Loading Joe Sandbox Report ...

Edit tour

Linux Analysis Report
t1.elf

Overview

General Information

Sample name:t1.elf
Analysis ID:1589599
MD5:6de0425757a7aa8786412644e91d1c31
SHA1:7c13fa21fea5ca7d152836602f625f34b67f491c
SHA256:bf223434e86e370c19ec5e0c731a36cb68f35e8eb728fc2eff91f79259fc1ea2
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
Sample has stripped symbol table
Sample tries to kill a process (SIGKILL)
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
Uses the "uname" system call to query kernel version information (possible evasion)

Classification

Joe Sandbox version:42.0.0 Malachite
Analysis ID:1589599
Start date and time:2025-01-12 22:57:05 +01:00
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:t1.elf
Detection:MAL
Classification:mal48.linELF@0/0@0/0
Command:/tmp/t1.elf
PID:6255
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
  • t1.elf (PID: 6255, Parent: 6177, MD5: 0083f1f0e77be34ad27f849842bbb00c) Arguments: /tmp/t1.elf
  • cleanup
No yara matches
No Suricata rule has matched

Click to jump to signature section

Show All Signature Results

AV Detection

barindex
Source: t1.elfReversingLabs: Detection: 23%
Source: global trafficTCP traffic: 192.168.2.23:43928 -> 91.189.91.42:443
Source: global trafficTCP traffic: 192.168.2.23:42836 -> 91.189.91.43:443
Source: global trafficTCP traffic: 192.168.2.23:42516 -> 109.202.202.202:80
Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknownTCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknownTCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.43
Source: t1.elf, 6255.1.00007f0ad045a000.00007f0ad045e000.rw-.sdmpString found in binary or memory: http://1/wget.sh
Source: t1.elf, 6255.1.00007f0ad045a000.00007f0ad045e000.rw-.sdmpString found in binary or memory: http://9/curl.sh
Source: t1.elf, 6255.1.00007f0ad045a000.00007f0ad045e000.rw-.sdmpString found in binary or memory: http://schemas.xmlsoap.org/soap/encoding/
Source: t1.elf, 6255.1.00007f0ad045a000.00007f0ad045e000.rw-.sdmpString found in binary or memory: http://schemas.xmlsoap.org/soap/envelope/
Source: unknownNetwork traffic detected: HTTP traffic on port 43928 -> 443
Source: unknownNetwork traffic detected: HTTP traffic on port 42836 -> 443
Source: ELF static info symbol of initial sample.symtab present: no
Source: /tmp/t1.elf (PID: 6255)SIGKILL sent: pid: 884, result: successfulJump to behavior
Source: classification engineClassification label: mal48.linELF@0/0@0/0
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/6255/statusJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/491/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/491/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/1/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/1/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/793/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/793/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/761/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/761/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/772/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/772/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/774/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/774/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/785/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/785/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/796/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/796/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/884/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/884/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/720/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/720/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/797/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/797/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/721/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/721/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/777/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/777/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/788/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/788/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/799/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/799/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/789/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/789/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/800/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/800/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/658/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/658/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/801/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/801/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/759/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/759/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/847/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)File opened: /proc/847/cmdlineJump to behavior
Source: /tmp/t1.elf (PID: 6255)Queries kernel information via 'uname': Jump to behavior
Source: t1.elf, 6255.1.0000559e0bcd8000.0000559e0bd80000.rw-.sdmpBinary or memory string: U!/etc/qemu-binfmt/mips
Source: t1.elf, 6255.1.00007ffce64e7000.00007ffce6508000.rw-.sdmpBinary or memory string: /x86_64/usr/bin/qemu-mips/tmp/t1.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/t1.elf
Source: t1.elf, 6255.1.0000559e0bcd8000.0000559e0bd80000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/mips
Source: t1.elf, 6255.1.00007ffce64e7000.00007ffce6508000.rw-.sdmpBinary or memory string: /usr/bin/qemu-mips
Source: t1.elf, 6255.1.00007ffce64e7000.00007ffce6508000.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 InformationAcquire InfrastructureValid AccountsWindows Management InstrumentationPath InterceptionPath InterceptionDirect Volume Access1
OS Credential Dumping
11
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
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
t1.elf24%ReversingLabsLinux.Trojan.Mirai
No Antivirus matches
No Antivirus matches
No Antivirus matches
No contacted domains info
NameSourceMaliciousAntivirus DetectionReputation
http://1/wget.sht1.elf, 6255.1.00007f0ad045a000.00007f0ad045e000.rw-.sdmpfalse
    high
    http://schemas.xmlsoap.org/soap/encoding/t1.elf, 6255.1.00007f0ad045a000.00007f0ad045e000.rw-.sdmpfalse
      high
      http://9/curl.sht1.elf, 6255.1.00007f0ad045a000.00007f0ad045e000.rw-.sdmpfalse
        high
        http://schemas.xmlsoap.org/soap/envelope/t1.elf, 6255.1.00007f0ad045a000.00007f0ad045e000.rw-.sdmpfalse
          high
          • No. of IPs < 25%
          • 25% < No. of IPs < 50%
          • 50% < No. of IPs < 75%
          • 75% < No. of IPs
          IPDomainCountryFlagASNASN NameMalicious
          109.202.202.202
          unknownSwitzerland
          13030INIT7CHfalse
          91.189.91.43
          unknownUnited Kingdom
          41231CANONICAL-ASGBfalse
          91.189.91.42
          unknownUnited Kingdom
          41231CANONICAL-ASGBfalse
          MatchAssociated Sample Name / URLSHA 256DetectionThreat NameLinkContext
          109.202.202.202kpLwzBouH4.elfGet hashmaliciousUnknownBrowse
          • ch.archive.ubuntu.com/ubuntu/pool/main/f/firefox/firefox_92.0%2bbuild3-0ubuntu0.20.04.1_amd64.deb
          91.189.91.43g1.elfGet hashmaliciousUnknownBrowse
            la.bot.arc.elfGet hashmaliciousMiraiBrowse
              camp.x86.elfGet hashmaliciousMiraiBrowse
                arm5.elfGet hashmaliciousMiraiBrowse
                  mpsl.elfGet hashmaliciousMiraiBrowse
                    la.bot.sparc.elfGet hashmaliciousMiraiBrowse
                      Cinquento.arm.elfGet hashmaliciousMiraiBrowse
                        la.bot.sh4.elfGet hashmaliciousMiraiBrowse
                          Cinquento.mpsl.elfGet hashmaliciousMiraiBrowse
                            2.elfGet hashmaliciousUnknownBrowse
                              91.189.91.42g1.elfGet hashmaliciousUnknownBrowse
                                la.bot.arc.elfGet hashmaliciousMiraiBrowse
                                  camp.x86.elfGet hashmaliciousMiraiBrowse
                                    arm5.elfGet hashmaliciousMiraiBrowse
                                      mpsl.elfGet hashmaliciousMiraiBrowse
                                        la.bot.sparc.elfGet hashmaliciousMiraiBrowse
                                          Cinquento.arm.elfGet hashmaliciousMiraiBrowse
                                            la.bot.sh4.elfGet hashmaliciousMiraiBrowse
                                              Cinquento.mpsl.elfGet hashmaliciousMiraiBrowse
                                                2.elfGet hashmaliciousUnknownBrowse
                                                  No context
                                                  MatchAssociated Sample Name / URLSHA 256DetectionThreat NameLinkContext
                                                  CANONICAL-ASGBg1.elfGet hashmaliciousUnknownBrowse
                                                  • 91.189.91.42
                                                  la.bot.arc.elfGet hashmaliciousMiraiBrowse
                                                  • 91.189.91.42
                                                  camp.x86.elfGet hashmaliciousMiraiBrowse
                                                  • 91.189.91.42
                                                  arm5.elfGet hashmaliciousMiraiBrowse
                                                  • 91.189.91.42
                                                  mpsl.elfGet hashmaliciousMiraiBrowse
                                                  • 91.189.91.42
                                                  la.bot.sparc.elfGet hashmaliciousMiraiBrowse
                                                  • 91.189.91.42
                                                  Cinquento.arm.elfGet hashmaliciousMiraiBrowse
                                                  • 91.189.91.42
                                                  la.bot.sh4.elfGet hashmaliciousMiraiBrowse
                                                  • 91.189.91.42
                                                  Cinquento.mpsl.elfGet hashmaliciousMiraiBrowse
                                                  • 91.189.91.42
                                                  Cinquento.spc.elfGet hashmaliciousMiraiBrowse
                                                  • 185.125.190.26
                                                  CANONICAL-ASGBg1.elfGet hashmaliciousUnknownBrowse
                                                  • 91.189.91.42
                                                  la.bot.arc.elfGet hashmaliciousMiraiBrowse
                                                  • 91.189.91.42
                                                  camp.x86.elfGet hashmaliciousMiraiBrowse
                                                  • 91.189.91.42
                                                  arm5.elfGet hashmaliciousMiraiBrowse
                                                  • 91.189.91.42
                                                  mpsl.elfGet hashmaliciousMiraiBrowse
                                                  • 91.189.91.42
                                                  la.bot.sparc.elfGet hashmaliciousMiraiBrowse
                                                  • 91.189.91.42
                                                  Cinquento.arm.elfGet hashmaliciousMiraiBrowse
                                                  • 91.189.91.42
                                                  la.bot.sh4.elfGet hashmaliciousMiraiBrowse
                                                  • 91.189.91.42
                                                  Cinquento.mpsl.elfGet hashmaliciousMiraiBrowse
                                                  • 91.189.91.42
                                                  Cinquento.spc.elfGet hashmaliciousMiraiBrowse
                                                  • 185.125.190.26
                                                  INIT7CHg1.elfGet hashmaliciousUnknownBrowse
                                                  • 109.202.202.202
                                                  la.bot.arc.elfGet hashmaliciousMiraiBrowse
                                                  • 109.202.202.202
                                                  camp.x86.elfGet hashmaliciousMiraiBrowse
                                                  • 109.202.202.202
                                                  arm5.elfGet hashmaliciousMiraiBrowse
                                                  • 109.202.202.202
                                                  mpsl.elfGet hashmaliciousMiraiBrowse
                                                  • 109.202.202.202
                                                  la.bot.sparc.elfGet hashmaliciousMiraiBrowse
                                                  • 109.202.202.202
                                                  Cinquento.arm.elfGet hashmaliciousMiraiBrowse
                                                  • 109.202.202.202
                                                  la.bot.sh4.elfGet hashmaliciousMiraiBrowse
                                                  • 109.202.202.202
                                                  Cinquento.mpsl.elfGet hashmaliciousMiraiBrowse
                                                  • 109.202.202.202
                                                  2.elfGet hashmaliciousUnknownBrowse
                                                  • 109.202.202.202
                                                  No context
                                                  No context
                                                  No created / dropped files found
                                                  File type:ELF 32-bit MSB executable, MIPS, MIPS-I version 1 (SYSV), statically linked, stripped
                                                  Entropy (8bit):5.546563955931198
                                                  TrID:
                                                  • ELF Executable and Linkable format (generic) (4004/1) 100.00%
                                                  File name:t1.elf
                                                  File size:103'500 bytes
                                                  MD5:6de0425757a7aa8786412644e91d1c31
                                                  SHA1:7c13fa21fea5ca7d152836602f625f34b67f491c
                                                  SHA256:bf223434e86e370c19ec5e0c731a36cb68f35e8eb728fc2eff91f79259fc1ea2
                                                  SHA512:51d06dca7adc42ce97d5a61b521fbbcce8cd596049f526dc58a599dd666ee1e02660ed942076d8cfcadafc2241b6dbe7790daec529aa90ad3c891dc6cf38c694
                                                  SSDEEP:1536:V+bhVQxD9N4y/SH3AKlz0410yejq/yxMvoLAdiXfgpS1zm5qLIjEbMpGC5ypHCpk:obMxD9N33oz4j2NTyMJTGrh
                                                  TLSH:BCA3B65D6E664FACF39AC7358BB7CD319258338223A2D540E1ACDA115E6034E7C0FB69
                                                  File Content Preview:.ELF.....................@.p...4.........4. ...(.............@...@..... ... ............... .E. .E. ...d..48........dt.Q............................<...'......!'.......................<...'..h...!........'9... ......................<...'..8...!... ....'9i

                                                  ELF header

                                                  Class:ELF32
                                                  Data:2's complement, big 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:102900
                                                  Section Header Size:40
                                                  Number of Section Headers:15
                                                  Header String Table Index:14
                                                  NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
                                                  NULL0x00x00x00x00x0000
                                                  .initPROGBITS0x4000940x940x8c0x00x6AX004
                                                  .textPROGBITS0x4001200x1200x168a00x00x6AX0016
                                                  .finiPROGBITS0x4169c00x169c00x5c0x00x6AX004
                                                  .rodataPROGBITS0x416a200x16a200x1d000x00x2A0016
                                                  .eh_framePROGBITS0x4587200x187200x40x00x3WA004
                                                  .ctorsPROGBITS0x4587240x187240x80x00x3WA004
                                                  .dtorsPROGBITS0x45872c0x1872c0x80x00x3WA004
                                                  .data.rel.roPROGBITS0x4587380x187380xc0x00x3WA004
                                                  .dataPROGBITS0x4587500x187500x4d80x00x3WA0016
                                                  .gotPROGBITS0x458c300x18c300x5540x40x10000003WAp0016
                                                  .sbssNOBITS0x4591840x191840x180x00x10000003WAp004
                                                  .bssNOBITS0x4591a00x191840x29b80x00x3WA0016
                                                  .mdebug.abi32PROGBITS0x9d80x191840x00x00x0001
                                                  .shstrtabSTRTAB0x00x191840x6e0x00x0001
                                                  TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
                                                  LOAD0x00x4000000x4000000x187200x187205.53350x5R E0x10000.init .text .fini .rodata
                                                  LOAD0x187200x4587200x4587200xa640x34385.24490x6RW 0x10000.eh_frame .ctors .dtors .data.rel.ro .data .got .sbss .bss
                                                  GNU_STACK0x00x00x00x00x00.00000x7RWE0x4
                                                  TimestampSource PortDest PortSource IPDest IP
                                                  Jan 12, 2025 22:57:54.238405943 CET43928443192.168.2.2391.189.91.42
                                                  Jan 12, 2025 22:57:59.617503881 CET42836443192.168.2.2391.189.91.43
                                                  Jan 12, 2025 22:58:00.383359909 CET4251680192.168.2.23109.202.202.202
                                                  Jan 12, 2025 22:58:15.483470917 CET43928443192.168.2.2391.189.91.42
                                                  Jan 12, 2025 22:58:25.721961975 CET42836443192.168.2.2391.189.91.43
                                                  Jan 12, 2025 22:58:29.817471027 CET4251680192.168.2.23109.202.202.202
                                                  Jan 12, 2025 22:58:56.437619925 CET43928443192.168.2.2391.189.91.42
                                                  Jan 12, 2025 22:59:16.914694071 CET42836443192.168.2.2391.189.91.43

                                                  System Behavior

                                                  Start time (UTC):21:57:56
                                                  Start date (UTC):12/01/2025
                                                  Path:/tmp/t1.elf
                                                  Arguments:/tmp/t1.elf
                                                  File size:5777432 bytes
                                                  MD5 hash:0083f1f0e77be34ad27f849842bbb00c