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Linux Analysis Report
xmrig.elf

Overview

General Information

Sample name:	xmrig.elf
Analysis ID:	1572094
MD5:	fdfbcb9a9c9050bcda4f4ef0ce45361f
SHA1:	ddbbbd8312c93521ec5cc6c556b6f7b0e248c80f
SHA256:	a019aabeaea23c190bde41a9ffde8ac03140a7a8ed972993aa7821009d3d064e
Tags:	elfuser-abuse_ch
Infos:
Errors No process behavior to analyse as no analysis process or sample was found

Detection

Score:	48
Range:	0 - 100
Whitelisted:	false

Signatures

Malicious sample detected (through community Yara rule)

Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)

Yara signature match

Classification

General Information

Joe Sandbox version:	41.0.0 Charoite
Analysis ID:	1572094
Start date and time:	2024-12-10 05:32:05 +01:00
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:	xmrig.elf
Detection:	MAL
Classification:	mal48.linELF@0/0@0/0

Errors

No process behavior to analyse as no analysis process or sample was found

Runtime Messages

Command:	/tmp/xmrig.elf
PID:	6239
Exit Code:	139
Exit Code Info:	SIGSEGV (11) Segmentation fault invalid memory reference
Killed:	False
Standard Output:
Standard Error:

Yara Signatures

Initial Sample

Source	Rule	Description	Author	Strings
xmrig.elf	Linux_Trojan_Pornoasset_927f314f	unknown	unknown	0x2099d8:$a: C3 D3 CB D3 C3 48 31 C3 48 0F AF F0 48 0F AF F0 48 0F AF F0 48

Joe Sandbox Signatures

Click to jump to signature section

Show All Signature Results

Source: global traffic	TCP traffic: 192.168.2.23:43928 -> 91.189.91.42:443
Source: global traffic	TCP traffic: 192.168.2.23:42836 -> 91.189.91.43:443
Source: global traffic	TCP traffic: 192.168.2.23:42516 -> 109.202.202.202:80

Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknown	TCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknown	TCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.42

Source: unknown	Network traffic detected: HTTP traffic on port 43928 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 42836 -> 443

System Summary

Malicious sample detected (through community Yara rule)

Source: xmrig.elf, type: SAMPLE

Matched rule: Linux_Trojan_Pornoasset_927f314f Author: unknown

Source: xmrig.elf, type: SAMPLE

Matched rule: Linux_Trojan_Pornoasset_927f314f reference_sample = d653598df857535c354ba21d96358d4767d6ada137ee32ce5eb4972363b35f93, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Pornoasset, fingerprint = 7214d3132fc606482e3f6236d291082a3abc0359c80255048045dba6e60ec7bf, id = 927f314f-2cbb-4f87-b75c-9aa5ef758599, last_modified = 2021-09-16

Source: classification engine

Classification label: mal48.linELF@0/0@0/0

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	Acquire Infrastructure	Valid Accounts	Windows Management Instrumentation	Path Interception	Path Interception	Direct Volume Access	OS Credential Dumping	System Service 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

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

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

Source	Detection	Scanner	Label	Link
xmrig.elf	8%	ReversingLabs	Linux.PUA.Generic

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	ASN	ASN Name	Malicious
109.202.202.202	unknown	Switzerland	13030	INIT7CH	false
91.189.91.43	unknown	United Kingdom	41231	CANONICAL-ASGB	false
91.189.91.42	unknown	United Kingdom	41231	CANONICAL-ASGB	false

Joe Sandbox View / Context

IPs

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link	Context
109.202.202.202	kpLwzBouH4.elf	Get hash	malicious	Unknown	Browse	ch.archive.ubuntu.com/ubuntu/pool/main/f/firefox/firefox_92.0%2bbuild3-0ubuntu0.20.04.1_amd64.deb
91.189.91.43	la.bot.arm.elf	Get hash	malicious	Mirai	Browse
	.i.elf	Get hash	malicious	Unknown	Browse
	.i.elf	Get hash	malicious	Unknown	Browse
	la.bot.sh4.elf	Get hash	malicious	Mirai	Browse
	la.bot.mipsel.elf	Get hash	malicious	Mirai	Browse
	la.bot.arm6.elf	Get hash	malicious	Mirai	Browse
	la.bot.arm7.elf	Get hash	malicious	Mirai	Browse
	la.bot.mips.elf	Get hash	malicious	Mirai	Browse
	boatnet.x86.elf	Get hash	malicious	Mirai	Browse
	boatnet.arm.elf	Get hash	malicious	Mirai	Browse
91.189.91.42	la.bot.arm.elf	Get hash	malicious	Mirai	Browse
	.i.elf	Get hash	malicious	Unknown	Browse
	.i.elf	Get hash	malicious	Unknown	Browse
	la.bot.sh4.elf	Get hash	malicious	Mirai	Browse
	la.bot.mipsel.elf	Get hash	malicious	Mirai	Browse
	la.bot.arm6.elf	Get hash	malicious	Mirai	Browse
	la.bot.arm7.elf	Get hash	malicious	Mirai	Browse
	la.bot.mips.elf	Get hash	malicious	Mirai	Browse
	boatnet.x86.elf	Get hash	malicious	Mirai	Browse
	boatnet.arm.elf	Get hash	malicious	Mirai	Browse

Domains

⊘No context

ASNs

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link	Context
CANONICAL-ASGB	la.bot.arm.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	.i.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	.i.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	la.bot.sh4.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	la.bot.mipsel.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	la.bot.arm6.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	la.bot.arm7.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	la.bot.mips.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	boatnet.x86.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	boatnet.arm.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
CANONICAL-ASGB	la.bot.arm.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	.i.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	.i.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	la.bot.sh4.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	la.bot.mipsel.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	la.bot.arm6.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	la.bot.arm7.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	la.bot.mips.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	boatnet.x86.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	boatnet.arm.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
INIT7CH	la.bot.arm.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	.i.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	.i.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	la.bot.sh4.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	la.bot.mipsel.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	la.bot.arm6.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	la.bot.arm7.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	la.bot.mips.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	boatnet.x86.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	boatnet.arm.elf	Get hash	malicious	Mirai	Browse	109.202.202.202

JA3 Fingerprints

⊘No context

Dropped Files

⊘No context

Created / dropped Files

⊘No created / dropped files found

Static File Info

General

File type:	ELF 64-bit LSB executable, x86-64, version 1 (SYSV), statically linked, missing section headers at 8297648
Entropy (8bit):	6.408257414269252
TrID:	ELF Executable and Linkable format (Linux) (4029/14) 49.77% ELF Executable and Linkable format (generic) (4004/1) 49.46% Lumena CEL bitmap (63/63) 0.78%
File name:	xmrig.elf
File size:	4'984'168 bytes
MD5:	fdfbcb9a9c9050bcda4f4ef0ce45361f
SHA1:	ddbbbd8312c93521ec5cc6c556b6f7b0e248c80f
SHA256:	a019aabeaea23c190bde41a9ffde8ac03140a7a8ed972993aa7821009d3d064e
SHA512:	a1748dca32ba49a0346e0245442a44be2d580054552fd5516e1e695bdda0f75478c0f0011056a800c3e31bd1ae8a4447a3e032c261bb5683ace9e50b8d21fc5e
SSDEEP:	98304:yr6P2CZlp4ledj/mf7ukUzX093B9VK/OQGthOlgPEWi1MVNWoGt7rPAW3R1lrepf:bl4lcmDi1WIPFCJ
TLSH:	A5363A5BA5E320FCC6DAC074476FD623BA71B89942247EBF2188AE302F56E50671DF11
File Content Preview:	.ELF..............>.....S.@.....@.......p.~.........@.8...@.......................@.......@...............................................@.......@.......\.......\.......................\.....................................................`.w.....`......

Network Behavior

Network Port Distribution

TCP Packets

Timestamp	Source Port	Dest Port	Source IP	Dest IP
Dec 10, 2024 05:32:49.901637077 CET	43928	443	192.168.2.23	91.189.91.42
Dec 10, 2024 05:32:55.532913923 CET	42836	443	192.168.2.23	91.189.91.43
Dec 10, 2024 05:32:56.812689066 CET	42516	80	192.168.2.23	109.202.202.202
Dec 10, 2024 05:33:10.378822088 CET	43928	443	192.168.2.23	91.189.91.42
Dec 10, 2024 05:33:22.665247917 CET	42836	443	192.168.2.23	91.189.91.43
Dec 10, 2024 05:33:26.760665894 CET	42516	80	192.168.2.23	109.202.202.202
Dec 10, 2024 05:33:51.333199024 CET	43928	443	192.168.2.23	91.189.91.42

Description:	Adversaries may employ a known encryption algorithm to conceal command and control traffic rather than relying on any inherent protections provided by a communication protocol. Despite the use of a secure algorithm, these implementations may be vulnerable to reverse engineering if secret keys are encoded and/or generated within malware samples/configuration files.
Tactics:	Command and Control
Data Sources:	Network Traffic: Network Traffic Content
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may communicate using OSI application layer protocols to avoid detection/network filtering by blending in with existing traffic. Commands to the remote system, and often the results of those commands, will be embedded within the protocol traffic between the client and server.
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

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Linux Analysis Report xmrig.elf

Overview

General Information

Detection

Signatures

Classification

General Information

Errors

Runtime Messages

Yara Signatures

Initial Sample

Suricata Signatures

Joe Sandbox Signatures

Networking

System Summary

Mitre Att&ck Matrix

Malware Configuration

Behavior Graph

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

Network Behavior

Network Port Distribution

TCP Packets

System Behavior

Linux Analysis Report
xmrig.elf