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Linux Analysis Report
hgfs.arm6.elf

Overview

General Information

Sample name:hgfs.arm6.elf
Analysis ID:1641177
MD5:94f5e81962cc4f76b16558c7174f973c
SHA1:a862aab3e0aac3210b4c9161f76a86903e5d1126
SHA256:ae9bdc90fd342f01beb79024eb456b885a6f0fd0ea0f75ade92de2d7dc9fff44
Tags:elfMiraiuser-abuse_ch
Infos:

Detection

Score:48
Range:0 - 100

Signatures

Multi AV Scanner detection for submitted file
Sample contains strings that are potentially command strings
Sample has stripped symbol table
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
Uses the "uname" system call to query kernel version information (possible evasion)

Classification

RansomwareSpreadingPhishingBankerTrojan / BotAdwareSpywareExploiterEvaderMinercleansuspiciousmalicious
Joe Sandbox version:42.0.0 Malachite
Analysis ID:1641177
Start date and time:2025-03-18 03:49:50 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 24s
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:hgfs.arm6.elf
Detection:MAL
Classification:mal48.linELF@0/0@0/0
Command:/tmp/hgfs.arm6.elf
PID:6222
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
  • hgfs.arm6.elf (PID: 6222, Parent: 6140, MD5: 5ebfcae4fe2471fcc5695c2394773ff1) Arguments: /tmp/hgfs.arm6.elf
  • cleanup
No yara matches
No Suricata rule has matched

Click to jump to signature section

Show All Signature Results

AV Detection

barindex
Source: hgfs.arm6.elfVirustotal: Detection: 46%Perma Link
Source: hgfs.arm6.elfReversingLabs: Detection: 44%
Source: global trafficTCP traffic: 192.168.2.23:43928 -> 91.189.91.42:443
Source: global trafficTCP traffic: 192.168.2.23:42836 -> 91.189.91.43:443
Source: global trafficTCP traffic: 192.168.2.23:42516 -> 109.202.202.202:80
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: hgfs.arm6.elfString found in binary or memory: http://196.251.81.246/a
Source: unknownNetwork traffic detected: HTTP traffic on port 43928 -> 443
Source: unknownNetwork traffic detected: HTTP traffic on port 42836 -> 443
Source: Initial samplePotential command found: GET /set_ftp.cgi?loginuse=
Source: Initial samplePotential command found: GET /ftptest.cgi?loginuse=
Source: Initial samplePotential command found: GET login.cgi HTTP/1.0
Source: Initial samplePotential command found: GET /set_ftp.cgi?loginuse=&loginpas=&next_url=ftp.htm&port=21&user=ftp&pwd=ftp&dir=/&mode=PORT&upload_interval=0&svr=%24%28echo+-e+cd+/tmp+>>+/tmp/t%29 HTTP/1.0
Source: Initial samplePotential command found: GET /ftptest.cgi?loginuse=GET login.cgi HTTP/1.0
Source: ELF static info symbol of initial sample.symtab present: no
Source: classification engineClassification label: mal48.linELF@0/0@0/0
Source: /tmp/hgfs.arm6.elf (PID: 6222)Queries kernel information via 'uname': Jump to behavior
Source: hgfs.arm6.elf, 6222.1.000055eed51cb000.000055eed52f9000.rw-.sdmpBinary or memory string: U!/etc/qemu-binfmt/arm
Source: hgfs.arm6.elf, 6222.1.000055eed51cb000.000055eed52f9000.rw-.sdmpBinary or memory string: U!/tmp/hgfs.arm6.elf!AttributeTypeAndValue
Source: hgfs.arm6.elf, 6222.1.000055eed51cb000.000055eed52f9000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/arm
Source: hgfs.arm6.elf, 6222.1.00007ffcb78d4000.00007ffcb78f5000.rw-.sdmpBinary or memory string: /usr/bin/qemu-arm
Source: hgfs.arm6.elf, 6222.1.00007ffcb78d4000.00007ffcb78f5000.rw-.sdmpBinary or memory string: x86_64/usr/bin/qemu-arm/tmp/hgfs.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/hgfs.arm6.elf
Source: hgfs.arm6.elf, 6222.1.00007ffcb78d4000.00007ffcb78f5000.rw-.sdmpBinary or memory string: qemu: uncaught target signal 11 (Segmentation fault) - core dumped
Source: hgfs.arm6.elf, 6222.1.00007ffcb78d4000.00007ffcb78f5000.rw-.sdmp, hgfs.arm6.elf, 6222.1.000055eed51cb000.000055eed52f9000.rw-.sdmpBinary or memory string: /tmp/hgfs.arm6.elf
ReconnaissanceResource DevelopmentInitial AccessExecutionPersistencePrivilege EscalationDefense EvasionCredential AccessDiscoveryLateral MovementCollectionCommand and ControlExfiltrationImpact
Gather Victim Identity InformationAcquire InfrastructureValid Accounts1
Command and Scripting Interpreter
Path InterceptionPath InterceptionDirect Volume AccessOS 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 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: 1641177 Sample: hgfs.arm6.elf Startdate: 18/03/2025 Architecture: LINUX Score: 48 8 109.202.202.202, 80 INIT7CH Switzerland 2->8 10 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->10 12 91.189.91.43, 443 CANONICAL-ASGB United Kingdom 2->12 14 Multi AV Scanner detection for submitted file 2->14 6 hgfs.arm6.elf 2->6         started        signatures3 process4
SourceDetectionScannerLabelLink
hgfs.arm6.elf47%VirustotalBrowse
hgfs.arm6.elf44%ReversingLabsLinux.Trojan.Mirai
No Antivirus matches
No Antivirus matches
No Antivirus matches

Download Network PCAP: filteredfull

No contacted domains info
NameSourceMaliciousAntivirus DetectionReputation
http://196.251.81.246/ahgfs.arm6.elffalse
    high
    • No. of IPs < 25%
    • 25% < No. of IPs < 50%
    • 50% < No. of IPs < 75%
    • 75% < No. of IPs
    IPDomainCountryFlagASNASN NameMalicious
    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 context
                                            No context
                                            No created / dropped files found
                                            File type:ELF 32-bit LSB executable, ARM, EABI4 version 1 (SYSV), statically linked, stripped
                                            Entropy (8bit):5.893993285141869
                                            TrID:
                                            • ELF Executable and Linkable format (generic) (4004/1) 100.00%
                                            File name:hgfs.arm6.elf
                                            File size:38'360 bytes
                                            MD5:94f5e81962cc4f76b16558c7174f973c
                                            SHA1:a862aab3e0aac3210b4c9161f76a86903e5d1126
                                            SHA256:ae9bdc90fd342f01beb79024eb456b885a6f0fd0ea0f75ade92de2d7dc9fff44
                                            SHA512:3239d8be8a526ad9b7f6a7ad568abfb2c8a192497d4fe626a4a470315495c61525d6ffffbfd26818e40fd2e7ba5193c8c3c03cc7efd96f02b8403975e6acc7d1
                                            SSDEEP:768:TUn1iEIXJ2/+jJlDavs5ooZU8DmmO6IMDEqiIYniqtXj3DVOryBG:TUn1ow/+DD59jXIAiIYiqtXrBG
                                            TLSH:B603D64AB9819F01C5D5127AFA1E118E7323472CE3DEB3129E247F25B7C757B0A3A419
                                            File Content Preview:.ELF..............(.....T...4...........4. ...(..........................................................{..........Q.td..................................-...L..................@-.,@...0....S..... 0....S.........../..0...0...@..../...............-.@0....S

                                            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:37880
                                            Section Header Size:40
                                            Number of Section Headers:12
                                            Header String Table Index:11
                                            NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
                                            NULL0x00x00x00x00x0000
                                            .initPROGBITS0x80940x940x100x00x6AX004
                                            .textPROGBITS0x80b00xb00x83400x00x6AX0016
                                            .finiPROGBITS0x103f00x83f00x100x00x6AX004
                                            .rodataPROGBITS0x104000x84000x81c0x00x2A004
                                            .init_arrayINIT_ARRAY0x190040x90080x40x00x3WA004
                                            .fini_arrayFINI_ARRAY0x190080x900c0x40x00x3WA004
                                            .gotPROGBITS0x190100x90140x740x40x3WA004
                                            .dataPROGBITS0x190840x90880x3000x00x3WA004
                                            .bssNOBITS0x193840x93880xf8240x00x3WA004
                                            .ARM.attributesARM_ATTRIBUTES0x00x93880x100x00x0001
                                            .shstrtabSTRTAB0x00x93980x5d0x00x0001
                                            TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
                                            LOAD0x00x80000x80000x8c1c0x8c1c6.00810x5R E0x8000.init .text .fini .rodata
                                            LOAD0x90040x190040x190000x3840x17ba44.27150x6RW 0x8000.init_array .fini_array .got .data .bss
                                            GNU_STACK0x00x00x00x00x00.00000x7RWE0x4

                                            Download Network PCAP: filteredfull

                                            • Total Packets: 7
                                            • 443 (HTTPS)
                                            • 80 (HTTP)
                                            TimestampSource PortDest PortSource IPDest IP
                                            Mar 18, 2025 03:50:31.628561974 CET43928443192.168.2.2391.189.91.42
                                            Mar 18, 2025 03:50:37.004096031 CET42836443192.168.2.2391.189.91.43
                                            Mar 18, 2025 03:50:38.539814949 CET4251680192.168.2.23109.202.202.202
                                            Mar 18, 2025 03:50:53.385675907 CET43928443192.168.2.2391.189.91.42
                                            Mar 18, 2025 03:51:03.624238014 CET42836443192.168.2.2391.189.91.43
                                            Mar 18, 2025 03:51:09.767406940 CET4251680192.168.2.23109.202.202.202
                                            Mar 18, 2025 03:51:34.340090990 CET43928443192.168.2.2391.189.91.42

                                            System Behavior

                                            Start time (UTC):02:50:28
                                            Start date (UTC):18/03/2025
                                            Path:/tmp/hgfs.arm6.elf
                                            Arguments:/tmp/hgfs.arm6.elf
                                            File size:4956856 bytes
                                            MD5 hash:5ebfcae4fe2471fcc5695c2394773ff1