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Linux
Analysis Report
i.elf
Overview
General Information
Sample name: | i.elf |
Analysis ID: | 1538224 |
MD5: | 79e6ed67f4a37ac3f88fc040472f21ab |
SHA1: | 61d3f22b6362deb78281b197e71c0ec35ba45112 |
SHA256: | f2f45cebd49003b12f095884f9378025ead0236f6687bd35963248e703d274c7 |
Tags: | elfuser-abuse_ch |
Infos: |
Detection
Score: | 64 |
Range: | 0 - 100 |
Whitelisted: | false |
Signatures
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
ELF contains segments with high entropy indicating compressed/encrypted content
Sample contains only a LOAD segment without any section mappings
Uses the "uname" system call to query kernel version information (possible evasion)
Yara signature match
Classification
Joe Sandbox version: | 41.0.0 Charoite |
Analysis ID: | 1538224 |
Start date and time: | 2024-10-20 20:49:33 +02:00 |
Joe Sandbox product: | CloudBasic |
Overall analysis duration: | 0h 4m 33s |
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: | i.elf |
Detection: | MAL |
Classification: | mal64.linELF@0/0@2/0 |
- VT rate limit hit for: i.elf
Command: | /tmp/i.elf |
PID: | 5578 |
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
- cleanup
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
Linux_Packer_Patched_UPX_62e11c64 | unknown | unknown |
|
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
Linux_Packer_Patched_UPX_62e11c64 | unknown | unknown |
|
⊘No Suricata rule has matched
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Avira: |
Source: | ReversingLabs: |
Source: | DNS traffic detected: |
System Summary |
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Source: | Matched rule: | ||
Source: | Matched rule: |
Source: | Program segment: |
Source: | Matched rule: | ||
Source: | Matched rule: |
Source: | Classification label: |
Source: | Submission file: |
Source: | Queries kernel information via 'uname': | Jump to behavior |
Source: | Binary or memory string: | ||
Source: | Binary or memory string: | ||
Source: | Binary or memory string: | ||
Source: | Binary or memory string: | ||
Source: | Binary or memory string: |
Reconnaissance | Resource Development | Initial Access | Execution | Persistence | Privilege Escalation | Defense Evasion | Credential Access | Discovery | Lateral Movement | Collection | Command and Control | Exfiltration | Impact |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Gather Victim Identity Information | Acquire Infrastructure | Valid Accounts | Windows Management Instrumentation | Path Interception | Path Interception | 1 Obfuscated Files or Information | OS Credential Dumping | 11 Security Software Discovery | Remote Services | Data from Local System | 1 Non-Application Layer Protocol | Exfiltration Over Other Network Medium | Abuse Accessibility Features |
Credentials | Domains | Default Accounts | Scheduled Task/Job | Boot or Logon Initialization Scripts | Boot or Logon Initialization Scripts | Rootkit | LSASS Memory | Application Window Discovery | Remote Desktop Protocol | Data from Removable Media | 1 Application Layer Protocol | Exfiltration Over Bluetooth | Network Denial of Service |
⊘No configs have been found
Source | Detection | Scanner | Label | Link |
---|---|---|---|---|
50% | ReversingLabs | Linux.Trojan.Dakkatoni | ||
100% | Avira | LINUX/Siggen.cjfbx |
⊘No Antivirus matches
⊘No Antivirus matches
⊘No Antivirus matches
Name | IP | Active | Malicious | Antivirus Detection | Reputation |
---|---|---|---|---|---|
daisy.ubuntu.com | unknown | unknown | true | unknown |
⊘No contacted IP infos
⊘No created / dropped files found
File type: | |
Entropy (8bit): | 7.804078999094612 |
TrID: |
|
File name: | i.elf |
File size: | 112'944 bytes |
MD5: | 79e6ed67f4a37ac3f88fc040472f21ab |
SHA1: | 61d3f22b6362deb78281b197e71c0ec35ba45112 |
SHA256: | f2f45cebd49003b12f095884f9378025ead0236f6687bd35963248e703d274c7 |
SHA512: | 610040ef372ed79911a3d40f5e327ff40558a9accd315e055ee9f2071fe3ef32936e6ad4ba8ef4ec5d2462a8cde837eea21d12d88ed011349e722d471500f193 |
SSDEEP: | 1536:pxpJNlEYvXndUt/afLuZmVelu9eoCtcCCzNbC4RWC0CQFW3RLlNCzgb0OmfPn+VT:phNlHuBafLeBtfCzpta8xlBIOdVos |
TLSH: | 2DB3124EFF319C0B9B401DB71BDA4F8E8C697B6B02CBB4A469C2904F57A01CD7D52218 |
File Content Preview: | .ELF.....................B.....4.........4. ...(.............@...@...........................C...C......../..........*.*UPX!.X.....................^....|.$..ELF..........@.`....4...0... ...(......<...@......[v......H...`.t..;_...dt.Q.....].M.............. |
ELF header | |
---|---|
Class: | |
Data: | |
Version: | |
Machine: | |
Version Number: | |
Type: | |
OS/ABI: | |
ABI Version: | 0 |
Entry Point Address: | |
Flags: | |
ELF Header Size: | 52 |
Program Header Offset: | 52 |
Program Header Size: | 32 |
Number of Program Headers: | 2 |
Section Header Offset: | 0 |
Section Header Size: | 40 |
Number of Section Headers: | 0 |
Header String Table Index: | 0 |
Type | Offset | Virtual Address | Physical Address | File Size | Memory Size | Entropy | Flags | Flags Description | Align | Prog Interpreter | Section Mappings |
---|---|---|---|---|---|---|---|---|---|---|---|
LOAD | 0x0 | 0x400000 | 0x400000 | 0x210f2 | 0x210f2 | 7.8041 | 0x5 | R E | 0x10000 | ||
LOAD | 0x0 | 0x430000 | 0x430000 | 0x0 | 0x92fd8 | 0.0000 | 0x6 | RW | 0x10000 |
Timestamp | Source Port | Dest Port | Source IP | Dest IP |
---|---|---|---|---|
Oct 20, 2024 20:50:34.967253923 CEST | 45156 | 53 | 192.168.2.14 | 8.8.8.8 |
Oct 20, 2024 20:50:34.972249985 CEST | 53 | 45156 | 8.8.8.8 | 192.168.2.14 |
Oct 20, 2024 20:50:34.972313881 CEST | 45156 | 53 | 192.168.2.14 | 8.8.8.8 |
Oct 20, 2024 20:50:34.972345114 CEST | 45156 | 53 | 192.168.2.14 | 8.8.8.8 |
Oct 20, 2024 20:50:34.972359896 CEST | 45156 | 53 | 192.168.2.14 | 8.8.8.8 |
Oct 20, 2024 20:50:34.977638006 CEST | 53 | 45156 | 8.8.8.8 | 192.168.2.14 |
Oct 20, 2024 20:50:34.977735043 CEST | 53 | 45156 | 8.8.8.8 | 192.168.2.14 |
Oct 20, 2024 20:50:35.730542898 CEST | 53 | 45156 | 8.8.8.8 | 192.168.2.14 |
Oct 20, 2024 20:50:35.730635881 CEST | 45156 | 53 | 192.168.2.14 | 8.8.8.8 |
Oct 20, 2024 20:50:37.731422901 CEST | 53 | 45156 | 8.8.8.8 | 192.168.2.14 |
Oct 20, 2024 20:50:37.731617928 CEST | 45156 | 53 | 192.168.2.14 | 8.8.8.8 |
Oct 20, 2024 20:50:37.736762047 CEST | 53 | 45156 | 8.8.8.8 | 192.168.2.14 |
Timestamp | Source IP | Dest IP | Trans ID | OP Code | Name | Type | Class | DNS over HTTPS |
---|---|---|---|---|---|---|---|---|
Oct 20, 2024 20:50:34.972345114 CEST | 192.168.2.14 | 8.8.8.8 | 0x6a0a | Standard query (0) | A (IP address) | IN (0x0001) | false | |
Oct 20, 2024 20:50:34.972359896 CEST | 192.168.2.14 | 8.8.8.8 | 0xada8 | Standard query (0) | 28 | IN (0x0001) | false |
System Behavior
Start time (UTC): | 18:50:33 |
Start date (UTC): | 20/10/2024 |
Path: | /tmp/i.elf |
Arguments: | /tmp/i.elf |
File size: | 5777432 bytes |
MD5 hash: | 0083f1f0e77be34ad27f849842bbb00c |