Joe Sandbox Cloud Basic Analysis Report
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Linux Analysis Report
m68k.elf

Overview

General Information

Sample name:m68k.elf
Analysis ID:1594537
MD5:b645b59e982fca575b7e561322a58497
SHA1:18c7845c3c357cfb4e8a442db424b761813bb7b1
SHA256:eb1757530bdba77a025ac17b73eb27d2f3ee0045d01ac33b859dc822618b363e
Tags:elfuser-abuse_ch
Infos:

Detection

Score:48
Range:0 - 100
Whitelisted:false

Signatures

Multi AV Scanner detection for submitted file
Detected TCP or UDP traffic on non-standard ports
Sample has stripped symbol table
Sample tries to kill a process (SIGKILL)
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:1594537
Start date and time:2025-01-19 05:47:07 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 36s
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:m68k.elf
Detection:MAL
Classification:mal48.linELF@0/0@0/0

Runtime Messages

Command:/tmp/m68k.elf
PID:5432
Exit Code:0
Exit Code Info:
Killed:False
Standard Output:

Standard Error:

Process Tree

  • system is lnxubuntu20
  • m68k.elf (PID: 5432, Parent: 5357, MD5: cd177594338c77b895ae27c33f8f86cc) Arguments: /tmp/m68k.elf
    • m68k.elf New Fork (PID: 5434, Parent: 5432)
  • 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: m68k.elfReversingLabs: Detection: 21%
Source: global trafficTCP traffic: 192.168.2.13:37216 -> 85.239.34.134:5683
Source: unknownTCP traffic detected without corresponding DNS query: 85.239.34.134
Source: unknownTCP traffic detected without corresponding DNS query: 85.239.34.134
Source: unknownTCP traffic detected without corresponding DNS query: 85.239.34.134
Source: unknownTCP traffic detected without corresponding DNS query: 85.239.34.134
Source: unknownTCP traffic detected without corresponding DNS query: 85.239.34.134
Source: ELF static info symbol of initial sample.symtab present: no
Source: /tmp/m68k.elf (PID: 5434)SIGKILL sent: pid: 100696064, result: no such processJump to behavior
Source: /tmp/m68k.elf (PID: 5434)SIGKILL sent: pid: 404489984, result: no such processJump to behavior
Source: classification engineClassification label: mal48.linELF@0/0@0/0
Source: /tmp/m68k.elf (PID: 5432)Queries kernel information via 'uname': Jump to behavior
Source: m68k.elf, 5432.1.00007ffcf0a2f000.00007ffcf0a50000.rw-.sdmp, m68k.elf, 5434.1.00007ffcf0a2f000.00007ffcf0a50000.rw-.sdmpBinary or memory string: /x86_64/usr/bin/qemu-m68k/tmp/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/m68k.elf
Source: m68k.elf, 5432.1.000055b4734d7000.000055b47353b000.rw-.sdmp, m68k.elf, 5434.1.000055b4734d7000.000055b47353b000.rw-.sdmpBinary or memory string: U!/etc/qemu-binfmt/m68k
Source: m68k.elf, 5432.1.00007ffcf0a2f000.00007ffcf0a50000.rw-.sdmp, m68k.elf, 5434.1.00007ffcf0a2f000.00007ffcf0a50000.rw-.sdmpBinary or memory string: /usr/bin/qemu-m68k
Source: m68k.elf, 5432.1.000055b4734d7000.000055b47353b000.rw-.sdmp, m68k.elf, 5434.1.000055b4734d7000.000055b47353b000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/m68k

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-Standard Port		Exfiltration Over Other Network MediumAbuse Accessibility Features

Malware Configuration

⊘No configs have been found

Behavior Graph

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Legend:

  • Process
  • Signature
  • Created File
  • DNS/IP Info
  • Is Dropped
  • Number of created Files
  • Is malicious
  • Internet
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1594537 Sample: m68k.elf Startdate: 19/01/2025 Architecture: LINUX Score: 48 11 85.239.34.134, 37216, 5683 RAINBOW-HKRainbownetworklimitedHK Russian Federation 2->11 13 Multi AV Scanner detection for submitted file 2->13 7 m68k.elf 2->7         started        signatures3 process4 process5 9 m68k.elf 7->9         started       

Screenshots

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Thumbnails

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windows-stand

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

SourceDetectionScannerLabelLink
m68k.elf21%ReversingLabsLinux.Backdoor.Mirai

Dropped Files

⊘No Antivirus matches

Domains

⊘No Antivirus matches

URLs

⊘No Antivirus matches

Domains and IPs

Download Network PCAP: filtered – full

Contacted Domains

⊘No contacted domains info

World Map of Contacted IPs

  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs

Public IPs

IPDomainCountryFlagASNASN NameMalicious
85.239.34.134
unknownRussian Federation
134121RAINBOW-HKRainbownetworklimitedHKfalse

Joe Sandbox View / Context

IPs

MatchAssociated Sample Name / URLSHA 256DetectionThreat NameLinkContext
85.239.34.134x86.elfGet hashmaliciousUnknownBrowse
    arm7.elfGet hashmaliciousUnknownBrowse
      arm6.elfGet hashmaliciousUnknownBrowse
        mpsl.elfGet hashmaliciousUnknownBrowse
          sh4.elfGet hashmaliciousUnknownBrowse
            harm.elfGet hashmaliciousUnknownBrowse
              arm7.elfGet hashmaliciousUnknownBrowse
                mpsl.elfGet hashmaliciousUnknownBrowse
                  x86.elfGet hashmaliciousUnknownBrowse
                    ppc.elfGet hashmaliciousUnknownBrowse

                      Domains

                      ⊘No context

                      ASNs

                      MatchAssociated Sample Name / URLSHA 256DetectionThreat NameLinkContext
                      RAINBOW-HKRainbownetworklimitedHKx86.elfGet hashmaliciousUnknownBrowse
                      • 85.239.34.134
                      arm7.elfGet hashmaliciousUnknownBrowse
                      • 85.239.34.134
                      arm6.elfGet hashmaliciousUnknownBrowse
                      • 85.239.34.134
                      mpsl.elfGet hashmaliciousUnknownBrowse
                      • 85.239.34.134
                      sh4.elfGet hashmaliciousUnknownBrowse
                      • 85.239.34.134
                      harm.elfGet hashmaliciousUnknownBrowse
                      • 85.239.34.134
                      arm7.elfGet hashmaliciousUnknownBrowse
                      • 85.239.34.134
                      mpsl.elfGet hashmaliciousUnknownBrowse
                      • 85.239.34.134
                      x86.elfGet hashmaliciousUnknownBrowse
                      • 85.239.34.134
                      ppc.elfGet hashmaliciousUnknownBrowse
                      • 85.239.34.134

                      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 MSB executable, Motorola m68k, 68020, version 1 (SYSV), statically linked, stripped
                      Entropy (8bit):5.98097192651582
                      TrID:
                      • ELF Executable and Linkable format (generic) (4004/1) 100.00%
                      File name:m68k.elf
                      File size:49'584 bytes
                      MD5:b645b59e982fca575b7e561322a58497
                      SHA1:18c7845c3c357cfb4e8a442db424b761813bb7b1
                      SHA256:eb1757530bdba77a025ac17b73eb27d2f3ee0045d01ac33b859dc822618b363e
                      SHA512:d3563b1f150df91bad92f65e14eb247f2291a3784d5bb1a785768ea151fa46785787f7a63c556b51e6264a845d9c0913e666a95bc12dc15165754e49d4a89912
                      SSDEEP:1536:BHYT8YCJQekacWVcW0JcWcBeMcV20MySZ4mi:RJQekacWVcW0JcWcBPcV2ABmi
                      TLSH:4623F7C3F510EA7DF82CD73F4C6249587271F29449C70A2657A7B76BE83918C1A1AF82
                      File Content Preview:.ELF.......................D...4.........4. ...(..........................................................&.........dt.Q............................NV..a....da....lN^NuNV..J9....f>"y.... QJ.g.X.#.....N."y.... QJ.f.A.....J.g.Hy....N.X.........N^NuNV..N^NuN

                      Static ELF Info

                      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:0x80000144
                      Flags:0x0
                      ELF Header Size:52
                      Program Header Offset:52
                      Program Header Size:32
                      Number of Program Headers:3
                      Section Header Offset:49104
                      Section Header Size:40
                      Number of Section Headers:12
                      Header String Table Index:11

                      Sections

                      NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
                      NULL0x00x00x00x00x0000
                      .initPROGBITS0x800000940x940x140x00x6AX002
                      .textPROGBITS0x800000a80xa80xb8960x00x6AX004
                      .finiPROGBITS0x8000b93e0xb93e0xe0x00x6AX002
                      .rodataPROGBITS0x8000b94c0xb94c0x3a20x00x2A002
                      .eh_framePROGBITS0x8000ccf00xbcf00x40x00x3WA004
                      .ctorsPROGBITS0x8000ccf40xbcf40x80x00x3WA004
                      .dtorsPROGBITS0x8000ccfc0xbcfc0x80x00x3WA004
                      .jcrPROGBITS0x8000cd040xbd040x40x00x3WA004
                      .dataPROGBITS0x8000cd080xbd080x2780x00x3WA004
                      .bssNOBITS0x8000cf800xbf800x24140x00x3WA004
                      .shstrtabSTRTAB0x00xbf800x4d0x00x0001

                      Program Segments

                      TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
                      LOAD0x00x800000000x800000000xbcee0xbcee6.00830x5R E0x1000.init .text .fini .rodata
                      LOAD0xbcf00x8000ccf00x8000ccf00x2900x26a43.74000x6RW 0x1000.eh_frame .ctors .dtors .jcr .data .bss
                      GNU_STACK0x00x00x00x00x00.00000x6RW 0x4

                      Network Behavior

                      Download Network PCAP: filtered – full

                      TimestampSource PortDest PortSource IPDest IP
                      Jan 19, 2025 05:47:58.593446016 CET372165683192.168.2.1385.239.34.134
                      Jan 19, 2025 05:47:58.598542929 CET56833721685.239.34.134192.168.2.13
                      Jan 19, 2025 05:47:58.598618031 CET372165683192.168.2.1385.239.34.134
                      Jan 19, 2025 05:47:59.213366985 CET56833721685.239.34.134192.168.2.13
                      Jan 19, 2025 05:47:59.213840008 CET372165683192.168.2.1385.239.34.134
                      Jan 19, 2025 05:47:59.322470903 CET372165683192.168.2.1385.239.34.134
                      Jan 19, 2025 05:47:59.327892065 CET56833721685.239.34.134192.168.2.13
                      Jan 19, 2025 05:47:59.328067064 CET372165683192.168.2.1385.239.34.134

                      System Behavior

                      General

                      Start time (UTC):04:47:57
                      Start date (UTC):19/01/2025
                      Path:/tmp/m68k.elf
                      Arguments:/tmp/m68k.elf
                      File size:4463432 bytes
                      MD5 hash:cd177594338c77b895ae27c33f8f86cc

                      File Activities

                      Process Activities

                      System Activities

                      Network Activities


                      General

                      Start time (UTC):04:47:57
                      Start date (UTC):19/01/2025
                      Path:/tmp/m68k.elf
                      Arguments:-
                      File size:4463432 bytes
                      MD5 hash:cd177594338c77b895ae27c33f8f86cc

                      Process Activities

                      Network Activities