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Linux Analysis Report
morte.arm6.elf

Overview

General Information

Sample name:morte.arm6.elf
Analysis ID:1634665
MD5:a388576c7dadc773290582db884cf92b
SHA1:9ccd04b56581ba6e957ca8153d53fc9cc7444051
SHA256:c3b210212bbf7aa4032bc1b2fae8ca154f8bb08b3ddf44d7c221e25b6b6cb5bf
Tags:elfuser-abuse_ch
Infos:

Detection

Score:52
Range:0 - 100

Signatures

Multi AV Scanner detection for submitted file
Sample is packed with UPX
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
Joe Sandbox version:42.0.0 Malachite
Analysis ID:1634665
Start date and time:2025-03-11 03:07:53 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 26s
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:morte.arm6.elf
Detection:MAL
Classification:mal52.evad.linELF@0/0@2/0
Command:/tmp/morte.arm6.elf
PID:5526
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
  • system is lnxubuntu20
  • morte.arm6.elf (PID: 5526, Parent: 5449, MD5: 5ebfcae4fe2471fcc5695c2394773ff1) Arguments: /tmp/morte.arm6.elf
  • cleanup
No yara matches
No Suricata rule has matched

Click to jump to signature section

Show All Signature Results

AV Detection

barindex
Source: morte.arm6.elfVirustotal: Detection: 22%Perma Link
Source: morte.arm6.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: morte.arm6.elfString found in binary or memory: http://upx.sf.net
Source: morte.arm6.elf, 5526.1.00007f0d9c017000.00007f0d9c032000.r-x.sdmpString found in binary or memory: https://google.com/
Source: LOAD without section mappingsProgram segment: 0x8000
Source: classification engineClassification label: mal52.evad.linELF@0/0@2/0

Data Obfuscation

barindex
Source: initial sampleString containing UPX found: $Info: This file is packed with the UPX executable packer http://upx.sf.net $
Source: initial sampleString containing UPX found: $Info: This file is packed with the UPX executable packer http://upx.sf.net $
Source: initial sampleString containing UPX found: $Id: UPX 3.94 Copyright (C) 1996-2017 the UPX Team. All Rights Reserved. $
Source: morte.arm6.elfSubmission file: segment LOAD with 7.9795 entropy (max. 8.0)
Source: /tmp/morte.arm6.elf (PID: 5526)Queries kernel information via 'uname': Jump to behavior
Source: morte.arm6.elf, 5526.1.000055b0a1dba000.000055b0a1fe8000.rw-.sdmpBinary or memory string: U!/etc/qemu-binfmt/arm
Source: morte.arm6.elf, 5526.1.000055b0a1dba000.000055b0a1fe8000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/arm
Source: morte.arm6.elf, 5526.1.00007fffe63ef000.00007fffe6410000.rw-.sdmpBinary or memory string: /usr/bin/qemu-arm
Source: morte.arm6.elf, 5526.1.00007fffe63ef000.00007fffe6410000.rw-.sdmpBinary or memory string: qemu: uncaught target signal 11 (Segmentation fault) - core dumped
Source: morte.arm6.elf, 5526.1.00007fffe63ef000.00007fffe6410000.rw-.sdmpBinary or memory string: ex86_64/usr/bin/qemu-arm/tmp/morte.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/morte.arm6.elf
ReconnaissanceResource DevelopmentInitial AccessExecutionPersistencePrivilege EscalationDefense EvasionCredential AccessDiscoveryLateral MovementCollectionCommand and ControlExfiltrationImpact
Gather Victim Identity InformationAcquire InfrastructureValid AccountsWindows Management InstrumentationPath InterceptionPath Interception11
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
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: 1634665 Sample: morte.arm6.elf Startdate: 11/03/2025 Architecture: LINUX Score: 52 8 daisy.ubuntu.com 2->8 10 Multi AV Scanner detection for submitted file 2->10 12 Sample is packed with UPX 2->12 6 morte.arm6.elf 2->6         started        signatures3 process4

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


windows-stand
SourceDetectionScannerLabelLink
morte.arm6.elf22%VirustotalBrowse
morte.arm6.elf32%ReversingLabsLinux.Backdoor.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
    NameSourceMaliciousAntivirus DetectionReputation
    http://upx.sf.netmorte.arm6.elffalse
      high
      https://google.com/morte.arm6.elf, 5526.1.00007f0d9c017000.00007f0d9c032000.r-x.sdmpfalse
        high
        No contacted IP infos
        No context
        MatchAssociated Sample Name / URLSHA 256DetectionThreat NameLinkContext
        daisy.ubuntu.comnabarm6.elfGet hashmaliciousUnknownBrowse
        • 162.213.35.25
        bin.sh.elfGet hashmaliciousMiraiBrowse
        • 162.213.35.25
        debug.dbg.elfGet hashmaliciousMiraiBrowse
        • 162.213.35.24
        boatnet.spc.elfGet hashmaliciousMiraiBrowse
        • 162.213.35.24
        .i.elfGet hashmaliciousUnknownBrowse
        • 162.213.35.24
        sshd.elfGet hashmaliciousUnknownBrowse
        • 162.213.35.25
        mpsl.elfGet hashmaliciousMirai, MoobotBrowse
        • 162.213.35.24
        arm5.elfGet hashmaliciousMiraiBrowse
        • 162.213.35.25
        arm6.elfGet hashmaliciousMirai, MoobotBrowse
        • 162.213.35.24
        mips.elfGet hashmaliciousMirai, MoobotBrowse
        • 162.213.35.24
        No context
        No context
        No context
        No created / dropped files found
        File type:ELF 32-bit LSB executable, ARM, EABI4 version 1 (GNU/Linux), statically linked, no section header
        Entropy (8bit):7.97795526993232
        TrID:
        • ELF Executable and Linkable format (generic) (4004/1) 100.00%
        File name:morte.arm6.elf
        File size:49'188 bytes
        MD5:a388576c7dadc773290582db884cf92b
        SHA1:9ccd04b56581ba6e957ca8153d53fc9cc7444051
        SHA256:c3b210212bbf7aa4032bc1b2fae8ca154f8bb08b3ddf44d7c221e25b6b6cb5bf
        SHA512:1d8e5355031f3bc210f3431f9507bb67eaf5de108ff3cb861e5e1bcb5ce5ef06ecf9825a6345062f02b1bc47033b6603ac01791a18d4050d030577ef0bb794b4
        SSDEEP:1536:Zl+k6WcYkpS3MARjoJoukPGfN4NNFwi4gp8NL0:7+0cYkpS3Fj3G1c+i4gYL0
        TLSH:7A23F16BA102D851D836F97BBD7703005C466F76E3EE35E3501641D92E0A71B26B9AC1
        File Content Preview:.ELF..............(......,..4...........4. ...(..........................................4...4...4..................Q.td...............................aUPX!....................S..........?.E.h;....#..$..1).....=^...K.....G.X..r.0n..S.I..!...f!XF..:.0..ZY.

        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 - Linux
        ABI Version:0
        Entry Point Address:0x12cf8
        Flags:0x4000002
        ELF Header Size:52
        Program Header Offset:52
        Program Header Size:32
        Number of Program Headers:3
        Section Header Offset:0
        Section Header Size:40
        Number of Section Headers:0
        Header String Table Index:0
        TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
        LOAD0x00x80000x80000xbee50xbee57.97950x5R E0x8000
        LOAD0x341c0x3341c0x3341c0x00x00.00000x6RW 0x8000
        GNU_STACK0x00x00x00x00x00.00000x7RWE0x4

        Download Network PCAP: filteredfull

        TimestampSource PortDest PortSource IPDest IP
        Mar 11, 2025 03:08:41.253875017 CET4986453192.168.2.151.1.1.1
        Mar 11, 2025 03:08:41.253875017 CET3816353192.168.2.151.1.1.1
        Mar 11, 2025 03:08:41.260569096 CET53381631.1.1.1192.168.2.15
        Mar 11, 2025 03:08:41.261027098 CET53498641.1.1.1192.168.2.15
        TimestampSource IPDest IPTrans IDOP CodeNameTypeClassDNS over HTTPS
        Mar 11, 2025 03:08:41.253875017 CET192.168.2.151.1.1.10xe906Standard query (0)daisy.ubuntu.comA (IP address)IN (0x0001)false
        Mar 11, 2025 03:08:41.253875017 CET192.168.2.151.1.1.10xc1f9Standard query (0)daisy.ubuntu.com28IN (0x0001)false
        TimestampSource IPDest IPTrans IDReply CodeNameCNameAddressTypeClassDNS over HTTPS
        Mar 11, 2025 03:08:41.261027098 CET1.1.1.1192.168.2.150xe906No error (0)daisy.ubuntu.com162.213.35.24A (IP address)IN (0x0001)false
        Mar 11, 2025 03:08:41.261027098 CET1.1.1.1192.168.2.150xe906No error (0)daisy.ubuntu.com162.213.35.25A (IP address)IN (0x0001)false

        System Behavior

        Start time (UTC):02:08:39
        Start date (UTC):11/03/2025
        Path:/tmp/morte.arm6.elf
        Arguments:/tmp/morte.arm6.elf
        File size:4956856 bytes
        MD5 hash:5ebfcae4fe2471fcc5695c2394773ff1