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Linux Analysis Report
arm6.elf

Overview

General Information

Sample name:arm6.elf
Analysis ID:1565530
MD5:03b1339f6fdd432c1594a5adc02e2eb8
SHA1:3a0998e20c6cc1c2b9b44ae93f984cd09a2b155b
SHA256:e0efcb1ccd94c26a496c2cfde9276cb3e964153e4ad39eb6272db55ed54cf365
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
Sample listens on a socket
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:41.0.0 Charoite
Analysis ID:1565530
Start date and time:2024-11-30 05:27:05 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 30s
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:arm6.elf
Detection:MAL
Classification:mal48.linELF@0/0@0/0
Command:/tmp/arm6.elf
PID:6240
Exit Code:0
Exit Code Info:
Killed:False
Standard Output:
Who loves the sun
Standard Error:
  • system is lnxubuntu20
  • arm6.elf (PID: 6240, Parent: 6163, MD5: 5ebfcae4fe2471fcc5695c2394773ff1) Arguments: /tmp/arm6.elf
    • arm6.elf New Fork (PID: 6242, Parent: 6240)
      • arm6.elf New Fork (PID: 6244, Parent: 6242)
  • cleanup
No yara matches
No Suricata rule has matched

Click to jump to signature section

Show All Signature Results

AV Detection

barindex
Source: arm6.elfReversingLabs: Detection: 50%
Source: arm6.elfVirustotal: Detection: 46%Perma Link
Source: global trafficTCP traffic: 192.168.2.23:52472 -> 85.239.34.134:37212
Source: /tmp/arm6.elf (PID: 6240)Socket: 127.0.0.1:57186Jump to behavior
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: 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: 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: 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: 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/arm6.elf (PID: 6240)Queries kernel information via 'uname': Jump to behavior
Source: arm6.elf, 6240.1.000055a81a83d000.000055a81a96b000.rw-.sdmp, arm6.elf, 6244.1.000055a81a83d000.000055a81a96b000.rw-.sdmpBinary or memory string: U!/etc/qemu-binfmt/arm
Source: arm6.elf, 6240.1.000055a81a83d000.000055a81a96b000.rw-.sdmp, arm6.elf, 6244.1.000055a81a83d000.000055a81a96b000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/arm
Source: arm6.elf, 6240.1.00007ffc48fdc000.00007ffc48ffd000.rw-.sdmp, arm6.elf, 6244.1.00007ffc48fdc000.00007ffc48ffd000.rw-.sdmpBinary or memory string: /usr/bin/qemu-arm
Source: arm6.elf, 6240.1.00007ffc48fdc000.00007ffc48ffd000.rw-.sdmp, arm6.elf, 6244.1.00007ffc48fdc000.00007ffc48ffd000.rw-.sdmpBinary or memory string: x86_64/usr/bin/qemu-arm/tmp/arm6.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/arm6.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: 1565530 Sample: arm6.elf Startdate: 30/11/2024 Architecture: LINUX Score: 48 14 85.239.34.134, 37212, 52472 RAINBOW-HKRainbownetworklimitedHK Russian Federation 2->14 16 109.202.202.202, 80 INIT7CH Switzerland 2->16 18 2 other IPs or domains 2->18 20 Multi AV Scanner detection for submitted file 2->20 8 arm6.elf 2->8         started        signatures3 process4 process5 10 arm6.elf 8->10         started        process6 12 arm6.elf 10->12         started       
SourceDetectionScannerLabelLink
arm6.elf50%ReversingLabsLinux.Trojan.Mirai
arm6.elf47%VirustotalBrowse
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
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 created / dropped files found
                                                              File type:ELF 32-bit LSB executable, ARM, EABI4 version 1 (SYSV), statically linked, stripped
                                                              Entropy (8bit):6.130318875885848
                                                              TrID:
                                                              • ELF Executable and Linkable format (generic) (4004/1) 100.00%
                                                              File name:arm6.elf
                                                              File size:63'512 bytes
                                                              MD5:03b1339f6fdd432c1594a5adc02e2eb8
                                                              SHA1:3a0998e20c6cc1c2b9b44ae93f984cd09a2b155b
                                                              SHA256:e0efcb1ccd94c26a496c2cfde9276cb3e964153e4ad39eb6272db55ed54cf365
                                                              SHA512:13f1544ab27de51c90b5946f139238348a02209a734289dae7cc74473af60f60d031e3e59ade75b617ad6fcc31dc41f35909bd11ce2021e1b9861579e42b43bc
                                                              SSDEEP:1536:33ZnQbBf0yfknveWXpdaf+KAPiIXiMMSbVnQCa5AYn6:SBv8P3afWMSbVnQCa+J
                                                              TLSH:C453185AF9818B11D9C5127AFE1E118E33131B6CE3EE73129E14AF2077C696B0E7B416
                                                              File Content Preview:.ELF..............(.....T...4...........4. ...(.....................8...8...............8...8...8...4...H(..........Q.td..................................-...L..................@-.,@...0....S..... 0....S.........../..0...0...@..../.l.......8.....-.@0....S

                                                              ELF header

                                                              Class:ELF32
                                                              Data:2's complement, little endian
                                                              Version:1 (current)
                                                              Machine:ARM
                                                              Version Number:0x1
                                                              Type:EXEC (Executable file)
                                                              OS/ABI:UNIX - System V
                                                              ABI Version:0
                                                              Entry Point Address:0x8154
                                                              Flags:0x4000002
                                                              ELF Header Size:52
                                                              Program Header Offset:52
                                                              Program Header Size:32
                                                              Number of Program Headers:3
                                                              Section Header Offset:62952
                                                              Section Header Size:40
                                                              Number of Section Headers:14
                                                              Header String Table Index:13
                                                              NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
                                                              NULL0x00x00x00x00x0000
                                                              .initPROGBITS0x80940x940x100x00x6AX004
                                                              .textPROGBITS0x80b00xb00xdcd80x00x6AX0016
                                                              .finiPROGBITS0x15d880xdd880x100x00x6AX004
                                                              .rodataPROGBITS0x15d980xdd980x15a00x00x2A008
                                                              .eh_framePROGBITS0x1f3380xf3380x40x00x3WA004
                                                              .init_arrayINIT_ARRAY0x1f33c0xf33c0x40x00x3WA004
                                                              .fini_arrayFINI_ARRAY0x1f3400xf3400x40x00x3WA004
                                                              .jcrPROGBITS0x1f3440xf3440x40x00x3WA004
                                                              .gotPROGBITS0x1f3480xf3480x740x40x3WA004
                                                              .dataPROGBITS0x1f3bc0xf3bc0x1b00x00x3WA004
                                                              .bssNOBITS0x1f56c0xf56c0x26140x00x3WA004
                                                              .ARM.attributesARM_ATTRIBUTES0x00xf56c0x100x00x0001
                                                              .shstrtabSTRTAB0x00xf57c0x6c0x00x0001
                                                              TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
                                                              LOAD0x00x80000x80000xf3380xf3386.16480x5R E0x8000.init .text .fini .rodata
                                                              LOAD0xf3380x1f3380x1f3380x2340x28482.32780x6RW 0x8000.eh_frame .init_array .fini_array .jcr .got .data .bss
                                                              GNU_STACK0x00x00x00x00x00.00000x7RWE0x4
                                                              TimestampSource PortDest PortSource IPDest IP
                                                              Nov 30, 2024 05:27:50.084111929 CET5247237212192.168.2.2385.239.34.134
                                                              Nov 30, 2024 05:27:50.204142094 CET372125247285.239.34.134192.168.2.23
                                                              Nov 30, 2024 05:27:50.204242945 CET5247237212192.168.2.2385.239.34.134
                                                              Nov 30, 2024 05:27:50.222470045 CET5247237212192.168.2.2385.239.34.134
                                                              Nov 30, 2024 05:27:50.342448950 CET372125247285.239.34.134192.168.2.23
                                                              Nov 30, 2024 05:27:50.342540026 CET5247237212192.168.2.2385.239.34.134
                                                              Nov 30, 2024 05:27:50.462431908 CET372125247285.239.34.134192.168.2.23
                                                              Nov 30, 2024 05:27:51.213433027 CET43928443192.168.2.2391.189.91.42
                                                              Nov 30, 2024 05:27:56.844671965 CET42836443192.168.2.2391.189.91.43
                                                              Nov 30, 2024 05:27:58.124459028 CET4251680192.168.2.23109.202.202.202
                                                              Nov 30, 2024 05:28:00.231682062 CET5247237212192.168.2.2385.239.34.134
                                                              Nov 30, 2024 05:28:00.351712942 CET372125247285.239.34.134192.168.2.23
                                                              Nov 30, 2024 05:28:00.688546896 CET372125247285.239.34.134192.168.2.23
                                                              Nov 30, 2024 05:28:00.688710928 CET5247237212192.168.2.2385.239.34.134
                                                              Nov 30, 2024 05:28:11.178626060 CET43928443192.168.2.2391.189.91.42
                                                              Nov 30, 2024 05:28:23.465018034 CET42836443192.168.2.2391.189.91.43
                                                              Nov 30, 2024 05:28:27.560503006 CET4251680192.168.2.23109.202.202.202
                                                              Nov 30, 2024 05:28:52.132925987 CET43928443192.168.2.2391.189.91.42
                                                              Nov 30, 2024 05:29:00.742368937 CET5247237212192.168.2.2385.239.34.134
                                                              Nov 30, 2024 05:29:00.869333029 CET372125247285.239.34.134192.168.2.23
                                                              Nov 30, 2024 05:29:01.206149101 CET372125247285.239.34.134192.168.2.23
                                                              Nov 30, 2024 05:29:01.206434965 CET5247237212192.168.2.2385.239.34.134

                                                              System Behavior

                                                              Start time (UTC):04:27:49
                                                              Start date (UTC):30/11/2024
                                                              Path:/tmp/arm6.elf
                                                              Arguments:/tmp/arm6.elf
                                                              File size:4956856 bytes
                                                              MD5 hash:5ebfcae4fe2471fcc5695c2394773ff1

                                                              Start time (UTC):04:27:49
                                                              Start date (UTC):30/11/2024
                                                              Path:/tmp/arm6.elf
                                                              Arguments:-
                                                              File size:4956856 bytes
                                                              MD5 hash:5ebfcae4fe2471fcc5695c2394773ff1

                                                              Start time (UTC):04:27:49
                                                              Start date (UTC):30/11/2024
                                                              Path:/tmp/arm6.elf
                                                              Arguments:-
                                                              File size:4956856 bytes
                                                              MD5 hash:5ebfcae4fe2471fcc5695c2394773ff1