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Linux Analysis Report
Mozi.m.elf

Overview

General Information

Sample name:Mozi.m.elf
Analysis ID:1560601
MD5:6ff4148d7e8b20a23936bf668c52d111
SHA1:2c3842efd8f52f941d214fb82de5c083be8ad8e1
SHA256:42af00743a29b4392cb3e3014618772c5520fe64608830671386336290d9235c
Tags:elfuser-abuse_ch
Infos:

Detection

Score:64
Range:0 - 100
Whitelisted:false

Signatures

Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
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
Uses the "uname" system call to query kernel version information (possible evasion)
Yara signature match

Classification

Joe Sandbox version:41.0.0 Charoite
Analysis ID:1560601
Start date and time:2024-11-22 01:37:04 +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:Mozi.m.elf
Detection:MAL
Classification:mal64.linELF@0/0@0/0
Command:/tmp/Mozi.m.elf
PID:6252
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
  • dash New Fork (PID: 6225, Parent: 4337)
  • rm (PID: 6225, Parent: 4337, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.g2tmwYyzI1 /tmp/tmp.WIHK5A4Zbs /tmp/tmp.g81a0kguxI
  • dash New Fork (PID: 6226, Parent: 4337)
  • rm (PID: 6226, Parent: 4337, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.g2tmwYyzI1 /tmp/tmp.WIHK5A4Zbs /tmp/tmp.g81a0kguxI
  • Mozi.m.elf (PID: 6252, Parent: 6152, MD5: 0083f1f0e77be34ad27f849842bbb00c) Arguments: /tmp/Mozi.m.elf
  • cleanup
SourceRuleDescriptionAuthorStrings
Mozi.m.elfLinux_Packer_Patched_UPX_62e11c64unknownunknown
  • 0x78:$a: 55 50 58 21 0A 58 0D 89 00 00 00 00 00 00 00 00 00 00 00 00
SourceRuleDescriptionAuthorStrings
6252.1.00007f8980400000.00007f8980422000.r-x.sdmpLinux_Packer_Patched_UPX_62e11c64unknownunknown
  • 0x78:$a: 55 50 58 21 0A 58 0D 89 00 00 00 00 00 00 00 00 00 00 00 00
No Suricata rule has matched

Click to jump to signature section

Show All Signature Results

AV Detection

barindex
Source: Mozi.m.elfAvira: detected
Source: Mozi.m.elfReversingLabs: Detection: 42%
Source: Mozi.m.elfVirustotal: Detection: 28%Perma Link
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: 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 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

System Summary

barindex
Source: Mozi.m.elf, type: SAMPLEMatched rule: Linux_Packer_Patched_UPX_62e11c64 Author: unknown
Source: 6252.1.00007f8980400000.00007f8980422000.r-x.sdmp, type: MEMORYMatched rule: Linux_Packer_Patched_UPX_62e11c64 Author: unknown
Source: LOAD without section mappingsProgram segment: 0x400000
Source: Mozi.m.elf, type: SAMPLEMatched rule: Linux_Packer_Patched_UPX_62e11c64 reference_sample = 02f81a1e1edcb9032a1d7256a002b11e1e864b2e9989f5d24ea1c9b507895669, os = linux, severity = x86, creation_date = 2021-06-08, scan_context = file, reference = https://cujo.com/upx-anti-unpacking-techniques-in-iot-malware/, license = Elastic License v2, threat_name = Linux.Packer.Patched_UPX, fingerprint = 3297b5c63e70c557e71b739428b453039b142e1e04c2ab15eea4627d023b686d, id = 62e11c64-fc7d-4a0a-9d72-ad53ec3987ff, last_modified = 2021-07-28
Source: 6252.1.00007f8980400000.00007f8980422000.r-x.sdmp, type: MEMORYMatched rule: Linux_Packer_Patched_UPX_62e11c64 reference_sample = 02f81a1e1edcb9032a1d7256a002b11e1e864b2e9989f5d24ea1c9b507895669, os = linux, severity = x86, creation_date = 2021-06-08, scan_context = file, reference = https://cujo.com/upx-anti-unpacking-techniques-in-iot-malware/, license = Elastic License v2, threat_name = Linux.Packer.Patched_UPX, fingerprint = 3297b5c63e70c557e71b739428b453039b142e1e04c2ab15eea4627d023b686d, id = 62e11c64-fc7d-4a0a-9d72-ad53ec3987ff, last_modified = 2021-07-28
Source: classification engineClassification label: mal64.linELF@0/0@0/0
Source: /usr/bin/dash (PID: 6225)Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.g2tmwYyzI1 /tmp/tmp.WIHK5A4Zbs /tmp/tmp.g81a0kguxIJump to behavior
Source: /usr/bin/dash (PID: 6226)Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.g2tmwYyzI1 /tmp/tmp.WIHK5A4Zbs /tmp/tmp.g81a0kguxIJump to behavior
Source: Mozi.m.elfSubmission file: segment LOAD with 7.7906 entropy (max. 8.0)
Source: /tmp/Mozi.m.elf (PID: 6252)Queries kernel information via 'uname': Jump to behavior
Source: Mozi.m.elf, 6252.1.00005594b4df4000.00005594b4e7b000.rw-.sdmpBinary or memory string: U!/etc/qemu-binfmt/mips
Source: Mozi.m.elf, 6252.1.00005594b4df4000.00005594b4e7b000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/mips
Source: Mozi.m.elf, 6252.1.00007ffd4a568000.00007ffd4a589000.rw-.sdmpBinary or memory string: /usr/bin/qemu-mips
Source: Mozi.m.elf, 6252.1.00007ffd4a568000.00007ffd4a589000.rw-.sdmpBinary or memory string: x86_64/usr/bin/qemu-mips/tmp/Mozi.m.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/Mozi.m.elf
Source: Mozi.m.elf, 6252.1.00007ffd4a568000.00007ffd4a589000.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
Obfuscated Files or Information
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 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
SourceDetectionScannerLabelLink
Mozi.m.elf42%ReversingLabsLinux.Trojan.Dakkatoni
Mozi.m.elf28%VirustotalBrowse
Mozi.m.elf100%AviraLINUX/Siggen.rfupu
No Antivirus matches
No Antivirus matches
No Antivirus matches
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 created / dropped files found
                                                              File type:ELF 32-bit MSB executable, MIPS, MIPS-I version 1 (SYSV), statically linked, no section header
                                                              Entropy (8bit):7.790600284593003
                                                              TrID:
                                                              • ELF Executable and Linkable format (Linux) (4029/14) 50.16%
                                                              • ELF Executable and Linkable format (generic) (4004/1) 49.84%
                                                              File name:Mozi.m.elf
                                                              File size:106'560 bytes
                                                              MD5:6ff4148d7e8b20a23936bf668c52d111
                                                              SHA1:2c3842efd8f52f941d214fb82de5c083be8ad8e1
                                                              SHA256:42af00743a29b4392cb3e3014618772c5520fe64608830671386336290d9235c
                                                              SHA512:64155137e7841964f1f7b22ece31556a46261cd7b875f6b8951d8af88b0047af5312ca092768594670fe0b577d4cb8d7b965f6d95fb98325970b27394de38790
                                                              SSDEEP:1536:pxpJNlEYvXndUt/afLuZmVelu9eoCtcCCzNbC4RWC0CQFW3RLlNCzgb0OmfPn+VI:phNlHuBafLeBtfCzpta8xlBIOdVI
                                                              TLSH:C2A3124AFF359D0ACB0009B71BDA9E8E9C6D7B6B42CBB8A439C1958F53910CE7C57204
                                                              File Content Preview:.ELF.....................B.....4.........4. ...(.............@...@...........................C...C......../..........*.*UPX!.X.....................^....|.$..ELF..........@.`....4...0... ...(......<...@......[v......H...`.t..;_...dt.Q.....].M..............

                                                              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:0x4206a8
                                                              Flags:0x1007
                                                              ELF Header Size:52
                                                              Program Header Offset:52
                                                              Program Header Size:32
                                                              Number of Program Headers:2
                                                              Section Header Offset:0
                                                              Section Header Size:40
                                                              Number of Section Headers:0
                                                              Header String Table Index:0
                                                              TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
                                                              LOAD0x00x4000000x4000000x210f20x210f27.79060x5R E0x10000
                                                              LOAD0x00x4300000x4300000x00x92fd80.00000x6RW 0x10000
                                                              TimestampSource PortDest PortSource IPDest IP
                                                              Nov 22, 2024 01:37:47.888313055 CET4433360654.171.230.55192.168.2.23
                                                              Nov 22, 2024 01:37:47.888494968 CET33606443192.168.2.2354.171.230.55
                                                              Nov 22, 2024 01:37:48.007999897 CET4433360654.171.230.55192.168.2.23
                                                              Nov 22, 2024 01:37:50.410687923 CET43928443192.168.2.2391.189.91.42
                                                              Nov 22, 2024 01:37:55.786072969 CET42836443192.168.2.2391.189.91.43
                                                              Nov 22, 2024 01:37:57.065886974 CET4251680192.168.2.23109.202.202.202
                                                              Nov 22, 2024 01:38:11.399912119 CET43928443192.168.2.2391.189.91.42
                                                              Nov 22, 2024 01:38:21.638386965 CET42836443192.168.2.2391.189.91.43
                                                              Nov 22, 2024 01:38:27.781635046 CET4251680192.168.2.23109.202.202.202
                                                              Nov 22, 2024 01:38:52.354231119 CET43928443192.168.2.2391.189.91.42
                                                              Nov 22, 2024 01:39:12.831453085 CET42836443192.168.2.2391.189.91.43

                                                              System Behavior

                                                              Start time (UTC):00:37:46
                                                              Start date (UTC):22/11/2024
                                                              Path:/usr/bin/dash
                                                              Arguments:-
                                                              File size:129816 bytes
                                                              MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                                                              Start time (UTC):00:37:46
                                                              Start date (UTC):22/11/2024
                                                              Path:/usr/bin/rm
                                                              Arguments:rm -f /tmp/tmp.g2tmwYyzI1 /tmp/tmp.WIHK5A4Zbs /tmp/tmp.g81a0kguxI
                                                              File size:72056 bytes
                                                              MD5 hash:aa2b5496fdbfd88e38791ab81f90b95b

                                                              Start time (UTC):00:37:46
                                                              Start date (UTC):22/11/2024
                                                              Path:/usr/bin/dash
                                                              Arguments:-
                                                              File size:129816 bytes
                                                              MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                                                              Start time (UTC):00:37:46
                                                              Start date (UTC):22/11/2024
                                                              Path:/usr/bin/rm
                                                              Arguments:rm -f /tmp/tmp.g2tmwYyzI1 /tmp/tmp.WIHK5A4Zbs /tmp/tmp.g81a0kguxI
                                                              File size:72056 bytes
                                                              MD5 hash:aa2b5496fdbfd88e38791ab81f90b95b

                                                              Start time (UTC):00:37:48
                                                              Start date (UTC):22/11/2024
                                                              Path:/tmp/Mozi.m.elf
                                                              Arguments:/tmp/Mozi.m.elf
                                                              File size:5777432 bytes
                                                              MD5 hash:0083f1f0e77be34ad27f849842bbb00c