Joe Sandbox Cloud Basic Analysis Report
Edit tour

Linux Analysis Report
loki.arm6.elf

Overview

General Information

Sample name:loki.arm6.elf
Analysis ID:1594245
MD5:ec25c3dee796f008fd4d2b15ebc14a31
SHA1:9cbe561345b228657f5cfa134001e9979bf31a4f
SHA256:f90267cff81ba20dd6acd2da1530aa36e71bdee81a76695349f1998af65363ed
Tags:elfuser-abuse_ch
Infos:

Detection

Score:48
Range:0 - 100
Whitelisted:false

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:1594245
Start date and time:2025-01-18 17:11:14 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 48s
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:loki.arm6.elf
Detection:MAL
Classification:mal48.linELF@0/0@2/0

Runtime Messages

Command:/tmp/loki.arm6.elf
PID:5487
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
  • loki.arm6.elf (PID: 5487, Parent: 5413, MD5: 5ebfcae4fe2471fcc5695c2394773ff1) Arguments: /tmp/loki.arm6.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: loki.arm6.elfReversingLabs: Detection: 31%
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: ELF static info symbol of initial sample.symtab present: no
Source: classification engineClassification label: mal48.linELF@0/0@2/0
Source: /tmp/loki.arm6.elf (PID: 5487)Queries kernel information via 'uname': Jump to behavior
Source: loki.arm6.elf, 5487.1.00007ffd6580a000.00007ffd6582b000.rw-.sdmpBinary or memory string: x86_64/usr/bin/qemu-arm/tmp/loki.arm6.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/loki.arm6.elf
Source: loki.arm6.elf, 5487.1.0000555b0c62a000.0000555b0c758000.rw-.sdmpBinary or memory string: [U!/etc/qemu-binfmt/arm
Source: loki.arm6.elf, 5487.1.0000555b0c62a000.0000555b0c758000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/arm
Source: loki.arm6.elf, 5487.1.00007ffd6580a000.00007ffd6582b000.rw-.sdmpBinary or memory string: /usr/bin/qemu-arm
Source: loki.arm6.elf, 5487.1.00007ffd6580a000.00007ffd6582b000.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: 1594245 Sample: loki.arm6.elf Startdate: 18/01/2025 Architecture: LINUX Score: 48 8 daisy.ubuntu.com 2->8 10 Multi AV Scanner detection for submitted file 2->10 6 loki.arm6.elf 2->6         started        signatures3 process4

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

SourceDetectionScannerLabelLink
loki.arm6.elf32%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.comdbg.x86.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.25
    I586.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.24
    ARMV4L.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    ARMV6L.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    MIPSEL.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.25
    ARMV5L.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    sshd.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    .i.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.25
    armv7l.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.25
    armv6l.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.25

    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):5.993634175838381
    TrID:
    • ELF Executable and Linkable format (generic) (4004/1) 100.00%
    File name:loki.arm6.elf
    File size:59'632 bytes
    MD5:ec25c3dee796f008fd4d2b15ebc14a31
    SHA1:9cbe561345b228657f5cfa134001e9979bf31a4f
    SHA256:f90267cff81ba20dd6acd2da1530aa36e71bdee81a76695349f1998af65363ed
    SHA512:a95993aa9846f4ddc84b684a06b893a23728fcb8f0e54aaf5bae93845219ffa27dba19dd5b4d08de882158d403a15aea16d6c1923c51de7d3ee3f8314ba1d4b4
    SSDEEP:1536:TDCnCLobgEqEp8THNqFq48fQIxFlcPI1i3iafQARv:TAEER+NqFT84ZiafQARv
    TLSH:A1430955BC918A12C5D413BEFA2E118E33136778E3DFB3129D106F25778A96B0E77902
    File Content Preview:.ELF..............(.....T...4...........4. ...(.........................................................4...........Q.td..................................-...L..................@-.,@...0....S..... 0....S.........../..0...0...@..../...............-.@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:59152
    Section Header Size:40
    Number of Section Headers:12
    Header String Table Index:11

    Sections

    NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
    NULL0x00x00x00x00x0000
    .initPROGBITS0x80940x940x100x00x6AX004
    .textPROGBITS0x80b00xb00xdd000x00x6AX0016
    .finiPROGBITS0x15db00xddb00x100x00x6AX004
    .rodataPROGBITS0x15dc00xddc00x5dc0x00x2A004
    .init_arrayINIT_ARRAY0x1e3a00xe3a40x40x00x3WA004
    .fini_arrayFINI_ARRAY0x1e3a40xe3a80x40x00x3WA004
    .gotPROGBITS0x1e3ac0xe3b00x740x40x3WA004
    .dataPROGBITS0x1e4200xe4240x27c0x00x3WA004
    .bssNOBITS0x1e69c0xe6a00x34380x00x3WA004
    .ARM.attributesARM_ATTRIBUTES0x00xe6a00x100x00x0001
    .shstrtabSTRTAB0x00xe6b00x5d0x00x0001

    Program Segments

    TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
    LOAD0x00x80000x80000xe39c0xe39c6.01760x5R E0x8000.init .text .fini .rodata
    LOAD0xe3a00x1e3a00x1e39c0x3000xb7343.78900x6RW 0x8000.init_array .fini_array .got .data .bss
    GNU_STACK0x00x00x00x00x00.00000x7RWE0x4

    Network Behavior

    Download Network PCAP: filtered – full

    TimestampSource PortDest PortSource IPDest IP
    Jan 18, 2025 17:12:25.195678949 CET4914553192.168.2.131.1.1.1
    Jan 18, 2025 17:12:25.195679903 CET6006653192.168.2.131.1.1.1
    Jan 18, 2025 17:12:25.202656984 CET53491451.1.1.1192.168.2.13
    Jan 18, 2025 17:12:25.204044104 CET53600661.1.1.1192.168.2.13

    DNS Queries

    TimestampSource IPDest IPTrans IDOP CodeNameTypeClassDNS over HTTPS
    Jan 18, 2025 17:12:25.195678949 CET192.168.2.131.1.1.10x7312Standard query (0)daisy.ubuntu.comA (IP address)IN (0x0001)false
    Jan 18, 2025 17:12:25.195679903 CET192.168.2.131.1.1.10x4b9dStandard query (0)daisy.ubuntu.com28IN (0x0001)false

    DNS Answers

    TimestampSource IPDest IPTrans IDReply CodeNameCNameAddressTypeClassDNS over HTTPS
    Jan 18, 2025 17:12:25.202656984 CET1.1.1.1192.168.2.130x7312No error (0)daisy.ubuntu.com162.213.35.24A (IP address)IN (0x0001)false
    Jan 18, 2025 17:12:25.202656984 CET1.1.1.1192.168.2.130x7312No error (0)daisy.ubuntu.com162.213.35.25A (IP address)IN (0x0001)false

    System Behavior

    General

    Start time (UTC):16:12:23
    Start date (UTC):18/01/2025
    Path:/tmp/loki.arm6.elf
    Arguments:/tmp/loki.arm6.elf
    File size:4956856 bytes
    MD5 hash:5ebfcae4fe2471fcc5695c2394773ff1

    File Activities

    Process Activities

    System Activities