Linux
Analysis Report
dlr.arm6.elf
Overview
General Information
Sample name: | dlr.arm6.elf |
Analysis ID: | 1644396 |
MD5: | aac765f05eddd62c52ef3a5149dd2511 |
SHA1: | eaef82a9d7e93becaaf210e1987a23af22e07850 |
SHA256: | f234c78d12b3931142416895fb1e22a325cd8c65f3bb9bbd64cd80e4a9fc198c |
Tags: | elfuser-abuse_ch |
Infos: |
Detection
Score: | 48 |
Range: | 0 - 100 |
Signatures
Multi AV Scanner detection for submitted file
Creates hidden files and/or directories
Creates hidden files without content (potentially used as a mutex)
HTTP GET or POST without a user agent
Sample has stripped symbol table
Uses the "uname" system call to query kernel version information (possible evasion)
Classification
Joe Sandbox version: | 42.0.0 Malachite |
Analysis ID: | 1644396 |
Start date and time: | 2025-03-20 15:10:23 +01:00 |
Joe Sandbox product: | CloudBasic |
Overall analysis duration: | 0h 5m 5s |
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: | dlr.arm6.elf |
Detection: | MAL |
Classification: | mal48.linELF@0/0@0/0 |
Command: | /tmp/dlr.arm6.elf |
PID: | 5465 |
Exit Code: | 4 |
Exit Code Info: | |
Killed: | False |
Standard Output: | AAA |
Standard Error: |
- system is lnxubuntu20
- cleanup
⊘No yara matches
⊘No Suricata rule has matched
- • AV Detection
- • Networking
- • System Summary
- • Persistence and Installation Behavior
- • Malware Analysis System Evasion
Click to jump to signature section
Show All Signature Results
AV Detection |
---|
Source: | Virustotal: | Perma Link | ||
Source: | ReversingLabs: |
Source: | HTTP traffic detected: |
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: |
Source: | HTTP traffic detected: |
Source: | .symtab present: |
Source: | Classification label: |
Source: | File: | Jump to behavior |
Source: | Empty hidden file: | Jump to behavior |
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: |
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 Hide Artifacts | 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 | 1 Hidden Files and Directories | LSASS Memory | Application Window Discovery | Remote Desktop Protocol | Data from Removable Media | 1 Application Layer Protocol | Exfiltration Over Bluetooth | Network Denial of Service |
Email Addresses | DNS Server | Domain Accounts | At | Logon Script (Windows) | Logon Script (Windows) | Obfuscated Files or Information | Security Account Manager | Query Registry | SMB/Windows Admin Shares | Data from Network Shared Drive | 1 Ingress Tool Transfer | Automated Exfiltration | Data Encrypted for Impact |
⊘No configs have been found
Source | Detection | Scanner | Label | Link |
---|---|---|---|---|
30% | Virustotal | Browse | ||
44% | ReversingLabs | Linux.Backdoor.Mirai |
⊘No Antivirus matches
⊘No Antivirus matches
⊘No Antivirus matches
⊘No contacted domains info
- No. of IPs < 25%
- 25% < No. of IPs < 50%
- 50% < No. of IPs < 75%
- 75% < No. of IPs
IP | Domain | Country | Flag | ASN | ASN Name | Malicious |
---|---|---|---|---|---|---|
156.253.227.12 | unknown | Seychelles | 132839 | POWERLINE-AS-APPOWERLINEDATACENTERHK | false |
Match | Associated Sample Name / URL | SHA 256 | Detection | Threat Name | Link | Context |
---|---|---|---|---|---|---|
156.253.227.12 | Get hash | malicious | Unknown | Browse |
|
⊘No context
Match | Associated Sample Name / URL | SHA 256 | Detection | Threat Name | Link | Context |
---|---|---|---|---|---|---|
POWERLINE-AS-APPOWERLINEDATACENTERHK | Get hash | malicious | Unknown | Browse |
| |
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | FormBook | Browse |
| ||
Get hash | malicious | FormBook | Browse |
| ||
Get hash | malicious | FormBook, GuLoader | Browse |
| ||
Get hash | malicious | FormBook, GuLoader | Browse |
| ||
Get hash | malicious | FormBook, GuLoader | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Unknown | Browse |
|
⊘No context
⊘No context
⊘No created / dropped files found
File type: | |
Entropy (8bit): | 4.821209850798235 |
TrID: |
|
File name: | dlr.arm6.elf |
File size: | 1'448 bytes |
MD5: | aac765f05eddd62c52ef3a5149dd2511 |
SHA1: | eaef82a9d7e93becaaf210e1987a23af22e07850 |
SHA256: | f234c78d12b3931142416895fb1e22a325cd8c65f3bb9bbd64cd80e4a9fc198c |
SHA512: | 12f662dc66dedfa9f1c3dda76bef5db095bfd1487e12383d5871727132b533b4d4e28d6a740880a11b10e778dbdf216f74d5751528fd380fb7c0ea7a20be38fa |
SSDEEP: | 24:lpKGpa7Urz/jlfdXK1hUVev3gRGaJ9iMPBBuk2nlxrR+zHGS90t:/KGpa7UrLZy/+JpBukulxrsHGS90 |
TLSH: | F9312E9862D09EF8CC9491BEAD57032173689F80E0C733A3820C7715BD2AE3C5C27086 |
File Content Preview: | .ELF..............(.........4...........4. ...(.....................@...@...............@...@...@...................Q.td.........................................8...<...4...........(.."...#...../...-.......M.................../...-.......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: | 3 |
Section Header Offset: | 1168 |
Section Header Size: | 40 |
Number of Section Headers: | 7 |
Header String Table Index: | 6 |
Name | Type | Address | Offset | Size | EntSize | Flags | Flags Description | Link | Info | Align |
---|---|---|---|---|---|---|---|---|---|---|
NULL | 0x0 | 0x0 | 0x0 | 0x0 | 0x0 | 0 | 0 | 0 | ||
.text | PROGBITS | 0x80a0 | 0xa0 | 0x35c | 0x0 | 0x6 | AX | 0 | 0 | 16 |
.rodata | PROGBITS | 0x83fc | 0x3fc | 0x44 | 0x1 | 0x32 | AMS | 0 | 0 | 4 |
.got | PROGBITS | 0x10440 | 0x440 | 0xc | 0x4 | 0x3 | WA | 0 | 0 | 4 |
.bss | NOBITS | 0x1044c | 0x44c | 0x8 | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.ARM.attributes | ARM_ATTRIBUTES | 0x0 | 0x44c | 0x10 | 0x0 | 0x0 | 0 | 0 | 1 | |
.shstrtab | STRTAB | 0x0 | 0x45c | 0x33 | 0x0 | 0x0 | 0 | 0 | 1 |
Type | Offset | Virtual Address | Physical Address | File Size | Memory Size | Entropy | Flags | Flags Description | Align | Prog Interpreter | Section Mappings |
---|---|---|---|---|---|---|---|---|---|---|---|
LOAD | 0x0 | 0x8000 | 0x8000 | 0x440 | 0x440 | 5.2442 | 0x5 | R E | 0x8000 | .text .rodata | |
LOAD | 0x440 | 0x10440 | 0x10440 | 0xc | 0x14 | 0.0000 | 0x6 | RW | 0x8000 | .got .bss | |
GNU_STACK | 0x0 | 0x0 | 0x0 | 0x0 | 0x0 | 0.0000 | 0x7 | RWE | 0x4 |
Download Network PCAP: filtered – full
Timestamp | Source Port | Dest Port | Source IP | Dest IP |
---|---|---|---|---|
Mar 20, 2025 15:11:26.527118921 CET | 57840 | 80 | 192.168.2.13 | 156.253.227.12 |
Mar 20, 2025 15:11:26.719806910 CET | 80 | 57840 | 156.253.227.12 | 192.168.2.13 |
Mar 20, 2025 15:11:26.720053911 CET | 57840 | 80 | 192.168.2.13 | 156.253.227.12 |
Mar 20, 2025 15:11:26.721462965 CET | 57840 | 80 | 192.168.2.13 | 156.253.227.12 |
Mar 20, 2025 15:11:26.929842949 CET | 80 | 57840 | 156.253.227.12 | 192.168.2.13 |
Mar 20, 2025 15:11:46.942651987 CET | 80 | 57840 | 156.253.227.12 | 192.168.2.13 |
Mar 20, 2025 15:11:46.946439028 CET | 57840 | 80 | 192.168.2.13 | 156.253.227.12 |
Mar 20, 2025 15:11:47.107553005 CET | 57840 | 80 | 192.168.2.13 | 156.253.227.12 |
Mar 20, 2025 15:11:47.310950994 CET | 80 | 57840 | 156.253.227.12 | 192.168.2.13 |
Session ID | Source IP | Source Port | Destination IP | Destination Port |
---|---|---|---|---|
0 | 192.168.2.13 | 57840 | 156.253.227.12 | 80 |
Timestamp | Bytes transferred | Direction | Data |
---|---|---|---|
Mar 20, 2025 15:11:26.721462965 CET | 33 | OUT |
System Behavior
Start time (UTC): | 14:11:25 |
Start date (UTC): | 20/03/2025 |
Path: | /tmp/dlr.arm6.elf |
Arguments: | /tmp/dlr.arm6.elf |
File size: | 4956856 bytes |
MD5 hash: | 5ebfcae4fe2471fcc5695c2394773ff1 |