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Linux Analysis Report
parm5.elf

Overview

General Information

Sample name:parm5.elf
Analysis ID:1646327
MD5:e63fb873f7f6e27920da3d875da280cb
SHA1:dae51b46378b98eb4d98adcfa805e6b4713b2b2a
SHA256:045878d5c5ff20c586f73206a82a443311a4c354f218090b98c3cfb3ea92279a
Tags:user-elfdigest
Infos:

Detection

Score:52
Range:0 - 100

Signatures

Multi AV Scanner detection for submitted file
Sample is packed with UPX
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)

Classification

RansomwareSpreadingPhishingBankerTrojan / BotAdwareSpywareExploiterEvaderMinercleansuspiciousmalicious
Joe Sandbox version:42.0.0 Malachite
Analysis ID:1646327
Start date and time:2025-03-23 22:31:30 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 57s
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:parm5.elf
Detection:MAL
Classification:mal52.evad.linELF@0/0@0/0
Command:/tmp/parm5.elf
PID:6248
Exit Code:127
Exit Code Info:
Killed:False
Standard Output:

Standard Error:
  • system is lnxubuntu20
  • parm5.elf (PID: 6248, Parent: 6171, MD5: 5ebfcae4fe2471fcc5695c2394773ff1) Arguments: /tmp/parm5.elf
  • dash New Fork (PID: 6293, Parent: 4332)
  • rm (PID: 6293, Parent: 4332, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.2QcXu1rR7c /tmp/tmp.jCTfdtQvBb /tmp/tmp.axzh1WwUMY
  • dash New Fork (PID: 6294, Parent: 4332)
  • rm (PID: 6294, Parent: 4332, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.2QcXu1rR7c /tmp/tmp.jCTfdtQvBb /tmp/tmp.axzh1WwUMY
  • cleanup
No yara matches
No Suricata rule has matched

Click to jump to signature section

Show All Signature Results

AV Detection

barindex
Source: parm5.elfReversingLabs: Detection: 38%
Source: parm5.elfVirustotal: Detection: 35%Perma Link
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: 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: 91.189.91.43
Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknownTCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.43
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: parm5.elfString found in binary or memory: http://upx.sf.net
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: 0x8000
Source: classification engineClassification label: mal52.evad.linELF@0/0@0/0

Data Obfuscation

barindex
Source: initial sampleString containing UPX found: $Info: This file is packed with the UPX executable packer http://upx.sf.net $
Source: initial sampleString containing UPX found: $Info: This file is packed with the UPX executable packer http://upx.sf.net $
Source: initial sampleString containing UPX found: $Id: UPX 3.94 Copyright (C) 1996-2017 the UPX Team. All Rights Reserved. $
Source: /usr/bin/dash (PID: 6293)Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.2QcXu1rR7c /tmp/tmp.jCTfdtQvBb /tmp/tmp.axzh1WwUMYJump to behavior
Source: /usr/bin/dash (PID: 6294)Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.2QcXu1rR7c /tmp/tmp.jCTfdtQvBb /tmp/tmp.axzh1WwUMYJump to behavior
Source: parm5.elfSubmission file: segment LOAD with 7.8691 entropy (max. 8.0)
Source: /tmp/parm5.elf (PID: 6248)Queries kernel information via 'uname': Jump to behavior
Source: parm5.elf, 6248.1.000055c9e8fd4000.000055c9e91c2000.rw-.sdmpBinary or memory string: U!/etc/qemu-binfmt/arm
Source: parm5.elf, 6248.1.00007ffd2c9e9000.00007ffd2ca0a000.rw-.sdmpBinary or memory string: x86_64/usr/bin/qemu-arm/tmp/parm5.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/parm5.elf
Source: parm5.elf, 6248.1.000055c9e8fd4000.000055c9e91c2000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/arm
Source: parm5.elf, 6248.1.00007ffd2c9e9000.00007ffd2ca0a000.rw-.sdmpBinary or memory string: /usr/bin/qemu-arm
ReconnaissanceResource DevelopmentInitial AccessExecutionPersistencePrivilege EscalationDefense EvasionCredential AccessDiscoveryLateral MovementCollectionCommand and ControlExfiltrationImpact
Gather Victim Identity InformationAcquire InfrastructureValid AccountsWindows Management InstrumentationPath InterceptionPath Interception11
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
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1646327 Sample: parm5.elf Startdate: 23/03/2025 Architecture: LINUX Score: 52 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 20 Sample is packed with UPX 2->20 6 dash rm 2->6         started        8 dash rm 2->8         started        10 parm5.elf 2->10         started        signatures3 process4
SourceDetectionScannerLabelLink
parm5.elf39%ReversingLabsLinux.Trojan.Mirai
parm5.elf36%VirustotalBrowse
No Antivirus matches
No Antivirus matches
No Antivirus matches

Download Network PCAP: filteredfull

No contacted domains info
NameSourceMaliciousAntivirus DetectionReputation
http://upx.sf.netparm5.elffalse
    high
    • 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 created / dropped files found
                                                                File type:ELF 32-bit LSB executable, ARM, EABI4 version 1 (GNU/Linux), statically linked, no section header
                                                                Entropy (8bit):7.865333156477374
                                                                TrID:
                                                                • ELF Executable and Linkable format (generic) (4004/1) 100.00%
                                                                File name:parm5.elf
                                                                File size:17'148 bytes
                                                                MD5:e63fb873f7f6e27920da3d875da280cb
                                                                SHA1:dae51b46378b98eb4d98adcfa805e6b4713b2b2a
                                                                SHA256:045878d5c5ff20c586f73206a82a443311a4c354f218090b98c3cfb3ea92279a
                                                                SHA512:9995d69ed87e9fbc7bfe8a75f35db9b1271242a11c4d556986f22315699e919d368da6e0d607c04b4fab9345e4cff44a1da68fff81a9d14e4861046ed38412ce
                                                                SSDEEP:384:inDN9PdRIB8LpUQf7l95FXnyIZx+Rh7qmdGUEpiaL:IhtbxfL5FzZx69q3UELL
                                                                TLSH:8472B014C064DC62C9B00835E97C8ECB756B5B78E0EF303317948D9865931A7BDF9993
                                                                File Content Preview:.ELF..............(.....`...4...........4. ...(.....................MA..MA..............p...p...p...................Q.td............................=.%<UPX!........\...\.......n..........?.E.h;....#..$....e.........;..w...i.G@.g....:......./5..6.uO.4..q..

                                                                ELF header

                                                                Class:ELF32
                                                                Data:2's complement, little endian
                                                                Version:1 (current)
                                                                Machine:ARM
                                                                Version Number:0x1
                                                                Type:EXEC (Executable file)
                                                                OS/ABI:UNIX - Linux
                                                                ABI Version:0
                                                                Entry Point Address:0xaf60
                                                                Flags:0x4000002
                                                                ELF Header Size:52
                                                                Program Header Offset:52
                                                                Program Header Size:32
                                                                Number of Program Headers:3
                                                                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
                                                                LOAD0x00x80000x80000x414d0x414d7.86910x5R E0x8000
                                                                LOAD0x5700x185700x185700x00x00.00000x6RW 0x8000
                                                                GNU_STACK0x00x00x00x00x00.00000x7RWE0x4

                                                                Download Network PCAP: filteredfull

                                                                • Total Packets: 11
                                                                • 443 (HTTPS)
                                                                • 80 (HTTP)
                                                                TimestampSource PortDest PortSource IPDest IP
                                                                Mar 23, 2025 22:32:33.144906998 CET4251680192.168.2.23109.202.202.202
                                                                Mar 23, 2025 22:32:34.424777985 CET43928443192.168.2.2391.189.91.42
                                                                Mar 23, 2025 22:32:37.757059097 CET39252443192.168.2.2334.249.145.219
                                                                Mar 23, 2025 22:32:37.757111073 CET4433925234.249.145.219192.168.2.23
                                                                Mar 23, 2025 22:32:37.757268906 CET39252443192.168.2.2334.249.145.219
                                                                Mar 23, 2025 22:32:37.757584095 CET39252443192.168.2.2334.249.145.219
                                                                Mar 23, 2025 22:32:37.757601023 CET4433925234.249.145.219192.168.2.23
                                                                Mar 23, 2025 22:32:39.800164938 CET42836443192.168.2.2391.189.91.43
                                                                Mar 23, 2025 22:32:54.902035952 CET43928443192.168.2.2391.189.91.42
                                                                Mar 23, 2025 22:33:03.092992067 CET4251680192.168.2.23109.202.202.202
                                                                Mar 23, 2025 22:33:07.188452959 CET42836443192.168.2.2391.189.91.43
                                                                Mar 23, 2025 22:33:35.856750965 CET43928443192.168.2.2391.189.91.42
                                                                Mar 23, 2025 22:33:37.749905109 CET39252443192.168.2.2334.249.145.219
                                                                Mar 23, 2025 22:33:37.796339035 CET4433925234.249.145.219192.168.2.23

                                                                System Behavior

                                                                Start time (UTC):21:32:33
                                                                Start date (UTC):23/03/2025
                                                                Path:/tmp/parm5.elf
                                                                Arguments:/tmp/parm5.elf
                                                                File size:4956856 bytes
                                                                MD5 hash:5ebfcae4fe2471fcc5695c2394773ff1

                                                                Start time (UTC):21:33:37
                                                                Start date (UTC):23/03/2025
                                                                Path:/usr/bin/dash
                                                                Arguments:-
                                                                File size:129816 bytes
                                                                MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                                                                Start time (UTC):21:33:37
                                                                Start date (UTC):23/03/2025
                                                                Path:/usr/bin/rm
                                                                Arguments:rm -f /tmp/tmp.2QcXu1rR7c /tmp/tmp.jCTfdtQvBb /tmp/tmp.axzh1WwUMY
                                                                File size:72056 bytes
                                                                MD5 hash:aa2b5496fdbfd88e38791ab81f90b95b

                                                                Start time (UTC):21:33:37
                                                                Start date (UTC):23/03/2025
                                                                Path:/usr/bin/dash
                                                                Arguments:-
                                                                File size:129816 bytes
                                                                MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                                                                Start time (UTC):21:33:37
                                                                Start date (UTC):23/03/2025
                                                                Path:/usr/bin/rm
                                                                Arguments:rm -f /tmp/tmp.2QcXu1rR7c /tmp/tmp.jCTfdtQvBb /tmp/tmp.axzh1WwUMY
                                                                File size:72056 bytes
                                                                MD5 hash:aa2b5496fdbfd88e38791ab81f90b95b