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Linux Analysis Report
mirai.mpsl.elf

Overview

General Information

Sample name:mirai.mpsl.elf
Analysis ID:1663480
MD5:e439f64bbe728cba94e9006d1b8f74af
SHA1:df975dd611861392e669edfa5492ff386e341246
SHA256:8c37e48ccb2d15ed4b590fec9000f59d33935d29d9befed006c5810f1895dc5b
Tags:elfuser-abuse_ch
Infos:

Detection

Mirai
Score:72
Range:0 - 100

Signatures

Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected Mirai
HTTP GET or POST without a user agent
Sample has stripped symbol table
Uses the "uname" system call to query kernel version information (possible evasion)
Writes ELF files to disk

Classification

Joe Sandbox version:42.0.0 Malachite
Analysis ID:1663480
Start date and time:2025-04-11 21:18:00 +02:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 41s
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:mirai.mpsl.elf
Detection:MAL
Classification:mal72.troj.linELF@0/1@0/0
Command:/tmp/mirai.mpsl.elf
PID:5456
Exit Code:5
Exit Code Info:
Killed:False
Standard Output:
MIRAI
FIN
Standard Error:
  • system is lnxubuntu20
  • mirai.mpsl.elf (PID: 5456, Parent: 5374, MD5: 0d6f61f82cf2f781c6eb0661071d42d9) Arguments: /tmp/mirai.mpsl.elf
  • cleanup
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
mirai.mpsl.elfJoeSecurity_Mirai_6Yara detected MiraiJoe Security
    SourceRuleDescriptionAuthorStrings
    /tmp/dvrHelperJoeSecurity_Mirai_6Yara detected MiraiJoe Security
      SourceRuleDescriptionAuthorStrings
      5456.1.00007f498c400000.00007f498c401000.r-x.sdmpJoeSecurity_Mirai_6Yara detected MiraiJoe Security
        5456.1.00007f498c440000.00007f498c441000.rw-.sdmpJoeSecurity_Mirai_6Yara detected MiraiJoe Security
          No Suricata rule has matched

          Click to jump to signature section

          Show All Signature Results

          AV Detection

          barindex
          Source: mirai.mpsl.elfAvira: detected
          Source: /tmp/dvrHelperAvira: detection malicious, Label: EXP/ELF.Mirai.Y
          Source: mirai.mpsl.elfVirustotal: Detection: 49%Perma Link
          Source: mirai.mpsl.elfReversingLabs: Detection: 58%
          Source: global trafficHTTP traffic detected: GET /bins/mirai.mpsl HTTP/1.0
          Source: unknownTCP traffic detected without corresponding DNS query: 154.81.179.195
          Source: unknownTCP traffic detected without corresponding DNS query: 154.81.179.195
          Source: unknownTCP traffic detected without corresponding DNS query: 154.81.179.195
          Source: unknownTCP traffic detected without corresponding DNS query: 154.81.179.195
          Source: unknownTCP traffic detected without corresponding DNS query: 154.81.179.195
          Source: unknownTCP traffic detected without corresponding DNS query: 154.81.179.195
          Source: unknownTCP traffic detected without corresponding DNS query: 185.125.190.26
          Source: unknownTCP traffic detected without corresponding DNS query: 185.125.190.26
          Source: global trafficHTTP traffic detected: GET /bins/mirai.mpsl HTTP/1.0
          Source: unknownNetwork traffic detected: HTTP traffic on port 48202 -> 443
          Source: ELF static info symbol of initial sample.symtab present: no
          Source: classification engineClassification label: mal72.troj.linELF@0/1@0/0
          Source: /tmp/mirai.mpsl.elf (PID: 5456)File written: /tmp/dvrHelperJump to dropped file
          Source: /tmp/mirai.mpsl.elf (PID: 5456)Queries kernel information via 'uname': Jump to behavior
          Source: mirai.mpsl.elf, 5456.1.000055739ee0d000.000055739ee94000.rw-.sdmpBinary or memory string: sU!/etc/qemu-binfmt/mipsel
          Source: mirai.mpsl.elf, 5456.1.000055739ee0d000.000055739ee94000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/mipsel
          Source: mirai.mpsl.elf, 5456.1.00007fff45da9000.00007fff45dca000.rw-.sdmpBinary or memory string: x86_64/usr/bin/qemu-mipsel/tmp/mirai.mpsl.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/mirai.mpsl.elf
          Source: mirai.mpsl.elf, 5456.1.00007fff45da9000.00007fff45dca000.rw-.sdmpBinary or memory string: /usr/bin/qemu-mipsel

          Stealing of Sensitive Information

          barindex
          Source: Yara matchFile source: mirai.mpsl.elf, type: SAMPLE
          Source: Yara matchFile source: 5456.1.00007f498c400000.00007f498c401000.r-x.sdmp, type: MEMORY
          Source: Yara matchFile source: 5456.1.00007f498c440000.00007f498c441000.rw-.sdmp, type: MEMORY
          Source: Yara matchFile source: /tmp/dvrHelper, type: DROPPED

          Remote Access Functionality

          barindex
          Source: Yara matchFile source: mirai.mpsl.elf, type: SAMPLE
          Source: Yara matchFile source: 5456.1.00007f498c400000.00007f498c401000.r-x.sdmp, type: MEMORY
          Source: Yara matchFile source: 5456.1.00007f498c440000.00007f498c441000.rw-.sdmp, type: MEMORY
          Source: Yara matchFile source: /tmp/dvrHelper, type: DROPPED
          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
          Encrypted Channel
          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
          Non-Application Layer Protocol
          Exfiltration Over BluetoothNetwork Denial of Service
          Email AddressesDNS ServerDomain AccountsAtLogon Script (Windows)Logon Script (Windows)Obfuscated Files or InformationSecurity Account ManagerQuery RegistrySMB/Windows Admin SharesData from Network Shared Drive2
          Application Layer Protocol
          Automated ExfiltrationData Encrypted for Impact
          Employee NamesVirtual Private ServerLocal AccountsCronLogin HookLogin HookBinary PaddingNTDSSystem Network Configuration DiscoveryDistributed Component Object ModelInput Capture1
          Ingress Tool Transfer
          Traffic DuplicationData Destruction
          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
          mirai.mpsl.elf49%VirustotalBrowse
          mirai.mpsl.elf58%ReversingLabsLinux.Backdoor.Mirai
          mirai.mpsl.elf100%AviraEXP/ELF.Mirai.Y
          SourceDetectionScannerLabelLink
          /tmp/dvrHelper100%AviraEXP/ELF.Mirai.Y
          /tmp/dvrHelper58%ReversingLabsLinux.Backdoor.Mirai
          /tmp/dvrHelper49%VirustotalBrowse
          No Antivirus matches
          No Antivirus matches
          No contacted domains info
          • No. of IPs < 25%
          • 25% < No. of IPs < 50%
          • 50% < No. of IPs < 75%
          • 75% < No. of IPs
          IPDomainCountryFlagASNASN NameMalicious
          185.125.190.26
          unknownUnited Kingdom
          41231CANONICAL-ASGBfalse
          154.81.179.195
          unknownSeychelles
          35916MULTA-ASN1USfalse
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                              No context
                              No context
                              Process:/tmp/mirai.mpsl.elf
                              File Type:ELF 32-bit LSB executable, MIPS, MIPS-I version 1 (SYSV), statically linked, stripped
                              Category:dropped
                              Size (bytes):2032
                              Entropy (8bit):4.749281712467769
                              Encrypted:false
                              SSDEEP:48:UQ2+CnuDS3E6df9H+SMTLWPkeTwWDYFCXp:UQEnuu3f9eSoLW7Tw2v5
                              MD5:E439F64BBE728CBA94E9006D1B8F74AF
                              SHA1:DF975DD611861392E669EDFA5492FF386E341246
                              SHA-256:8C37E48CCB2D15ED4B590FEC9000F59D33935D29D9BEFED006C5810F1895DC5B
                              SHA-512:6B13882A5D29753B6558210C6F48617E4910684C264BE273228199634601CF1757BABF24775ADD2AEF629D36ACF9858E47F4897AE7F147EDB444F2BB626E45A5
                              Malicious:true
                              Yara Hits:
                              • Rule: JoeSecurity_Mirai_6, Description: Yara detected Mirai, Source: /tmp/dvrHelper, Author: Joe Security
                              Antivirus:
                              • Antivirus: Avira, Detection: 100%
                              • Antivirus: ReversingLabs, Detection: 58%
                              • Antivirus: Virustotal, Detection: 49%, Browse
                              Reputation:low
                              Preview:.ELF......................@.4...........4. ...(...............@...@.P...P...............P...P.D.P.D.T...p...........Q.td...........................................0.,...&..% .....0...0% ...2..%0...".....0.......0.....6..%.C.%0......%.F....<T..'!...\...!(.... ....$...<8..'!...\...!(.... ....$...<...'!...!...\...!8..!(..!0@... ....$...<.'!......'(.......\........... ......$...'.. ....$....(...........0..'...<...'!...!...\...!8..!(..!0@... ....$...<...'!...!...\...!8..!(..!0@... ....$...<X..'!......'(.......\........... ......$...'.. ....$....(...........0..'...<...'!...8..'..................................P$..........@....&...&........H......$...$...$..B$.. .#..........$L........P.$...$...$Q..$...$.. ............$....`......$...$.. . ..........$P......$!0.... .!.@.!.@....$......".......B.....T......... ....$........D...! ....'.. ....$......A.!.@.....H......$...$.. ....$........T......... .# ..............H.....p&$..$! ... .!0........P.!...T......... ....$....!...8...! ....'.. ....$
                              File type:ELF 32-bit LSB executable, MIPS, MIPS-I version 1 (SYSV), statically linked, stripped
                              Entropy (8bit):4.749281712467769
                              TrID:
                              • ELF Executable and Linkable format (generic) (4004/1) 100.00%
                              File name:mirai.mpsl.elf
                              File size:2'032 bytes
                              MD5:e439f64bbe728cba94e9006d1b8f74af
                              SHA1:df975dd611861392e669edfa5492ff386e341246
                              SHA256:8c37e48ccb2d15ed4b590fec9000f59d33935d29d9befed006c5810f1895dc5b
                              SHA512:6b13882a5d29753b6558210c6f48617e4910684c264be273228199634601cf1757babf24775add2aef629d36acf9858e47f4897ae7f147edb444f2bb626e45a5
                              SSDEEP:48:UQ2+CnuDS3E6df9H+SMTLWPkeTwWDYFCXp:UQEnuu3f9eSoLW7Tw2v5
                              TLSH:6141F2591FD01F33ED66CC36464A2B5239CC842FA16B23926234D960BD3E604E7D38E8
                              File Content Preview:.ELF......................@.4...........4. ...(...............@...@.P...P...............P...P.D.P.D.T...p...........Q.td...........................................0.,...&..% .....0...0% ...2..%0...".....0.......0.....6..%.C.%0......%.F....<T..'!...\...!(.

                              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:0x4004e4
                              Flags:0x1007
                              ELF Header Size:52
                              Program Header Offset:52
                              Program Header Size:32
                              Number of Program Headers:3
                              Section Header Offset:1752
                              Section Header Size:40
                              Number of Section Headers:7
                              Header String Table Index:6
                              NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
                              NULL0x00x00x00x00x0000
                              .textPROGBITS0x4000a00xa00x5600x00x6AX0016
                              .rodataPROGBITS0x4006000x6000x500x10x32AMS004
                              .gotPROGBITS0x4406500x6500x540x40x10000003WAp0016
                              .bssNOBITS0x4406b00x6a40x100x00x3WA0016
                              .mdebug.abi32PROGBITS0x480x6a40x00x00x0001
                              .shstrtabSTRTAB0x00x6a40x310x00x0001
                              TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
                              LOAD0x00x4000000x4000000x6500x6505.05160x5R E0x10000.text .rodata
                              LOAD0x6500x4406500x4406500x540x702.63630x6RW 0x10000.got .bss
                              GNU_STACK0x00x00x00x00x00.00000x7RWE0x4
                              TimestampSource PortDest PortSource IPDest IP
                              Apr 11, 2025 21:18:55.515589952 CEST5112680192.168.2.13154.81.179.195
                              Apr 11, 2025 21:18:55.723326921 CEST8051126154.81.179.195192.168.2.13
                              Apr 11, 2025 21:18:55.723762989 CEST5112680192.168.2.13154.81.179.195
                              Apr 11, 2025 21:18:55.724452972 CEST5112680192.168.2.13154.81.179.195
                              Apr 11, 2025 21:18:55.931397915 CEST8051126154.81.179.195192.168.2.13
                              Apr 11, 2025 21:18:55.931467056 CEST8051126154.81.179.195192.168.2.13
                              Apr 11, 2025 21:18:55.931493044 CEST8051126154.81.179.195192.168.2.13
                              Apr 11, 2025 21:18:55.931900978 CEST5112680192.168.2.13154.81.179.195
                              Apr 11, 2025 21:18:55.972810984 CEST5112680192.168.2.13154.81.179.195
                              Apr 11, 2025 21:18:56.073826075 CEST5112680192.168.2.13154.81.179.195
                              Apr 11, 2025 21:18:56.280884027 CEST8051126154.81.179.195192.168.2.13
                              Apr 11, 2025 21:19:05.708950043 CEST48202443192.168.2.13185.125.190.26
                              Apr 11, 2025 21:19:37.452975988 CEST48202443192.168.2.13185.125.190.26
                              Session IDSource IPSource PortDestination IPDestination Port
                              0192.168.2.1351126154.81.179.19580
                              TimestampBytes transferredDirectionData
                              Apr 11, 2025 21:18:55.724452972 CEST45OUTGET /bins/mirai.mpsl HTTP/1.0
                              Apr 11, 2025 21:18:55.931467056 CEST1358INHTTP/1.1 200 OK
                              Server: nginx/1.18.0 (Ubuntu)
                              Date: Fri, 11 Apr 2025 19:18:55 GMT
                              Content-Type: application/octet-stream
                              Content-Length: 2032
                              Last-Modified: Fri, 11 Apr 2025 14:27:51 GMT
                              Connection: close
                              ETag: "67f926e7-7f0"
                              Accept-Ranges: bytes
                              Data Raw: 7f 45 4c 46 01 01 01 00 00 00 00 00 00 00 00 00 02 00 08 00 01 00 00 00 e4 04 40 00 34 00 00 00 d8 06 00 00 07 10 00 00 34 00 20 00 03 00 28 00 07 00 06 00 01 00 00 00 00 00 00 00 00 00 40 00 00 00 40 00 50 06 00 00 50 06 00 00 05 00 00 00 00 00 01 00 01 00 00 00 50 06 00 00 50 06 44 00 50 06 44 00 54 00 00 00 70 00 00 00 06 00 00 00 00 00 01 00 51 e5 74 64 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 07 00 00 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ff 00 a5 30 00 2c 05 00 00 26 04 00 25 20 85 00 ff 00 e7 30 ff 00 c6 30 25 20 87 00 00 32 06 00 25 30 c4 00 02 22 06 00 00 ff c3 30 00 1a 03 00 00 ff 84 30 00 16 06 00 02 36 06 00 25 10 43 00 25 30 c4 00 08 00 e0 03 25 10 46 00 05 00 1c 3c 54 85 9c 27 21 e0 99 03 5c 80 99 8f 21 28 80 00 08 00 20 03 a1 0f 04 24 05 00 1c 3c 38 85 9c 27 21 e0 99 03 5c 80 99 8f 21 28 80 00 08 00 20 03 a6 0f 04 24 05 00 1c 3c 1c 85 9c 27 21 e0 99 03 21 10 a0 00 5c 80 99 8f 21 38 c0 00 21 28 80 00 21 30 40 00 08 00 20 03 a5 0f 04 24 05 00 1c 3c f4 84 [TRUNCATED]
                              Data Ascii: ELF@44 (@@PPPPDPDTpQtd0,&% 00% 2%0"006%C%0%F<T'!\!( $<8'!\!( $<'!!\!8!(!0@ $<'!'(\ $' $(0'<'!!\!8!(!0@ $<'!!\!8!(!0@ $<X'!'(\ $' $(0'<'!8'P$@&&H$$$B$ #$LP$$$Q$$ $`$$ $P$!0 !@!@$"BT $D! ' $A!@H$$ $T # Hp&$$! !0P!T $!8! ' $$T [TRUNCATED]
                              Apr 11, 2025 21:18:55.931493044 CEST956INData Raw: 21 28 00 02 48 80 99 8f 21 30 40 00 06 00 40 18 21 20 40 02 09 f8 20 03 00 00 00 00 10 00 bc 8f f0 ff 00 10 00 00 00 00 58 80 99 8f 00 00 00 00 09 f8 20 03 21 20 20 02 10 00 bc 8f 00 00 00 00 58 80 99 8f 00 00 00 00 09 f8 20 03 21 20 40 02 10 00
                              Data Ascii: !(H!0@@! @ X ! X ! @$HH$ $T $'<\'!!<D'!!< < '!!!


                              System Behavior

                              Start time (UTC):19:18:54
                              Start date (UTC):11/04/2025
                              Path:/tmp/mirai.mpsl.elf
                              Arguments:/tmp/mirai.mpsl.elf
                              File size:5773336 bytes
                              MD5 hash:0d6f61f82cf2f781c6eb0661071d42d9