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Linux Analysis Report
dlr.m68k.elf

Overview

General Information

Sample name:dlr.m68k.elf
Analysis ID:1620029
MD5:f17fd285c4c2de30f537e54454fe42b4
SHA1:f856ad6c31044202a978b758dfc0ca23d373ffb9
SHA256:96b7f3b789c96742910b5d706e4a67fd6cda4d89435320f766d9d102ac99d42c
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
Joe Sandbox version:42.0.0 Malachite
Analysis ID:1620029
Start date and time:2025-02-20 15:52:21 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 27s
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:dlr.m68k.elf
Detection:MAL
Classification:mal48.linELF@0/0@2/0
Command:/tmp/dlr.m68k.elf
PID:5572
Exit Code:139
Exit Code Info:SIGSEGV (11) Segmentation fault invalid memory reference
Killed:False
Standard Output:

Standard Error:
  • system is lnxubuntu20
  • dlr.m68k.elf (PID: 5572, Parent: 5493, MD5: cd177594338c77b895ae27c33f8f86cc) Arguments: /tmp/dlr.m68k.elf
  • cleanup
No yara matches
No Suricata rule has matched

Click to jump to signature section

Show All Signature Results

AV Detection

barindex
Source: dlr.m68k.elfReversingLabs: Detection: 39%
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: mal48.linELF@0/0@2/0
Source: /tmp/dlr.m68k.elf (PID: 5572)Queries kernel information via 'uname': Jump to behavior
Source: dlr.m68k.elf, 5572.1.00007ffeb7158000.00007ffeb7179000.rw-.sdmpBinary or memory string: x86_64/usr/bin/qemu-m68k/tmp/dlr.m68k.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/dlr.m68k.elf
Source: dlr.m68k.elf, 5572.1.00007ffeb7158000.00007ffeb7179000.rw-.sdmpBinary or memory string: /usr/bin/qemu-m68k
Source: dlr.m68k.elf, 5572.1.0000560e4667e000.0000560e466c0000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/m68k
Source: dlr.m68k.elf, 5572.1.0000560e4667e000.0000560e466c0000.rw-.sdmpBinary or memory string: V!/etc/qemu-binfmt/m68k
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
No configs have been found
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: 1620029 Sample: dlr.m68k.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 dlr.m68k.elf 2->6         started        signatures3 process4

This section contains all screenshots as thumbnails, including those not shown in the slideshow.


windows-stand
SourceDetectionScannerLabelLink
dlr.m68k.elf39%ReversingLabsLinux.Downloader.Mirai
No Antivirus matches
No Antivirus matches
No Antivirus matches

Download Network PCAP: filteredfull

NameIPActiveMaliciousAntivirus DetectionReputation
daisy.ubuntu.com
162.213.35.24
truefalse
    high
    No contacted IP infos
    No context
    MatchAssociated Sample Name / URLSHA 256DetectionThreat NameLinkContext
    daisy.ubuntu.comarm5.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    arm.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.25
    mips.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    mpsl.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.25
    m68k.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.25
    i.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    dolP0blnO5.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    .i.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    sshd.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    sshd.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    No context
    No context
    No context
    No created / dropped files found
    File type:ELF 32-bit MSB executable, Motorola m68k, 68020, version 1 (SYSV), statically linked, stripped
    Entropy (8bit):5.047049203657482
    TrID:
    • ELF Executable and Linkable format (generic) (4004/1) 100.00%
    File name:dlr.m68k.elf
    File size:1'264 bytes
    MD5:f17fd285c4c2de30f537e54454fe42b4
    SHA1:f856ad6c31044202a978b758dfc0ca23d373ffb9
    SHA256:96b7f3b789c96742910b5d706e4a67fd6cda4d89435320f766d9d102ac99d42c
    SHA512:f564e286306e8160a2898a2404f1f4197a553f421d244c97715d94b3530b87c3a49b60bee0c8cdc7b69d758105a72858a368659344da7596fffbcb1abb40ea72
    SSDEEP:24:3ba8DzSWPpbP78Pwy74+CiCTH2hHcUD8ECAfGC6iokpdtENBNT1d8:rpP3hb/mkT2h8s8DAf/zEjNhd8
    TLSH:7421FC49F2496D8FEAA75078141B032B30207A9DE5139923F3668F7F7A77694221B1CE
    File Content Preview:.ELF.......................>...4...(.....4. ...(.................................. ...........$...$............... .dt.Q............................NV......p...B.....H@B@......B.........N^NuNV../...Hx..a.....P.N^NuNV../...Hx..a....hN^NuNV../.../.../...Hx.

    ELF header

    Class:ELF32
    Data:2's complement, big endian
    Version:1 (current)
    Machine:MC68000
    Version Number:0x1
    Type:EXEC (Executable file)
    OS/ABI:UNIX - System V
    ABI Version:0
    Entry Point Address:0x8000033e
    Flags:0x0
    ELF Header Size:52
    Program Header Offset:52
    Program Header Size:32
    Number of Program Headers:3
    Section Header Offset:1064
    Section Header Size:40
    Number of Section Headers:5
    Header String Table Index:4
    NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
    NULL0x00x00x00x00x0000
    .textPROGBITS0x800000940x940x3240x00x6AX004
    .rodataPROGBITS0x800003b80x3b80x4e0x10x32AMS001
    .bssNOBITS0x800024080x4080x80x00x3WA004
    .shstrtabSTRTAB0x00x4080x1e0x00x0001
    TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
    LOAD0x00x800000000x800000000x4060x4065.44770x5R E0x2000.text .rodata
    LOAD0x4080x800024080x800024080x00x80.00000x6RW 0x2000.bss
    GNU_STACK0x00x00x00x00x00.00000x6RW 0x4

    Download Network PCAP: filteredfull

    TimestampSource PortDest PortSource IPDest IP
    Feb 20, 2025 15:53:12.528048992 CET4356653192.168.2.151.1.1.1
    Feb 20, 2025 15:53:12.528105021 CET4545053192.168.2.151.1.1.1
    Feb 20, 2025 15:53:12.535660028 CET53435661.1.1.1192.168.2.15
    Feb 20, 2025 15:53:12.536659002 CET53454501.1.1.1192.168.2.15
    TimestampSource IPDest IPTrans IDOP CodeNameTypeClassDNS over HTTPS
    Feb 20, 2025 15:53:12.528048992 CET192.168.2.151.1.1.10xf6d4Standard query (0)daisy.ubuntu.comA (IP address)IN (0x0001)false
    Feb 20, 2025 15:53:12.528105021 CET192.168.2.151.1.1.10x4170Standard query (0)daisy.ubuntu.com28IN (0x0001)false
    TimestampSource IPDest IPTrans IDReply CodeNameCNameAddressTypeClassDNS over HTTPS
    Feb 20, 2025 15:53:12.535660028 CET1.1.1.1192.168.2.150xf6d4No error (0)daisy.ubuntu.com162.213.35.24A (IP address)IN (0x0001)false
    Feb 20, 2025 15:53:12.535660028 CET1.1.1.1192.168.2.150xf6d4No error (0)daisy.ubuntu.com162.213.35.25A (IP address)IN (0x0001)false

    System Behavior

    Start time (UTC):14:53:11
    Start date (UTC):20/02/2025
    Path:/tmp/dlr.m68k.elf
    Arguments:/tmp/dlr.m68k.elf
    File size:4463432 bytes
    MD5 hash:cd177594338c77b895ae27c33f8f86cc