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Linux Analysis Report
re.bot.mips.elf

Overview

General Information

Sample name:re.bot.mips.elf
Analysis ID:1635840
MD5:eab2fdf993df3609270a8ffeb54fa0e4
SHA1:e4463a9d9ce72ed67f03abdef1b88e2b7ef932f0
SHA256:17ff9a0db36dd48f93b56141b7390842cf7c3f76f15b6d8315eb25a1e569c04a
Tags:elfuser-abuse_ch
Infos:

Detection

Score:56
Range:0 - 100

Signatures

Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Executes the "rm" command used to delete files or directories
Sample has stripped symbol table
Uses the "uname" system call to query kernel version information (possible evasion)

Classification

Joe Sandbox version:42.0.0 Malachite
Analysis ID:1635840
Start date and time:2025-03-12 02:41:53 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 46s
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:re.bot.mips.elf
Detection:MAL
Classification:mal56.linELF@0/0@0/0
Command:/tmp/re.bot.mips.elf
PID:6251
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
  • re.bot.mips.elf (PID: 6251, Parent: 6178, MD5: 0083f1f0e77be34ad27f849842bbb00c) Arguments: /tmp/re.bot.mips.elf
  • dash New Fork (PID: 6265, Parent: 4331)
  • rm (PID: 6265, Parent: 4331, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.xCnhxQYEEP /tmp/tmp.jeEIAga1Ya /tmp/tmp.46QdLv5h4M
  • dash New Fork (PID: 6266, Parent: 4331)
  • rm (PID: 6266, Parent: 4331, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.xCnhxQYEEP /tmp/tmp.jeEIAga1Ya /tmp/tmp.46QdLv5h4M
  • cleanup
No yara matches
No Suricata rule has matched

Click to jump to signature section

Show All Signature Results

AV Detection

barindex
Source: re.bot.mips.elfAvira: detected
Source: re.bot.mips.elfReversingLabs: Detection: 13%
Source: unknownTCP traffic detected without corresponding DNS query: 54.171.230.55
Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknownTCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.43
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: unknownNetwork traffic detected: HTTP traffic on port 443 -> 33606
Source: unknownNetwork traffic detected: HTTP traffic on port 33606 -> 443
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: classification engineClassification label: mal56.linELF@0/0@0/0
Source: /usr/bin/dash (PID: 6265)Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.xCnhxQYEEP /tmp/tmp.jeEIAga1Ya /tmp/tmp.46QdLv5h4MJump to behavior
Source: /usr/bin/dash (PID: 6266)Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.xCnhxQYEEP /tmp/tmp.jeEIAga1Ya /tmp/tmp.46QdLv5h4MJump to behavior
Source: /tmp/re.bot.mips.elf (PID: 6251)Queries kernel information via 'uname': Jump to behavior
Source: re.bot.mips.elf, 6251.1.0000563597a28000.0000563597acf000.rw-.sdmpBinary or memory string: 5V!/etc/qemu-binfmt/mips
Source: re.bot.mips.elf, 6251.1.00007ffc29420000.00007ffc29441000.rw-.sdmpBinary or memory string: x86_64/usr/bin/qemu-mips/tmp/re.bot.mips.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/re.bot.mips.elf
Source: re.bot.mips.elf, 6251.1.0000563597a28000.0000563597acf000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/mips
Source: re.bot.mips.elf, 6251.1.00007ffc29420000.00007ffc29441000.rw-.sdmpBinary or memory string: /usr/bin/qemu-mips
Source: re.bot.mips.elf, 6251.1.00007ffc29420000.00007ffc29441000.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 Interception1
File Deletion
OS 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
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
re.bot.mips.elf13%ReversingLabsLinux.Trojan.Mirai
re.bot.mips.elf100%AviraLINUX/GM.Mirai.CJ
No Antivirus matches
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
54.171.230.55
unknownUnited States
16509AMAZON-02USfalse
109.202.202.202
unknownSwitzerland
13030INIT7CHfalse
91.189.91.43
unknownUnited Kingdom
41231CANONICAL-ASGBfalse
91.189.91.42
unknownUnited Kingdom
41231CANONICAL-ASGBfalse
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                                                              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):5.238230486492057
                                                              TrID:
                                                              • ELF Executable and Linkable format (generic) (4004/1) 100.00%
                                                              File name:re.bot.mips.elf
                                                              File size:233'200 bytes
                                                              MD5:eab2fdf993df3609270a8ffeb54fa0e4
                                                              SHA1:e4463a9d9ce72ed67f03abdef1b88e2b7ef932f0
                                                              SHA256:17ff9a0db36dd48f93b56141b7390842cf7c3f76f15b6d8315eb25a1e569c04a
                                                              SHA512:7c42f6ed1ab00cb3ce349e63e7e0476f8e130a0361fe136df87c348fb2fbd3476a3b3861116cfc568940d454edd9a9fddaf491e1de4f30de57254e0a590020f2
                                                              SSDEEP:3072:lVi4gSQS7lyHH8nnDtQul5vn5LWjPpjoLqusZyhGn5z:lVbgSNf55LGbn5z
                                                              TLSH:FF34965E2A638FBDF268863147F74930966D22D617F1D644E29CC5006F3079E681FBAC
                                                              File Content Preview:.ELF.....................@.p...4...p.....4. ...(.............@...@....5...5...............5..G5..G5...V8............dt.Q............................<...'..\...!'.......................<...'..8...!... ....'9... ......................<...'......!...$....'9.

                                                              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:232560
                                                              Section Header Size:40
                                                              Number of Section Headers:16
                                                              Header String Table Index:15
                                                              NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
                                                              NULL0x00x00x00x00x0000
                                                              .initPROGBITS0x4000940x940x8c0x00x6AX004
                                                              .textPROGBITS0x4001200x1200x30e900x00x6AX0016
                                                              .finiPROGBITS0x430fb00x30fb00x5c0x00x6AX004
                                                              .rodataPROGBITS0x4310100x310100x25b40x00x2A0016
                                                              .eh_framePROGBITS0x4735c40x335c40x40x00x3WA004
                                                              .ctorsPROGBITS0x4735c80x335c80x180x00x3WA004
                                                              .dtorsPROGBITS0x4735e00x335e00x100x00x3WA004
                                                              .jcrPROGBITS0x4735f00x335f00x40x00x3WA004
                                                              .data.rel.roPROGBITS0x4735f40x335f40x780x00x3WA004
                                                              .dataPROGBITS0x4736800x336800x46800x00x3WA0032
                                                              .gotPROGBITS0x477d000x37d000xefc0x40x10000003WAp0016
                                                              .sbssNOBITS0x478bfc0x38bfc0x440x00x10000003WAp004
                                                              .bssNOBITS0x478c400x38bfc0x4d540x00x3WA0016
                                                              .mdebug.abi32PROGBITS0x177c0x38bfc0x00x00x0001
                                                              .shstrtabSTRTAB0x00x38bfc0x730x00x0001
                                                              TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
                                                              LOAD0x00x4000000x4000000x335c40x335c45.53700x5R E0x10000.init .text .fini .rodata
                                                              LOAD0x335c40x4735c40x4735c40x56380xa3d01.11130x6RW 0x10000.eh_frame .ctors .dtors .jcr .data.rel.ro .data .got .sbss .bss
                                                              GNU_STACK0x00x00x00x00x00.00000x7RWE0x4
                                                              TimestampSource PortDest PortSource IPDest IP
                                                              Mar 12, 2025 02:42:52.444475889 CET4433360654.171.230.55192.168.2.23
                                                              Mar 12, 2025 02:42:52.444622040 CET33606443192.168.2.2354.171.230.55
                                                              Mar 12, 2025 02:42:52.449351072 CET4433360654.171.230.55192.168.2.23
                                                              Mar 12, 2025 02:42:52.583336115 CET43928443192.168.2.2391.189.91.42
                                                              Mar 12, 2025 02:42:55.143040895 CET4251680192.168.2.23109.202.202.202
                                                              Mar 12, 2025 02:42:58.214699984 CET42836443192.168.2.2391.189.91.43
                                                              Mar 12, 2025 02:43:12.804658890 CET43928443192.168.2.2391.189.91.42
                                                              Mar 12, 2025 02:43:25.090997934 CET42836443192.168.2.2391.189.91.43
                                                              Mar 12, 2025 02:43:25.090997934 CET4251680192.168.2.23109.202.202.202
                                                              Mar 12, 2025 02:43:53.758984089 CET43928443192.168.2.2391.189.91.42

                                                              System Behavior

                                                              Start time (UTC):01:42:48
                                                              Start date (UTC):12/03/2025
                                                              Path:/tmp/re.bot.mips.elf
                                                              Arguments:/tmp/re.bot.mips.elf
                                                              File size:5777432 bytes
                                                              MD5 hash:0083f1f0e77be34ad27f849842bbb00c

                                                              Start time (UTC):01:42:51
                                                              Start date (UTC):12/03/2025
                                                              Path:/usr/bin/dash
                                                              Arguments:-
                                                              File size:129816 bytes
                                                              MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                                                              Start time (UTC):01:42:51
                                                              Start date (UTC):12/03/2025
                                                              Path:/usr/bin/rm
                                                              Arguments:rm -f /tmp/tmp.xCnhxQYEEP /tmp/tmp.jeEIAga1Ya /tmp/tmp.46QdLv5h4M
                                                              File size:72056 bytes
                                                              MD5 hash:aa2b5496fdbfd88e38791ab81f90b95b

                                                              Start time (UTC):01:42:51
                                                              Start date (UTC):12/03/2025
                                                              Path:/usr/bin/dash
                                                              Arguments:-
                                                              File size:129816 bytes
                                                              MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                                                              Start time (UTC):01:42:51
                                                              Start date (UTC):12/03/2025
                                                              Path:/usr/bin/rm
                                                              Arguments:rm -f /tmp/tmp.xCnhxQYEEP /tmp/tmp.jeEIAga1Ya /tmp/tmp.46QdLv5h4M
                                                              File size:72056 bytes
                                                              MD5 hash:aa2b5496fdbfd88e38791ab81f90b95b