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Linux Analysis Report
spc.elf

Overview

General Information

Sample name:spc.elf
Analysis ID:1594536
MD5:48392098262ba3c7930302ef9ee2f8db
SHA1:465469c79ea7d9b711767c5afe8b5e942235d555
SHA256:4c4616aa5f130ed5f65b748af9211ae3ff1fcef87c354564ca26476339c1d661
Tags:elfuser-abuse_ch
Infos:

Detection

Score:48
Range:0 - 100
Whitelisted:false

Signatures

Multi AV Scanner detection for submitted file
Detected TCP or UDP traffic on non-standard ports
Sample has stripped symbol table
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

RansomwareSpreadingPhishingBankerTrojan / BotAdwareSpywareExploiterEvaderMinercleansuspiciousmalicious
Joe Sandbox version:42.0.0 Malachite
Analysis ID:1594536
Start date and time:2025-01-19 05:47:06 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 45s
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:MAL
Classification:mal48.linELF@0/0@0/0
Command:/tmp/spc.elf
PID:6236
Exit Code:0
Exit Code Info:
Killed:False
Standard Output:

Standard Error:
  • system is lnxubuntu20
  • spc.elf (PID: 6236, Parent: 6162, MD5: 7dc1c0e23cd5e102bb12e5c29403410e) Arguments: /tmp/spc.elf
    • spc.elf New Fork (PID: 6238, Parent: 6236)
  • cleanup
No yara matches
No Suricata rule has matched

Click to jump to signature section

Show All Signature Results

AV Detection

barindex
Source: spc.elfReversingLabs: Detection: 18%
Source: global trafficTCP traffic: 192.168.2.23:48748 -> 85.239.34.134:5683
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: 85.239.34.134
Source: unknownTCP traffic detected without corresponding DNS query: 85.239.34.134
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: 85.239.34.134
Source: unknownTCP traffic detected without corresponding DNS query: 85.239.34.134
Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknownTCP traffic detected without corresponding DNS query: 85.239.34.134
Source: unknownTCP traffic detected without corresponding DNS query: 85.239.34.134
Source: unknownTCP traffic detected without corresponding DNS query: 85.239.34.134
Source: unknownTCP traffic detected without corresponding DNS query: 85.239.34.134
Source: unknownTCP traffic detected without corresponding DNS query: 85.239.34.134
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: mal48.linELF@0/0@0/0
Source: /tmp/spc.elf (PID: 6236)Queries kernel information via 'uname': Jump to behavior
Source: spc.elf, 6236.1.00005591a7df3000.00005591a7e58000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/sparc
Source: spc.elf, 6236.1.00005591a7df3000.00005591a7e58000.rw-.sdmpBinary or memory string: U!/etc/qemu-binfmt/sparc
Source: spc.elf, 6236.1.00007ffc16cfb000.00007ffc16d1c000.rw-.sdmpBinary or memory string: /usr/bin/qemu-sparc
Source: spc.elf, 6236.1.00007ffc16cfb000.00007ffc16d1c000.rw-.sdmpBinary or memory string: FNx86_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
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-Standard Port
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 Drive1
Application Layer Protocol
Automated ExfiltrationData Encrypted for Impact
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: 1594536 Sample: spc.elf Startdate: 19/01/2025 Architecture: LINUX Score: 48 11 85.239.34.134, 48748, 48750, 5683 RAINBOW-HKRainbownetworklimitedHK Russian Federation 2->11 13 109.202.202.202, 80 INIT7CH Switzerland 2->13 15 2 other IPs or domains 2->15 17 Multi AV Scanner detection for submitted file 2->17 7 spc.elf 2->7         started        signatures3 process4 process5 9 spc.elf 7->9         started       
SourceDetectionScannerLabelLink
spc.elf18%ReversingLabsLinux.Backdoor.Mirai
No Antivirus matches
No Antivirus matches
No Antivirus matches

Download Network PCAP: filteredfull

No contacted domains info
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs
IPDomainCountryFlagASNASN NameMalicious
85.239.34.134
unknownRussian Federation
134121RAINBOW-HKRainbownetworklimitedHKfalse
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):5.813754274610697
                                          TrID:
                                          • ELF Executable and Linkable format (generic) (4004/1) 100.00%
                                          File name:spc.elf
                                          File size:54'808 bytes
                                          MD5:48392098262ba3c7930302ef9ee2f8db
                                          SHA1:465469c79ea7d9b711767c5afe8b5e942235d555
                                          SHA256:4c4616aa5f130ed5f65b748af9211ae3ff1fcef87c354564ca26476339c1d661
                                          SHA512:676426cb24b9d3fe6338789fc8dede1ff9c4e788508dd7c4289f7667cf39eadcec2f6eb9ec223fa3185b9e78da03120ed5f4e3b2dd6d73a29dce4f7697fe616d
                                          SSDEEP:768:iySaZ6PNYVik+f27wGkoXhO+MYSMNxXLae/uIYh2YkkX:dSasNEik++sGkoXRM6GemIYh2Yku
                                          TLSH:B63308B27B650B26D5F1553C90EB536BF3BB4B891C34C21B7A910E08BF999A03153BE4
                                          File Content Preview:.ELF...........................4.........4. ...(.......................`...`..............................2................H...H...H................dt.Q................................@..(....@.2.................#..t..c...`.....!..t..!l..@.....".........`

                                          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:54248
                                          Section Header Size:40
                                          Number of Section Headers:14
                                          Header String Table Index:13
                                          NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
                                          NULL0x00x00x00x00x0000
                                          .initPROGBITS0x100b40xb40x1c0x00x6AX004
                                          .textPROGBITS0x100d00xd00xc8980x00x6AX004
                                          .finiPROGBITS0x1c9680xc9680x140x00x6AX004
                                          .rodataPROGBITS0x1c9800xc9800x3e00x00x2A008
                                          .eh_framePROGBITS0x1d0000xd0000x480x00x3WA004
                                          .tbssNOBITS0x1d0480xd0480x80x00x403WAT004
                                          .ctorsPROGBITS0x1d0480xd0480x80x00x3WA004
                                          .dtorsPROGBITS0x1d0500xd0500x80x00x3WA004
                                          .jcrPROGBITS0x1d0580xd0580x40x00x3WA004
                                          .gotPROGBITS0x1d05c0xd05c0x10c0x40x3WA004
                                          .dataPROGBITS0x1d1680xd1680x2280x00x3WA008
                                          .bssNOBITS0x1d3900xd3900x2f280x00x3WA008
                                          .shstrtabSTRTAB0x00xd3900x580x00x0001
                                          TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
                                          LOAD0x00x100000x100000xcd600xcd605.87060x5R E0x1000.init .text .fini .rodata
                                          LOAD0xd0000x1d0000x1d0000x3900x32b84.45370x6RW 0x1000.eh_frame .tbss .ctors .dtors .jcr .got .data .bss
                                          TLS0xd0480x1d0480x1d0480x00x80.00000x4R 0x4.tbss
                                          GNU_STACK0x00x00x00x00x00.00000x6RW 0x4

                                          Download Network PCAP: filteredfull

                                          • Total Packets: 16
                                          • 5683 undefined
                                          • 443 (HTTPS)
                                          • 80 (HTTP)
                                          TimestampSource PortDest PortSource IPDest IP
                                          Jan 19, 2025 05:47:54.376157045 CET43928443192.168.2.2391.189.91.42
                                          Jan 19, 2025 05:47:55.803127050 CET487485683192.168.2.2385.239.34.134
                                          Jan 19, 2025 05:47:55.808204889 CET56834874885.239.34.134192.168.2.23
                                          Jan 19, 2025 05:47:55.808273077 CET487485683192.168.2.2385.239.34.134
                                          Jan 19, 2025 05:47:59.751471996 CET42836443192.168.2.2391.189.91.43
                                          Jan 19, 2025 05:48:00.519354105 CET4251680192.168.2.23109.202.202.202
                                          Jan 19, 2025 05:48:15.877125025 CET43928443192.168.2.2391.189.91.42
                                          Jan 19, 2025 05:48:26.115684986 CET42836443192.168.2.2391.189.91.43
                                          Jan 19, 2025 05:48:30.211395025 CET4251680192.168.2.23109.202.202.202
                                          Jan 19, 2025 05:48:55.848556995 CET487485683192.168.2.2385.239.34.134
                                          Jan 19, 2025 05:48:55.854209900 CET56834874885.239.34.134192.168.2.23
                                          Jan 19, 2025 05:48:56.072530985 CET56834874885.239.34.134192.168.2.23
                                          Jan 19, 2025 05:48:56.073476076 CET487485683192.168.2.2385.239.34.134
                                          Jan 19, 2025 05:48:56.078991890 CET56834874885.239.34.134192.168.2.23
                                          Jan 19, 2025 05:48:56.831710100 CET43928443192.168.2.2391.189.91.42
                                          Jan 19, 2025 05:48:57.081274033 CET487505683192.168.2.2385.239.34.134
                                          Jan 19, 2025 05:48:57.254215002 CET56834875085.239.34.134192.168.2.23
                                          Jan 19, 2025 05:48:57.254853964 CET487505683192.168.2.2385.239.34.134
                                          Jan 19, 2025 05:48:57.255297899 CET487505683192.168.2.2385.239.34.134
                                          Jan 19, 2025 05:48:57.260751963 CET56834875085.239.34.134192.168.2.23
                                          Jan 19, 2025 05:49:57.305875063 CET487505683192.168.2.2385.239.34.134
                                          Jan 19, 2025 05:49:57.311467886 CET56834875085.239.34.134192.168.2.23
                                          Jan 19, 2025 05:49:57.528106928 CET56834875085.239.34.134192.168.2.23
                                          Jan 19, 2025 05:49:57.528594017 CET487505683192.168.2.2385.239.34.134

                                          System Behavior

                                          Start time (UTC):04:47:55
                                          Start date (UTC):19/01/2025
                                          Path:/tmp/spc.elf
                                          Arguments:/tmp/spc.elf
                                          File size:4379400 bytes
                                          MD5 hash:7dc1c0e23cd5e102bb12e5c29403410e

                                          Start time (UTC):04:47:55
                                          Start date (UTC):19/01/2025
                                          Path:/tmp/spc.elf
                                          Arguments:-
                                          File size:4379400 bytes
                                          MD5 hash:7dc1c0e23cd5e102bb12e5c29403410e