Linux
Analysis Report
sync.arm4.elf
Overview
General Information
Detection
Score: | 64 |
Range: | 0 - 100 |
Signatures
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Performs DNS TXT record lookups
Sample deletes itself
Detected TCP or UDP traffic on non-standard ports
Sample has stripped symbol table
Sleeps for long times indicative of sandbox evasion
Tries to resolve domain names, but no domain seems valid (expired dropper behavior)
Uses the "uname" system call to query kernel version information (possible evasion)
Classification
Joe Sandbox version: | 42.0.0 Malachite |
Analysis ID: | 1641096 |
Start date and time: | 2025-03-18 02:55:51 +01:00 |
Joe Sandbox product: | CloudBasic |
Overall analysis duration: | 0h 4m 18s |
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: | sync.arm4.elf |
Detection: | MAL |
Classification: | mal64.evad.linELF@0/0@15/0 |
Command: | /tmp/sync.arm4.elf |
PID: | 5488 |
Exit Code: | 1 |
Exit Code Info: | |
Killed: | False |
Standard Output: | syncne |
Standard Error: |
- system is lnxubuntu20
- sync.arm4.elf New Fork (PID: 5490, Parent: 5488)
- sync.arm4.elf New Fork (PID: 5492, Parent: 5490)
- cleanup
⊘No yara matches
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2025-03-18T02:56:35.545512+0100 | 2013514 | 1 | A Network Trojan was detected | 192.168.2.14 | 35709 | 8.8.4.4 | 53 | UDP |
- • AV Detection
- • Networking
- • System Summary
- • Hooking and other Techniques for Hiding and Protection
- • Malware Analysis System Evasion
- • HIPS / PFW / Operating System Protection Evasion
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Virustotal: | Perma Link | ||
Source: | ReversingLabs: |
Networking |
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Source: | Suricata IDS: |
Source: | TCP traffic: |
Source: | DNS 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: | UDP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: |
Source: | DNS traffic detected: |
Source: | .symtab present: |
Source: | Classification label: |
Hooking and other Techniques for Hiding and Protection |
---|
Source: | File: | Jump to behavior |
Source: | Sleeps longer then 60s: | Jump to behavior | ||
Source: | Sleeps longer then 60s: | 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: |
HIPS / PFW / Operating System Protection Evasion |
---|
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: |
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 Virtualization/Sandbox Evasion | 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 |
Credentials | Domains | Default Accounts | Scheduled Task/Job | Boot or Logon Initialization Scripts | Boot or Logon Initialization Scripts | 1 File Deletion | LSASS Memory | 1 Virtualization/Sandbox Evasion | Remote Desktop Protocol | Data from Removable Media | 1 Non-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 Application Layer Protocol | Automated Exfiltration | Data Encrypted for Impact |
⊘No configs have been found
This section contains all screenshots as thumbnails, including those not shown in the slideshow.
Source | Detection | Scanner | Label | Link |
---|---|---|---|---|
46% | Virustotal | Browse | ||
44% | ReversingLabs | Linux.Backdoor.Mirai |
⊘No Antivirus matches
⊘No Antivirus matches
⊘No Antivirus matches
Name | IP | Active | Malicious | Antivirus Detection | Reputation |
---|---|---|---|---|---|
dnsresolve.socialgains.cf | unknown | unknown | false | high |
- 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 |
---|---|---|---|---|---|---|
185.194.205.79 | unknown | France | 204145 | HTSENSEFR | false |
Match | Associated Sample Name / URL | SHA 256 | Detection | Threat Name | Link | Context |
---|---|---|---|---|---|---|
185.194.205.79 | 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 |
---|---|---|---|---|---|---|
HTSENSEFR | Get hash | malicious | Unknown | Browse |
| |
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Unknown | Browse |
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Get hash | malicious | Unknown | Browse |
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Get hash | malicious | Unknown | Browse |
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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): | 6.1075120015402 |
TrID: |
|
File name: | sync.arm4.elf |
File size: | 63'808 bytes |
MD5: | 0141bb50823a87041dfe1f975c59d806 |
SHA1: | adcf04b7d8d047ef4b8dcf13e48f21408dcc4449 |
SHA256: | ad094a71b4f238f53cc99d93410d10466aa0c4b7aca1d4cdaf653d40d382cc97 |
SHA512: | 92df036a0b3553e19c4b8366825e0fb4006eb7f1acd4f402d804da27e4eb79847788490ab18bbc1c48e908f7565539c26b7e2d5814cbba5781036af97a7f518f |
SSDEEP: | 1536:SiQM4BSRmt0TvNsp9ADVjiVJxW/viK9T/i/ovAC:hJBNK9ADVmVJxW3HZbAC |
TLSH: | 89535B42F8C2A213C5D45A7AFA4E43CC371257E8E2DE3203CE2A5F61379B56B0EA7511 |
File Content Preview: | .ELF...a..........(.........4...........4. ...(.....................|...|...........................................Q.td..................................-...L."....5..........0@-.\P...0....S.0...P@...0... ....R......0...0...........0... ....R..... 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: | 3 |
Section Header Offset: | 63408 |
Section Header Size: | 40 |
Number of Section Headers: | 10 |
Header String Table Index: | 9 |
Name | Type | Address | Offset | Size | EntSize | Flags | Flags Description | Link | Info | Align |
---|---|---|---|---|---|---|---|---|---|---|
NULL | 0x0 | 0x0 | 0x0 | 0x0 | 0x0 | 0 | 0 | 0 | ||
.init | PROGBITS | 0x8094 | 0x94 | 0x18 | 0x0 | 0x6 | AX | 0 | 0 | 4 |
.text | PROGBITS | 0x80b0 | 0xb0 | 0xd800 | 0x0 | 0x6 | AX | 0 | 0 | 16 |
.fini | PROGBITS | 0x158b0 | 0xd8b0 | 0x14 | 0x0 | 0x6 | AX | 0 | 0 | 4 |
.rodata | PROGBITS | 0x158c4 | 0xd8c4 | 0x1ab8 | 0x0 | 0x2 | A | 0 | 0 | 4 |
.ctors | PROGBITS | 0x1f380 | 0xf380 | 0x8 | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.dtors | PROGBITS | 0x1f388 | 0xf388 | 0x8 | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.data | PROGBITS | 0x1f394 | 0xf394 | 0x3dc | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.bss | NOBITS | 0x1f770 | 0xf770 | 0xa2ac | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.shstrtab | STRTAB | 0x0 | 0xf770 | 0x3e | 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 | 0xf37c | 0xf37c | 6.1385 | 0x5 | R E | 0x8000 | .init .text .fini .rodata | |
LOAD | 0xf380 | 0x1f380 | 0x1f380 | 0x3f0 | 0xa69c | 3.5247 | 0x6 | RW | 0x8000 | .ctors .dtors .data .bss | |
GNU_STACK | 0x0 | 0x0 | 0x0 | 0x0 | 0x0 | 0.0000 | 0x7 | RWE | 0x4 |
Download Network PCAP: filtered – full
Timestamp | SID | Signature | Severity | Source IP | Source Port | Dest IP | Dest Port | Protocol |
---|---|---|---|---|---|---|---|---|
2025-03-18T02:56:35.545512+0100 | 2013514 | ET MALWARE Potential DNS Command and Control via TXT queries | 1 | 192.168.2.14 | 35709 | 8.8.4.4 | 53 | UDP |
- Total Packets: 19
Timestamp | Source Port | Dest Port | Source IP | Dest IP |
---|---|---|---|---|
Mar 18, 2025 02:56:45.065762043 CET | 60936 | 61003 | 192.168.2.14 | 185.194.205.79 |
Mar 18, 2025 02:56:45.071933985 CET | 61003 | 60936 | 185.194.205.79 | 192.168.2.14 |
Mar 18, 2025 02:56:45.072060108 CET | 60936 | 61003 | 192.168.2.14 | 185.194.205.79 |
Mar 18, 2025 02:56:45.072175026 CET | 60936 | 61003 | 192.168.2.14 | 185.194.205.79 |
Mar 18, 2025 02:56:45.078023911 CET | 61003 | 60936 | 185.194.205.79 | 192.168.2.14 |
Mar 18, 2025 02:57:45.109854937 CET | 60936 | 61003 | 192.168.2.14 | 185.194.205.79 |
Mar 18, 2025 02:57:45.114684105 CET | 61003 | 60936 | 185.194.205.79 | 192.168.2.14 |
Timestamp | Source Port | Dest Port | Source IP | Dest IP |
---|---|---|---|---|
Mar 18, 2025 02:56:29.303044081 CET | 47066 | 53 | 192.168.2.14 | 8.8.4.4 |
Mar 18, 2025 02:56:29.318551064 CET | 53 | 47066 | 8.8.4.4 | 192.168.2.14 |
Mar 18, 2025 02:56:30.339195013 CET | 38724 | 53 | 192.168.2.14 | 8.8.8.8 |
Mar 18, 2025 02:56:30.354130983 CET | 53 | 38724 | 8.8.8.8 | 192.168.2.14 |
Mar 18, 2025 02:56:31.355839968 CET | 54732 | 53 | 192.168.2.14 | 1.1.1.1 |
Mar 18, 2025 02:56:31.380656958 CET | 53 | 54732 | 1.1.1.1 | 192.168.2.14 |
Mar 18, 2025 02:56:32.382570982 CET | 56826 | 53 | 192.168.2.14 | 1.1.1.1 |
Mar 18, 2025 02:56:32.407053947 CET | 53 | 56826 | 1.1.1.1 | 192.168.2.14 |
Mar 18, 2025 02:56:33.409014940 CET | 52454 | 53 | 192.168.2.14 | 1.1.1.1 |
Mar 18, 2025 02:56:33.526523113 CET | 53 | 52454 | 1.1.1.1 | 192.168.2.14 |
Mar 18, 2025 02:56:34.528686047 CET | 50461 | 53 | 192.168.2.14 | 8.8.8.8 |
Mar 18, 2025 02:56:34.543294907 CET | 53 | 50461 | 8.8.8.8 | 192.168.2.14 |
Mar 18, 2025 02:56:35.545511961 CET | 35709 | 53 | 192.168.2.14 | 8.8.4.4 |
Mar 18, 2025 02:56:35.561005116 CET | 53 | 35709 | 8.8.4.4 | 192.168.2.14 |
Mar 18, 2025 02:56:36.563429117 CET | 41206 | 53 | 192.168.2.14 | 8.8.8.8 |
Mar 18, 2025 02:56:36.589200020 CET | 53 | 41206 | 8.8.8.8 | 192.168.2.14 |
Mar 18, 2025 02:56:37.591505051 CET | 57705 | 53 | 192.168.2.14 | 8.8.4.4 |
Mar 18, 2025 02:56:37.606509924 CET | 53 | 57705 | 8.8.4.4 | 192.168.2.14 |
Mar 18, 2025 02:56:38.609095097 CET | 45375 | 53 | 192.168.2.14 | 1.1.1.1 |
Mar 18, 2025 02:56:38.745601892 CET | 53 | 45375 | 1.1.1.1 | 192.168.2.14 |
Mar 18, 2025 02:56:39.748085022 CET | 51519 | 53 | 192.168.2.14 | 8.8.4.4 |
Mar 18, 2025 02:56:39.763427019 CET | 53 | 51519 | 8.8.4.4 | 192.168.2.14 |
Mar 18, 2025 02:56:40.765108109 CET | 36083 | 53 | 192.168.2.14 | 1.0.0.1 |
Mar 18, 2025 02:56:40.883146048 CET | 53 | 36083 | 1.0.0.1 | 192.168.2.14 |
Mar 18, 2025 02:56:41.885230064 CET | 38057 | 53 | 192.168.2.14 | 8.8.8.8 |
Mar 18, 2025 02:56:41.913467884 CET | 53 | 38057 | 8.8.8.8 | 192.168.2.14 |
Mar 18, 2025 02:56:42.915139914 CET | 47441 | 53 | 192.168.2.14 | 8.8.8.8 |
Mar 18, 2025 02:56:42.930180073 CET | 53 | 47441 | 8.8.8.8 | 192.168.2.14 |
Mar 18, 2025 02:56:43.931937933 CET | 43851 | 53 | 192.168.2.14 | 1.0.0.1 |
Mar 18, 2025 02:56:44.063656092 CET | 53 | 43851 | 1.0.0.1 | 192.168.2.14 |
Timestamp | Source IP | Dest IP | Trans ID | OP Code | Name | Type | Class | DNS over HTTPS |
---|---|---|---|---|---|---|---|---|
Mar 18, 2025 02:56:29.303044081 CET | 192.168.2.14 | 8.8.4.4 | 0xd1e7 | Standard query (0) | 16 | IN (0x0001) | false | |
Mar 18, 2025 02:56:30.339195013 CET | 192.168.2.14 | 8.8.8.8 | 0xd1e7 | Standard query (0) | 16 | IN (0x0001) | false | |
Mar 18, 2025 02:56:31.355839968 CET | 192.168.2.14 | 1.1.1.1 | 0xd1e7 | Standard query (0) | 16 | IN (0x0001) | false | |
Mar 18, 2025 02:56:32.382570982 CET | 192.168.2.14 | 1.1.1.1 | 0xd1e7 | Standard query (0) | 16 | IN (0x0001) | false | |
Mar 18, 2025 02:56:33.409014940 CET | 192.168.2.14 | 1.1.1.1 | 0xd1e7 | Standard query (0) | 16 | IN (0x0001) | false | |
Mar 18, 2025 02:56:34.528686047 CET | 192.168.2.14 | 8.8.8.8 | 0xd1e7 | Standard query (0) | 16 | IN (0x0001) | false | |
Mar 18, 2025 02:56:35.545511961 CET | 192.168.2.14 | 8.8.4.4 | 0xd1e7 | Standard query (0) | 16 | IN (0x0001) | false | |
Mar 18, 2025 02:56:36.563429117 CET | 192.168.2.14 | 8.8.8.8 | 0xd1e7 | Standard query (0) | 16 | IN (0x0001) | false | |
Mar 18, 2025 02:56:37.591505051 CET | 192.168.2.14 | 8.8.4.4 | 0xd1e7 | Standard query (0) | 16 | IN (0x0001) | false | |
Mar 18, 2025 02:56:38.609095097 CET | 192.168.2.14 | 1.1.1.1 | 0xd1e7 | Standard query (0) | 16 | IN (0x0001) | false | |
Mar 18, 2025 02:56:39.748085022 CET | 192.168.2.14 | 8.8.4.4 | 0xd1e7 | Standard query (0) | 16 | IN (0x0001) | false | |
Mar 18, 2025 02:56:40.765108109 CET | 192.168.2.14 | 1.0.0.1 | 0xd1e7 | Standard query (0) | 16 | IN (0x0001) | false | |
Mar 18, 2025 02:56:41.885230064 CET | 192.168.2.14 | 8.8.8.8 | 0xd1e7 | Standard query (0) | 16 | IN (0x0001) | false | |
Mar 18, 2025 02:56:42.915139914 CET | 192.168.2.14 | 8.8.8.8 | 0xd1e7 | Standard query (0) | 16 | IN (0x0001) | false | |
Mar 18, 2025 02:56:43.931937933 CET | 192.168.2.14 | 1.0.0.1 | 0xd1e7 | Standard query (0) | 16 | IN (0x0001) | false |
Timestamp | Source IP | Dest IP | Trans ID | Reply Code | Name | CName | Address | Type | Class | DNS over HTTPS |
---|---|---|---|---|---|---|---|---|---|---|
Mar 18, 2025 02:56:29.318551064 CET | 8.8.4.4 | 192.168.2.14 | 0xd1e7 | Name error (3) | none | none | 16 | IN (0x0001) | false | |
Mar 18, 2025 02:56:30.354130983 CET | 8.8.8.8 | 192.168.2.14 | 0xd1e7 | Name error (3) | none | none | 16 | IN (0x0001) | false | |
Mar 18, 2025 02:56:31.380656958 CET | 1.1.1.1 | 192.168.2.14 | 0xd1e7 | Name error (3) | none | none | 16 | IN (0x0001) | false | |
Mar 18, 2025 02:56:32.407053947 CET | 1.1.1.1 | 192.168.2.14 | 0xd1e7 | Name error (3) | none | none | 16 | IN (0x0001) | false | |
Mar 18, 2025 02:56:33.526523113 CET | 1.1.1.1 | 192.168.2.14 | 0xd1e7 | Name error (3) | none | none | 16 | IN (0x0001) | false | |
Mar 18, 2025 02:56:34.543294907 CET | 8.8.8.8 | 192.168.2.14 | 0xd1e7 | Name error (3) | none | none | 16 | IN (0x0001) | false | |
Mar 18, 2025 02:56:35.561005116 CET | 8.8.4.4 | 192.168.2.14 | 0xd1e7 | Name error (3) | none | none | 16 | IN (0x0001) | false | |
Mar 18, 2025 02:56:36.589200020 CET | 8.8.8.8 | 192.168.2.14 | 0xd1e7 | Name error (3) | none | none | 16 | IN (0x0001) | false | |
Mar 18, 2025 02:56:37.606509924 CET | 8.8.4.4 | 192.168.2.14 | 0xd1e7 | Name error (3) | none | none | 16 | IN (0x0001) | false | |
Mar 18, 2025 02:56:38.745601892 CET | 1.1.1.1 | 192.168.2.14 | 0xd1e7 | Name error (3) | none | none | 16 | IN (0x0001) | false | |
Mar 18, 2025 02:56:39.763427019 CET | 8.8.4.4 | 192.168.2.14 | 0xd1e7 | Name error (3) | none | none | 16 | IN (0x0001) | false | |
Mar 18, 2025 02:56:40.883146048 CET | 1.0.0.1 | 192.168.2.14 | 0xd1e7 | Name error (3) | none | none | 16 | IN (0x0001) | false | |
Mar 18, 2025 02:56:41.913467884 CET | 8.8.8.8 | 192.168.2.14 | 0xd1e7 | Name error (3) | none | none | 16 | IN (0x0001) | false | |
Mar 18, 2025 02:56:42.930180073 CET | 8.8.8.8 | 192.168.2.14 | 0xd1e7 | Name error (3) | none | none | 16 | IN (0x0001) | false | |
Mar 18, 2025 02:56:44.063656092 CET | 1.0.0.1 | 192.168.2.14 | 0xd1e7 | Name error (3) | none | none | 16 | IN (0x0001) | false |
System Behavior
Start time (UTC): | 01:56:28 |
Start date (UTC): | 18/03/2025 |
Path: | /tmp/sync.arm4.elf |
Arguments: | /tmp/sync.arm4.elf |
File size: | 4956856 bytes |
MD5 hash: | 5ebfcae4fe2471fcc5695c2394773ff1 |
Start time (UTC): | 01:56:28 |
Start date (UTC): | 18/03/2025 |
Path: | /tmp/sync.arm4.elf |
Arguments: | - |
File size: | 4956856 bytes |
MD5 hash: | 5ebfcae4fe2471fcc5695c2394773ff1 |
Start time (UTC): | 01:56:28 |
Start date (UTC): | 18/03/2025 |
Path: | /tmp/sync.arm4.elf |
Arguments: | - |
File size: | 4956856 bytes |
MD5 hash: | 5ebfcae4fe2471fcc5695c2394773ff1 |