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Linux Analysis Report
e6

Overview

General Information

Sample name:	e6
Analysis ID:	1430717
MD5:	8d7aee78e82865f035bc1bc34552cdbd
SHA1:	d59c885ba7deef2a3574c10526aa374f3712b28e
SHA256:	a1bc4dcc43c2a6f64c941c2af0c18299a1c44bb700e6f676cb675e38aeb77785
Infos:

Detection

Score:	22
Range:	0 - 100
Whitelisted:	false

Signatures

Found Tor onion address

Reads CPU information from /sys indicative of miner or evasive malware

Sample contains only a LOAD segment without any section mappings

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

Uses the "uname" system call to query kernel version information (possible evasion)

Classification

Analysis Advice

All HTTP servers contacted by the sample do not answer. The sample is likely an old dropper which does no longer work.

General Information

Joe Sandbox version:	40.0.0 Tourmaline
Analysis ID:	1430717
Start date and time:	2024-04-24 04:55:47 +02:00
Joe Sandbox product:	CloudBasic
Overall analysis duration:	0h 4m 29s
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)
Run name:	Potential for more IOCs and behavior
Analysis Mode:	default
Sample name:	e6
Detection:	SUS
Classification:	sus22.evad.lin@0/0@0/0

Runtime Messages

Command:	/tmp/e6
PID:	6223
Exit Code:	0
Exit Code Info:
Killed:	False
Standard Output:	Detected number of cpus = 2 No path to encrypt 10ms
Standard Error:

Process Tree

system is lnxubuntu20

e6 (PID: 6223, Parent: 6138, MD5: 8d7aee78e82865f035bc1bc34552cdbd) Arguments: /tmp/e6

cleanup

Yara Signatures

⊘No yara matches

Snort Signatures

⊘No Snort rule has matched

Joe Sandbox Signatures

Click to jump to signature section

Show All Signature Results

Source: /tmp/e6 (PID: 6223)

Reads CPU info from /sys: /sys/devices/system/cpu/online

Jump to behavior

Networking

Found Tor onion address

Source: e6, 6223.1.00000000006a7000.00000000006ae000.rw-.sdmp	String found in binary or memory: 4. As for your data, if we fail to agree, we will try to sell personal information/trade secrets/databases/source codes - generally speaking, everything that has a value on the darkmarket - to multiple threat actors at ones. Then all of this will be published in our blog - https://akiral2iz6a7qgd3ayp3l6yub7xx2uep76idk3u2kollpj5z3z636bad.onion.
Source: e6, 6223.1.00000000006a7000.00000000006ae000.rw-.sdmp	String found in binary or memory: 2. Paste this link - https://akiralkzxzq2dsrzsrvbr2xgbbu2wgsmxryd4csgfameg52n7efvr2id.onion.
Source: e6	String found in binary or memory: 4. As for your data, if we fail to agree, we will try to sell personal information/trade secrets/databases/source codes - generally speaking, everything that has a value on the darkmarket - to multiple threat actors at ones. Then all of this will be published in our blog - https://akiral2iz6a7qgd3ayp3l6yub7xx2uep76idk3u2kollpj5z3z636bad.onion.
Source: e6	String found in binary or memory: 2. Paste this link - https://akiralkzxzq2dsrzsrvbr2xgbbu2wgsmxryd4csgfameg52n7efvr2id.onion.

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: e6	String found in binary or memory: https://akiral2iz6a7qgd3ayp3l6yub7xx2uep76idk3u2kollpj5z3z636bad.onion.
Source: e6	String found in binary or memory: https://akiralkzxzq2dsrzsrvbr2xgbbu2wgsmxryd4csgfameg52n7efvr2id.onion.
Source: e6	String found in binary or memory: https://bugs.launchpad.net/ubuntu/
Source: e6	String found in binary or memory: https://gcc.gnu.org/bugsNSt7__cxx1115basic_stringbufIcSt11char_traitsIcESaIcEEE
Source: e6	String found in binary or memory: https://gcc.gnu.org/bugsNSt7__cxx1115basic_stringbufIcSt11char_traitsIcESaIcEEENSt7__cxx1119basic_is
Source: e6	String found in binary or memory: https://www.torproject.org/download/.

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

Source: LOAD without section mappings

Program segment: 0x400000

Source: classification engine

Classification label: sus22.evad.lin@0/0@0/0

Source: /tmp/e6 (PID: 6223)

Reads CPU info from /sys: /sys/devices/system/cpu/online

Jump to behavior

Source: /tmp/e6 (PID: 6223)

Queries kernel information via 'uname':

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	Acquire Infrastructure	Valid Accounts	Windows Management Instrumentation	Path Interception	Path Interception	Direct Volume Access	OS Credential Dumping	1 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	1 System Information Discovery	Remote Desktop Protocol	Data from Removable Media	1 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 Proxy	Automated Exfiltration	Data Encrypted for Impact

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

⊘No Antivirus matches

Dropped Files

⊘No Antivirus matches

Domains

⊘No Antivirus matches

URLs

⊘No Antivirus matches

Domains and IPs

Contacted Domains

⊘No contacted domains info

URLs from Memory and Binaries

Name	Source	Malicious	Reputation
https://www.torproject.org/download/.	e6	false	high
https://bugs.launchpad.net/ubuntu/	e6	false	high
https://akiral2iz6a7qgd3ayp3l6yub7xx2uep76idk3u2kollpj5z3z636bad.onion.	e6	true	unknown
https://gcc.gnu.org/bugsNSt7__cxx1115basic_stringbufIcSt11char_traitsIcESaIcEEENSt7__cxx1119basic_is	e6	false	high
https://gcc.gnu.org/bugsNSt7__cxx1115basic_stringbufIcSt11char_traitsIcESaIcEEE	e6	false	high
https://akiralkzxzq2dsrzsrvbr2xgbbu2wgsmxryd4csgfameg52n7efvr2id.onion.	e6	true	unknown

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
109.202.202.202	8awpc7GpMh.elf	Get hash	malicious	Unknown	Browse
	6WfrjCTjs8.elf	Get hash	malicious	Unknown	Browse
	cG1d8L6E2V.elf	Get hash	malicious	Unknown	Browse
	SecuriteInfo.com.Linux.Siggen.9999.14268.13066.elf	Get hash	malicious	Mirai	Browse
	nQ95n6pvWY.elf	Get hash	malicious	Mirai	Browse
	SecuriteInfo.com.Linux.Siggen.9999.3492.13032.elf	Get hash	malicious	Unknown	Browse
	quv5jvj4v0.elf	Get hash	malicious	Unknown	Browse
	2s4fTHXEwm.elf	Get hash	malicious	Unknown	Browse
	cqy0lIeLds.elf	Get hash	malicious	Unknown	Browse
	X0ckMzxoy9.elf	Get hash	malicious	Unknown	Browse
91.189.91.43	8awpc7GpMh.elf	Get hash	malicious	Unknown	Browse
	6WfrjCTjs8.elf	Get hash	malicious	Unknown	Browse
	cG1d8L6E2V.elf	Get hash	malicious	Unknown	Browse
	SecuriteInfo.com.Linux.Siggen.9999.14268.13066.elf	Get hash	malicious	Mirai	Browse
	nQ95n6pvWY.elf	Get hash	malicious	Mirai	Browse
	SecuriteInfo.com.Linux.Siggen.9999.3492.13032.elf	Get hash	malicious	Unknown	Browse
	quv5jvj4v0.elf	Get hash	malicious	Unknown	Browse
	2s4fTHXEwm.elf	Get hash	malicious	Unknown	Browse
	cqy0lIeLds.elf	Get hash	malicious	Unknown	Browse
	X0ckMzxoy9.elf	Get hash	malicious	Unknown	Browse
91.189.91.42	8awpc7GpMh.elf	Get hash	malicious	Unknown	Browse
	6WfrjCTjs8.elf	Get hash	malicious	Unknown	Browse
	cG1d8L6E2V.elf	Get hash	malicious	Unknown	Browse
	SecuriteInfo.com.Linux.Siggen.9999.14268.13066.elf	Get hash	malicious	Mirai	Browse
	nQ95n6pvWY.elf	Get hash	malicious	Mirai	Browse
	SecuriteInfo.com.Linux.Siggen.9999.3492.13032.elf	Get hash	malicious	Unknown	Browse
	quv5jvj4v0.elf	Get hash	malicious	Unknown	Browse
	2s4fTHXEwm.elf	Get hash	malicious	Unknown	Browse
	cqy0lIeLds.elf	Get hash	malicious	Unknown	Browse
	X0ckMzxoy9.elf	Get hash	malicious	Unknown	Browse

Domains

⊘No context

ASNs

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link	Context
CANONICAL-ASGB	8awpc7GpMh.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	6WfrjCTjs8.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	cG1d8L6E2V.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	SecuriteInfo.com.Linux.Siggen.9999.14268.13066.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	nQ95n6pvWY.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	SecuriteInfo.com.Linux.Siggen.9999.3492.13032.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	quv5jvj4v0.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	2s4fTHXEwm.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	cqy0lIeLds.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	X0ckMzxoy9.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
CANONICAL-ASGB	8awpc7GpMh.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	6WfrjCTjs8.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	cG1d8L6E2V.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	SecuriteInfo.com.Linux.Siggen.9999.14268.13066.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	nQ95n6pvWY.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	SecuriteInfo.com.Linux.Siggen.9999.3492.13032.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	quv5jvj4v0.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	2s4fTHXEwm.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	cqy0lIeLds.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	X0ckMzxoy9.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
INIT7CH	8awpc7GpMh.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	6WfrjCTjs8.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	cG1d8L6E2V.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	SecuriteInfo.com.Linux.Siggen.9999.14268.13066.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	nQ95n6pvWY.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	SecuriteInfo.com.Linux.Siggen.9999.3492.13032.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	quv5jvj4v0.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	2s4fTHXEwm.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	cqy0lIeLds.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	X0ckMzxoy9.elf	Get hash	malicious	Unknown	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 (GNU/Linux), BuildID[sha1]=ced0399c628f99c4d4044d9a6143bd4a9bad16a9, for GNU/Linux 3.2.0, statically linked, no section header
Entropy (8bit):	6.301329753072254
TrID:	ELF Executable and Linkable format (Linux) (4029/14) 50.16% ELF Executable and Linkable format (generic) (4004/1) 49.84%
File name:	e6
File size:	2'805'488 bytes
MD5:	8d7aee78e82865f035bc1bc34552cdbd
SHA1:	d59c885ba7deef2a3574c10526aa374f3712b28e
SHA256:	a1bc4dcc43c2a6f64c941c2af0c18299a1c44bb700e6f676cb675e38aeb77785
SHA512:	8d51a7be4b3c2193f9489dd50879ce340564434f96c071d7af4890aca9e2acea2cc1d162aff495678e82dffbb009630225f79bb0192c6c0f160e05f027d67c17
SSDEEP:	49152:/GCZiXJiHe6/EICNLx2DGzvvdl/vi527254XjqzqpEmBCpoESOS2Oo:K2YtdU4jBCpoOS7o
TLSH:	1BD54B2BF2F291ECD04BD5345A8FC6939C24B4F42231393B27969D351D62DA40BBDB62
File Content Preview:	.ELF..............>.....pk@.....@...................@.8...@.......................@.......@.....h.......h.................................@.......@......Q!......Q!......................p!......pa......pa......1.......1........................).......i....

Static ELF Info

ELF header
Class:	ELF64
Data:	2's complement, little endian
Version:	1 (current)
Machine:	Advanced Micro Devices X86-64
Version Number:	0x1
Type:	EXEC (Executable file)
OS/ABI:	UNIX - Linux
ABI Version:	0
Entry Point Address:	0x406b70
Flags:	0x0
ELF Header Size:	64
Program Header Offset:	64
Program Header Size:	56
Number of Program Headers:	10
Section Header Offset:	0
Section Header Size:	64
Number of Section Headers:	0
Header String Table Index:	0

Program Segments

Type	Offset	Virtual Address	Physical Address	File Size	Memory Size	Entropy	Flags	Flags Description	Align
LOAD	0x0	0x400000	0x400000	0x668	0x668	2.4426	0x4	R	0x1000
LOAD	0x1000	0x401000	0x401000	0x215105	0x215105	6.3118	0x5	R E	0x1000
LOAD	0x217000	0x617000	0x617000	0x831e9	0x831e9	5.6328	0x4	R	0x1000
LOAD	0x29a7f0	0x69b7f0	0x69b7f0	0x12700	0x1be40	3.7670	0x6	RW	0x1000
NOTE	0x270	0x400270	0x400270	0x20	0x20	1.8716	0x4	R	0x8
NOTE	0x290	0x400290	0x400290	0x44	0x44	3.3562	0x4	R	0x4
TLS	0x29a7f0	0x69b7f0	0x69b7f0	0x70	0xd0	1.9641	0x4	R	0x8
GNU_PROPERTY	0x270	0x400270	0x400270	0x20	0x20	1.8716	0x4	R	0x8
GNU_STACK	0x0	0x0	0x0	0x0	0x0	0.0000	0x6	RW	0x10
GNU_RELRO	0x29a7f0	0x69b7f0	0x69b7f0	0xb810	0xb810	2.9872	0x4	R	0x1

Network Behavior

Network Port Distribution

TCP Packets

Timestamp	Source Port	Dest Port	Source IP	Dest IP
Apr 24, 2024 04:56:27.219247103 CEST	43928	443	192.168.2.23	91.189.91.42
Apr 24, 2024 04:56:32.850423098 CEST	42836	443	192.168.2.23	91.189.91.43
Apr 24, 2024 04:56:34.386272907 CEST	42516	80	192.168.2.23	109.202.202.202
Apr 24, 2024 04:56:47.184348106 CEST	43928	443	192.168.2.23	91.189.91.42
Apr 24, 2024 04:56:59.470717907 CEST	42836	443	192.168.2.23	91.189.91.43
Apr 24, 2024 04:57:05.613893032 CEST	42516	80	192.168.2.23	109.202.202.202
Apr 24, 2024 04:57:28.138844013 CEST	43928	443	192.168.2.23	91.189.91.42

System Behavior

Analysis Process: e6 PID: 6223, Parent PID: 6138

General

Start time (UTC):	02:56:25
Start date (UTC):	24/04/2024
Path:	/tmp/e6
Arguments:	/tmp/e6
File size:	2805488 bytes
MD5 hash:	8d7aee78e82865f035bc1bc34552cdbd

Description:	Adversaries may attempt to get a listing of security software, configurations, defensive tools, and sensors that are installed on a system or in a cloud environment. This may include things such as firewall rules and anti-virus. Adversaries may use the information from Security Software Discovery during automated discovery to shape follow-on behaviors, including whether or not the adversary fully infects the target and/or attempts specific actions.
Tactics:	Discovery
Data Sources:	Command: Command Execution, Firewall: Firewall Enumeration, Firewall: Firewall Metadata, Process: OS API Execution, Process: Process Creation
Platforms:	Azure AD, Google Workspace, IaaS, Linux, macOS, Office 365, SaaS, Windows
Url:	Open detailed description by Mitre

Description:	An adversary may attempt to get detailed information about the operating system and hardware, including version, patches, hotfixes, service packs, and architecture. Adversaries may use the information from System Information Discovery during automated discovery to shape follow-on behaviors, including whether or not the adversary fully infects the target and/or attempts specific actions.
Tactics:	Discovery
Data Sources:	Command: Command Execution, Process: OS API Execution, Process: Process Creation
Platforms:	IaaS, Linux, macOS, Network, Windows
Url:	Open detailed description by Mitre

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

Description:	Adversaries may use a connection proxy to direct network traffic between systems or act as an intermediary for network communications to a command and control server to avoid direct connections to their infrastructure. Many tools exist that enable traffic redirection through proxies or port redirection, including HTRAN , ZXProxy, and ZXPortMap. Adversaries use these types of proxies to manage command and control communications, reduce the number of simultaneous outbound network connections, provide resiliency in the face of connection loss, or to ride over existing trusted communications paths between victims to avoid suspicion. Adversaries may chain together multiple proxies to further disguise the source of malicious traffic.
Tactics:	Command and Control
Data Sources:	Network Traffic: Network Connection Creation, Network Traffic: Network Traffic Content, Network Traffic: Network Traffic Flow
Platforms:	Linux, macOS, Network, Windows
Url:	Open detailed description by Mitre

Behavior Section

Behavior Chronological

Disassembly

Uncategorized

Graph

Loading Joe Sandbox Report ...

Warning!

Linux Analysis Report e6

Overview

General Information

Detection

Signatures

Classification

Analysis Advice

General Information

Runtime Messages

Process Tree

Yara Signatures

Snort Signatures

Joe Sandbox Signatures

Bitcoin Miner

Networking

System Summary

Malware Analysis System Evasion

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

URLs from Memory and Binaries

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

Program Segments

Network Behavior

Network Port Distribution

TCP Packets

System Behavior

Analysis Process: e6 PID: 6223, Parent PID: 6138

General

Chronological Activities

Linux Analysis Report
e6