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Linux Analysis Report
gigab.sh4.elf

Overview

General Information

Sample name:gigab.sh4.elf
Analysis ID:1644035
MD5:8eb3b6be38311b4bb08adbf48ebe0959
SHA1:169f441074788e5b3505dc3eaf7ccb297eb20aaa
SHA256:f1c5f3315ca2949fae58fb0f80df0e7d267328b1c5d5eaab37064a749a812e92
Tags:elfuser-abuse_ch
Infos:

Detection

Score:48
Range:0 - 100

Signatures

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

Classification

RansomwareSpreadingPhishingBankerTrojan / BotAdwareSpywareExploiterEvaderMinercleansuspiciousmalicious
Joe Sandbox version:42.0.0 Malachite
Analysis ID:1644035
Start date and time:2025-03-20 10:21:32 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 25s
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:gigab.sh4.elf
Detection:MAL
Classification:mal48.linELF@0/0@2/0
Command:/tmp/gigab.sh4.elf
PID:5533
Exit Code:135
Exit Code Info:
Killed:False
Standard Output:

Standard Error:
  • system is lnxubuntu20
  • gigab.sh4.elf (PID: 5533, Parent: 5452, MD5: 8943e5f8f8c280467b4472c15ae93ba9) Arguments: /tmp/gigab.sh4.elf
  • cleanup
No yara matches
No Suricata rule has matched

Click to jump to signature section

Show All Signature Results

AV Detection

barindex
Source: gigab.sh4.elfReversingLabs: Detection: 13%
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: classification engineClassification label: mal48.linELF@0/0@2/0
Source: /tmp/gigab.sh4.elf (PID: 5533)Queries kernel information via 'uname': Jump to behavior
Source: gigab.sh4.elf, 5533.1.00007ffc6799e000.00007ffc679bf000.rw-.sdmpBinary or memory string: x86_64/usr/bin/qemu-sh4/tmp/gigab.sh4.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/gigab.sh4.elf
Source: gigab.sh4.elf, 5533.1.00007ffc6799e000.00007ffc679bf000.rw-.sdmpBinary or memory string: /usr/bin/qemu-sh4
Source: gigab.sh4.elf, 5533.1.000055d7748c6000.000055d774908000.rw-.sdmpBinary or memory string: U5!/etc/qemu-binfmt/sh4
Source: gigab.sh4.elf, 5533.1.000055d7748c6000.000055d774908000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/sh4
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
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: 1644035 Sample: gigab.sh4.elf Startdate: 20/03/2025 Architecture: LINUX Score: 48 8 daisy.ubuntu.com 2->8 10 Multi AV Scanner detection for submitted file 2->10 6 gigab.sh4.elf 2->6         started        signatures3 process4

This section contains all screenshots as thumbnails, including those not shown in the slideshow.


windows-stand
SourceDetectionScannerLabelLink
gigab.sh4.elf14%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
    No contacted IP infos
    No context
    MatchAssociated Sample Name / URLSHA 256DetectionThreat NameLinkContext
    daisy.ubuntu.commpsl.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    arm7.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.24
    arm5.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    sh4.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.25
    arm.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.25
    aarch64.elfGet hashmaliciousMiraiBrowse
    • 162.213.35.24
    ppc.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.25
    mips.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    arm6.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    gigab.sh4.elfGet hashmaliciousUnknownBrowse
    • 162.213.35.24
    No context
    No context
    No context
    No created / dropped files found
    File type:ELF 32-bit LSB executable, Renesas SH, version 1 (SYSV), statically linked, missing section headers at 75716
    Entropy (8bit):6.76944870952696
    TrID:
    • ELF Executable and Linkable format (generic) (4004/1) 100.00%
    File name:gigab.sh4.elf
    File size:33'040 bytes
    MD5:8eb3b6be38311b4bb08adbf48ebe0959
    SHA1:169f441074788e5b3505dc3eaf7ccb297eb20aaa
    SHA256:f1c5f3315ca2949fae58fb0f80df0e7d267328b1c5d5eaab37064a749a812e92
    SHA512:f28fc8b687233751af7670981e9d770abd61aba99bfdd712552bfd98fb417376720de886e4c2f357edcf8bf639ce2bbc1e88cdc9b3d4330284406e34d2974a2f
    SSDEEP:384:AELyK5EG1gzmCcJJlB+J0mqYFVG/n3NhB2px0JkhvKkOKnoeU23DE3qcql1HfH9f:AE/ykbKJp1YNeQgVDnJUgfd5ZpiQTD
    TLSH:2AE22ADD99E1AEF6C014F4B5743D68B40B1926116B1F1EE8217A4390039FADAF18FF68
    File Content Preview:.ELF..............*.......@.4....%......4. ...(...............@...@...........................B...B......s..............$...$.B.$.B.................Q.td............................././"O.n........#.*@........#.*@.....o&O.n...l.............................

    Download Network PCAP: filteredfull

    TimestampSource PortDest PortSource IPDest IP
    Mar 20, 2025 10:22:18.979263067 CET5769753192.168.2.151.1.1.1
    Mar 20, 2025 10:22:18.979311943 CET3964653192.168.2.151.1.1.1
    Mar 20, 2025 10:22:19.080761909 CET53396461.1.1.1192.168.2.15
    Mar 20, 2025 10:22:19.081684113 CET53576971.1.1.1192.168.2.15
    TimestampSource IPDest IPTrans IDOP CodeNameTypeClassDNS over HTTPS
    Mar 20, 2025 10:22:18.979263067 CET192.168.2.151.1.1.10x9feStandard query (0)daisy.ubuntu.comA (IP address)IN (0x0001)false
    Mar 20, 2025 10:22:18.979311943 CET192.168.2.151.1.1.10xf555Standard query (0)daisy.ubuntu.com28IN (0x0001)false
    TimestampSource IPDest IPTrans IDReply CodeNameCNameAddressTypeClassDNS over HTTPS
    Mar 20, 2025 10:22:19.081684113 CET1.1.1.1192.168.2.150x9feNo error (0)daisy.ubuntu.com162.213.35.25A (IP address)IN (0x0001)false
    Mar 20, 2025 10:22:19.081684113 CET1.1.1.1192.168.2.150x9feNo error (0)daisy.ubuntu.com162.213.35.24A (IP address)IN (0x0001)false

    System Behavior

    Start time (UTC):09:22:17
    Start date (UTC):20/03/2025
    Path:/tmp/gigab.sh4.elf
    Arguments:/tmp/gigab.sh4.elf
    File size:4139976 bytes
    MD5 hash:8943e5f8f8c280467b4472c15ae93ba9