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Linux Analysis Report
sh4.elf

Overview

General Information

Sample name:sh4.elf
Analysis ID:1594520
MD5:7709634c0234217347178b2037b8c103
SHA1:4ab05d35357e7be2c9ebbdf3b08d06fcef86e459
SHA256:38ad7be03538d5da847bf3fe272d4bfa0733958717a75485fb2a3df95d92743f
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:1594520
Start date and time:2025-01-19 04:42:08 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 39s
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:sh4.elf
Detection:MAL
Classification:mal48.linELF@0/0@0/0
Command:/tmp/sh4.elf
PID:6256
Exit Code:0
Exit Code Info:
Killed:False
Standard Output:

Standard Error:
  • system is lnxubuntu20
  • sh4.elf (PID: 6256, Parent: 6180, MD5: 8943e5f8f8c280467b4472c15ae93ba9) Arguments: /tmp/sh4.elf
    • sh4.elf New Fork (PID: 6258, Parent: 6256)
  • cleanup
No yara matches
No Suricata rule has matched

Click to jump to signature section

Show All Signature Results

AV Detection

barindex
Source: sh4.elfReversingLabs: Detection: 13%
Source: global trafficTCP traffic: 192.168.2.23:48742 -> 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: 91.189.91.43
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/sh4.elf (PID: 6256)Queries kernel information via 'uname': Jump to behavior
Source: sh4.elf, 6256.1.0000556ee4380000.0000556ee43e3000.rw-.sdmpBinary or memory string: nU5!/etc/qemu-binfmt/sh4
Source: sh4.elf, 6256.1.00007ffc414d8000.00007ffc414f9000.rw-.sdmpBinary or memory string: /usr/bin/qemu-sh4
Source: sh4.elf, 6256.1.0000556ee4380000.0000556ee43e3000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/sh4
Source: sh4.elf, 6256.1.00007ffc414d8000.00007ffc414f9000.rw-.sdmpBinary or memory string: 1x86_64/usr/bin/qemu-sh4/tmp/sh4.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/sh4.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: 1594520 Sample: sh4.elf Startdate: 19/01/2025 Architecture: LINUX Score: 48 11 85.239.34.134, 48742, 48744, 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 sh4.elf 2->7         started        signatures3 process4 process5 9 sh4.elf 7->9         started       
SourceDetectionScannerLabelLink
sh4.elf13%ReversingLabsLinux.Trojan.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 created / dropped files found
                                                              File type:ELF 32-bit LSB executable, Renesas SH, version 1 (SYSV), statically linked, stripped
                                                              Entropy (8bit):6.819711544938909
                                                              TrID:
                                                              • ELF Executable and Linkable format (generic) (4004/1) 100.00%
                                                              File name:sh4.elf
                                                              File size:42'572 bytes
                                                              MD5:7709634c0234217347178b2037b8c103
                                                              SHA1:4ab05d35357e7be2c9ebbdf3b08d06fcef86e459
                                                              SHA256:38ad7be03538d5da847bf3fe272d4bfa0733958717a75485fb2a3df95d92743f
                                                              SHA512:0f681081363775966b06cb79b733a9a83da4ad5f19df64a23b6858031cf44c51db84d288c13cfae9cec0898882be028e8cd4fbffa102c7bc18bb8a1efacb9f23
                                                              SSDEEP:768:avSvWVGvqVuvZqnylvV3fJ1sqVgoAWbnFpEhwEF0CC:k824agDNV3fJZgoAWTFpEtjC
                                                              TLSH:7C136D6A99206FABC525EBF8603BDBBDD323063082469DB4191387680153D5FF8687FC
                                                              File Content Preview:.ELF..............*.......@.4...........4. ...(...............@...@...........................@...@......1..............x...x.@.x.@.................Q.td............................././"O.n........#.*@........#.*@.....o&O.n...l.............................

                                                              ELF header

                                                              Class:ELF32
                                                              Data:2's complement, little endian
                                                              Version:1 (current)
                                                              Machine:<unknown>
                                                              Version Number:0x1
                                                              Type:EXEC (Executable file)
                                                              OS/ABI:UNIX - System V
                                                              ABI Version:0
                                                              Entry Point Address:0x4001c0
                                                              Flags:0x9
                                                              ELF Header Size:52
                                                              Program Header Offset:52
                                                              Program Header Size:32
                                                              Number of Program Headers:4
                                                              Section Header Offset:42012
                                                              Section Header Size:40
                                                              Number of Section Headers:14
                                                              Header String Table Index:13
                                                              NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
                                                              NULL0x00x00x00x00x0000
                                                              .initPROGBITS0x4000b40xb40x300x00x6AX004
                                                              .textPROGBITS0x4001000x1000x9be00x00x6AX0032
                                                              .finiPROGBITS0x409ce00x9ce00x240x00x6AX004
                                                              .rodataPROGBITS0x409d040x9d040x3f80x00x2A004
                                                              .eh_framePROGBITS0x40b0fc0xa0fc0x7c0x00x3WA004
                                                              .tbssNOBITS0x40b1780xa1780x80x00x403WAT004
                                                              .ctorsPROGBITS0x40b1780xa1780x80x00x3WA004
                                                              .dtorsPROGBITS0x40b1800xa1800x80x00x3WA004
                                                              .jcrPROGBITS0x40b1880xa1880x40x00x3WA004
                                                              .dataPROGBITS0x40b18c0xa18c0x2240x00x3WA004
                                                              .gotPROGBITS0x40b3b00xa3b00x140x40x3WA004
                                                              .bssNOBITS0x40b3c40xa3c40x2ee00x00x3WA004
                                                              .shstrtabSTRTAB0x00xa3c40x580x00x0001
                                                              TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
                                                              LOAD0x00x4000000x4000000xa0fc0xa0fc6.87740x5R E0x1000.init .text .fini .rodata
                                                              LOAD0xa0fc0x40b0fc0x40b0fc0x2c80x31a84.12270x6RW 0x1000.eh_frame .tbss .ctors .dtors .jcr .data .got .bss
                                                              TLS0xa1780x40b1780x40b1780x00x80.00000x4R 0x4.tbss
                                                              GNU_STACK0x00x00x00x00x00.00000x7RWE0x4

                                                              Download Network PCAP: filteredfull

                                                              • Total Packets: 17
                                                              • 5683 undefined
                                                              • 443 (HTTPS)
                                                              • 80 (HTTP)
                                                              TimestampSource PortDest PortSource IPDest IP
                                                              Jan 19, 2025 04:42:56.895991087 CET43928443192.168.2.2391.189.91.42
                                                              Jan 19, 2025 04:42:58.124953985 CET487425683192.168.2.2385.239.34.134
                                                              Jan 19, 2025 04:42:58.130290031 CET56834874285.239.34.134192.168.2.23
                                                              Jan 19, 2025 04:42:58.130356073 CET487425683192.168.2.2385.239.34.134
                                                              Jan 19, 2025 04:43:02.271194935 CET42836443192.168.2.2391.189.91.43
                                                              Jan 19, 2025 04:43:03.295195103 CET4251680192.168.2.23109.202.202.202
                                                              Jan 19, 2025 04:43:17.629211903 CET43928443192.168.2.2391.189.91.42
                                                              Jan 19, 2025 04:43:27.867873907 CET42836443192.168.2.2391.189.91.43
                                                              Jan 19, 2025 04:43:34.011056900 CET4251680192.168.2.23109.202.202.202
                                                              Jan 19, 2025 04:43:58.161911964 CET487425683192.168.2.2385.239.34.134
                                                              Jan 19, 2025 04:43:58.167077065 CET56834874285.239.34.134192.168.2.23
                                                              Jan 19, 2025 04:43:58.383968115 CET56834874285.239.34.134192.168.2.23
                                                              Jan 19, 2025 04:43:58.384572983 CET487425683192.168.2.2385.239.34.134
                                                              Jan 19, 2025 04:43:58.389846087 CET56834874285.239.34.134192.168.2.23
                                                              Jan 19, 2025 04:43:58.583437920 CET43928443192.168.2.2391.189.91.42
                                                              Jan 19, 2025 04:43:59.389494896 CET487445683192.168.2.2385.239.34.134
                                                              Jan 19, 2025 04:43:59.394658089 CET56834874485.239.34.134192.168.2.23
                                                              Jan 19, 2025 04:43:59.394901991 CET487445683192.168.2.2385.239.34.134
                                                              Jan 19, 2025 04:43:59.395287991 CET487445683192.168.2.2385.239.34.134
                                                              Jan 19, 2025 04:43:59.400748968 CET56834874485.239.34.134192.168.2.23
                                                              Jan 19, 2025 04:44:19.060568094 CET42836443192.168.2.2391.189.91.43
                                                              Jan 19, 2025 04:44:59.447742939 CET487445683192.168.2.2385.239.34.134
                                                              Jan 19, 2025 04:44:59.453118086 CET56834874485.239.34.134192.168.2.23
                                                              Jan 19, 2025 04:44:59.667583942 CET56834874485.239.34.134192.168.2.23
                                                              Jan 19, 2025 04:44:59.667890072 CET487445683192.168.2.2385.239.34.134

                                                              System Behavior

                                                              Start time (UTC):03:42:56
                                                              Start date (UTC):19/01/2025
                                                              Path:/tmp/sh4.elf
                                                              Arguments:/tmp/sh4.elf
                                                              File size:4139976 bytes
                                                              MD5 hash:8943e5f8f8c280467b4472c15ae93ba9

                                                              Start time (UTC):03:42:57
                                                              Start date (UTC):19/01/2025
                                                              Path:/tmp/sh4.elf
                                                              Arguments:-
                                                              File size:4139976 bytes
                                                              MD5 hash:8943e5f8f8c280467b4472c15ae93ba9