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Linux Analysis Report
miner.elf

Overview

General Information

Sample name:miner.elf
Analysis ID:1644110
MD5:6326eb149b66717390ab9574eb572e96
SHA1:284ee5f96a177ebb6b92f6e237ca10b2e349b28c
SHA256:7fde5b1db4728e35bf6212ef7ff02a10378b86aa8a508e4a7a8c86e02729e008
Tags:elfuser-abuse_ch
Infos:

Detection

Score:48
Range:0 - 100

Signatures

Multi AV Scanner detection for submitted file
ELF contains segments with high entropy indicating compressed/encrypted content
Executes the "rm" command used to delete files or directories
Sample contains only a LOAD segment without any section mappings

Classification

RansomwareSpreadingPhishingBankerTrojan / BotAdwareSpywareExploiterEvaderMinercleansuspiciousmalicious
Joe Sandbox version:42.0.0 Malachite
Analysis ID:1644110
Start date and time:2025-03-20 11:27:33 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 37s
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:miner.elf
Detection:MAL
Classification:mal48.linELF@0/0@0/0
Command:/tmp/miner.elf
PID:6236
Exit Code:135
Exit Code Info:
Killed:False
Standard Output:

Standard Error:
  • system is lnxubuntu20
  • miner.elf (PID: 6236, Parent: 6157, MD5: 6326eb149b66717390ab9574eb572e96) Arguments: /tmp/miner.elf
  • dash New Fork (PID: 6306, Parent: 4331)
  • rm (PID: 6306, Parent: 4331, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.ceM7k6SrLq /tmp/tmp.WEbBaEIoeq /tmp/tmp.8ffNp6918d
  • dash New Fork (PID: 6307, Parent: 4331)
  • rm (PID: 6307, Parent: 4331, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.ceM7k6SrLq /tmp/tmp.WEbBaEIoeq /tmp/tmp.8ffNp6918d
  • cleanup
No yara matches
No Suricata rule has matched

Click to jump to signature section

Show All Signature Results

AV Detection

barindex
Source: miner.elfReversingLabs: Detection: 19%
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: 34.249.145.219
Source: unknownTCP traffic detected without corresponding DNS query: 34.249.145.219
Source: unknownTCP traffic detected without corresponding DNS query: 34.249.145.219
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: 34.249.145.219
Source: unknownNetwork traffic detected: HTTP traffic on port 443 -> 39252
Source: unknownNetwork traffic detected: HTTP traffic on port 43928 -> 443
Source: unknownNetwork traffic detected: HTTP traffic on port 39252 -> 443
Source: unknownNetwork traffic detected: HTTP traffic on port 42836 -> 443
Source: LOAD without section mappingsProgram segment: 0x400000
Source: classification engineClassification label: mal48.linELF@0/0@0/0
Source: /usr/bin/dash (PID: 6306)Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.ceM7k6SrLq /tmp/tmp.WEbBaEIoeq /tmp/tmp.8ffNp6918dJump to behavior
Source: /usr/bin/dash (PID: 6307)Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.ceM7k6SrLq /tmp/tmp.WEbBaEIoeq /tmp/tmp.8ffNp6918dJump to behavior
Source: miner.elfSubmission file: segment LOAD with 7.999 entropy (max. 8.0)
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 DumpingSystem Service DiscoveryRemote ServicesData from Local System1
Encrypted Channel
Exfiltration Over Other Network MediumAbuse Accessibility Features
CredentialsDomainsDefault AccountsScheduled Task/JobBoot or Logon Initialization ScriptsBoot or Logon Initialization Scripts1
File Deletion
LSASS 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: 1644110 Sample: miner.elf Startdate: 20/03/2025 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 Multi AV Scanner detection for submitted file 2->18 6 dash rm 2->6         started        8 dash rm 2->8         started        10 miner.elf 2->10         started        signatures3 process4
SourceDetectionScannerLabelLink
miner.elf19%ReversingLabsLinux.Trojan.Multiverze
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
34.249.145.219
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 64-bit LSB executable, x86-64, version 1 (GNU/Linux), statically linked, no section header
                                                              Entropy (8bit):7.999005429993989
                                                              TrID:
                                                              • ELF Executable and Linkable format (generic) (4004/1) 100.00%
                                                              File name:miner.elf
                                                              File size:226'047 bytes
                                                              MD5:6326eb149b66717390ab9574eb572e96
                                                              SHA1:284ee5f96a177ebb6b92f6e237ca10b2e349b28c
                                                              SHA256:7fde5b1db4728e35bf6212ef7ff02a10378b86aa8a508e4a7a8c86e02729e008
                                                              SHA512:9caba025bba2c83fee174c97e4930c59825afa4519c685119a90430d35f3099e914870956e2c74c7992bd5fa439edcfadc2e6d41171fd0ec0cdcf54330357002
                                                              SSDEEP:6144:PQeswmwxMCxiCkOQ4DF1O/JOCJ/ZCv/2dnbEjGs:PQesbwhx7kOQ4x1QJxhEd
                                                              TLSH:262423AF55A7D1E3D5390B7201D84841368A14BEDB2E4E06AF78D5309E89D23933E6CF
                                                              File Content Preview:.ELF..............>.......[.....@...................@.8...@.......................@.......@....................... .............`.......`.......`......................... .....)]..UPX!L.........K...K.X...k..........?.E.h=.......N......e...U.....bo.G...y..

                                                              ELF header

                                                              Class:ELF64
                                                              Data:2's complement, little endian
                                                              Version:1 (current)
                                                              Machine:Advanced Micro Devices X86-64
                                                              Version Number:0x1
                                                              Type:EXEC (Executable file)
                                                              OS/ABI:UNIX - Linux
                                                              ABI Version:0
                                                              Entry Point Address:0x5bd090
                                                              Flags:0x0
                                                              ELF Header Size:64
                                                              Program Header Offset:64
                                                              Program Header Size:56
                                                              Number of Program Headers:2
                                                              Section Header Offset:0
                                                              Section Header Size:64
                                                              Number of Section Headers:0
                                                              Header String Table Index:0
                                                              TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
                                                              LOAD0x00x4000000x4000000x1be1cd0x1be1cd7.99900x5R E0x200000
                                                              LOAD0xcfb600xacfb600xacfb600x00x00.00000x6RW 0x200000

                                                              Download Network PCAP: filteredfull

                                                              • Total Packets: 11
                                                              • 443 (HTTPS)
                                                              • 80 (HTTP)
                                                              TimestampSource PortDest PortSource IPDest IP
                                                              Mar 20, 2025 11:28:22.200325966 CET43928443192.168.2.2391.189.91.42
                                                              Mar 20, 2025 11:28:27.830758095 CET42836443192.168.2.2391.189.91.43
                                                              Mar 20, 2025 11:28:28.854613066 CET4251680192.168.2.23109.202.202.202
                                                              Mar 20, 2025 11:28:40.234415054 CET39252443192.168.2.2334.249.145.219
                                                              Mar 20, 2025 11:28:40.234466076 CET4433925234.249.145.219192.168.2.23
                                                              Mar 20, 2025 11:28:40.234755039 CET39252443192.168.2.2334.249.145.219
                                                              Mar 20, 2025 11:28:40.235546112 CET39252443192.168.2.2334.249.145.219
                                                              Mar 20, 2025 11:28:40.235557079 CET4433925234.249.145.219192.168.2.23
                                                              Mar 20, 2025 11:28:42.420994043 CET43928443192.168.2.2391.189.91.42
                                                              Mar 20, 2025 11:28:54.707236052 CET42836443192.168.2.2391.189.91.43
                                                              Mar 20, 2025 11:28:58.802602053 CET4251680192.168.2.23109.202.202.202
                                                              Mar 20, 2025 11:29:23.375297070 CET43928443192.168.2.2391.189.91.42
                                                              Mar 20, 2025 11:29:40.227469921 CET39252443192.168.2.2334.249.145.219
                                                              Mar 20, 2025 11:29:40.272329092 CET4433925234.249.145.219192.168.2.23
                                                              Mar 20, 2025 11:30:26.980937958 CET4433925234.249.145.219192.168.2.23

                                                              System Behavior

                                                              Start time (UTC):10:28:22
                                                              Start date (UTC):20/03/2025
                                                              Path:/tmp/miner.elf
                                                              Arguments:/tmp/miner.elf
                                                              File size:226047 bytes
                                                              MD5 hash:6326eb149b66717390ab9574eb572e96
                                                              Start time (UTC):10:29:39
                                                              Start date (UTC):20/03/2025
                                                              Path:/usr/bin/dash
                                                              Arguments:-
                                                              File size:129816 bytes
                                                              MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                                                              Start time (UTC):10:29:39
                                                              Start date (UTC):20/03/2025
                                                              Path:/usr/bin/rm
                                                              Arguments:rm -f /tmp/tmp.ceM7k6SrLq /tmp/tmp.WEbBaEIoeq /tmp/tmp.8ffNp6918d
                                                              File size:72056 bytes
                                                              MD5 hash:aa2b5496fdbfd88e38791ab81f90b95b

                                                              Start time (UTC):10:29:39
                                                              Start date (UTC):20/03/2025
                                                              Path:/usr/bin/dash
                                                              Arguments:-
                                                              File size:129816 bytes
                                                              MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                                                              Start time (UTC):10:29:39
                                                              Start date (UTC):20/03/2025
                                                              Path:/usr/bin/rm
                                                              Arguments:rm -f /tmp/tmp.ceM7k6SrLq /tmp/tmp.WEbBaEIoeq /tmp/tmp.8ffNp6918d
                                                              File size:72056 bytes
                                                              MD5 hash:aa2b5496fdbfd88e38791ab81f90b95b