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Linux Analysis Report
mips.elf

Overview

General Information

Sample name:mips.elf
Analysis ID:1647576
MD5:22c71b9b9ca97cb84449a5ad0a07bdc3
SHA1:8ef963c7c10957ca0f5d8838d2f41f471f764f56
SHA256:9e82ff3f470841d3f85d3a8c96a00fde862f4bb8c52719514e3335e4ba394027
Tags:elfuser-abuse_ch
Infos:

Detection

Score:48
Range:0 - 100

Signatures

Antivirus / Scanner detection for submitted sample
Executes the "rm" command used to delete files or directories
Sample has stripped symbol table
Uses the "uname" system call to query kernel version information (possible evasion)

Classification

RansomwareSpreadingPhishingBankerTrojan / BotAdwareSpywareExploiterEvaderMinercleansuspiciousmalicious
Joe Sandbox version:42.0.0 Malachite
Analysis ID:1647576
Start date and time:2025-03-25 00:48:15 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 36s
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:6225
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
  • mips.elf (PID: 6225, Parent: 6151, MD5: 0083f1f0e77be34ad27f849842bbb00c) Arguments: /tmp/mips.elf
  • dash New Fork (PID: 6296, Parent: 4331)
  • rm (PID: 6296, Parent: 4331, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.wtWC6uCsuh /tmp/tmp.zlq2DXFLfm /tmp/tmp.xtRfvBRnaM
  • dash New Fork (PID: 6297, Parent: 4331)
  • rm (PID: 6297, Parent: 4331, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.wtWC6uCsuh /tmp/tmp.zlq2DXFLfm /tmp/tmp.xtRfvBRnaM
  • cleanup
No yara matches
No Suricata rule has matched

Click to jump to signature section

Show All Signature Results

AV Detection

barindex
Source: mips.elfAvira: detected
Source: unknownTCP traffic detected without corresponding DNS query: 54.171.230.55
Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknownTCP traffic detected without corresponding DNS query: 54.171.230.55
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: 54.171.230.55
Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknownTCP traffic detected without corresponding DNS query: 54.171.230.55
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: 54.171.230.55
Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknownNetwork traffic detected: HTTP traffic on port 443 -> 33606
Source: unknownNetwork traffic detected: HTTP traffic on port 33606 -> 443
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: /usr/bin/dash (PID: 6296)Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.wtWC6uCsuh /tmp/tmp.zlq2DXFLfm /tmp/tmp.xtRfvBRnaMJump to behavior
Source: /usr/bin/dash (PID: 6297)Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.wtWC6uCsuh /tmp/tmp.zlq2DXFLfm /tmp/tmp.xtRfvBRnaMJump to behavior
Source: /tmp/mips.elf (PID: 6225)Queries kernel information via 'uname': Jump to behavior
Source: mips.elf, 6225.1.000055f01e8d3000.000055f01e95a000.rw-.sdmpBinary or memory string: U!/etc/qemu-binfmt/mips
Source: mips.elf, 6225.1.000055f01e8d3000.000055f01e95a000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/mips
Source: mips.elf, 6225.1.00007ffcd3966000.00007ffcd3987000.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, 6225.1.00007ffcd3966000.00007ffcd3987000.rw-.sdmpBinary or memory string: /usr/bin/qemu-mips
Source: mips.elf, 6225.1.00007ffcd3966000.00007ffcd3987000.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
File Deletion
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: 1647576 Sample: mips.elf Startdate: 25/03/2025 Architecture: LINUX Score: 48 12 109.202.202.202, 80 INIT7CH Switzerland 2->12 14 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->14 16 2 other IPs or domains 2->16 18 Antivirus / Scanner detection for submitted sample 2->18 6 dash rm 2->6         started        8 dash rm 2->8         started        10 mips.elf 2->10         started        signatures3 process4
SourceDetectionScannerLabelLink
mips.elf100%AviraLINUX/GM.Mirai.XA
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
54.171.230.55
unknownUnited States
16509AMAZON-02USfalse
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), dynamically linked, stripped
                                                              Entropy (8bit):5.1090698144147435
                                                              TrID:
                                                              • ELF Executable and Linkable format (generic) (4004/1) 100.00%
                                                              File name:mips.elf
                                                              File size:118'224 bytes
                                                              MD5:22c71b9b9ca97cb84449a5ad0a07bdc3
                                                              SHA1:8ef963c7c10957ca0f5d8838d2f41f471f764f56
                                                              SHA256:9e82ff3f470841d3f85d3a8c96a00fde862f4bb8c52719514e3335e4ba394027
                                                              SHA512:2b585508fd8f6c57a543d3b81d44ad34a1f167cf5adc31b731339c169f49feb7ba6b850fdd8f644e8ae231d561f8b3de8898c4af19681528f174328c282bb175
                                                              SSDEEP:3072:/rji+6Z5xk0Mqrlgc/mjT5Sc7cGn9dU2N6uuHt:/rKZ5vFrqT5nXnHU2Kt
                                                              TLSH:7CC3730F9D218F2FF639C33647F78964B36822D323D6E64AD25CE5201E6438E541BBA5
                                                              File Content Preview:.ELF.....................@.`...4.........4. ...(.............@...@.....p...p.................E...E.....p..n.............................................'.D....!'.......................<...'.D....!... ....'9... ......................<...'.D....!........'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:0x400260
                                                              Flags:0x1007
                                                              ELF Header Size:52
                                                              Program Header Offset:52
                                                              Program Header Size:32
                                                              Number of Program Headers:3
                                                              Section Header Offset:117704
                                                              Section Header Size:40
                                                              Number of Section Headers:13
                                                              Header String Table Index:12
                                                              NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
                                                              NULL0x20x00x00x00x0000
                                                              .initPROGBITS0x4000940x940x8c0x20x6AX004
                                                              .textPROGBITS0x4001200x1200x195c00x00x6AX0216
                                                              .finiPROGBITS0x4196e00x196e00x20x00x6AX004
                                                              .rodataPROGBITS0x20x197400x20300x00x2A0016
                                                              PROGBITS0x45c0000x1c0000x80x20x3WA004
                                                              .dtorsPROGBITS0x45c0080x1c0080x80x00x3WA024
                                                              .data.rel.roPROGBITS0x45c0140x1c0140x20x00x3WA004
                                                              .datPROGBITS0x20x1c1300x4540x00x3WA0016
                                                              PROGBITS0x45c5900x1c5900x5e00x20x10000003WAp0016
                                                              .sbssNOBITS0x45cb700x1cb700x1c0x00x10000003WAp024
                                                              .bssNOBITS0x45cb900x1cb700x20x00x3WA0016
                                                              .shSTRTAB0x20x1cb700x560x00x0001
                                                              TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
                                                              LOAD0x00x4000000x4000000x1b7700x1b7705.18810x5R E0x10000.init .text .fini
                                                              LOAD0x1c0000x45c0000x45c0000xb700x6ed43.94340x6RW 0x10000.dtors .data.rel.ro .sbss .bss
                                                              DYNAMIC0x00x00x00x00x00.00000x7RWE0x4

                                                              Download Network PCAP: filteredfull

                                                              • Total Packets: 12
                                                              • 443 (HTTPS)
                                                              • 80 (HTTP)
                                                              TimestampSource PortDest PortSource IPDest IP
                                                              Mar 25, 2025 00:48:58.597001076 CET33606443192.168.2.2354.171.230.55
                                                              Mar 25, 2025 00:49:00.644678116 CET43928443192.168.2.2391.189.91.42
                                                              Mar 25, 2025 00:49:02.948453903 CET33606443192.168.2.2354.171.230.55
                                                              Mar 25, 2025 00:49:06.276047945 CET42836443192.168.2.2391.189.91.43
                                                              Mar 25, 2025 00:49:07.811825991 CET4251680192.168.2.23109.202.202.202
                                                              Mar 25, 2025 00:49:11.395287991 CET33606443192.168.2.2354.171.230.55
                                                              Mar 25, 2025 00:49:21.122112036 CET43928443192.168.2.2391.189.91.42
                                                              Mar 25, 2025 00:49:29.312813044 CET33606443192.168.2.2354.171.230.55
                                                              Mar 25, 2025 00:49:33.408375025 CET42836443192.168.2.2391.189.91.43
                                                              Mar 25, 2025 00:49:37.503562927 CET4251680192.168.2.23109.202.202.202
                                                              Mar 25, 2025 00:49:54.153460979 CET33606443192.168.2.2354.171.230.55
                                                              Mar 25, 2025 00:49:54.322488070 CET4433360654.171.230.55192.168.2.23
                                                              Mar 25, 2025 00:50:02.076217890 CET43928443192.168.2.2391.189.91.42

                                                              System Behavior

                                                              Start time (UTC):23:48:58
                                                              Start date (UTC):24/03/2025
                                                              Path:/tmp/mips.elf
                                                              Arguments:/tmp/mips.elf
                                                              File size:5777432 bytes
                                                              MD5 hash:0083f1f0e77be34ad27f849842bbb00c

                                                              Start time (UTC):23:49:53
                                                              Start date (UTC):24/03/2025
                                                              Path:/usr/bin/dash
                                                              Arguments:-
                                                              File size:129816 bytes
                                                              MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                                                              Start time (UTC):23:49:53
                                                              Start date (UTC):24/03/2025
                                                              Path:/usr/bin/rm
                                                              Arguments:rm -f /tmp/tmp.wtWC6uCsuh /tmp/tmp.zlq2DXFLfm /tmp/tmp.xtRfvBRnaM
                                                              File size:72056 bytes
                                                              MD5 hash:aa2b5496fdbfd88e38791ab81f90b95b

                                                              Start time (UTC):23:49:53
                                                              Start date (UTC):24/03/2025
                                                              Path:/usr/bin/dash
                                                              Arguments:-
                                                              File size:129816 bytes
                                                              MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                                                              Start time (UTC):23:49:53
                                                              Start date (UTC):24/03/2025
                                                              Path:/usr/bin/rm
                                                              Arguments:rm -f /tmp/tmp.wtWC6uCsuh /tmp/tmp.zlq2DXFLfm /tmp/tmp.xtRfvBRnaM
                                                              File size:72056 bytes
                                                              MD5 hash:aa2b5496fdbfd88e38791ab81f90b95b