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Linux
Analysis Report
sh4.elf
Overview
General Information
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: | 1589772 |
Start date and time: | 2025-01-13 06:16:07 +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: | sh4.elf |
Detection: | MAL |
Classification: | mal56.linELF@0/0@0/0 |
Command: | /tmp/sh4.elf |
PID: | 5433 |
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 |
|
⊘No Suricata rule has matched
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: | .symtab present: |
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
This section contains all screenshots as thumbnails, including those not shown in the slideshow.
Source | Detection | Scanner | Label | Link |
---|---|---|---|---|
24% | ReversingLabs | Linux.Trojan.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 | Mirai | Browse | |||
Get hash | malicious | Mirai | 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 | Mirai | Browse |
| ||
Get hash | malicious | Mirai | Browse |
|
⊘No context
⊘No context
⊘No created / dropped files found
File type: | |
Entropy (8bit): | 6.805812220385492 |
TrID: |
|
File name: | sh4.elf |
File size: | 51'400 bytes |
MD5: | b1fab035fef1a4ca50d4d6229a63fb1e |
SHA1: | 61f71b5fbbaf52f7c5c5a05dd84964ca9e776f33 |
SHA256: | 10b7747e0f87f4dd6e4035208022fd00bf82a0f2f550637545f070c07b6b3e2e |
SHA512: | 1b1e334d4edc098874c79ed00bca1cbe53145082957ba138aa1a013385ae39dd1eb97666e3c6fc84bfc29d6a6d280f78b2953afce762818df3d74185b2750047 |
SSDEEP: | 768:9toJpbEoAsjiR33Z2taf82OvVdor+rjNO36qwx4gUw:9tUpHji1Zf8jdor+lO36mgV |
TLSH: | 1A337E66E5211F93C40696787438DF3C0F2321E193967DB26E268AF40887D5EF859FE8 |
File Content Preview: | .ELF..............*.......@.4...........4. ...(...............@...@...........................@...@.(...03....................@...@.................Q.td............................././"O.n........#.*@........#.*@,....o&O.n...l............................. |
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: | 4 |
Section Header Offset: | 50840 |
Section Header Size: | 40 |
Number of Section Headers: | 14 |
Header String Table Index: | 13 |
Name | Type | Address | Offset | Size | EntSize | Flags | Flags Description | Link | Info | Align |
---|---|---|---|---|---|---|---|---|---|---|
NULL | 0x0 | 0x0 | 0x0 | 0x0 | 0x0 | 0 | 0 | 0 | ||
.init | PROGBITS | 0x4000b4 | 0xb4 | 0x30 | 0x0 | 0x6 | AX | 0 | 0 | 4 |
.text | PROGBITS | 0x400100 | 0x100 | 0xb440 | 0x0 | 0x6 | AX | 0 | 0 | 32 |
.fini | PROGBITS | 0x40b540 | 0xb540 | 0x24 | 0x0 | 0x6 | AX | 0 | 0 | 4 |
.rodata | PROGBITS | 0x40b564 | 0xb564 | 0xcb2 | 0x0 | 0x2 | A | 0 | 0 | 4 |
.eh_frame | PROGBITS | 0x40d218 | 0xc218 | 0x7c | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.tbss | NOBITS | 0x40d294 | 0xc294 | 0x8 | 0x0 | 0x403 | WAT | 0 | 0 | 4 |
.ctors | PROGBITS | 0x40d294 | 0xc294 | 0x8 | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.dtors | PROGBITS | 0x40d29c | 0xc29c | 0x8 | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.jcr | PROGBITS | 0x40d2a4 | 0xc2a4 | 0x4 | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.data | PROGBITS | 0x40d2a8 | 0xc2a8 | 0x384 | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.got | PROGBITS | 0x40d62c | 0xc62c | 0x14 | 0x4 | 0x3 | WA | 0 | 0 | 4 |
.bss | NOBITS | 0x40d640 | 0xc640 | 0x2f08 | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.shstrtab | STRTAB | 0x0 | 0xc640 | 0x58 | 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 | 0x400000 | 0x400000 | 0xc216 | 0xc216 | 6.8490 | 0x5 | R E | 0x1000 | .init .text .fini .rodata | |
LOAD | 0xc218 | 0x40d218 | 0x40d218 | 0x428 | 0x3330 | 4.9213 | 0x6 | RW | 0x1000 | .eh_frame .tbss .ctors .dtors .jcr .data .got .bss | |
TLS | 0xc294 | 0x40d294 | 0x40d294 | 0x0 | 0x8 | 0.0000 | 0x4 | R | 0x4 | .tbss | |
GNU_STACK | 0x0 | 0x0 | 0x0 | 0x0 | 0x0 | 0.0000 | 0x7 | RWE | 0x4 |
Timestamp | Source Port | Dest Port | Source IP | Dest IP |
---|---|---|---|---|
Jan 13, 2025 06:16:54.555823088 CET | 45926 | 999 | 192.168.2.13 | 85.239.34.134 |
Jan 13, 2025 06:16:54.560913086 CET | 999 | 45926 | 85.239.34.134 | 192.168.2.13 |
Jan 13, 2025 06:16:54.560969114 CET | 45926 | 999 | 192.168.2.13 | 85.239.34.134 |
Jan 13, 2025 06:16:54.561188936 CET | 45926 | 999 | 192.168.2.13 | 85.239.34.134 |
Jan 13, 2025 06:16:54.566051006 CET | 999 | 45926 | 85.239.34.134 | 192.168.2.13 |
Jan 13, 2025 06:16:54.566132069 CET | 45926 | 999 | 192.168.2.13 | 85.239.34.134 |
Jan 13, 2025 06:16:54.571026087 CET | 999 | 45926 | 85.239.34.134 | 192.168.2.13 |
Jan 13, 2025 06:17:04.571748972 CET | 45926 | 999 | 192.168.2.13 | 85.239.34.134 |
Jan 13, 2025 06:17:04.576947927 CET | 999 | 45926 | 85.239.34.134 | 192.168.2.13 |
Jan 13, 2025 06:17:04.793167114 CET | 999 | 45926 | 85.239.34.134 | 192.168.2.13 |
Jan 13, 2025 06:17:04.793422937 CET | 45926 | 999 | 192.168.2.13 | 85.239.34.134 |
Jan 13, 2025 06:18:04.854646921 CET | 45926 | 999 | 192.168.2.13 | 85.239.34.134 |
Jan 13, 2025 06:18:04.860598087 CET | 999 | 45926 | 85.239.34.134 | 192.168.2.13 |
Jan 13, 2025 06:18:05.077505112 CET | 999 | 45926 | 85.239.34.134 | 192.168.2.13 |
Jan 13, 2025 06:18:05.077718019 CET | 45926 | 999 | 192.168.2.13 | 85.239.34.134 |
System Behavior
Start time (UTC): | 05:16:53 |
Start date (UTC): | 13/01/2025 |
Path: | /tmp/sh4.elf |
Arguments: | /tmp/sh4.elf |
File size: | 4139976 bytes |
MD5 hash: | 8943e5f8f8c280467b4472c15ae93ba9 |
Start time (UTC): | 05:16:53 |
Start date (UTC): | 13/01/2025 |
Path: | /tmp/sh4.elf |
Arguments: | - |
File size: | 4139976 bytes |
MD5 hash: | 8943e5f8f8c280467b4472c15ae93ba9 |