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Linux Analysis Report
gigab.arm6.elf

Overview

General Information

Sample name:gigab.arm6.elf
Analysis ID:1646298
MD5:766989ac846f8cfb47d07aea12e59abc
SHA1:a67b9e4bd783fb9a1502544a1dd491a3e6f25ff4
SHA256:14a0e4ca3edf0c72dc32a080d2fc0af08c105edf631873a36bf94d953f7f146b
Tags:elfuser-abuse_ch
Infos:

Detection

Score:60
Range:0 - 100

Signatures

Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Detected TCP or UDP traffic on non-standard ports
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:1646298
Start date and time:2025-03-23 20:32:13 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 5m 7s
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.arm6.elf
Detection:MAL
Classification:mal60.spre.linELF@0/0@0/0
Command:/tmp/gigab.arm6.elf
PID:6227
Exit Code:0
Exit Code Info:
Killed:False
Standard Output:

Standard Error:
  • system is lnxubuntu20
  • cleanup
No yara matches
No Suricata rule has matched

Click to jump to signature section

Show All Signature Results

AV Detection

barindex
Source: gigab.arm6.elfAvira: detected
Source: gigab.arm6.elfReversingLabs: Detection: 41%

Spreading

barindex
Source: /tmp/gigab.arm6.elf (PID: 6227)Opens: /proc/net/routeJump to behavior
Source: global trafficTCP traffic: 192.168.2.23:47546 -> 37.44.238.66:666
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: 37.44.238.66
Source: unknownTCP traffic detected without corresponding DNS query: 37.44.238.66
Source: unknownTCP traffic detected without corresponding DNS query: 37.44.238.66
Source: unknownTCP traffic detected without corresponding DNS query: 37.44.238.66
Source: unknownTCP traffic detected without corresponding DNS query: 37.44.238.66
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: 37.44.238.66
Source: unknownTCP traffic detected without corresponding DNS query: 37.44.238.66
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: 37.44.238.66
Source: unknownTCP traffic detected without corresponding DNS query: 37.44.238.66
Source: unknownTCP traffic detected without corresponding DNS query: 37.44.238.66
Source: unknownTCP traffic detected without corresponding DNS query: 37.44.238.66
Source: unknownNetwork traffic detected: HTTP traffic on port 43928 -> 443
Source: unknownNetwork traffic detected: HTTP traffic on port 42836 -> 443
Source: classification engineClassification label: mal60.spre.linELF@0/0@0/0
Source: /tmp/gigab.arm6.elf (PID: 6227)Queries kernel information via 'uname': Jump to behavior
Source: gigab.arm6.elf, 6227.1.00007ffc4be69000.00007ffc4be8a000.rw-.sdmp, gigab.arm6.elf, 6229.1.00007ffc4be69000.00007ffc4be8a000.rw-.sdmpBinary or memory string: x86_64/usr/bin/qemu-arm/tmp/gigab.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/gigab.arm6.elf
Source: gigab.arm6.elf, 6227.1.000056146e8fb000.000056146ea29000.rw-.sdmp, gigab.arm6.elf, 6229.1.000056146e8fb000.000056146ea29000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/arm
Source: gigab.arm6.elf, 6227.1.00007ffc4be69000.00007ffc4be8a000.rw-.sdmp, gigab.arm6.elf, 6229.1.00007ffc4be69000.00007ffc4be8a000.rw-.sdmpBinary or memory string: /usr/bin/qemu-arm
Source: gigab.arm6.elf, 6227.1.000056146e8fb000.000056146ea29000.rw-.sdmp, gigab.arm6.elf, 6229.1.000056146e8fb000.000056146ea29000.rw-.sdmpBinary or memory string: V!/etc/qemu-binfmt/arm
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
Encrypted Channel
Exfiltration Over Other Network MediumAbuse Accessibility Features
CredentialsDomainsDefault AccountsScheduled Task/JobBoot or Logon Initialization ScriptsBoot or Logon Initialization ScriptsRootkitLSASS Memory1
Remote System Discovery
Remote Desktop ProtocolData from Removable Media1
Non-Standard Port
Exfiltration Over BluetoothNetwork Denial of Service
Email AddressesDNS ServerDomain AccountsAtLogon Script (Windows)Logon Script (Windows)Obfuscated Files or InformationSecurity Account ManagerQuery RegistrySMB/Windows Admin SharesData from Network Shared Drive1
Application Layer Protocol
Automated ExfiltrationData Encrypted for Impact
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: 1646298 Sample: gigab.arm6.elf Startdate: 23/03/2025 Architecture: LINUX Score: 60 15 109.202.202.202, 80 INIT7CH Switzerland 2->15 17 37.44.238.66, 47546, 666 HARMONYHOSTING-ASFR France 2->17 19 2 other IPs or domains 2->19 21 Antivirus / Scanner detection for submitted sample 2->21 23 Multi AV Scanner detection for submitted file 2->23 8 gigab.arm6.elf 2->8         started        signatures3 process4 signatures5 25 Opens /proc/net/* files useful for finding connected devices and routers 8->25 11 gigab.arm6.elf 8->11         started        process6 process7 13 gigab.arm6.elf 11->13         started       
SourceDetectionScannerLabelLink
gigab.arm6.elf42%ReversingLabsLinux.Backdoor.Gafgyt
gigab.arm6.elf100%AviraLINUX/Gafgyt.opnd
No Antivirus matches
No Antivirus matches
No Antivirus matches

Download Network PCAP: filteredfull

No contacted domains info
  • 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
37.44.238.66
unknownFrance
49434HARMONYHOSTING-ASFRfalse
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, with debug_info, not stripped
                                                              Entropy (8bit):6.074772126837384
                                                              TrID:
                                                              • ELF Executable and Linkable format (generic) (4004/1) 100.00%
                                                              File name:gigab.arm6.elf
                                                              File size:119'919 bytes
                                                              MD5:766989ac846f8cfb47d07aea12e59abc
                                                              SHA1:a67b9e4bd783fb9a1502544a1dd491a3e6f25ff4
                                                              SHA256:14a0e4ca3edf0c72dc32a080d2fc0af08c105edf631873a36bf94d953f7f146b
                                                              SHA512:af31f62ecd19511c81282e00c82b9d5b98a7eb7af2dd1118d5c30cf3da105a85595113f5f45d3dd3eb5dff6d30c970d3adca6b04d7e3c4ebb5dc4602d31a821f
                                                              SSDEEP:1536:NBnKje4oLLAa1+Zma9CVj1xM+lYyZfitl6XbUh3eNY7aHC2XsrwSVkWeDu2Vy:jj+Ya9CVjXAl6XbUhuN9HC28EPxVy
                                                              TLSH:ECC32B49EB405B57C1E332B9FB9E434D73239F68E3EA71118930ABA123C6BD51E32525
                                                              File Content Preview:.ELF..............(.........4...........4. ...(........p.^.......... ... ...........................8_..8_...............`...`...`...... t...............`...`...`..................Q.td..................................-...L..................G.F.G.F.G.F.G.

                                                              Download Network PCAP: filteredfull

                                                              • Total Packets: 19
                                                              • 666 undefined
                                                              • 443 (HTTPS)
                                                              • 80 (HTTP)
                                                              TimestampSource PortDest PortSource IPDest IP
                                                              Mar 23, 2025 20:32:54.386521101 CET43928443192.168.2.2391.189.91.42
                                                              Mar 23, 2025 20:32:55.945822954 CET47546666192.168.2.2337.44.238.66
                                                              Mar 23, 2025 20:32:56.150490999 CET6664754637.44.238.66192.168.2.23
                                                              Mar 23, 2025 20:32:56.150568962 CET47546666192.168.2.2337.44.238.66
                                                              Mar 23, 2025 20:32:56.946065903 CET47546666192.168.2.2337.44.238.66
                                                              Mar 23, 2025 20:32:57.154773951 CET6664754637.44.238.66192.168.2.23
                                                              Mar 23, 2025 20:32:57.155095100 CET47546666192.168.2.2337.44.238.66
                                                              Mar 23, 2025 20:32:57.155718088 CET47546666192.168.2.2337.44.238.66
                                                              Mar 23, 2025 20:32:57.361953974 CET6664754637.44.238.66192.168.2.23
                                                              Mar 23, 2025 20:33:00.017853975 CET42836443192.168.2.2391.189.91.43
                                                              Mar 23, 2025 20:33:00.785566092 CET4251680192.168.2.23109.202.202.202
                                                              Mar 23, 2025 20:33:15.631584883 CET43928443192.168.2.2391.189.91.42
                                                              Mar 23, 2025 20:33:25.870273113 CET42836443192.168.2.2391.189.91.43
                                                              Mar 23, 2025 20:33:32.013397932 CET4251680192.168.2.23109.202.202.202
                                                              Mar 23, 2025 20:33:54.473572016 CET6664754637.44.238.66192.168.2.23
                                                              Mar 23, 2025 20:33:54.474385977 CET47546666192.168.2.2337.44.238.66
                                                              Mar 23, 2025 20:33:54.678699017 CET6664754637.44.238.66192.168.2.23
                                                              Mar 23, 2025 20:33:54.678965092 CET47546666192.168.2.2337.44.238.66
                                                              Mar 23, 2025 20:33:56.585983038 CET43928443192.168.2.2391.189.91.42
                                                              Mar 23, 2025 20:34:17.063308001 CET42836443192.168.2.2391.189.91.43
                                                              Mar 23, 2025 20:34:54.486234903 CET6664754637.44.238.66192.168.2.23
                                                              Mar 23, 2025 20:34:54.486761093 CET47546666192.168.2.2337.44.238.66
                                                              Mar 23, 2025 20:34:54.694737911 CET6664754637.44.238.66192.168.2.23
                                                              Mar 23, 2025 20:34:54.695250988 CET47546666192.168.2.2337.44.238.66
                                                              Mar 23, 2025 20:35:54.496912956 CET6664754637.44.238.66192.168.2.23
                                                              Mar 23, 2025 20:35:54.497364998 CET47546666192.168.2.2337.44.238.66
                                                              Mar 23, 2025 20:35:54.701858997 CET6664754637.44.238.66192.168.2.23
                                                              Mar 23, 2025 20:35:54.702070951 CET47546666192.168.2.2337.44.238.66

                                                              System Behavior

                                                              Start time (UTC):19:32:54
                                                              Start date (UTC):23/03/2025
                                                              Path:/tmp/gigab.arm6.elf
                                                              Arguments:/tmp/gigab.arm6.elf
                                                              File size:4956856 bytes
                                                              MD5 hash:5ebfcae4fe2471fcc5695c2394773ff1

                                                              Start time (UTC):19:32:55
                                                              Start date (UTC):23/03/2025
                                                              Path:/tmp/gigab.arm6.elf
                                                              Arguments:-
                                                              File size:4956856 bytes
                                                              MD5 hash:5ebfcae4fe2471fcc5695c2394773ff1

                                                              Start time (UTC):19:32:55
                                                              Start date (UTC):23/03/2025
                                                              Path:/tmp/gigab.arm6.elf
                                                              Arguments:-
                                                              File size:4956856 bytes
                                                              MD5 hash:5ebfcae4fe2471fcc5695c2394773ff1