Joe Sandbox Cloud Basic Analysis Report
Edit tour

Linux Analysis Report
garm6.elf

Overview

General Information

Sample name:garm6.elf
Analysis ID:1648010
MD5:e3c042be5462ee887fd303035a7e19a6
SHA1:21e83e5ba454879d16aa8836de9e71e51ff1a177
SHA256:cc5afffcb9811f0b0c0e9084554f4d2e334007b7b41a1006da4016c330cf33be
Tags:elfuser-abuse_ch
Infos:

Detection

Score:48
Range:0 - 100

Signatures

Multi AV Scanner detection for submitted file
Sample has stripped symbol table
Uses the "uname" system call to query kernel version information (possible evasion)

Classification

RansomwareSpreadingPhishingBankerTrojan / BotAdwareSpywareExploiterEvaderMinercleansuspiciousmalicious

General Information

Joe Sandbox version:42.0.0 Malachite
Analysis ID:1648010
Start date and time:2025-03-25 13:44:55 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 18s
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:garm6.elf
Detection:MAL
Classification:mal48.linELF@0/0@2/0

Runtime Messages

Command:/tmp/garm6.elf
PID:5501
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

Process Tree

  • system is lnxubuntu20
  • garm6.elf (PID: 5501, Parent: 5429, MD5: 5ebfcae4fe2471fcc5695c2394773ff1) Arguments: /tmp/garm6.elf
  • cleanup

Yara Signatures

⊘No yara matches

Suricata Signatures

⊘No Suricata rule has matched

Joe Sandbox Signatures

  • • AV Detection
  • • Networking
  • • System Summary
  • • Malware Analysis System Evasion

Click to jump to signature section

Show All Signature Results

AV Detection

barindex
Source: garm6.elfVirustotal: Detection: 19%Perma Link
Source: garm6.elfReversingLabs: Detection: 33%
Source: global trafficDNS traffic detected: DNS query: daisy.ubuntu.com
Source: ELF static info symbol of initial sample.symtab present: no
Source: classification engineClassification label: mal48.linELF@0/0@2/0
Source: /tmp/garm6.elf (PID: 5501)Queries kernel information via 'uname': Jump to behavior
Source: garm6.elf, 5501.1.00007ffed19e1000.00007ffed1a02000.rw-.sdmpBinary or memory string: L0rx86_64/usr/bin/qemu-arm/tmp/garm6.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/garm6.elf
Source: garm6.elf, 5501.1.000055c2931d1000.000055c2932ff000.rw-.sdmpBinary or memory string: U!/etc/qemu-binfmt/arm
Source: garm6.elf, 5501.1.000055c2931d1000.000055c2932ff000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/arm
Source: garm6.elf, 5501.1.00007ffed19e1000.00007ffed1a02000.rw-.sdmpBinary or memory string: /usr/bin/qemu-arm
Source: garm6.elf, 5501.1.00007ffed19e1000.00007ffed1a02000.rw-.sdmpBinary or memory string: qemu: uncaught target signal 11 (Segmentation fault) - core dumped

Mitre Att&ck Matrix

ReconnaissanceResource DevelopmentInitial AccessExecutionPersistencePrivilege EscalationDefense EvasionCredential AccessDiscoveryLateral MovementCollectionCommand and ControlExfiltrationImpact
Gather Victim Identity InformationAcquire InfrastructureValid AccountsWindows Management InstrumentationPath InterceptionPath InterceptionDirect Volume AccessOS 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

Malware Configuration

⊘No configs have been found

Behavior Graph

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: 1648010 Sample: garm6.elf Startdate: 25/03/2025 Architecture: LINUX Score: 48 8 daisy.ubuntu.com 2->8 10 Multi AV Scanner detection for submitted file 2->10 6 garm6.elf 2->6         started        signatures3 process4

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

SourceDetectionScannerLabelLink
garm6.elf20%VirustotalBrowse
garm6.elf33%ReversingLabsLinux.Backdoor.Mirai

Dropped Files

⊘No Antivirus matches

Domains

⊘No Antivirus matches

URLs

⊘No Antivirus matches

Domains and IPs

Download Network PCAP: filtered – full

Contacted Domains

NameIPActiveMaliciousAntivirus DetectionReputation
daisy.ubuntu.com
162.213.35.24
truefalse
    		high

    World Map of Contacted IPs

    ⊘No contacted IP infos

    Joe Sandbox View / Context

    IPs

    ⊘No context

    Domains

    MatchAssociated Sample Name / URLSHA 256DetectionThreat NameLinkContext
    daisy.ubuntu.comtarm6.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.25
    i.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    aarch64.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.25
    sh4.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    arm6.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.25
    mips.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.25
    arm7.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.24
    arm5.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    mips.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.24
    arm5.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24

    ASNs

    ⊘No context

    JA3 Fingerprints

    ⊘No context

    Dropped Files

    ⊘No context

    Created / dropped Files

    ⊘No created / dropped files found

    Static File Info

    General

    File type:ELF 32-bit LSB executable, ARM, EABI4 version 1 (SYSV), statically linked, stripped
    Entropy (8bit):6.036793302432822
    TrID:
    • ELF Executable and Linkable format (generic) (4004/1) 100.00%
    File name:garm6.elf
    File size:67'000 bytes
    MD5:e3c042be5462ee887fd303035a7e19a6
    SHA1:21e83e5ba454879d16aa8836de9e71e51ff1a177
    SHA256:cc5afffcb9811f0b0c0e9084554f4d2e334007b7b41a1006da4016c330cf33be
    SHA512:1ab936f89ce00b0e1f67a1434b7cbeed6269a9a3b6ca20bb775b0b6ee84e143316a9a79c60c934adc303ae3b39f0fc190f35ae6dc38f81184fb83670b8d7fb07
    SSDEEP:1536:zUnpgoSa07qy3LYohDzaJJwTQ5MCikY0B25XYuQ:fH7qy3LNhDzaJ1Y0B2h5Q
    TLSH:51631756B8819B11D5C512BAFA1E128E3313177CE3DE73129E20AF2577CB96B0E7B805
    File Content Preview:.ELF..............(.....T...4...........4. ...(.....................................................d...X...........Q.td..................................-...L..................@-.,@...0....S..... 0....S.........../..0...0...@..../.d.............-.@0....S

    Static ELF Info

    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 - System V
    ABI Version:0
    Entry Point Address:0x8154
    Flags:0x4000002
    ELF Header Size:52
    Program Header Offset:52
    Program Header Size:32
    Number of Program Headers:3
    Section Header Offset:66520
    Section Header Size:40
    Number of Section Headers:12
    Header String Table Index:11

    Sections

    NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
    NULL0x00x00x00x00x0000
    .initPROGBITS0x80940x940x100x00x6AX004
    .textPROGBITS0x80b00xb00xe9dc0x00x6AX0016
    .finiPROGBITS0x16a8c0xea8c0x100x00x6AX004
    .rodataPROGBITS0x16aa00xeaa00x12e00x00x2A008
    .init_arrayINIT_ARRAY0x180040x100080x40x00x3WA004
    .fini_arrayFINI_ARRAY0x180080x1000c0x40x00x3WA004
    .gotPROGBITS0x180100x100140x780x40x3WA004
    .dataPROGBITS0x180880x1008c0x2dc0x00x3WA004
    .bssNOBITS0x183640x103680x64f80x00x3WA004
    .ARM.attributesARM_ATTRIBUTES0x00x103680x100x00x0001
    .shstrtabSTRTAB0x00x103780x5d0x00x0001

    Program Segments

    TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
    LOAD0x00x80000x80000xfd800xfd806.08980x5R E0x8000.init .text .fini .rodata
    LOAD0x100040x180040x180000x3640xe8584.50560x6RW 0x8000.init_array .fini_array .got .data .bss
    GNU_STACK0x00x00x00x00x00.00000x7RWE0x4

    Network Behavior

    Download Network PCAP: filtered – full

    TimestampSource PortDest PortSource IPDest IP
    Mar 25, 2025 13:45:38.095998049 CET4763953192.168.2.148.8.8.8
    Mar 25, 2025 13:45:38.096054077 CET4040653192.168.2.148.8.8.8
    Mar 25, 2025 13:45:38.186764002 CET53404068.8.8.8192.168.2.14
    Mar 25, 2025 13:45:38.188245058 CET53476398.8.8.8192.168.2.14

    DNS Queries

    TimestampSource IPDest IPTrans IDOP CodeNameTypeClassDNS over HTTPS
    Mar 25, 2025 13:45:38.095998049 CET192.168.2.148.8.8.80xa409Standard query (0)daisy.ubuntu.comA (IP address)IN (0x0001)false
    Mar 25, 2025 13:45:38.096054077 CET192.168.2.148.8.8.80x7f16Standard query (0)daisy.ubuntu.com28IN (0x0001)false

    DNS Answers

    TimestampSource IPDest IPTrans IDReply CodeNameCNameAddressTypeClassDNS over HTTPS
    Mar 25, 2025 13:45:38.188245058 CET8.8.8.8192.168.2.140xa409No error (0)daisy.ubuntu.com162.213.35.24A (IP address)IN (0x0001)false
    Mar 25, 2025 13:45:38.188245058 CET8.8.8.8192.168.2.140xa409No error (0)daisy.ubuntu.com162.213.35.25A (IP address)IN (0x0001)false

    System Behavior

    General

    Start time (UTC):12:45:36
    Start date (UTC):25/03/2025
    Path:/tmp/garm6.elf
    Arguments:/tmp/garm6.elf
    File size:4956856 bytes
    MD5 hash:5ebfcae4fe2471fcc5695c2394773ff1

    File Activities

    Process Activities

    System Activities