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Linux
Analysis Report
n7Nzys6TF5.elf
Overview
General Information
Sample name: | n7Nzys6TF5.elfrenamed because original name is a hash value |
Original sample name: | 10b93cb7ab56c399b8359cd8e71dfb90.elf |
Analysis ID: | 1531065 |
MD5: | 10b93cb7ab56c399b8359cd8e71dfb90 |
SHA1: | a210b19749d938d7876acb945375e7992077ddea |
SHA256: | 8cf158f86dc0dbd183f6e380ca2ac18117e20f5bdaa683edcb5f5d3bed3a7241 |
Tags: | 32elfmirairenesas |
Infos: | |
Detection
Mirai
Score: | 72 |
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
Yara detected Mirai
Executes the "rm" command used to delete files or directories
Sample contains strings indicative of BusyBox which embeds multiple Unix commands in a single executable
Sample has stripped symbol table
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: | 1531065 |
Start date and time: | 2024-10-10 20:03:30 +02:00 |
Joe Sandbox product: | CloudBasic |
Overall analysis duration: | 0h 4m 20s |
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: | n7Nzys6TF5.elfrenamed because original name is a hash value |
Original Sample Name: | 10b93cb7ab56c399b8359cd8e71dfb90.elf |
Detection: | MAL |
Classification: | mal72.troj.linELF@0/0@0/0 |
- VT rate limit hit for: n7Nzys6TF5.elf
Command: | /tmp/n7Nzys6TF5.elf |
PID: | 5515 |
Exit Code: | 1 |
Exit Code Info: | |
Killed: | False |
Standard Output: | |
Standard Error: |
- system is lnxubuntu20
- dash New Fork (PID: 5555, Parent: 3670)
- dash New Fork (PID: 5556, Parent: 3670)
- dash New Fork (PID: 5557, Parent: 3670)
- dash New Fork (PID: 5558, Parent: 3670)
- dash New Fork (PID: 5559, Parent: 3670)
- dash New Fork (PID: 5560, Parent: 3670)
- dash New Fork (PID: 5561, Parent: 3670)
- dash New Fork (PID: 5562, Parent: 3670)
- dash New Fork (PID: 5563, Parent: 3670)
- dash New Fork (PID: 5564, Parent: 3670)
- cleanup
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Mirai_8 | Yara detected Mirai | Joe Security | ||
Linux_Trojan_Gafgyt_28a2fe0c | unknown | unknown |
| |
Linux_Trojan_Gafgyt_ea92cca8 | unknown | unknown |
|
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Mirai_8 | Yara detected Mirai | Joe Security | ||
Linux_Trojan_Gafgyt_28a2fe0c | unknown | unknown |
| |
Linux_Trojan_Gafgyt_ea92cca8 | unknown | unknown |
| |
JoeSecurity_Mirai_8 | Yara detected Mirai | Joe Security | ||
Linux_Trojan_Gafgyt_28a2fe0c | unknown | unknown |
| |
Click to see the 1 entries |
⊘No Suricata rule has matched
Click to jump to signature section
Show All Signature Results
AV Detection |
---|
Source: | Avira: |
Source: | ReversingLabs: |
Source: | HTTPS 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: | 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: | Network traffic detected: | ||
Source: | Network traffic detected: |
Source: | HTTPS traffic detected: |
System Summary |
---|
Source: | Matched rule: | ||
Source: | Matched rule: | ||
Source: | Matched rule: | ||
Source: | Matched rule: | ||
Source: | Matched rule: | ||
Source: | Matched rule: |
Source: | String containing 'busybox' found: | ||
Source: | String containing 'busybox' found: |
Source: | .symtab present: |
Source: | Matched rule: | ||
Source: | Matched rule: | ||
Source: | Matched rule: | ||
Source: | Matched rule: | ||
Source: | Matched rule: | ||
Source: | Matched rule: |
Source: | Classification label: |
Source: | Rm executable: | Jump to behavior | ||
Source: | Rm executable: | 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: |
Stealing of Sensitive Information |
---|
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: |
Remote Access Functionality |
---|
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: |
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 File Deletion | OS Credential Dumping | 11 Security Software Discovery | Remote Services | Data from Local System | 1 Encrypted Channel | 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
This section contains all screenshots as thumbnails, including those not shown in the slideshow.
Source | Detection | Scanner | Label | Link |
---|---|---|---|---|
63% | ReversingLabs | Linux.Trojan.Mirai | ||
100% | Avira | EXP/ELF.Mirai.Z.A |
⊘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 |
---|---|---|---|---|---|---|
54.171.230.55 | unknown | United States | 16509 | AMAZON-02US | false |
Match | Associated Sample Name / URL | SHA 256 | Detection | Threat Name | Link | Context |
---|---|---|---|---|---|---|
54.171.230.55 | Get hash | malicious | Unknown | Browse | ||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Gafgyt | Browse | |||
Get hash | malicious | Mirai, Gafgyt, Okiru | Browse | |||
Get hash | malicious | Mirai, Moobot | Browse | |||
Get hash | malicious | Mirai, Gafgyt, Okiru | Browse | |||
Get hash | malicious | Moobot | Browse | |||
Get hash | malicious | Okiru | Browse | |||
Get hash | malicious | Okiru | Browse | |||
Get hash | malicious | Okiru | Browse |
⊘No context
Match | Associated Sample Name / URL | SHA 256 | Detection | Threat Name | Link | Context |
---|---|---|---|---|---|---|
AMAZON-02US | Get hash | malicious | Unknown | Browse |
| |
Get hash | malicious | HtmlDropper | Browse |
| ||
Get hash | malicious | Credential Flusher | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Credential Flusher | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Numando | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Unknown | Browse |
|
⊘No context
⊘No context
⊘No created / dropped files found
File type: | |
Entropy (8bit): | 6.246403099736415 |
TrID: |
|
File name: | n7Nzys6TF5.elf |
File size: | 117'568 bytes |
MD5: | 10b93cb7ab56c399b8359cd8e71dfb90 |
SHA1: | a210b19749d938d7876acb945375e7992077ddea |
SHA256: | 8cf158f86dc0dbd183f6e380ca2ac18117e20f5bdaa683edcb5f5d3bed3a7241 |
SHA512: | 037b64a33e7428ad499462064df44d5a999c3075cb8b64a395c7338c874f9c9a4ca5fbf9275e777fcdbdb7a215188f99f13c4e726f2f5c6133a26d651ced7b62 |
SSDEEP: | 1536:WTW/VCxsHZuss2Li62C8vqKTR5/PPVGAto2WszrW+TNe7m:WytCxssx62NFT7VG92Wcrbwq |
TLSH: | FAB35BB3DC26AF98C655D074B0B08FB92F53A59482471FBE19B6C2B44443D8DFA05BB8 |
File Content Preview: | .ELF..............*.......@.4...........4. ...(...............@...@.`~..`~....................B...B.DI..x...........Q.td............................././"O.n........#.*@........#.*@.U...o&O.n...l..............................././.../.a"O.!...n...a.b("...q. |
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: | 117128 |
Section Header Size: | 40 |
Number of Section Headers: | 11 |
Header String Table Index: | 10 |
Name | Type | Address | Offset | Size | EntSize | Flags | Flags Description | Link | Info | Align |
---|---|---|---|---|---|---|---|---|---|---|
NULL | 0x0 | 0x0 | 0x0 | 0x0 | 0x0 | 0 | 0 | 0 | ||
.init | PROGBITS | 0x400094 | 0x94 | 0x30 | 0x0 | 0x6 | AX | 0 | 0 | 4 |
.text | PROGBITS | 0x4000e0 | 0xe0 | 0x15520 | 0x0 | 0x6 | AX | 0 | 0 | 32 |
.fini | PROGBITS | 0x415600 | 0x15600 | 0x24 | 0x0 | 0x6 | AX | 0 | 0 | 4 |
.rodata | PROGBITS | 0x415624 | 0x15624 | 0x283c | 0x0 | 0x2 | A | 0 | 0 | 4 |
.ctors | PROGBITS | 0x428000 | 0x18000 | 0xc | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.dtors | PROGBITS | 0x42800c | 0x1800c | 0x8 | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.data | PROGBITS | 0x428020 | 0x18020 | 0x4910 | 0x0 | 0x3 | WA | 0 | 0 | 32 |
.got | PROGBITS | 0x42c930 | 0x1c930 | 0x14 | 0x4 | 0x3 | WA | 0 | 0 | 4 |
.bss | NOBITS | 0x42c944 | 0x1c944 | 0x5634 | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.shstrtab | STRTAB | 0x0 | 0x1c944 | 0x43 | 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 | 0x17e60 | 0x17e60 | 6.9430 | 0x5 | R E | 0x10000 | .init .text .fini .rodata | |
LOAD | 0x18000 | 0x428000 | 0x428000 | 0x4944 | 0x9f78 | 0.4230 | 0x6 | RW | 0x10000 | .ctors .dtors .data .got .bss | |
GNU_STACK | 0x0 | 0x0 | 0x0 | 0x0 | 0x0 | 0.0000 | 0x7 | RWE | 0x4 |
Timestamp | Source Port | Dest Port | Source IP | Dest IP |
---|---|---|---|---|
Oct 10, 2024 20:04:32.661540985 CEST | 443 | 60058 | 54.171.230.55 | 192.168.2.15 |
Oct 10, 2024 20:04:32.661819935 CEST | 443 | 60058 | 54.171.230.55 | 192.168.2.15 |
Oct 10, 2024 20:04:32.661854029 CEST | 443 | 60058 | 54.171.230.55 | 192.168.2.15 |
Oct 10, 2024 20:04:32.661850929 CEST | 60058 | 443 | 192.168.2.15 | 54.171.230.55 |
Oct 10, 2024 20:04:32.661930084 CEST | 60058 | 443 | 192.168.2.15 | 54.171.230.55 |
Oct 10, 2024 20:04:32.661931038 CEST | 60058 | 443 | 192.168.2.15 | 54.171.230.55 |
Oct 10, 2024 20:04:32.664378881 CEST | 60058 | 443 | 192.168.2.15 | 54.171.230.55 |
Oct 10, 2024 20:04:32.669244051 CEST | 443 | 60058 | 54.171.230.55 | 192.168.2.15 |
Oct 10, 2024 20:04:32.853121996 CEST | 443 | 60058 | 54.171.230.55 | 192.168.2.15 |
Oct 10, 2024 20:04:32.853262901 CEST | 60058 | 443 | 192.168.2.15 | 54.171.230.55 |
Oct 10, 2024 20:04:32.853646994 CEST | 60058 | 443 | 192.168.2.15 | 54.171.230.55 |
Oct 10, 2024 20:04:32.858659983 CEST | 443 | 60058 | 54.171.230.55 | 192.168.2.15 |
Oct 10, 2024 20:04:33.291455984 CEST | 443 | 60058 | 54.171.230.55 | 192.168.2.15 |
Oct 10, 2024 20:04:33.291642904 CEST | 60058 | 443 | 192.168.2.15 | 54.171.230.55 |
Oct 10, 2024 20:04:33.293956041 CEST | 60058 | 443 | 192.168.2.15 | 54.171.230.55 |
Oct 10, 2024 20:04:33.299458981 CEST | 443 | 60058 | 54.171.230.55 | 192.168.2.15 |
Oct 10, 2024 20:04:33.299540043 CEST | 60058 | 443 | 192.168.2.15 | 54.171.230.55 |
Timestamp | Source IP | Source Port | Dest IP | Dest Port | Subject | Issuer | Not Before | Not After | JA3 SSL Client Fingerprint | JA3 SSL Client Digest |
---|---|---|---|---|---|---|---|---|---|---|
Oct 10, 2024 20:04:32.661854029 CEST | 54.171.230.55 | 443 | 192.168.2.15 | 60058 | CN=motd.ubuntu.com CN=R10, O=Let's Encrypt, C=US | CN=R10, O=Let's Encrypt, C=US CN=ISRG Root X1, O=Internet Security Research Group, C=US | Tue Aug 06 10:27:48 CEST 2024 Wed Mar 13 01:00:00 CET 2024 | Mon Nov 04 09:27:47 CET 2024 Sat Mar 13 00:59:59 CET 2027 | ||
CN=R10, O=Let's Encrypt, C=US | CN=ISRG Root X1, O=Internet Security Research Group, C=US | Wed Mar 13 01:00:00 CET 2024 | Sat Mar 13 00:59:59 CET 2027 |
System Behavior
Start time (UTC): | 18:04:10 |
Start date (UTC): | 10/10/2024 |
Path: | /tmp/n7Nzys6TF5.elf |
Arguments: | /tmp/n7Nzys6TF5.elf |
File size: | 4139976 bytes |
MD5 hash: | 8943e5f8f8c280467b4472c15ae93ba9 |
Start time (UTC): | 18:04:32 |
Start date (UTC): | 10/10/2024 |
Path: | /usr/bin/dash |
Arguments: | - |
File size: | 129816 bytes |
MD5 hash: | 1e6b1c887c59a315edb7eb9a315fc84c |
Start time (UTC): | 18:04:32 |
Start date (UTC): | 10/10/2024 |
Path: | /usr/bin/rm |
Arguments: | rm -f /tmp/tmp.wzb3ueiOr7 /tmp/tmp.uaEUOMbJbC /tmp/tmp.T3QHwrztAq |
File size: | 72056 bytes |
MD5 hash: | aa2b5496fdbfd88e38791ab81f90b95b |
Start time (UTC): | 18:04:32 |
Start date (UTC): | 10/10/2024 |
Path: | /usr/bin/dash |
Arguments: | - |
File size: | 129816 bytes |
MD5 hash: | 1e6b1c887c59a315edb7eb9a315fc84c |
Start time (UTC): | 18:04:32 |
Start date (UTC): | 10/10/2024 |
Path: | /usr/bin/cat |
Arguments: | cat /tmp/tmp.wzb3ueiOr7 |
File size: | 43416 bytes |
MD5 hash: | 7e9d213e404ad3bb82e4ebb2e1f2c1b3 |
Start time (UTC): | 18:04:32 |
Start date (UTC): | 10/10/2024 |
Path: | /usr/bin/dash |
Arguments: | - |
File size: | 129816 bytes |
MD5 hash: | 1e6b1c887c59a315edb7eb9a315fc84c |
Start time (UTC): | 18:04:32 |
Start date (UTC): | 10/10/2024 |
Path: | /usr/bin/head |
Arguments: | head -n 10 |
File size: | 47480 bytes |
MD5 hash: | fd96a67145172477dd57131396fc9608 |
Start time (UTC): | 18:04:32 |
Start date (UTC): | 10/10/2024 |
Path: | /usr/bin/dash |
Arguments: | - |
File size: | 129816 bytes |
MD5 hash: | 1e6b1c887c59a315edb7eb9a315fc84c |
Start time (UTC): | 18:04:32 |
Start date (UTC): | 10/10/2024 |
Path: | /usr/bin/tr |
Arguments: | tr -d \\000-\\011\\013\\014\\016-\\037 |
File size: | 51544 bytes |
MD5 hash: | fbd1402dd9f72d8ebfff00ce7c3a7bb5 |
Start time (UTC): | 18:04:32 |
Start date (UTC): | 10/10/2024 |
Path: | /usr/bin/dash |
Arguments: | - |
File size: | 129816 bytes |
MD5 hash: | 1e6b1c887c59a315edb7eb9a315fc84c |
Start time (UTC): | 18:04:32 |
Start date (UTC): | 10/10/2024 |
Path: | /usr/bin/cut |
Arguments: | cut -c -80 |
File size: | 47480 bytes |
MD5 hash: | d8ed0ea8f22c0de0f8692d4d9f1759d3 |
Start time (UTC): | 18:04:32 |
Start date (UTC): | 10/10/2024 |
Path: | /usr/bin/dash |
Arguments: | - |
File size: | 129816 bytes |
MD5 hash: | 1e6b1c887c59a315edb7eb9a315fc84c |
Start time (UTC): | 18:04:32 |
Start date (UTC): | 10/10/2024 |
Path: | /usr/bin/cat |
Arguments: | cat /tmp/tmp.wzb3ueiOr7 |
File size: | 43416 bytes |
MD5 hash: | 7e9d213e404ad3bb82e4ebb2e1f2c1b3 |
Start time (UTC): | 18:04:32 |
Start date (UTC): | 10/10/2024 |
Path: | /usr/bin/dash |
Arguments: | - |
File size: | 129816 bytes |
MD5 hash: | 1e6b1c887c59a315edb7eb9a315fc84c |
Start time (UTC): | 18:04:32 |
Start date (UTC): | 10/10/2024 |
Path: | /usr/bin/head |
Arguments: | head -n 10 |
File size: | 47480 bytes |
MD5 hash: | fd96a67145172477dd57131396fc9608 |
Start time (UTC): | 18:04:32 |
Start date (UTC): | 10/10/2024 |
Path: | /usr/bin/dash |
Arguments: | - |
File size: | 129816 bytes |
MD5 hash: | 1e6b1c887c59a315edb7eb9a315fc84c |
Start time (UTC): | 18:04:32 |
Start date (UTC): | 10/10/2024 |
Path: | /usr/bin/tr |
Arguments: | tr -d \\000-\\011\\013\\014\\016-\\037 |
File size: | 51544 bytes |
MD5 hash: | fbd1402dd9f72d8ebfff00ce7c3a7bb5 |
Start time (UTC): | 18:04:32 |
Start date (UTC): | 10/10/2024 |
Path: | /usr/bin/dash |
Arguments: | - |
File size: | 129816 bytes |
MD5 hash: | 1e6b1c887c59a315edb7eb9a315fc84c |
Start time (UTC): | 18:04:32 |
Start date (UTC): | 10/10/2024 |
Path: | /usr/bin/cut |
Arguments: | cut -c -80 |
File size: | 47480 bytes |
MD5 hash: | d8ed0ea8f22c0de0f8692d4d9f1759d3 |
Start time (UTC): | 18:04:32 |
Start date (UTC): | 10/10/2024 |
Path: | /usr/bin/dash |
Arguments: | - |
File size: | 129816 bytes |
MD5 hash: | 1e6b1c887c59a315edb7eb9a315fc84c |
Start time (UTC): | 18:04:32 |
Start date (UTC): | 10/10/2024 |
Path: | /usr/bin/rm |
Arguments: | rm -f /tmp/tmp.wzb3ueiOr7 /tmp/tmp.uaEUOMbJbC /tmp/tmp.T3QHwrztAq |
File size: | 72056 bytes |
MD5 hash: | aa2b5496fdbfd88e38791ab81f90b95b |