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Linux Analysis Report
spc.elf

Overview

General Information

Sample name:spc.elf
Analysis ID:1542344
MD5:4317cb5d0b025ff3ee98838c0cae11db
SHA1:5be2069c4de16f4bb025e3d50a6b3b628840d3ef
SHA256:0811c87ddbfef53685f2a7a5808eaa7ab59dc1f47c6f74f5bf34cc48ffa9918b
Tags:elfuser-abuse_ch
Infos:

Detection

Score:1
Range:0 - 100
Whitelisted:false

Signatures

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:41.0.0 Charoite
Analysis ID:1542344
Start date and time:2024-10-25 20:02:05 +02:00
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:spc.elf
Detection:CLEAN
Classification:clean1.linELF@0/0@0/0
  • VT rate limit hit for: spc.elf
Command:/tmp/spc.elf
PID:6231
Exit Code:0
Exit Code Info:
Killed:False
Standard Output:

Standard Error:
  • system is lnxubuntu20
  • spc.elf (PID: 6231, Parent: 6154, MD5: 7dc1c0e23cd5e102bb12e5c29403410e) Arguments: /tmp/spc.elf
  • dash New Fork (PID: 6268, Parent: 4332)
  • rm (PID: 6268, Parent: 4332, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.UkvbpLCbEf /tmp/tmp.sMwP72AK1y /tmp/tmp.A0rpXYDhiz
  • dash New Fork (PID: 6269, Parent: 4332)
  • rm (PID: 6269, Parent: 4332, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.UkvbpLCbEf /tmp/tmp.sMwP72AK1y /tmp/tmp.A0rpXYDhiz
  • cleanup
No yara matches
No Suricata rule has matched

Click to jump to signature section

Show All Signature Results

There are no malicious signatures, click here to show all signatures.

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: 54.171.230.55
Source: unknownTCP traffic detected without corresponding DNS query: 54.171.230.55
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 43928 -> 443
Source: unknownNetwork traffic detected: HTTP traffic on port 33606 -> 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: clean1.linELF@0/0@0/0
Source: /usr/bin/dash (PID: 6268)Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.UkvbpLCbEf /tmp/tmp.sMwP72AK1y /tmp/tmp.A0rpXYDhizJump to behavior
Source: /usr/bin/dash (PID: 6269)Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.UkvbpLCbEf /tmp/tmp.sMwP72AK1y /tmp/tmp.A0rpXYDhizJump to behavior
Source: /tmp/spc.elf (PID: 6231)Queries kernel information via 'uname': Jump to behavior
Source: spc.elf, 6231.1.00005586cf432000.00005586cf497000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/sparc
Source: spc.elf, 6231.1.00005586cf432000.00005586cf497000.rw-.sdmpBinary or memory string: U!/etc/qemu-binfmt/sparc
Source: spc.elf, 6231.1.00007fffe7dec000.00007fffe7e0d000.rw-.sdmpBinary or memory string: x86_64/usr/bin/qemu-sparc/tmp/spc.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/spc.elf
Source: spc.elf, 6231.1.00007fffe7dec000.00007fffe7e0d000.rw-.sdmpBinary or memory string: /usr/bin/qemu-sparc
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
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1542344 Sample: spc.elf Startdate: 25/10/2024 Architecture: LINUX Score: 1 11 109.202.202.202, 80 INIT7CH Switzerland 2->11 13 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->13 15 2 other IPs or domains 2->15 5 dash rm 2->5         started        7 dash rm 2->7         started        9 spc.elf 2->9         started        process3
No Antivirus matches
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, SPARC, version 1 (SYSV), statically linked, stripped
                      Entropy (8bit):5.648672191084967
                      TrID:
                      • ELF Executable and Linkable format (generic) (4004/1) 100.00%
                      File name:spc.elf
                      File size:54'840 bytes
                      MD5:4317cb5d0b025ff3ee98838c0cae11db
                      SHA1:5be2069c4de16f4bb025e3d50a6b3b628840d3ef
                      SHA256:0811c87ddbfef53685f2a7a5808eaa7ab59dc1f47c6f74f5bf34cc48ffa9918b
                      SHA512:dc14dffe88ac1c7463ee378cd7d87e5a542030537291ef6fe345afad13deca0b0be00545adab5e46b2fb0e01b85b215bae747f667ace6901e2f5fbfc56f7b0bd
                      SSDEEP:768:PrGMerBXEO+lNbQitLPkXttww6XI9LsE9RjIEFZj3j1:PZerBXel1O7ww6XI9LsE9RjxZTR
                      TLSH:FE3329B27BA50B37C4E0953890E7A32FB2FB47892474860B7A914E8C7F9C96131537E4
                      File Content Preview:.ELF...........................4.........4. ...(..........................................................2................H...H...H................dt.Q................................@..(....@.0=................#..t..c...`.....!..t..!...@.....".........`

                      ELF header

                      Class:ELF32
                      Data:2's complement, big endian
                      Version:1 (current)
                      Machine:Sparc
                      Version Number:0x1
                      Type:EXEC (Executable file)
                      OS/ABI:UNIX - System V
                      ABI Version:0
                      Entry Point Address:0x101c4
                      Flags:0x0
                      ELF Header Size:52
                      Program Header Offset:52
                      Program Header Size:32
                      Number of Program Headers:4
                      Section Header Offset:54280
                      Section Header Size:40
                      Number of Section Headers:14
                      Header String Table Index:13
                      NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
                      NULL0x00x00x00x00x0000
                      .initPROGBITS0x100b40xb40x1c0x00x6AX004
                      .textPROGBITS0x100d00xd00xc12c0x00x6AX004
                      .finiPROGBITS0x1c1fc0xc1fc0x140x00x6AX004
                      .rodataPROGBITS0x1c2100xc2100x4d00x00x2A008
                      .eh_framePROGBITS0x1d0000xd0000x480x00x3WA004
                      .tbssNOBITS0x1d0480xd0480x80x00x403WAT004
                      .ctorsPROGBITS0x1d0480xd0480x80x00x3WA004
                      .dtorsPROGBITS0x1d0500xd0500x80x00x3WA004
                      .jcrPROGBITS0x1d0580xd0580x40x00x3WA004
                      .gotPROGBITS0x1d05c0xd05c0x1480x40x3WA004
                      .dataPROGBITS0x1d1a80xd1a80x2080x00x3WA008
                      .bssNOBITS0x1d3b00xd3b00x2ee80x00x3WA008
                      .shstrtabSTRTAB0x00xd3b00x580x00x0001
                      TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
                      LOAD0x00x100000x100000xc6e00xc6e05.81650x5R E0x1000.init .text .fini .rodata
                      LOAD0xd0000x1d0000x1d0000x3b00x32984.31160x6RW 0x1000.eh_frame .tbss .ctors .dtors .jcr .got .data .bss
                      TLS0xd0480x1d0480x1d0480x00x80.00000x4R 0x4.tbss
                      GNU_STACK0x00x00x00x00x00.00000x6RW 0x4
                      TimestampSource PortDest PortSource IPDest IP
                      Oct 25, 2024 20:02:51.899082899 CEST43928443192.168.2.2391.189.91.42
                      Oct 25, 2024 20:02:57.274455070 CEST42836443192.168.2.2391.189.91.43
                      Oct 25, 2024 20:02:58.810197115 CEST4251680192.168.2.23109.202.202.202
                      Oct 25, 2024 20:03:13.144207001 CEST43928443192.168.2.2391.189.91.42
                      Oct 25, 2024 20:03:23.382833958 CEST42836443192.168.2.2391.189.91.43
                      Oct 25, 2024 20:03:27.580290079 CEST33606443192.168.2.2354.171.230.55
                      Oct 25, 2024 20:03:27.587088108 CEST4433360654.171.230.55192.168.2.23
                      Oct 25, 2024 20:03:27.587193012 CEST33606443192.168.2.2354.171.230.55
                      Oct 25, 2024 20:03:29.526015043 CEST4251680192.168.2.23109.202.202.202
                      Oct 25, 2024 20:03:54.098596096 CEST43928443192.168.2.2391.189.91.42

                      System Behavior

                      Start time (UTC):18:02:51
                      Start date (UTC):25/10/2024
                      Path:/tmp/spc.elf
                      Arguments:/tmp/spc.elf
                      File size:4379400 bytes
                      MD5 hash:7dc1c0e23cd5e102bb12e5c29403410e

                      Start time (UTC):18:03:26
                      Start date (UTC):25/10/2024
                      Path:/usr/bin/dash
                      Arguments:-
                      File size:129816 bytes
                      MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                      Start time (UTC):18:03:26
                      Start date (UTC):25/10/2024
                      Path:/usr/bin/rm
                      Arguments:rm -f /tmp/tmp.UkvbpLCbEf /tmp/tmp.sMwP72AK1y /tmp/tmp.A0rpXYDhiz
                      File size:72056 bytes
                      MD5 hash:aa2b5496fdbfd88e38791ab81f90b95b

                      Start time (UTC):18:03:26
                      Start date (UTC):25/10/2024
                      Path:/usr/bin/dash
                      Arguments:-
                      File size:129816 bytes
                      MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                      Start time (UTC):18:03:26
                      Start date (UTC):25/10/2024
                      Path:/usr/bin/rm
                      Arguments:rm -f /tmp/tmp.UkvbpLCbEf /tmp/tmp.sMwP72AK1y /tmp/tmp.A0rpXYDhiz
                      File size:72056 bytes
                      MD5 hash:aa2b5496fdbfd88e38791ab81f90b95b