Edit tour

Linux Analysis Report
EdiAf.arm5.elf

Overview

General Information

Sample name:EdiAf.arm5.elf
Analysis ID:1639841
MD5:c356edd9f2344a8a9878be08f99789dd
SHA1:a3f6280d9255d0a9636c669aa966da9629bd9702
SHA256:66b43ea0adeb5ccf0edc5751f4347b023e6e9049e3457e134c91f957c0584c7d
Tags:elfuser-abuse_ch
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
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:1639841
Start date and time:2025-03-16 11:47:13 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 20s
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:EdiAf.arm5.elf
Detection:MAL
Classification:mal52.evad.linELF@0/0@2/0
Command:/tmp/EdiAf.arm5.elf
PID:5404
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
  • EdiAf.arm5.elf (PID: 5404, Parent: 5329, MD5: 5ebfcae4fe2471fcc5695c2394773ff1) Arguments: /tmp/EdiAf.arm5.elf
  • cleanup
No yara matches
No Suricata rule has matched

Click to jump to signature section

Show All Signature Results

AV Detection

barindex
Source: EdiAf.arm5.elfReversingLabs: Detection: 44%
Source: unknownUDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknownUDP traffic detected without corresponding DNS query: 1.1.1.1
Source: global trafficDNS traffic detected: DNS query: daisy.ubuntu.com
Source: EdiAf.arm5.elfString found in binary or memory: http://upx.sf.net
Source: LOAD without section mappingsProgram segment: 0x8000
Source: classification engineClassification label: mal52.evad.linELF@0/0@2/0

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 3.95 Copyright (C) 1996-2018 the UPX Team. All Rights Reserved. $
Source: EdiAf.arm5.elfSubmission file: segment LOAD with 7.9146 entropy (max. 8.0)
Source: /tmp/EdiAf.arm5.elf (PID: 5404)Queries kernel information via 'uname': Jump to behavior
Source: EdiAf.arm5.elf, 5404.1.00007ffffe850000.00007ffffe871000.rw-.sdmpBinary or memory string: +Yx86_64/usr/bin/qemu-arm/tmp/EdiAf.arm5.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/EdiAf.arm5.elf
Source: EdiAf.arm5.elf, 5404.1.0000565363442000.0000565363570000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/arm
Source: EdiAf.arm5.elf, 5404.1.00007ffffe850000.00007ffffe871000.rw-.sdmpBinary or memory string: /usr/bin/qemu-arm
Source: EdiAf.arm5.elf, 5404.1.00007ffffe850000.00007ffffe871000.rw-.sdmpBinary or memory string: qemu: uncaught target signal 11 (Segmentation fault) - core dumped
Source: EdiAf.arm5.elf, 5404.1.0000565363442000.0000565363570000.rw-.sdmpBinary or memory string: EcSV!/etc/qemu-binfmt/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
Non-Application Layer Protocol
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: 1639841 Sample: EdiAf.arm5.elf Startdate: 16/03/2025 Architecture: LINUX Score: 52 8 daisy.ubuntu.com 2->8 10 Multi AV Scanner detection for submitted file 2->10 12 Sample is packed with UPX 2->12 6 EdiAf.arm5.elf 2->6         started        signatures3 process4
SourceDetectionScannerLabelLink
EdiAf.arm5.elf44%ReversingLabsLinux.Trojan.Mirai
No Antivirus matches
No Antivirus matches
No Antivirus matches

Download Network PCAP: filteredfull

NameIPActiveMaliciousAntivirus DetectionReputation
daisy.ubuntu.com
162.213.35.25
truefalse
    high
    NameSourceMaliciousAntivirus DetectionReputation
    http://upx.sf.netEdiAf.arm5.elffalse
      high
      No contacted IP infos
      No context
      MatchAssociated Sample Name / URLSHA 256DetectionThreat NameLinkContext
      daisy.ubuntu.comEdiAf.mpsl.elfGet hashmaliciousUnknownBrowse
      • 162.213.35.25
      EdiAf.arm6.elfGet hashmaliciousUnknownBrowse
      • 162.213.35.25
      .i.elfGet hashmaliciousMiraiBrowse
      • 162.213.35.25
      .i.elfGet hashmaliciousUnknownBrowse
      • 162.213.35.24
      yakuza.ppc.elfGet hashmaliciousUnknownBrowse
      • 162.213.35.25
      sora.mpsl.elfGet hashmaliciousMiraiBrowse
      • 162.213.35.25
      sora.sh4.elfGet hashmaliciousMiraiBrowse
      • 162.213.35.24
      sora.arm7.elfGet hashmaliciousMiraiBrowse
      • 162.213.35.25
      sora.spc.elfGet hashmaliciousMiraiBrowse
      • 162.213.35.24
      sora.m68k.elfGet hashmaliciousMiraiBrowse
      • 162.213.35.24
      No context
      No context
      No context
      No created / dropped files found
      File type:ELF 32-bit LSB executable, ARM, version 1 (ARM), statically linked, no section header
      Entropy (8bit):7.911504256784567
      TrID:
      • ELF Executable and Linkable format (generic) (4004/1) 100.00%
      File name:EdiAf.arm5.elf
      File size:22'116 bytes
      MD5:c356edd9f2344a8a9878be08f99789dd
      SHA1:a3f6280d9255d0a9636c669aa966da9629bd9702
      SHA256:66b43ea0adeb5ccf0edc5751f4347b023e6e9049e3457e134c91f957c0584c7d
      SHA512:95ce78e13d1237c3c9f0c23b0aa80d8712cfa9800847be8044a9a5c021f115f7c9820985b2d3db68b58a922f5715de5e64ea48efc8d6c79e6069e3ebef6e385e
      SSDEEP:384:xYSn0LUjR6zyDj8Fz2bi30uiNJtgLGdxmNMsopjiz+0K8Zgc3dVMBmTF0zSmdGU6:xYlEqkjAzF30uiNILYKCjF0vOc3d6BmJ
      TLSH:3FA2CFF156939872E5B05C37D9F7D14841760ABD9455608F2209A3ACA7CCA8BCEECF42
      File Content Preview:.ELF...a..........(.........4...........4. ...(......................T...T..............................p...........Q.td............................K..gUPX!....................q..........?.E.h;.}...^.......Q.WU.{<Z..KMn/..+.4....S.)....$.w.*.r.....>..C&.(

      ELF header

      Class:ELF32
      Data:2's complement, little endian
      Version:1 (current)
      Machine:ARM
      Version Number:0x1
      Type:EXEC (Executable file)
      OS/ABI:ARM - ABI
      ABI Version:0
      Entry Point Address:0xc31c
      Flags:0x2
      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
      LOAD0x00x80000x80000x54e40x54e47.91460x5R E0x8000
      LOAD0x00x100000x100000x00xcb700.00000x6RW 0x8000
      GNU_STACK0x00x00x00x00x00.00000x7RWE0x4

      Download Network PCAP: filteredfull

      TimestampSource PortDest PortSource IPDest IP
      Mar 16, 2025 11:47:57.459547043 CET4095253192.168.2.131.1.1.1
      Mar 16, 2025 11:47:57.459597111 CET5373553192.168.2.131.1.1.1
      Mar 16, 2025 11:47:57.466578960 CET53537351.1.1.1192.168.2.13
      Mar 16, 2025 11:47:57.503494978 CET53409521.1.1.1192.168.2.13
      TimestampSource IPDest IPTrans IDOP CodeNameTypeClassDNS over HTTPS
      Mar 16, 2025 11:47:57.459547043 CET192.168.2.131.1.1.10x8ceaStandard query (0)daisy.ubuntu.comA (IP address)IN (0x0001)false
      Mar 16, 2025 11:47:57.459597111 CET192.168.2.131.1.1.10x7655Standard query (0)daisy.ubuntu.com28IN (0x0001)false
      TimestampSource IPDest IPTrans IDReply CodeNameCNameAddressTypeClassDNS over HTTPS
      Mar 16, 2025 11:47:57.503494978 CET1.1.1.1192.168.2.130x8ceaNo error (0)daisy.ubuntu.com162.213.35.25A (IP address)IN (0x0001)false
      Mar 16, 2025 11:47:57.503494978 CET1.1.1.1192.168.2.130x8ceaNo error (0)daisy.ubuntu.com162.213.35.24A (IP address)IN (0x0001)false

      System Behavior

      Start time (UTC):10:47:55
      Start date (UTC):16/03/2025
      Path:/tmp/EdiAf.arm5.elf
      Arguments:/tmp/EdiAf.arm5.elf
      File size:4956856 bytes
      MD5 hash:5ebfcae4fe2471fcc5695c2394773ff1