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Linux Analysis Report
gx86.elf

Overview

General Information

Sample name:	gx86.elf
Analysis ID:	1589920
MD5:	9d169d17adcc02ada564bd1463dc2673
SHA1:	dbab5cd5c3dbc471530cdd0a65ef9893b8e9ce96
SHA256:	efdeb18055da1fd430c782c1578485e95a064fbedbbf82cb93bd7b58cb8cdeee
Tags:	elfuser-abuse_ch
Infos:

Detection

Score:	64
Range:	0 - 100
Whitelisted:	false

Signatures

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Connects to many ports of the same IP (likely port scanning)

Machine Learning detection for sample

Detected TCP or UDP traffic on non-standard ports

Enumerates processes within the "proc" file system

Found strings indicative of a multi-platform dropper

Sample contains strings indicative of BusyBox which embeds multiple Unix commands in a single executable

Sample has stripped symbol table

Yara signature match

Classification

General Information

Joe Sandbox version:	42.0.0 Malachite
Analysis ID:	1589920
Start date and time:	2025-01-13 10:27:15 +01:00
Joe Sandbox product:	CloudBasic
Overall analysis duration:	0h 4m 24s
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:	gx86.elf
Detection:	MAL
Classification:	mal64.troj.linELF@0/0@0/0

Runtime Messages

Command:	/tmp/gx86.elf
PID:	5532
Exit Code:	0
Exit Code Info:
Killed:	False
Standard Output:	a cat is fine too
Standard Error:

Process Tree

system is lnxubuntu20

gx86.elf (PID: 5532, Parent: 5449, MD5: 9d169d17adcc02ada564bd1463dc2673) Arguments: /tmp/gx86.elf

gx86.elf New Fork (PID: 5533, Parent: 5532)

gx86.elf New Fork (PID: 5534, Parent: 5533)

cleanup

Yara Signatures

Initial Sample

Source	Rule	Description	Author	Strings
gx86.elf	Linux_Trojan_Mirai_b14f4c5d	unknown	unknown	0x3bf0:$a: 53 31 DB 8B 4C 24 0C 8B 54 24 08 83 F9 01 76 15 66 8B 02 83 E9 02 25 FF FF 00 00 83 C2 02 01 C3 83 F9 01 77 EB 49 75 05 0F BE 02 01 C3
gx86.elf	Linux_Trojan_Mirai_88de437f	unknown	unknown	0x5232:$a: 24 08 8B 4C 24 04 85 D2 74 0D 31 C0 89 F6 C6 04 08 00 40 39 D0
gx86.elf	Linux_Trojan_Mirai_ae9d0fa6	unknown	unknown	0x192:$a: 83 EC 04 8A 44 24 18 8B 5C 24 14 88 44 24 03 8A 44 24 10 25 FF 00
gx86.elf	Linux_Trojan_Mirai_389ee3e9	unknown	unknown	0x85a7:$a: 89 45 00 EB 2C 8B 4B 04 8B 13 8B 7B 18 8B 01 01 02 8B 02 83
gx86.elf	Linux_Trojan_Mirai_cc93863b	unknown	unknown	0x6bc5:$a: C3 57 8B 44 24 0C 8B 4C 24 10 8B 7C 24 08 F3 AA 8B 44 24 08
gx86.elf	Linux_Trojan_Mirai_8aa7b5d3	unknown	unknown	0x5202:$a: 8B 4C 24 14 8B 74 24 0C 8B 5C 24 10 85 C9 74 0D 31 D2 8A 04 1A 88
Click to see the 1 entries

Memory Dumps

Source	Rule	Description	Author	Strings
5532.1.0000000008048000.0000000008054000.r-x.sdmp	Linux_Trojan_Mirai_b14f4c5d	unknown	unknown	0x3bf0:$a: 53 31 DB 8B 4C 24 0C 8B 54 24 08 83 F9 01 76 15 66 8B 02 83 E9 02 25 FF FF 00 00 83 C2 02 01 C3 83 F9 01 77 EB 49 75 05 0F BE 02 01 C3
5532.1.0000000008048000.0000000008054000.r-x.sdmp	Linux_Trojan_Mirai_88de437f	unknown	unknown	0x5232:$a: 24 08 8B 4C 24 04 85 D2 74 0D 31 C0 89 F6 C6 04 08 00 40 39 D0
5532.1.0000000008048000.0000000008054000.r-x.sdmp	Linux_Trojan_Mirai_ae9d0fa6	unknown	unknown	0x192:$a: 83 EC 04 8A 44 24 18 8B 5C 24 14 88 44 24 03 8A 44 24 10 25 FF 00
5532.1.0000000008048000.0000000008054000.r-x.sdmp	Linux_Trojan_Mirai_389ee3e9	unknown	unknown	0x85a7:$a: 89 45 00 EB 2C 8B 4B 04 8B 13 8B 7B 18 8B 01 01 02 8B 02 83
5532.1.0000000008048000.0000000008054000.r-x.sdmp	Linux_Trojan_Mirai_cc93863b	unknown	unknown	0x6bc5:$a: C3 57 8B 44 24 0C 8B 4C 24 10 8B 7C 24 08 F3 AA 8B 44 24 08
5532.1.0000000008048000.0000000008054000.r-x.sdmp	Linux_Trojan_Mirai_8aa7b5d3	unknown	unknown	0x5202:$a: 8B 4C 24 14 8B 74 24 0C 8B 5C 24 10 85 C9 74 0D 31 D2 8A 04 1A 88
Click to see the 1 entries

Suricata Signatures

⊘No Suricata rule has matched

Joe Sandbox Signatures

Click to jump to signature section

Show All Signature Results

AV Detection

Multi AV Scanner detection for submitted file

Source: gx86.elf

ReversingLabs: Detection: 28%

Machine Learning detection for sample

Source: gx86.elf

Joe Sandbox ML: detected

Source: gx86.elf

String: /proc/proc/%s/cmdlinewgetcurltftpftpget[locker] Failed to kill process. /sbin/procd/sbin/klogdsleep 1/bin/ExHttpd/bin/busybox ntpd

Networking

Connects to many ports of the same IP (likely port scanning)

Source: global traffic

TCP traffic: 154.213.187.125 ports 0,1,2,3,51320,5

Source: global traffic

TCP traffic: 192.168.2.15:46254 -> 154.213.187.125:51320

Source: unknown	TCP traffic detected without corresponding DNS query: 154.213.187.125
Source: unknown	TCP traffic detected without corresponding DNS query: 154.213.187.125
Source: unknown	TCP traffic detected without corresponding DNS query: 154.213.187.125
Source: unknown	TCP traffic detected without corresponding DNS query: 154.213.187.125
Source: unknown	TCP traffic detected without corresponding DNS query: 154.213.187.125
Source: unknown	TCP traffic detected without corresponding DNS query: 154.213.187.125
Source: unknown	TCP traffic detected without corresponding DNS query: 154.213.187.125
Source: unknown	TCP traffic detected without corresponding DNS query: 154.213.187.125
Source: unknown	TCP traffic detected without corresponding DNS query: 154.213.187.125
Source: unknown	TCP traffic detected without corresponding DNS query: 154.213.187.125
Source: unknown	TCP traffic detected without corresponding DNS query: 154.213.187.125
Source: unknown	TCP traffic detected without corresponding DNS query: 154.213.187.125
Source: unknown	TCP traffic detected without corresponding DNS query: 154.213.187.125
Source: unknown	TCP traffic detected without corresponding DNS query: 154.213.187.125
Source: unknown	TCP traffic detected without corresponding DNS query: 154.213.187.125
Source: unknown	TCP traffic detected without corresponding DNS query: 154.213.187.125
Source: unknown	TCP traffic detected without corresponding DNS query: 154.213.187.125
Source: unknown	TCP traffic detected without corresponding DNS query: 154.213.187.125

System Summary

Malicious sample detected (through community Yara rule)

Source: gx86.elf, type: SAMPLE	Matched rule: Linux_Trojan_Mirai_b14f4c5d Author: unknown
Source: gx86.elf, type: SAMPLE	Matched rule: Linux_Trojan_Mirai_88de437f Author: unknown
Source: gx86.elf, type: SAMPLE	Matched rule: Linux_Trojan_Mirai_ae9d0fa6 Author: unknown
Source: gx86.elf, type: SAMPLE	Matched rule: Linux_Trojan_Mirai_389ee3e9 Author: unknown
Source: gx86.elf, type: SAMPLE	Matched rule: Linux_Trojan_Mirai_cc93863b Author: unknown
Source: gx86.elf, type: SAMPLE	Matched rule: Linux_Trojan_Mirai_8aa7b5d3 Author: unknown
Source: 5532.1.0000000008048000.0000000008054000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Trojan_Mirai_b14f4c5d Author: unknown
Source: 5532.1.0000000008048000.0000000008054000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Trojan_Mirai_88de437f Author: unknown
Source: 5532.1.0000000008048000.0000000008054000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Trojan_Mirai_ae9d0fa6 Author: unknown
Source: 5532.1.0000000008048000.0000000008054000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Trojan_Mirai_389ee3e9 Author: unknown
Source: 5532.1.0000000008048000.0000000008054000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Trojan_Mirai_cc93863b Author: unknown
Source: 5532.1.0000000008048000.0000000008054000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Trojan_Mirai_8aa7b5d3 Author: unknown

Source: Initial sample	String containing 'busybox' found: /bin/busybox ntpd
Source: Initial sample	String containing 'busybox' found: /proc/proc/%s/cmdlinewgetcurltftpftpget[locker] Failed to kill process. /sbin/procd/sbin/klogdsleep 1/bin/ExHttpd/bin/busybox ntpd

Source: ELF static info symbol of initial sample

.symtab present: no

Source: gx86.elf, type: SAMPLE	Matched rule: Linux_Trojan_Mirai_b14f4c5d os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = a70d052918dd2fbc66db241da6438015130f0fb6929229bfe573546fe98da817, id = b14f4c5d-054f-46e6-9fa8-3588f1ef68b7, last_modified = 2021-09-16
Source: gx86.elf, type: SAMPLE	Matched rule: Linux_Trojan_Mirai_88de437f reference_sample = 8dc745a6de6f319cd6021c3e147597315cc1be02099d78fc8aae94de0e1e4bc6, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = c19eb595c2b444a809bef8500c20342c9f46694d3018e268833f9b884133a1ea, id = 88de437f-9c98-4e1d-96c0-7b433c99886a, last_modified = 2021-09-16
Source: gx86.elf, type: SAMPLE	Matched rule: Linux_Trojan_Mirai_ae9d0fa6 os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = ca2bf2771844bec95563800d19a35dd230413f8eff0bd44c8ab0b4c596f81bfc, id = ae9d0fa6-be06-4656-9b13-8edfc0ee9e71, last_modified = 2021-09-16
Source: gx86.elf, type: SAMPLE	Matched rule: Linux_Trojan_Mirai_389ee3e9 reference_sample = 5217f2a46cb93946e04ab00e385ad0fe0a2844b6ea04ef75ee9187aac3f3d52f, os = linux, severity = x86, creation_date = 2022-01-05, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = 59f2359dc1f41d385d639d157b4cd9fc73d76d8abb7cc09d47632bb4c9a39e6e, id = 389ee3e9-70c1-4c93-a999-292cf6ff1652, last_modified = 2022-01-26
Source: gx86.elf, type: SAMPLE	Matched rule: Linux_Trojan_Mirai_cc93863b reference_sample = 5217f2a46cb93946e04ab00e385ad0fe0a2844b6ea04ef75ee9187aac3f3d52f, os = linux, severity = x86, creation_date = 2022-01-05, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = f3ecd30f0b511a8e92cfa642409d559e7612c3f57a1659ca46c77aca809a00ac, id = cc93863b-1050-40ba-9d02-5ec9ce6a3a28, last_modified = 2022-01-26
Source: gx86.elf, type: SAMPLE	Matched rule: Linux_Trojan_Mirai_8aa7b5d3 reference_sample = 5217f2a46cb93946e04ab00e385ad0fe0a2844b6ea04ef75ee9187aac3f3d52f, os = linux, severity = x86, creation_date = 2022-01-05, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = 02a2c18c362df4b1fceb33f3b605586514ba9a00c7afedf71c04fa54d8146444, id = 8aa7b5d3-e1eb-4b55-b36a-0d3a242c06e9, last_modified = 2022-01-26
Source: 5532.1.0000000008048000.0000000008054000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Trojan_Mirai_b14f4c5d os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = a70d052918dd2fbc66db241da6438015130f0fb6929229bfe573546fe98da817, id = b14f4c5d-054f-46e6-9fa8-3588f1ef68b7, last_modified = 2021-09-16
Source: 5532.1.0000000008048000.0000000008054000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Trojan_Mirai_88de437f reference_sample = 8dc745a6de6f319cd6021c3e147597315cc1be02099d78fc8aae94de0e1e4bc6, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = c19eb595c2b444a809bef8500c20342c9f46694d3018e268833f9b884133a1ea, id = 88de437f-9c98-4e1d-96c0-7b433c99886a, last_modified = 2021-09-16
Source: 5532.1.0000000008048000.0000000008054000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Trojan_Mirai_ae9d0fa6 os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = ca2bf2771844bec95563800d19a35dd230413f8eff0bd44c8ab0b4c596f81bfc, id = ae9d0fa6-be06-4656-9b13-8edfc0ee9e71, last_modified = 2021-09-16
Source: 5532.1.0000000008048000.0000000008054000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Trojan_Mirai_389ee3e9 reference_sample = 5217f2a46cb93946e04ab00e385ad0fe0a2844b6ea04ef75ee9187aac3f3d52f, os = linux, severity = x86, creation_date = 2022-01-05, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = 59f2359dc1f41d385d639d157b4cd9fc73d76d8abb7cc09d47632bb4c9a39e6e, id = 389ee3e9-70c1-4c93-a999-292cf6ff1652, last_modified = 2022-01-26
Source: 5532.1.0000000008048000.0000000008054000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Trojan_Mirai_cc93863b reference_sample = 5217f2a46cb93946e04ab00e385ad0fe0a2844b6ea04ef75ee9187aac3f3d52f, os = linux, severity = x86, creation_date = 2022-01-05, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = f3ecd30f0b511a8e92cfa642409d559e7612c3f57a1659ca46c77aca809a00ac, id = cc93863b-1050-40ba-9d02-5ec9ce6a3a28, last_modified = 2022-01-26
Source: 5532.1.0000000008048000.0000000008054000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Trojan_Mirai_8aa7b5d3 reference_sample = 5217f2a46cb93946e04ab00e385ad0fe0a2844b6ea04ef75ee9187aac3f3d52f, os = linux, severity = x86, creation_date = 2022-01-05, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = 02a2c18c362df4b1fceb33f3b605586514ba9a00c7afedf71c04fa54d8146444, id = 8aa7b5d3-e1eb-4b55-b36a-0d3a242c06e9, last_modified = 2022-01-26

Source: classification engine

Classification label: mal64.troj.linELF@0/0@0/0

Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/231/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/110/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/111/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/233/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/112/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/113/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/235/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/114/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/115/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/1333/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/116/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/1695/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/117/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/118/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/119/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/911/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/914/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/917/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/1591/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/120/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/121/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/243/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/122/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/123/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/124/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/1588/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/125/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/246/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/126/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/127/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/1585/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/128/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/800/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/129/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/802/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/803/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/804/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/3407/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/1484/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/490/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/250/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/130/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/251/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/131/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/132/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/133/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/1479/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/378/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/258/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/259/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/931/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/1595/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/812/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/933/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/3419/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/3310/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/260/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/261/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/262/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/142/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/263/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/264/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/265/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/145/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/266/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/267/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/268/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/3303/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/269/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/1486/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/1806/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/3440/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/270/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/271/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/272/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/273/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/274/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/275/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/276/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/277/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/3316/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/278/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/279/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/158/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/1498/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/1497/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/1496/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/5510/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/3332/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/3210/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/280/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/281/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/282/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/283/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/284/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/285/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/286/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/1701/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/287/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/288/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/289/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/3205/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/3201/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/723/cmdline	Jump to behavior
Source: /tmp/gx86.elf (PID: 5534)	File opened: /proc/724/cmdline	Jump to behavior

Mitre Att&ck Matrix

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	1 Scripting	Valid Accounts	Windows Management Instrumentation	1 Scripting	Path Interception	Direct Volume Access	1 OS Credential Dumping	System Service Discovery	Remote Services	Data from Local System	1 Non-Standard Port	Exfiltration Over Other Network Medium	Abuse Accessibility Features

Malware Configuration

⊘No configs have been found

Behavior Graph

Hide Legend

Legend:

Process
Signature
Created File
DNS/IP Info
Is Dropped
Number of created Files
Is malicious
Internet

Screenshots

Thumbnails

This section contains all screenshots as thumbnails, including those not shown in the slideshow.

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

Source	Detection	Scanner	Label	Link
gx86.elf	29%	ReversingLabs	Linux.Backdoor.Mirai
gx86.elf	100%	Joe Sandbox ML

Dropped Files

⊘No Antivirus matches

Domains

⊘No Antivirus matches

URLs

⊘No Antivirus matches

Domains and IPs

Contacted Domains

⊘No contacted domains info

World Map of Contacted IPs

No. of IPs < 25%
25% < No. of IPs < 50%
50% < No. of IPs < 75%
75% < No. of IPs

Public IPs

IP	Domain	Country	Flag	ASN	ASN Name	Malicious
154.213.187.125	unknown	Seychelles		22769	DDOSING-BGP-NETWORKUS	true

Joe Sandbox View / Context

IPs

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link
154.213.187.125	mpsl.elf	Get hash	malicious	Unknown	Browse
	arm5.elf	Get hash	malicious	Unknown	Browse
	x86.elf	Get hash	malicious	Unknown	Browse
	mips.elf	Get hash	malicious	Unknown	Browse
	arm7.elf	Get hash	malicious	Mirai	Browse
	gmpsl.elf	Get hash	malicious	Unknown	Browse
	garm5.elf	Get hash	malicious	Unknown	Browse
	garm7.elf	Get hash	malicious	Mirai	Browse
	garm.elf	Get hash	malicious	Unknown	Browse
	gmips.elf	Get hash	malicious	Unknown	Browse

Domains

⊘No context

ASNs

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link	Context
DDOSING-BGP-NETWORKUS	camp.sh4.elf	Get hash	malicious	Mirai	Browse	154.213.187.11
	camp.spc.elf	Get hash	malicious	Mirai	Browse	154.213.187.11
	camp.x86.elf	Get hash	malicious	Mirai	Browse	154.213.187.11
	mpsl.elf	Get hash	malicious	Unknown	Browse	154.213.187.125
	arm5.elf	Get hash	malicious	Unknown	Browse	154.213.187.125
	x86.elf	Get hash	malicious	Unknown	Browse	154.213.187.125
	mips.elf	Get hash	malicious	Unknown	Browse	154.213.187.125
	arm7.elf	Get hash	malicious	Mirai	Browse	154.213.187.125
	arm7.elf	Get hash	malicious	Mirai, Moobot	Browse	154.213.187.118
	spc.elf	Get hash	malicious	Mirai, Moobot	Browse	154.213.187.118

JA3 Fingerprints

⊘No context

Dropped Files

⊘No context

Created / dropped Files

⊘No created / dropped files found

Static File Info

General

File type:	ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), statically linked, stripped
Entropy (8bit):	6.401537885418547
TrID:	ELF Executable and Linkable format (Linux) (4029/14) 50.16% ELF Executable and Linkable format (generic) (4004/1) 49.84%
File name:	gx86.elf
File size:	50'416 bytes
MD5:	9d169d17adcc02ada564bd1463dc2673
SHA1:	dbab5cd5c3dbc471530cdd0a65ef9893b8e9ce96
SHA256:	efdeb18055da1fd430c782c1578485e95a064fbedbbf82cb93bd7b58cb8cdeee
SHA512:	704e4a0b1d8f80afef14dce651c609ef6fe06716938434cf283fd0137eebf95f60dd69eb1026607a91c3b094786173c66dd0aa1d0bffdea9a63eaff6b3dfad79
SSDEEP:	768:Kny1FMFoK+ZodJQpQpdQMs/3ar4TvD/o3lo76yrbO9IR9ngImmy8a83s5qIq:Kny1FDKuodJQcqwObg1Wym7gDmc8c5q
TLSH:	E7336CC8B583D4F9EE5711B5227BE7339732E53A2024EF93D364E636EC53600961A29C
File Content Preview:	.ELF....................d...4...`.......4. ...(.....................\...\....................@...@.. ....h..........Q.td............................U..S.......w....h........[]...$.............U......= C...t..5....$@.....$@......u........t....h\;..........

Static ELF Info

ELF header
Class:	ELF32
Data:	2's complement, little endian
Version:	1 (current)
Machine:	Intel 80386
Version Number:	0x1
Type:	EXEC (Executable file)
OS/ABI:	UNIX - System V
ABI Version:	0
Entry Point Address:	0x8048164
Flags:	0x0
ELF Header Size:	52
Program Header Offset:	52
Program Header Size:	32
Number of Program Headers:	3
Section Header Offset:	50016
Section Header Size:	40
Number of Section Headers:	10
Header String Table Index:	9

Sections

Name	Type	Address	Offset	Size	EntSize	Flags	Flags Description	Align
	NULL	0x0	0x0	0x0	0x0	0x0		0
.init	PROGBITS	0x8048094	0x94	0x1c	0x0	0x6	AX	1
.text	PROGBITS	0x80480b0	0xb0	0xa116	0x0	0x6	AX	16
.fini	PROGBITS	0x80521c6	0xa1c6	0x17	0x0	0x6	AX	1
.rodata	PROGBITS	0x80521e0	0xa1e0	0x197c	0x0	0x2	A	32
.ctors	PROGBITS	0x8054000	0xc000	0x8	0x0	0x3	WA	4
.dtors	PROGBITS	0x8054008	0xc008	0x8	0x0	0x3	WA	4
.data	PROGBITS	0x8054020	0xc020	0x300	0x0	0x3	WA	32
.bss	NOBITS	0x8054320	0xc320	0x64e0	0x0	0x3	WA	32
.shstrtab	STRTAB	0x0	0xc320	0x3e	0x0	0x0		1

Program Segments

Type	Offset	Virtual Address	Physical Address	File Size	Memory Size	Entropy	Flags	Flags Description	Align	Section Mappings
LOAD	0x0	0x8048000	0x8048000	0xbb5c	0xbb5c	6.5313	0x5	R E	0x1000	.init .text .fini .rodata
LOAD	0xc000	0x8054000	0x8054000	0x320	0x6800	4.3831	0x6	RW	0x1000	.ctors .dtors .data .bss
GNU_STACK	0x0	0x0	0x0	0x0	0x0	0.0000	0x6	RW	0x4

Network Behavior

Network Port Distribution

TCP Packets

Timestamp	Source Port	Dest Port	Source IP	Dest IP
Jan 13, 2025 10:28:03.106507063 CET	46254	51320	192.168.2.15	154.213.187.125
Jan 13, 2025 10:28:03.111463070 CET	51320	46254	154.213.187.125	192.168.2.15
Jan 13, 2025 10:28:03.111581087 CET	46254	51320	192.168.2.15	154.213.187.125
Jan 13, 2025 10:28:03.111581087 CET	46254	51320	192.168.2.15	154.213.187.125
Jan 13, 2025 10:28:03.116421938 CET	51320	46254	154.213.187.125	192.168.2.15
Jan 13, 2025 10:28:03.116462946 CET	46254	51320	192.168.2.15	154.213.187.125
Jan 13, 2025 10:28:03.121260881 CET	51320	46254	154.213.187.125	192.168.2.15
Jan 13, 2025 10:28:03.714080095 CET	51320	46254	154.213.187.125	192.168.2.15
Jan 13, 2025 10:28:03.714205980 CET	46254	51320	192.168.2.15	154.213.187.125
Jan 13, 2025 10:28:03.719027996 CET	51320	46254	154.213.187.125	192.168.2.15
Jan 13, 2025 10:28:04.715990067 CET	46256	51320	192.168.2.15	154.213.187.125
Jan 13, 2025 10:28:04.720833063 CET	51320	46256	154.213.187.125	192.168.2.15
Jan 13, 2025 10:28:04.720921993 CET	46256	51320	192.168.2.15	154.213.187.125
Jan 13, 2025 10:28:04.721014977 CET	46256	51320	192.168.2.15	154.213.187.125
Jan 13, 2025 10:28:04.725871086 CET	51320	46256	154.213.187.125	192.168.2.15
Jan 13, 2025 10:28:04.725929976 CET	46256	51320	192.168.2.15	154.213.187.125
Jan 13, 2025 10:28:04.730813980 CET	51320	46256	154.213.187.125	192.168.2.15
Jan 13, 2025 10:28:05.331829071 CET	51320	46256	154.213.187.125	192.168.2.15
Jan 13, 2025 10:28:05.332056999 CET	46256	51320	192.168.2.15	154.213.187.125
Jan 13, 2025 10:28:05.336880922 CET	51320	46256	154.213.187.125	192.168.2.15
Jan 13, 2025 10:28:06.364998102 CET	46258	51320	192.168.2.15	154.213.187.125
Jan 13, 2025 10:28:06.369915009 CET	51320	46258	154.213.187.125	192.168.2.15
Jan 13, 2025 10:28:06.370027065 CET	46258	51320	192.168.2.15	154.213.187.125
Jan 13, 2025 10:28:06.370027065 CET	46258	51320	192.168.2.15	154.213.187.125
Jan 13, 2025 10:28:06.374819994 CET	51320	46258	154.213.187.125	192.168.2.15
Jan 13, 2025 10:28:06.374906063 CET	46258	51320	192.168.2.15	154.213.187.125
Jan 13, 2025 10:28:06.379743099 CET	51320	46258	154.213.187.125	192.168.2.15
Jan 13, 2025 10:28:16.378731966 CET	46258	51320	192.168.2.15	154.213.187.125
Jan 13, 2025 10:28:16.383476973 CET	51320	46258	154.213.187.125	192.168.2.15
Jan 13, 2025 10:28:16.549843073 CET	51320	46258	154.213.187.125	192.168.2.15
Jan 13, 2025 10:28:16.549949884 CET	46258	51320	192.168.2.15	154.213.187.125
Jan 13, 2025 10:29:16.603152990 CET	46258	51320	192.168.2.15	154.213.187.125
Jan 13, 2025 10:29:16.608223915 CET	51320	46258	154.213.187.125	192.168.2.15
Jan 13, 2025 10:29:16.774600029 CET	51320	46258	154.213.187.125	192.168.2.15
Jan 13, 2025 10:29:16.774720907 CET	46258	51320	192.168.2.15	154.213.187.125

System Behavior

Analysis Process: gx86.elf PID: 5532, Parent PID: 5449

General

Start time (UTC):	09:28:02
Start date (UTC):	13/01/2025
Path:	/tmp/gx86.elf
Arguments:	/tmp/gx86.elf
File size:	50416 bytes
MD5 hash:	9d169d17adcc02ada564bd1463dc2673

Chronological Activities

Analysis Process: gx86.elf PID: 5533, Parent PID: 5532

General

Start time (UTC):	09:28:02
Start date (UTC):	13/01/2025
Path:	/tmp/gx86.elf
Arguments:	-
File size:	50416 bytes
MD5 hash:	9d169d17adcc02ada564bd1463dc2673

Chronological Activities

Analysis Process: gx86.elf PID: 5534, Parent PID: 5533

General

Start time (UTC):	09:28:02
Start date (UTC):	13/01/2025
Path:	/tmp/gx86.elf
Arguments:	-
File size:	50416 bytes
MD5 hash:	9d169d17adcc02ada564bd1463dc2673

Description:	This technique has been deprecated. Please use Command and Scripting Interpreter where appropriate.
Tactics:	Defense Evasion, Execution
Data Sources:
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may attempt to dump credentials to obtain account login and credential material, normally in the form of a hash or a clear text password, from the operating system and software. Credentials can then be used to perform Lateral Movement and access restricted information.
Tactics:	Credential Access
Data Sources:	Active Directory: Active Directory Object Access, Command: Command Execution, File: File Access, Network Traffic: Network Traffic Content, Network Traffic: Network Traffic Flow, Process: OS API Execution, Process: Process Access, Process: Process Creation, Windows Registry: Windows Registry Key Access
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may communicate using a protocol and port pairing that are typically not associated. For example, HTTPS over port 8088or port 587as opposed to the traditional port 443. Adversaries may make changes to the standard port used by a protocol to bypass filtering or muddle analysis/parsing of network data.
Tactics:	Command and Control
Data Sources:	Network Traffic: Network Traffic Content, Network Traffic: Network Traffic Flow
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Behavior Section

Behavior Chronological

Disassembly

Uncategorized

Graph

Loading Joe Sandbox Report ...

Warning!

Linux Analysis Report gx86.elf

Overview

General Information

Detection

Signatures

Classification

General Information

Runtime Messages

Process Tree

Yara Signatures

Initial Sample

Memory Dumps

Suricata Signatures

Joe Sandbox Signatures

AV Detection

Spreading

Networking

System Summary

Persistence and Installation Behavior

Mitre Att&ck Matrix

Malware Configuration

Behavior Graph

Screenshots

Thumbnails

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

Dropped Files

Domains

URLs

Domains and IPs

Contacted Domains

World Map of Contacted IPs

Public IPs

Joe Sandbox View / Context

IPs

Domains

ASNs

JA3 Fingerprints

Dropped Files

Created / dropped Files

Static File Info

General

Static ELF Info

ELF header

Sections

Program Segments

Network Behavior

Network Port Distribution

TCP Packets

System Behavior

Analysis Process: gx86.elf PID: 5532, Parent PID: 5449

General

Chronological Activities

Analysis Process: gx86.elf PID: 5533, Parent PID: 5532

General

Chronological Activities

Analysis Process: gx86.elf PID: 5534, Parent PID: 5533

General

Chronological Activities

Linux Analysis Report
gx86.elf