Edit tour

Linux Analysis Report
.i.elf

Overview

General Information

Sample name:.i.elf
Analysis ID:1586895
MD5:23efd4f38ee5e383dfcc2e52811cc3f0
SHA1:035c3716b78eb3515528d09a81c19445effe88c6
SHA256:dc0b00a58702dc5a4c8497085835b59af160ab6679fd5519340b088816c225d6
Tags:elfuser-abuse_ch
Infos:

Detection

Score:56
Range:0 - 100
Whitelisted:false

Signatures

Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
ELF contains segments with high entropy indicating compressed/encrypted content
Sample contains only a LOAD segment without any section mappings
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:1586895
Start date and time:2025-01-09 18:32:07 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 34s
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:.i.elf
Detection:MAL
Classification:mal56.linELF@0/0@0/0
  • VT rate limit hit for: .i.elf
Command:/tmp/.i.elf
PID:6228
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
  • .i.elf (PID: 6228, Parent: 6149, MD5: 0083f1f0e77be34ad27f849842bbb00c) Arguments: /tmp/.i.elf
  • cleanup
No yara matches
No Suricata rule has matched

Click to jump to signature section

Show All Signature Results

AV Detection

barindex
Source: .i.elfAvira: detected
Source: .i.elfReversingLabs: Detection: 52%
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: unknownNetwork traffic detected: HTTP traffic on port 43928 -> 443
Source: unknownNetwork traffic detected: HTTP traffic on port 42836 -> 443
Source: LOAD without section mappingsProgram segment: 0x100000
Source: classification engineClassification label: mal56.linELF@0/0@0/0
Source: .i.elfSubmission file: segment LOAD with 7.9814 entropy (max. 8.0)
Source: /tmp/.i.elf (PID: 6228)Queries kernel information via 'uname': Jump to behavior
Source: .i.elf, 6228.1.0000563a8dfa3000.0000563a8e02a000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/mips
Source: .i.elf, 6228.1.00007ffcdf7ef000.00007ffcdf810000.rw-.sdmpBinary or memory string: (x86_64/usr/bin/qemu-mips/tmp/.i.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/.i.elf
Source: .i.elf, 6228.1.00007ffcdf7ef000.00007ffcdf810000.rw-.sdmpBinary or memory string: /usr/bin/qemu-mips
Source: .i.elf, 6228.1.0000563a8dfa3000.0000563a8e02a000.rw-.sdmpBinary or memory string: :V!/etc/qemu-binfmt/mips
Source: .i.elf, 6228.1.00007ffcdf7ef000.00007ffcdf810000.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
Obfuscated Files or Information
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: 1586895 Sample: .i.elf Startdate: 09/01/2025 Architecture: LINUX Score: 56 8 109.202.202.202, 80 INIT7CH Switzerland 2->8 10 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->10 12 91.189.91.43, 443 CANONICAL-ASGB United Kingdom 2->12 14 Antivirus / Scanner detection for submitted sample 2->14 16 Multi AV Scanner detection for submitted file 2->16 6 .i.elf 2->6         started        signatures3 process4
SourceDetectionScannerLabelLink
.i.elf53%ReversingLabsLinux.Infostealer.Berbew
.i.elf100%AviraLINUX/AVA.Agent.caaru
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
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
91.189.91.43main_arm.elfGet hashmaliciousMiraiBrowse
    i.elfGet hashmaliciousUnknownBrowse
      main_arm.elfGet hashmaliciousMiraiBrowse
        main_x86.elfGet hashmaliciousMiraiBrowse
          2.elfGet hashmaliciousUnknownBrowse
            arm5.elfGet hashmaliciousUnknownBrowse
              x864433.elfGet hashmaliciousUnknownBrowse
                sst.elfGet hashmaliciousGafgytBrowse
                  ssx.elfGet hashmaliciousGafgytBrowse
                    sss.elfGet hashmaliciousGafgytBrowse
                      91.189.91.42main_arm.elfGet hashmaliciousMiraiBrowse
                        i.elfGet hashmaliciousUnknownBrowse
                          main_arm.elfGet hashmaliciousMiraiBrowse
                            main_x86.elfGet hashmaliciousMiraiBrowse
                              2.elfGet hashmaliciousUnknownBrowse
                                arm5.elfGet hashmaliciousUnknownBrowse
                                  x864433.elfGet hashmaliciousUnknownBrowse
                                    sst.elfGet hashmaliciousGafgytBrowse
                                      ssx.elfGet hashmaliciousGafgytBrowse
                                        sss.elfGet hashmaliciousGafgytBrowse
                                          No context
                                          MatchAssociated Sample Name / URLSHA 256DetectionThreat NameLinkContext
                                          CANONICAL-ASGBmain_arm.elfGet hashmaliciousMiraiBrowse
                                          • 91.189.91.42
                                          main_x86.elfGet hashmaliciousMiraiBrowse
                                          • 185.125.190.26
                                          i.elfGet hashmaliciousUnknownBrowse
                                          • 91.189.91.42
                                          main_arm.elfGet hashmaliciousMiraiBrowse
                                          • 91.189.91.42
                                          main_x86.elfGet hashmaliciousMiraiBrowse
                                          • 91.189.91.42
                                          2.elfGet hashmaliciousUnknownBrowse
                                          • 91.189.91.42
                                          arm5.elfGet hashmaliciousUnknownBrowse
                                          • 91.189.91.42
                                          mips.elfGet hashmaliciousMiraiBrowse
                                          • 185.125.190.26
                                          x864433.elfGet hashmaliciousUnknownBrowse
                                          • 91.189.91.42
                                          sst.elfGet hashmaliciousGafgytBrowse
                                          • 91.189.91.42
                                          CANONICAL-ASGBmain_arm.elfGet hashmaliciousMiraiBrowse
                                          • 91.189.91.42
                                          main_x86.elfGet hashmaliciousMiraiBrowse
                                          • 185.125.190.26
                                          i.elfGet hashmaliciousUnknownBrowse
                                          • 91.189.91.42
                                          main_arm.elfGet hashmaliciousMiraiBrowse
                                          • 91.189.91.42
                                          main_x86.elfGet hashmaliciousMiraiBrowse
                                          • 91.189.91.42
                                          2.elfGet hashmaliciousUnknownBrowse
                                          • 91.189.91.42
                                          arm5.elfGet hashmaliciousUnknownBrowse
                                          • 91.189.91.42
                                          mips.elfGet hashmaliciousMiraiBrowse
                                          • 185.125.190.26
                                          x864433.elfGet hashmaliciousUnknownBrowse
                                          • 91.189.91.42
                                          sst.elfGet hashmaliciousGafgytBrowse
                                          • 91.189.91.42
                                          INIT7CHmain_arm.elfGet hashmaliciousMiraiBrowse
                                          • 109.202.202.202
                                          Fantazy.spc.elfGet hashmaliciousUnknownBrowse
                                          • 85.195.212.32
                                          i.elfGet hashmaliciousUnknownBrowse
                                          • 109.202.202.202
                                          main_arm.elfGet hashmaliciousMiraiBrowse
                                          • 109.202.202.202
                                          main_x86.elfGet hashmaliciousMiraiBrowse
                                          • 109.202.202.202
                                          2.elfGet hashmaliciousUnknownBrowse
                                          • 109.202.202.202
                                          arm5.elfGet hashmaliciousUnknownBrowse
                                          • 109.202.202.202
                                          x864433.elfGet hashmaliciousUnknownBrowse
                                          • 109.202.202.202
                                          sst.elfGet hashmaliciousGafgytBrowse
                                          • 109.202.202.202
                                          ssx.elfGet hashmaliciousGafgytBrowse
                                          • 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, no section header
                                          Entropy (8bit):7.981357494615492
                                          TrID:
                                          • ELF Executable and Linkable format (Linux) (4029/14) 50.16%
                                          • ELF Executable and Linkable format (generic) (4004/1) 49.84%
                                          File name:.i.elf
                                          File size:14'398 bytes
                                          MD5:23efd4f38ee5e383dfcc2e52811cc3f0
                                          SHA1:035c3716b78eb3515528d09a81c19445effe88c6
                                          SHA256:dc0b00a58702dc5a4c8497085835b59af160ab6679fd5519340b088816c225d6
                                          SHA512:99eab3515a28e963404a3a6992491ff2e42e931abd41342afce721d7c6f5900a88734e16b9c633b33dcf10735d1c82abb08790b24fbeb615cf80939d5b19c9c9
                                          SSDEEP:192:YTmCc4HnYXvQ2mDuYedvuXH2oLxZ6qSAM9vrqj7/sBJ6HGpTJDqiwOrvw9Bpjdyu:YTYXvQDuYY2xZ6VTgDK4mpwTl5yejHSm
                                          TLSH:DF52D0462FAC3B47B8A646B1FB396E65B1009E9E772B980BD554742354B312BF500C2F
                                          File Content Preview:.ELF....................../....4.........4. ...(......................Bd..Bd.................G...G.................................................^.......?.E.h4...@b..) ..]..0...a.t<..mc.zy/..>..!c...gM\<j..W`xD'..}...\..].j.L.u...S..i...../..F...@`..'k.

                                          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:0x112fe8
                                          Flags:0x1007
                                          ELF Header Size:52
                                          Program Header Offset:52
                                          Program Header Size:32
                                          Number of Program Headers:2
                                          Section Header Offset:0
                                          Section Header Size:40
                                          Number of Section Headers:0
                                          Header String Table Index:0
                                          TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
                                          LOAD0x00x1000000x1000000x142640x142647.98140x5R E0x10000
                                          LOAD0xa6c00x47a6c00x47a6c00x00x00.00000x6RW 0x10000

                                          Download Network PCAP: filteredfull

                                          • Total Packets: 8
                                          • 443 (HTTPS)
                                          • 80 (HTTP)
                                          TimestampSource PortDest PortSource IPDest IP
                                          Jan 9, 2025 18:32:54.250514984 CET43928443192.168.2.2391.189.91.42
                                          Jan 9, 2025 18:32:59.625165939 CET42836443192.168.2.2391.189.91.43
                                          Jan 9, 2025 18:33:01.161007881 CET4251680192.168.2.23109.202.202.202
                                          Jan 9, 2025 18:33:14.983108044 CET43928443192.168.2.2391.189.91.42
                                          Jan 9, 2025 18:33:25.221720934 CET42836443192.168.2.2391.189.91.43
                                          Jan 9, 2025 18:33:31.364833117 CET4251680192.168.2.23109.202.202.202
                                          Jan 9, 2025 18:33:55.937608957 CET43928443192.168.2.2391.189.91.42
                                          Jan 9, 2025 18:34:16.414783001 CET42836443192.168.2.2391.189.91.43

                                          System Behavior

                                          Start time (UTC):17:32:53
                                          Start date (UTC):09/01/2025
                                          Path:/tmp/.i.elf
                                          Arguments:/tmp/.i.elf
                                          File size:5777432 bytes
                                          MD5 hash:0083f1f0e77be34ad27f849842bbb00c