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Linux Analysis Report
criptonize.sh4.elf

Overview

General Information

Sample name:	criptonize.sh4.elf
Analysis ID:	1500278
MD5:	8a29c9f9c8d80684aac29a72ad1506f4
SHA1:	6177bcf50dec851ff30f9cbafb6edfcdfdac76b6
SHA256:	3282bc3a69c9be6bc5c74d2748f391023f6199bb01c9f1a6e6b293d769522947
Tags:	elf

Detection

Score:	1
Range:	0 - 100
Whitelisted:	false

Signatures

Sample has stripped symbol table

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

Classification

General Information

Joe Sandbox version:	40.0.0 Tourmaline
Analysis ID:	1500278
Start date and time:	2024-08-28 07:21:13 +02:00
Joe Sandbox product:	CloudBasic
Overall analysis duration:	0h 4m 15s
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:	criptonize.sh4.elf
Detection:	CLEAN
Classification:	clean1.linELF@0/0@0/0

Runtime Messages

Command:	/tmp/criptonize.sh4.elf
PID:	5523
Exit Code:	0
Exit Code Info:
Killed:	False
Standard Output:
Standard Error:

Process Tree

system is lnxubuntu20

criptonize.sh4.elf (PID: 5523, Parent: 5448, MD5: 8943e5f8f8c280467b4472c15ae93ba9) Arguments: /tmp/criptonize.sh4.elf

cleanup

Yara Signatures

⊘No yara matches

Suricata Signatures

⊘No Suricata rule has matched

Joe Sandbox Signatures

Click to jump to signature section

Show All Signature Results

There are no malicious signatures, click here to show all signatures.

Source: ELF static info symbol of initial sample

.symtab present: no

Source: classification engine

Classification label: clean1.linELF@0/0@0/0

Source: /tmp/criptonize.sh4.elf (PID: 5523)

Queries kernel information via 'uname':

Jump to behavior

Source: criptonize.sh4.elf, 5523.1.00007ffee4830000.00007ffee4851000.rw-.sdmp	Binary or memory string: /usr/bin/qemu-sh4
Source: criptonize.sh4.elf, 5523.1.0000558a31fcd000.0000558a32030000.rw-.sdmp	Binary or memory string: U5!/etc/qemu-binfmt/sh4
Source: criptonize.sh4.elf, 5523.1.0000558a31fcd000.0000558a32030000.rw-.sdmp	Binary or memory string: /etc/qemu-binfmt/sh4
Source: criptonize.sh4.elf, 5523.1.00007ffee4830000.00007ffee4851000.rw-.sdmp	Binary or memory string: x86_64/usr/bin/qemu-sh4/tmp/criptonize.sh4.elfSUDO_USER=saturninoPATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/binDISPLAY=:1.0XAUTHORITY=/run/user/1000/gdm/XauthoritySUDO_UID=1000TERM=xterm-256colorCOLORTERM=truecolorLOGNAME=rootUSER=rootLANG=en_US.UTF-8SUDO_COMMAND=/bin/bashHOME=/rootMAIL=/var/mail/rootSUDO_GID=1000SHELL=/bin/bash/tmp/criptonize.sh4.elf

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	11 Security Software Discovery	Remote Services	Data from Local System	Data Obfuscation	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

⊘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

World Map of Contacted IPs

⊘No contacted IP infos

Joe Sandbox View / Context

IPs

⊘No context

Domains

⊘No context

ASNs

⊘No context

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, Renesas SH, version 1 (SYSV), statically linked, stripped
Entropy (8bit):	6.25880563889621
TrID:	ELF Executable and Linkable format (generic) (4004/1) 100.00%
File name:	criptonize.sh4.elf
File size:	116'852 bytes
MD5:	8a29c9f9c8d80684aac29a72ad1506f4
SHA1:	6177bcf50dec851ff30f9cbafb6edfcdfdac76b6
SHA256:	3282bc3a69c9be6bc5c74d2748f391023f6199bb01c9f1a6e6b293d769522947
SHA512:	4b9396f9856d4e3e963c4da1f5500049f4b351abed378287a7fff52def746eeee52de95289d6cc79a88a7753e6a769523ae7ebb4bcddde657698ba42f462d3c8
SSDEEP:	1536:zz/iPw4rW0s6+sKY84i5vvogHHwItR26Bs3nmUSTL3xwzSScfsCu:zzew4r9+sTk5vowaCs3nwzxOdcfzu
TLSH:	51B35AB3D8296FA8D914D8B4B4B48FB51763690841471FB96AABC3785083E8CF6407F9
File Content Preview:	.ELF.....................@.4...........4. ...(...............@...@..~...~....................B...B.DF..............Q.td............................././"O.n........#.@........#.*@.^...o&O.n...l..............................././.../.a"O.!...n...a.b("...q.

Static ELF Info

ELF header
Class:	ELF32
Data:	2's complement, little endian
Version:	1 (current)
Machine:	<unknown>
Version Number:	0x1
Type:	EXEC (Executable file)
OS/ABI:	UNIX - System V
ABI Version:	0
Entry Point Address:	0x4001a0
Flags:	0x9
ELF Header Size:	52
Program Header Offset:	52
Program Header Size:	32
Number of Program Headers:	3
Section Header Offset:	116372
Section Header Size:	40
Number of Section Headers:	12
Header String Table Index:	11

Sections

Name	Type	Address	Offset	Size	EntSize	Flags	Flags Description	Align
	NULL	0x0	0x0	0x0	0x0	0x0		0
.init	PROGBITS	0x400094	0x94	0x30	0x0	0x6	AX	4
.text	PROGBITS	0x4000e0	0xe0	0x15f00	0x0	0x6	AX	32
.fini	PROGBITS	0x415fe0	0x15fe0	0x24	0x0	0x6	AX	4
.rodata	PROGBITS	0x416004	0x16004	0x1ea8	0x0	0x2	A	4
.eh_frame	PROGBITS	0x428000	0x18000	0x4	0x0	0x3	WA	4
.ctors	PROGBITS	0x428004	0x18004	0xc	0x0	0x3	WA	4
.dtors	PROGBITS	0x428010	0x18010	0x8	0x0	0x3	WA	4
.data	PROGBITS	0x428020	0x18020	0x4614	0x0	0x3	WA	32
.got	PROGBITS	0x42c634	0x1c634	0x10	0x4	0x3	WA	4
.bss	NOBITS	0x42c644	0x1c644	0x47b0	0x0	0x3	WA	4
.shstrtab	STRTAB	0x0	0x1c644	0x4d	0x0	0x0		1

Program Segments

Type	Offset	Virtual Address	Physical Address	File Size	Memory Size	Entropy	Flags	Flags Description	Align	Section Mappings
LOAD	0x0	0x400000	0x400000	0x17eac	0x17eac	6.9359	0x5	R E	0x10000	.init .text .fini .rodata
LOAD	0x18000	0x428000	0x428000	0x4644	0x8df4	0.3057	0x6	RW	0x10000	.eh_frame .ctors .dtors .data .got .bss
GNU_STACK	0x0	0x0	0x0	0x0	0x0	0.0000	0x7	RWE	0x4

Network Behavior

⊘No network behavior found

System Behavior

Analysis Process: criptonize.sh4.elf PID: 5523, Parent PID: 5448

General

Start time (UTC):	05:21:53
Start date (UTC):	28/08/2024
Path:	/tmp/criptonize.sh4.elf
Arguments:	/tmp/criptonize.sh4.elf
File size:	4139976 bytes
MD5 hash:	8943e5f8f8c280467b4472c15ae93ba9

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

Behavior Section

Behavior Chronological

Disassembly

Uncategorized

Graph

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Linux Analysis Report criptonize.sh4.elf

Overview

General Information

Detection

Signatures

Classification

General Information

Runtime Messages

Process Tree

Yara Signatures

Suricata Signatures

Joe Sandbox Signatures

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

World Map of Contacted 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

System Behavior

Analysis Process: criptonize.sh4.elf PID: 5523, Parent PID: 5448

General

Chronological Activities

Linux Analysis Report
criptonize.sh4.elf