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Linux Analysis Report
mips.elf

Overview

General Information

Sample name:mips.elf
Analysis ID:1594538
MD5:9e134c96614090d2ac936ef0c4999756
SHA1:e65bfe2dea67e7ca29b094b9638c8beb28f7bcdb
SHA256:da619c80a977c11c48b11bfd175c2f96c9d8b5d2ca97e7fbbb6a2750237b5970
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 tries to kill a process (SIGKILL)
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:1594538
Start date and time:2025-01-19 05:52:04 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 48s
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:mips.elf
Detection:MAL
Classification:mal48.linELF@0/0@0/0
Command:/tmp/mips.elf
PID:6245
Exit Code:0
Exit Code Info:
Killed:False
Standard Output:

Standard Error:
  • system is lnxubuntu20
  • mips.elf (PID: 6245, Parent: 6166, MD5: 0083f1f0e77be34ad27f849842bbb00c) Arguments: /tmp/mips.elf
    • mips.elf New Fork (PID: 6247, Parent: 6245)
  • cleanup
No yara matches
No Suricata rule has matched

Click to jump to signature section

Show All Signature Results

AV Detection

barindex
Source: mips.elfReversingLabs: Detection: 13%
Source: global trafficTCP traffic: 192.168.2.23:48740 -> 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: 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: 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: ELF static info symbol of initial sample.symtab present: no
Source: /tmp/mips.elf (PID: 6247)SIGKILL sent: pid: 100663296, result: no such processJump to behavior
Source: /tmp/mips.elf (PID: 6247)SIGKILL sent: pid: 4203476, result: no such processJump to behavior
Source: classification engineClassification label: mal48.linELF@0/0@0/0
Source: /tmp/mips.elf (PID: 6245)Queries kernel information via 'uname': Jump to behavior
Source: mips.elf, 6245.1.000055f2dca95000.000055f2dcb1c000.rw-.sdmp, mips.elf, 6247.1.000055f2dca95000.000055f2dcb1c000.rw-.sdmpBinary or memory string: U!/etc/qemu-binfmt/mips
Source: mips.elf, 6245.1.000055f2dca95000.000055f2dcb1c000.rw-.sdmp, mips.elf, 6247.1.000055f2dca95000.000055f2dcb1c000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/mips
Source: mips.elf, 6245.1.00007ffe700f2000.00007ffe70113000.rw-.sdmp, mips.elf, 6247.1.00007ffe700f2000.00007ffe70113000.rw-.sdmpBinary or memory string: x86_64/usr/bin/qemu-mips/tmp/mips.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/mips.elf
Source: mips.elf, 6245.1.00007ffe700f2000.00007ffe70113000.rw-.sdmp, mips.elf, 6247.1.00007ffe700f2000.00007ffe70113000.rw-.sdmpBinary or memory string: /usr/bin/qemu-mips
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: 1594538 Sample: mips.elf Startdate: 19/01/2025 Architecture: LINUX Score: 48 11 85.239.34.134, 48740, 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 mips.elf 2->7         started        signatures3 process4 process5 9 mips.elf 7->9         started       

This section contains all screenshots as thumbnails, including those not shown in the slideshow.


windows-stand
SourceDetectionScannerLabelLink
mips.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 context
                                                              No created / dropped files found
                                                              File type:ELF 32-bit MSB executable, MIPS, MIPS-I version 1 (SYSV), statically linked, stripped
                                                              Entropy (8bit):5.359082967745906
                                                              TrID:
                                                              • ELF Executable and Linkable format (generic) (4004/1) 100.00%
                                                              File name:mips.elf
                                                              File size:60'012 bytes
                                                              MD5:9e134c96614090d2ac936ef0c4999756
                                                              SHA1:e65bfe2dea67e7ca29b094b9638c8beb28f7bcdb
                                                              SHA256:da619c80a977c11c48b11bfd175c2f96c9d8b5d2ca97e7fbbb6a2750237b5970
                                                              SHA512:8ba2981c4bf1c2809eaef71904f4d351eac140c6cbb17e668e53e9be4b86d390ec906e1902b888d5f840adf6efe743ec9efa43979b1fde31c0621eaabf569699
                                                              SSDEEP:768:28XS9pZiBpZDBpZ8pZepZiBpZvf6XBoE4F5Q/3ZhliqYGDL3jWUtVrnbUM07jlhj:22NSIqpFqeG3jVXyphgF+l
                                                              TLSH:6043D76E6E118FACF39CC63007B70E2597662A9A27E6C181D29CE5045F6070F685FFE4
                                                              File Content Preview:.ELF.....................@.....4.........4. ...(.............@...@...........................@...@........6................D.@.D.@.D................dt.Q............................<...'.b....!'.......................<...'.a....!........'9... .............

                                                              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:0x400290
                                                              Flags:0x1007
                                                              ELF Header Size:52
                                                              Program Header Offset:52
                                                              Program Header Size:32
                                                              Number of Program Headers:4
                                                              Section Header Offset:59372
                                                              Section Header Size:40
                                                              Number of Section Headers:16
                                                              Header String Table Index:15
                                                              NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
                                                              NULL0x00x00x00x00x0000
                                                              .initPROGBITS0x4000b40xb40x8c0x00x6AX004
                                                              .textPROGBITS0x4001400x1400xd6200x00x6AX0016
                                                              .finiPROGBITS0x40d7600xd7600x5c0x00x6AX004
                                                              .rodataPROGBITS0x40d7c00xd7c00x8000x00x2A0016
                                                              .eh_framePROGBITS0x40e0000xe0000x440x00x3WA004
                                                              .tbssNOBITS0x40e0440xe0440x80x00x403WAT004
                                                              .ctorsPROGBITS0x40e0440xe0440x80x00x3WA004
                                                              .dtorsPROGBITS0x40e04c0xe04c0x80x00x3WA004
                                                              .jcrPROGBITS0x40e0540xe0540x40x00x3WA004
                                                              .dataPROGBITS0x40e0600xe0600x2640x00x3WA0016
                                                              .gotPROGBITS0x40e2d00xe2d00x4b00x40x10000003WAp0016
                                                              .sbssNOBITS0x40e7800xe7800x340x00x10000003WAp004
                                                              .bssNOBITS0x40e7c00xe7800x2ef80x00x3WA0016
                                                              .mdebug.abi32PROGBITS0x9c60xe7800x00x00x0001
                                                              .shstrtabSTRTAB0x00xe7800x6c0x00x0001
                                                              TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
                                                              LOAD0x00x4000000x4000000xdfc00xdfc05.39540x5R E0x1000.init .text .fini .rodata
                                                              LOAD0xe0000x40e0000x40e0000x7800x36b83.80030x6RW 0x1000.eh_frame .tbss .ctors .dtors .jcr .data .got .sbss .bss
                                                              TLS0xe0440x40e0440x40e0440x00x80.00000x4R 0x4.tbss
                                                              GNU_STACK0x00x00x00x00x00.00000x7RWE0x4

                                                              Download Network PCAP: filteredfull

                                                              • Total Packets: 13
                                                              • 5683 undefined
                                                              • 443 (HTTPS)
                                                              • 80 (HTTP)
                                                              TimestampSource PortDest PortSource IPDest IP
                                                              Jan 19, 2025 05:52:53.606072903 CET43928443192.168.2.2391.189.91.42
                                                              Jan 19, 2025 05:52:55.365407944 CET487405683192.168.2.2385.239.34.134
                                                              Jan 19, 2025 05:52:55.370786905 CET56834874085.239.34.134192.168.2.23
                                                              Jan 19, 2025 05:52:55.370863914 CET487405683192.168.2.2385.239.34.134
                                                              Jan 19, 2025 05:52:55.983125925 CET56834874085.239.34.134192.168.2.23
                                                              Jan 19, 2025 05:52:55.983604908 CET487405683192.168.2.2385.239.34.134
                                                              Jan 19, 2025 05:52:56.131853104 CET487405683192.168.2.2385.239.34.134
                                                              Jan 19, 2025 05:52:56.137118101 CET56834874085.239.34.134192.168.2.23
                                                              Jan 19, 2025 05:52:56.137192965 CET487405683192.168.2.2385.239.34.134
                                                              Jan 19, 2025 05:52:58.981393099 CET42836443192.168.2.2391.189.91.43
                                                              Jan 19, 2025 05:52:59.749316931 CET4251680192.168.2.23109.202.202.202
                                                              Jan 19, 2025 05:53:14.339365959 CET43928443192.168.2.2391.189.91.42
                                                              Jan 19, 2025 05:53:24.578094006 CET42836443192.168.2.2391.189.91.43
                                                              Jan 19, 2025 05:53:30.721374989 CET4251680192.168.2.23109.202.202.202
                                                              Jan 19, 2025 05:53:55.294429064 CET43928443192.168.2.2391.189.91.42
                                                              Jan 19, 2025 05:54:15.771437883 CET42836443192.168.2.2391.189.91.43

                                                              System Behavior

                                                              Start time (UTC):04:52:54
                                                              Start date (UTC):19/01/2025
                                                              Path:/tmp/mips.elf
                                                              Arguments:/tmp/mips.elf
                                                              File size:5777432 bytes
                                                              MD5 hash:0083f1f0e77be34ad27f849842bbb00c

                                                              Start time (UTC):04:52:54
                                                              Start date (UTC):19/01/2025
                                                              Path:/tmp/mips.elf
                                                              Arguments:-
                                                              File size:5777432 bytes
                                                              MD5 hash:0083f1f0e77be34ad27f849842bbb00c