCLiBbr
    TLSH:D8F2F17DE434B865D54D1FFEB0DE2B918D6B8682730C0B8A1368BDC15369A43B0DD8E8
    File Content Preview:.ELF.....................y@.4...........4. ...(...............@...@...........................A...A.................,...YTS.....................a..........?.E.h;....#....3.FR..eQN.+(4....A.I.....'A.M.7'...~=.ZK..3I (]..x..F.P.....".f....^.!..).i..`.....(t

    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:0x407998
    Flags:0x1007
    ELF Header Size:52
    Program Header Offset:52
    Program Header Size:32
    Number of Program Headers:2
    Section Header Offset:0
    Section Header Size:40
    Number of Section Headers:0
    Header String Table Index:0

    Program Segments

    TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
    LOAD0x00x4000000x4000000x8d150x8d157.92280x5R E0x10000
    LOAD0x00x4100000x4100000x00x4fe8c0.00000x6RW 0x10000

    Network Behavior

    Download Network PCAP: filtered – full

    TimestampSource PortDest PortSource IPDest IP
    Jan 18, 2025 10:02:04.042999029 CET4071953192.168.2.141.1.1.1
    Jan 18, 2025 10:02:04.043042898 CET4592653192.168.2.141.1.1.1
    Jan 18, 2025 10:02:04.049921036 CET53459261.1.1.1192.168.2.14
    Jan 18, 2025 10:02:04.050261974 CET53407191.1.1.1192.168.2.14

    DNS Queries

    TimestampSource IPDest IPTrans IDOP CodeNameTypeClassDNS over HTTPS
    Jan 18, 2025 10:02:04.042999029 CET192.168.2.141.1.1.10x8324Standard query (0)daisy.ubuntu.comA (IP address)IN (0x0001)false
    Jan 18, 2025 10:02:04.043042898 CET192.168.2.141.1.1.10xa833Standard query (0)daisy.ubuntu.com28IN (0x0001)false

    DNS Answers

    TimestampSource IPDest IPTrans IDReply CodeNameCNameAddressTypeClassDNS over HTTPS
    Jan 18, 2025 10:02:04.050261974 CET1.1.1.1192.168.2.140x8324No error (0)daisy.ubuntu.com162.213.35.25A (IP address)IN (0x0001)false
    Jan 18, 2025 10:02:04.050261974 CET1.1.1.1192.168.2.140x8324No error (0)daisy.ubuntu.com162.213.35.24A (IP address)IN (0x0001)false

    System Behavior

    General

    Start time (UTC):09:02:02
    Start date (UTC):18/01/2025
    Path:/tmp/MIPSEL.elf
    Arguments:/tmp/MIPSEL.elf
    File size:5773336 bytes
    MD5 hash:0d6f61f82cf2f781c6eb0661071d42d9

    File Activities

    Process Activities

    System Activities