Linux
Analysis Report
arm7.elf
Overview
General Information
Sample name: | arm7.elf |
Analysis ID: | 1589790 |
MD5: | 60833972b041b42941327ed38093a8db |
SHA1: | eb882f24ea1f8dc13cd3c1f896a56e387ee788f6 |
SHA256: | d4823124d2f79933ebc888866c3e4f5d8cf63776701a90e92ee4011b7806f5ff |
Tags: | elfuser-abuse_ch |
Infos: |
Detection
Score: | 56 |
Range: | 0 - 100 |
Whitelisted: | false |
Signatures
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Detected TCP or UDP traffic on non-standard ports
Sample has stripped symbol table
Sample listens on a socket
Uses the "uname" system call to query kernel version information (possible evasion)
Yara signature match
Classification
Joe Sandbox version: | 42.0.0 Malachite |
Analysis ID: | 1589790 |
Start date and time: | 2025-01-13 07:02:08 +01:00 |
Joe Sandbox product: | CloudBasic |
Overall analysis duration: | 0h 4m 28s |
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: | arm7.elf |
Detection: | MAL |
Classification: | mal56.linELF@0/0@0/0 |
Command: | /tmp/arm7.elf |
PID: | 5432 |
Exit Code: | 0 |
Exit Code Info: | |
Killed: | False |
Standard Output: | wormbot |
Standard Error: |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
Linux_Trojan_Gafgyt_28a2fe0c | unknown | unknown |
|
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
Linux_Trojan_Gafgyt_28a2fe0c | unknown | unknown |
| |
Linux_Trojan_Gafgyt_28a2fe0c | unknown | unknown |
|
⊘No Suricata rule has matched
- • AV Detection
- • Networking
- • System Summary
- • Malware Analysis System Evasion
Click to jump to signature section
Show All Signature Results
AV Detection |
---|
Source: | ReversingLabs: |
Source: | TCP traffic: |
Source: | Socket: | Jump to behavior |
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: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: |
System Summary |
---|
Source: | Matched rule: | ||
Source: | Matched rule: | ||
Source: | Matched rule: |
Source: | .symtab present: |
Source: | Matched rule: | ||
Source: | Matched rule: | ||
Source: | Matched rule: |
Source: | Classification label: |
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 | Direct Volume Access | OS Credential Dumping | 11 Security Software Discovery | Remote Services | Data from Local System | 1 Non-Standard Port | Exfiltration Over Other Network Medium | Abuse Accessibility Features |
⊘No configs have been found
Source | Detection | Scanner | Label | Link |
---|---|---|---|---|
32% | 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 |
---|---|---|---|---|---|---|
85.239.34.134 | unknown | Russian Federation | 134121 | RAINBOW-HKRainbownetworklimitedHK | false |
Match | Associated Sample Name / URL | SHA 256 | Detection | Threat Name | Link | Context |
---|---|---|---|---|---|---|
85.239.34.134 | Get hash | malicious | Unknown | Browse | ||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Unknown | Browse |
⊘No context
Match | Associated Sample Name / URL | SHA 256 | Detection | Threat Name | Link | Context |
---|---|---|---|---|---|---|
RAINBOW-HKRainbownetworklimitedHK | Get hash | malicious | Unknown | Browse |
| |
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Unknown | 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): | 6.031121568253291 |
TrID: |
|
File name: | arm7.elf |
File size: | 63'932 bytes |
MD5: | 60833972b041b42941327ed38093a8db |
SHA1: | eb882f24ea1f8dc13cd3c1f896a56e387ee788f6 |
SHA256: | d4823124d2f79933ebc888866c3e4f5d8cf63776701a90e92ee4011b7806f5ff |
SHA512: | 7e9fc99b28e57ed8f1bc8d78d95bfc06cfb541e41c187c5edd5b9129c3297ae86ea59e3a8d308465a8db6599f4957b2a5f9f6cfbe1b5b51f657a883421ee276a |
SSDEEP: | 1536:OfnJEPmAuzTrNGgpH71yywYwcTNl1KiwpkQ9/:bQ1pH71yywYt0pko/ |
TLSH: | 47531A59F8815F21C4D922BAFA5E018D335357E8E3EEB1129D211B2437CA92F0E77E46 |
File Content Preview: | .ELF..............(.........4...<.......4. ...(........p|...|q..|q..................................................................0...<3..........................................Q.td..................................-...L..................@-.,@...0....S |
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: | 5 |
Section Header Offset: | 63292 |
Section Header Size: | 40 |
Number of Section Headers: | 16 |
Header String Table Index: | 15 |
Name | Type | Address | Offset | Size | EntSize | Flags | Flags Description | Link | Info | Align |
---|---|---|---|---|---|---|---|---|---|---|
NULL | 0x0 | 0x0 | 0x0 | 0x0 | 0x0 | 0 | 0 | 0 | ||
.init | PROGBITS | 0x80d4 | 0xd4 | 0x10 | 0x0 | 0x6 | AX | 0 | 0 | 4 |
.text | PROGBITS | 0x80f0 | 0xf0 | 0xe3b0 | 0x0 | 0x6 | AX | 0 | 0 | 16 |
.fini | PROGBITS | 0x164a0 | 0xe4a0 | 0x10 | 0x0 | 0x6 | AX | 0 | 0 | 4 |
.rodata | PROGBITS | 0x164b0 | 0xe4b0 | 0xcb2 | 0x0 | 0x2 | A | 0 | 0 | 4 |
.ARM.extab | PROGBITS | 0x17164 | 0xf164 | 0x18 | 0x0 | 0x2 | A | 0 | 0 | 4 |
.ARM.exidx | ARM_EXIDX | 0x1717c | 0xf17c | 0x118 | 0x0 | 0x82 | AL | 2 | 0 | 4 |
.eh_frame | PROGBITS | 0x18294 | 0xf294 | 0x4 | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.tbss | NOBITS | 0x18298 | 0xf298 | 0x8 | 0x0 | 0x403 | WAT | 0 | 0 | 4 |
.init_array | INIT_ARRAY | 0x18298 | 0xf298 | 0x4 | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.fini_array | FINI_ARRAY | 0x1829c | 0xf29c | 0x4 | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.jcr | PROGBITS | 0x182a0 | 0xf2a0 | 0x4 | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.got | PROGBITS | 0x182a4 | 0xf2a4 | 0xa8 | 0x4 | 0x3 | WA | 0 | 0 | 4 |
.data | PROGBITS | 0x1834c | 0xf34c | 0x378 | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.bss | NOBITS | 0x186c4 | 0xf6c4 | 0x2f0c | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.shstrtab | STRTAB | 0x0 | 0xf6c4 | 0x78 | 0x0 | 0x0 | 0 | 0 | 1 |
Type | Offset | Virtual Address | Physical Address | File Size | Memory Size | Entropy | Flags | Flags Description | Align | Prog Interpreter | Section Mappings |
---|---|---|---|---|---|---|---|---|---|---|---|
EXIDX | 0xf17c | 0x1717c | 0x1717c | 0x118 | 0x118 | 4.4768 | 0x4 | R | 0x4 | .ARM.exidx | |
LOAD | 0x0 | 0x8000 | 0x8000 | 0xf294 | 0xf294 | 6.0397 | 0x5 | R E | 0x1000 | .init .text .fini .rodata .ARM.extab .ARM.exidx | |
LOAD | 0xf294 | 0x18294 | 0x18294 | 0x430 | 0x333c | 4.9800 | 0x6 | RW | 0x1000 | .eh_frame .tbss .init_array .fini_array .jcr .got .data .bss | |
TLS | 0xf298 | 0x18298 | 0x18298 | 0x0 | 0x8 | 0.0000 | 0x4 | R | 0x4 | .tbss | |
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 |
---|---|---|---|---|
Jan 13, 2025 07:02:57.656759977 CET | 45928 | 999 | 192.168.2.13 | 85.239.34.134 |
Jan 13, 2025 07:02:57.661855936 CET | 999 | 45928 | 85.239.34.134 | 192.168.2.13 |
Jan 13, 2025 07:02:57.661981106 CET | 45928 | 999 | 192.168.2.13 | 85.239.34.134 |
Jan 13, 2025 07:02:57.662123919 CET | 45928 | 999 | 192.168.2.13 | 85.239.34.134 |
Jan 13, 2025 07:02:57.667051077 CET | 999 | 45928 | 85.239.34.134 | 192.168.2.13 |
Jan 13, 2025 07:02:57.667109013 CET | 45928 | 999 | 192.168.2.13 | 85.239.34.134 |
Jan 13, 2025 07:02:57.672173977 CET | 999 | 45928 | 85.239.34.134 | 192.168.2.13 |
Jan 13, 2025 07:03:07.672574997 CET | 45928 | 999 | 192.168.2.13 | 85.239.34.134 |
Jan 13, 2025 07:03:07.677671909 CET | 999 | 45928 | 85.239.34.134 | 192.168.2.13 |
Jan 13, 2025 07:03:07.890463114 CET | 999 | 45928 | 85.239.34.134 | 192.168.2.13 |
Jan 13, 2025 07:03:07.890767097 CET | 45928 | 999 | 192.168.2.13 | 85.239.34.134 |
Jan 13, 2025 07:04:07.948931932 CET | 45928 | 999 | 192.168.2.13 | 85.239.34.134 |
Jan 13, 2025 07:04:07.954196930 CET | 999 | 45928 | 85.239.34.134 | 192.168.2.13 |
Jan 13, 2025 07:04:08.166605949 CET | 999 | 45928 | 85.239.34.134 | 192.168.2.13 |
Jan 13, 2025 07:04:08.166860104 CET | 45928 | 999 | 192.168.2.13 | 85.239.34.134 |
System Behavior
Start time (UTC): | 06:02:57 |
Start date (UTC): | 13/01/2025 |
Path: | /tmp/arm7.elf |
Arguments: | /tmp/arm7.elf |
File size: | 4956856 bytes |
MD5 hash: | 5ebfcae4fe2471fcc5695c2394773ff1 |
Start time (UTC): | 06:02:57 |
Start date (UTC): | 13/01/2025 |
Path: | /tmp/arm7.elf |
Arguments: | - |
File size: | 4956856 bytes |
MD5 hash: | 5ebfcae4fe2471fcc5695c2394773ff1 |