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Linux Analysis Report
miner.elf

Overview

General Information

Sample name:miner.elf
Analysis ID:1644556
MD5:0a5d41f6e410e5040b71f668a1d6543f
SHA1:7b10c8a57dd88830ac209eac5be78aa464e506e7
SHA256:cb3b1d6b2e98d7683774fbe9341e7b35cd426eda7fcbda0813ba9e69ee492045
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:1644556
Start date and time:2025-03-20 17:24:17 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 31s
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:6233
Exit Code:135
Exit Code Info:
Killed:False
Standard Output:

Standard Error:
  • system is lnxubuntu20
  • miner.elf (PID: 6233, Parent: 6154, MD5: 0a5d41f6e410e5040b71f668a1d6543f) Arguments: /tmp/miner.elf
  • dash New Fork (PID: 6310, Parent: 4331)
  • rm (PID: 6310, Parent: 4331, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.68WnJMJQMh /tmp/tmp.Zm7X5qyrwt /tmp/tmp.XyWG6cbF2C
  • dash New Fork (PID: 6311, Parent: 4331)
  • rm (PID: 6311, Parent: 4331, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.68WnJMJQMh /tmp/tmp.Zm7X5qyrwt /tmp/tmp.XyWG6cbF2C
  • 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 43928 -> 443
Source: unknownNetwork traffic detected: HTTP traffic on port 39248 -> 443
Source: unknownNetwork traffic detected: HTTP traffic on port 443 -> 39248
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: 6310)Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.68WnJMJQMh /tmp/tmp.Zm7X5qyrwt /tmp/tmp.XyWG6cbF2CJump to behavior
Source: /usr/bin/dash (PID: 6311)Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.68WnJMJQMh /tmp/tmp.Zm7X5qyrwt /tmp/tmp.XyWG6cbF2CJump to behavior
Source: miner.elfSubmission file: segment LOAD with 7.9996 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: 1644556 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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                                                              • 34.249.145.219
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                                                              • 13.249.91.19
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                                                              • 13.33.251.140
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                                                              • 13.249.91.73
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                                                              • 34.249.145.219
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                                                              • 34.249.145.219
                                                              main_sh4.elfGet hashmaliciousMiraiBrowse
                                                              • 34.243.160.129
                                                              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):7.999594014863918
                                                              TrID:
                                                              • ELF Executable and Linkable format (generic) (4004/1) 100.00%
                                                              File name:miner.elf
                                                              File size:518'131 bytes
                                                              MD5:0a5d41f6e410e5040b71f668a1d6543f
                                                              SHA1:7b10c8a57dd88830ac209eac5be78aa464e506e7
                                                              SHA256:cb3b1d6b2e98d7683774fbe9341e7b35cd426eda7fcbda0813ba9e69ee492045
                                                              SHA512:9575cb38f7cc704704967f21ec7494ad6498b887b90af04b6fbd11ce70f43aebc1200912e243ad3e2ecff931eb0dcf0e65cd104546536e3b4a2778b5fbbe7697
                                                              SSDEEP:12288:PQesbwhx7kOQ4x1QJxhEol1X+QbchK0tvDZxMXG:PvswhZT3/QJLfl1X+Q47tv7d
                                                              TLSH:38B4235D657AA8B7D6786F7122DC0842984E28769A2C4F055DF8C428AEC1D83B3372DF
                                                              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
                                                              LOAD0x00x4000000x4000000x1be1cd0x1be1cd7.99960x5R E0x200000
                                                              LOAD0xcfb600xacfb600xacfb600x00x00.00000x6RW 0x200000

                                                              Download Network PCAP: filteredfull

                                                              • Total Packets: 11
                                                              • 443 (HTTPS)
                                                              • 80 (HTTP)
                                                              TimestampSource PortDest PortSource IPDest IP
                                                              Mar 20, 2025 17:25:02.694333076 CET43928443192.168.2.2391.189.91.42
                                                              Mar 20, 2025 17:25:08.072329998 CET42836443192.168.2.2391.189.91.43
                                                              Mar 20, 2025 17:25:09.605325937 CET4251680192.168.2.23109.202.202.202
                                                              Mar 20, 2025 17:25:24.398325920 CET39248443192.168.2.2334.249.145.219
                                                              Mar 20, 2025 17:25:24.398397923 CET4433924834.249.145.219192.168.2.23
                                                              Mar 20, 2025 17:25:24.398598909 CET39248443192.168.2.2334.249.145.219
                                                              Mar 20, 2025 17:25:24.399265051 CET39248443192.168.2.2334.249.145.219
                                                              Mar 20, 2025 17:25:24.399286985 CET4433924834.249.145.219192.168.2.23
                                                              Mar 20, 2025 17:25:24.451311111 CET43928443192.168.2.2391.189.91.42
                                                              Mar 20, 2025 17:25:34.689847946 CET42836443192.168.2.2391.189.91.43
                                                              Mar 20, 2025 17:25:40.833065987 CET4251680192.168.2.23109.202.202.202
                                                              Mar 20, 2025 17:26:05.405772924 CET43928443192.168.2.2391.189.91.42
                                                              Mar 20, 2025 17:26:24.390801907 CET39248443192.168.2.2334.249.145.219
                                                              Mar 20, 2025 17:26:24.432367086 CET4433924834.249.145.219192.168.2.23
                                                              Mar 20, 2025 17:27:07.160809040 CET4433924834.249.145.219192.168.2.23

                                                              System Behavior

                                                              Start time (UTC):16:25:02
                                                              Start date (UTC):20/03/2025
                                                              Path:/tmp/miner.elf
                                                              Arguments:/tmp/miner.elf
                                                              File size:518131 bytes
                                                              MD5 hash:0a5d41f6e410e5040b71f668a1d6543f
                                                              Start time (UTC):16:26:23
                                                              Start date (UTC):20/03/2025
                                                              Path:/usr/bin/dash
                                                              Arguments:-
                                                              File size:129816 bytes
                                                              MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                                                              Start time (UTC):16:26:23
                                                              Start date (UTC):20/03/2025
                                                              Path:/usr/bin/rm
                                                              Arguments:rm -f /tmp/tmp.68WnJMJQMh /tmp/tmp.Zm7X5qyrwt /tmp/tmp.XyWG6cbF2C
                                                              File size:72056 bytes
                                                              MD5 hash:aa2b5496fdbfd88e38791ab81f90b95b

                                                              Start time (UTC):16:26:23
                                                              Start date (UTC):20/03/2025
                                                              Path:/usr/bin/dash
                                                              Arguments:-
                                                              File size:129816 bytes
                                                              MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                                                              Start time (UTC):16:26:23
                                                              Start date (UTC):20/03/2025
                                                              Path:/usr/bin/rm
                                                              Arguments:rm -f /tmp/tmp.68WnJMJQMh /tmp/tmp.Zm7X5qyrwt /tmp/tmp.XyWG6cbF2C
                                                              File size:72056 bytes
                                                              MD5 hash:aa2b5496fdbfd88e38791ab81f90b95b