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Linux Analysis Report
arm.elf

Overview

General Information

Sample name:	arm.elf
Analysis ID:	1582001
MD5:	8da3b411ee740ecd1d13b9bdfbb5fe07
SHA1:	7338cd9ba233dd30d1c679c345e4953db0475ab0
SHA256:	dc1d41079176822008d718981133565f4e90d0b590d4ec85b2b2f5e0de1e4e8b
Tags:	elfuser-abuse_ch
Infos:

Detection

Score:	48
Range:	0 - 100
Whitelisted:	false

Signatures

Multi AV Scanner detection for submitted file

Detected TCP or UDP traffic on non-standard ports

Executes commands using a shell command-line interpreter

Executes the "chmod" command used to modify permissions

Executes the "mkdir" command used to create folders

Sample has stripped symbol table

Sample tries to set the executable flag

Sets full permissions to files and/or directories

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

General Information

Joe Sandbox version:	41.0.0 Charoite
Analysis ID:	1582001
Start date and time:	2024-12-29 14:44:24 +01:00
Joe Sandbox product:	CloudBasic
Overall analysis duration:	0h 4m 43s
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:	arm.elf
Detection:	MAL
Classification:	mal48.linELF@0/0@0/0

Runtime Messages

Command:	/tmp/arm.elf
PID:	6251
Exit Code:	1
Exit Code Info:
Killed:	False
Standard Output:	GOLDFISHGANG
Standard Error:

Process Tree

system is lnxubuntu20

arm.elf (PID: 6251, Parent: 6179, MD5: 5ebfcae4fe2471fcc5695c2394773ff1) Arguments: /tmp/arm.elf

arm.elf New Fork (PID: 6254, Parent: 6251)

arm.elf New Fork (PID: 6260, Parent: 6254)

arm.elf New Fork (PID: 6262, Parent: 6260)

sh (PID: 6262, Parent: 6260, MD5: 1e6b1c887c59a315edb7eb9a315fc84c) Arguments: sh -c "mkdir /vbogdn38s8/ && >/vbogdn38s8/vbogdn38s8 && cd /vbogdn38s8/ >/dev/null"

sh New Fork (PID: 6264, Parent: 6262)

mkdir (PID: 6264, Parent: 6262, MD5: 088c9d1df5a28ed16c726eca15964cb7) Arguments: mkdir /vbogdn38s8/

arm.elf New Fork (PID: 6265, Parent: 6260)

sh (PID: 6265, Parent: 6260, MD5: 1e6b1c887c59a315edb7eb9a315fc84c) Arguments: sh -c "mv /tmp/arm.elf /vbogdn38s8/vbogdn38s8 && chmod 777 /vbogdn38s8/vbogdn38s8 >/dev/null"

sh New Fork (PID: 6267, Parent: 6265)

mv (PID: 6267, Parent: 6265, MD5: 504f0590fa482d4da070a702260e3716) Arguments: mv /tmp/arm.elf /vbogdn38s8/vbogdn38s8

sh New Fork (PID: 6270, Parent: 6265)

chmod (PID: 6270, Parent: 6265, MD5: 739483b900c045ae1374d6f53a86a279) Arguments: chmod 777 /vbogdn38s8/vbogdn38s8

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

AV Detection

Multi AV Scanner detection for submitted file

Source: arm.elf

ReversingLabs: Detection: 47%

Source: global traffic

TCP traffic: 192.168.2.23:59762 -> 52.150.237.12:29421

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: 52.150.237.12
Source: unknown	TCP traffic detected without corresponding DNS query: 52.150.237.12
Source: unknown	TCP traffic detected without corresponding DNS query: 52.150.237.12
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: 52.150.237.12
Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown	TCP traffic detected without corresponding DNS query: 52.150.237.12

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

Source: ELF static info symbol of initial sample

.symtab present: no

Source: classification engine

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

Source: /tmp/arm.elf (PID: 6262)	Shell command executed: sh -c "mkdir /vbogdn38s8/ && >/vbogdn38s8/vbogdn38s8 && cd /vbogdn38s8/ >/dev/null"			Jump to behavior
Source: /tmp/arm.elf (PID: 6265)	Shell command executed: sh -c "mv /tmp/arm.elf /vbogdn38s8/vbogdn38s8 && chmod 777 /vbogdn38s8/vbogdn38s8 >/dev/null"			Jump to behavior

Source: /bin/sh (PID: 6270)

Chmod executable: /usr/bin/chmod -> chmod 777 /vbogdn38s8/vbogdn38s8

Jump to behavior

Source: /bin/sh (PID: 6264)

Mkdir executable: /usr/bin/mkdir -> mkdir /vbogdn38s8/

Jump to behavior

Source: /usr/bin/chmod (PID: 6270)

File: /vbogdn38s8/vbogdn38s8 (bits: - usr: rwx grp: rwx all: rwx)

Jump to behavior

Source: /bin/sh (PID: 6270)

Chmod executable with 777: /usr/bin/chmod -> chmod 777 /vbogdn38s8/vbogdn38s8

Jump to behavior

Source: /tmp/arm.elf (PID: 6251)

Queries kernel information via 'uname':

Jump to behavior

Source: arm.elf, 6251.1.0000559930709000.0000559930837000.rw-.sdmp, arm.elf, 6254.1.0000559930709000.0000559930837000.rw-.sdmp	Binary or memory string: U!/etc/qemu-binfmt/arm
Source: arm.elf, 6251.1.00007ffcb6c4e000.00007ffcb6c6f000.rw-.sdmp, arm.elf, 6254.1.00007ffcb6c4e000.00007ffcb6c6f000.rw-.sdmp	Binary or memory string: KG)x86_64/usr/bin/qemu-arm/tmp/arm.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/arm.elf
Source: arm.elf, 6251.1.0000559930709000.0000559930837000.rw-.sdmp, arm.elf, 6254.1.0000559930709000.0000559930837000.rw-.sdmp	Binary or memory string: /etc/qemu-binfmt/arm
Source: arm.elf, 6251.1.00007ffcb6c4e000.00007ffcb6c6f000.rw-.sdmp, arm.elf, 6254.1.00007ffcb6c4e000.00007ffcb6c6f000.rw-.sdmp	Binary or memory string: /usr/bin/qemu-arm

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	2 File and Directory Permissions Modification	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 Non-Standard Port	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 Application Layer Protocol	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

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

Source	Detection	Scanner	Label	Link
arm.elf	47%	ReversingLabs	Linux.Trojan.Mirai

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
52.150.237.12	unknown	United States	8075	MICROSOFT-CORP-MSN-AS-BLOCKUS	false
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
52.150.237.12	x86_64.elf	Get hash	malicious	Unknown	Browse
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	mips64.elf	Get hash	malicious	Mirai	Browse
	arm6l.elf	Get hash	malicious	Gafgyt, Mirai	Browse
	mips.elf	Get hash	malicious	Mirai	Browse
	mipsel.elf	Get hash	malicious	Mirai	Browse
	bot.x86_64.elf	Get hash	malicious	Mirai, Gafgyt, Okiru	Browse
	armv4l.elf	Get hash	malicious	Gafgyt, Mirai	Browse
	m68k.elf	Get hash	malicious	Gafgyt, Mirai	Browse
	i586.elf	Get hash	malicious	Mirai	Browse
	powerpc.elf	Get hash	malicious	Mirai	Browse
	armv4l.elf	Get hash	malicious	Mirai	Browse
91.189.91.42	mips64.elf	Get hash	malicious	Mirai	Browse
	arm6l.elf	Get hash	malicious	Gafgyt, Mirai	Browse
	mips.elf	Get hash	malicious	Mirai	Browse
	mipsel.elf	Get hash	malicious	Mirai	Browse
	bot.x86_64.elf	Get hash	malicious	Mirai, Gafgyt, Okiru	Browse
	armv4l.elf	Get hash	malicious	Gafgyt, Mirai	Browse
	m68k.elf	Get hash	malicious	Gafgyt, Mirai	Browse
	i586.elf	Get hash	malicious	Mirai	Browse
	powerpc.elf	Get hash	malicious	Mirai	Browse
	armv4l.elf	Get hash	malicious	Mirai	Browse

Domains

⊘No context

ASNs

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link	Context
CANONICAL-ASGB	x86_64.elf	Get hash	malicious	Unknown	Browse	185.125.190.26
	bot.x86.elf	Get hash	malicious	Mirai, Okiru	Browse	185.125.190.26
	armv6l.elf	Get hash	malicious	Mirai	Browse	185.125.190.26
	mips64.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	arm6l.elf	Get hash	malicious	Gafgyt, Mirai	Browse	91.189.91.42
	mips.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	x86_64.elf	Get hash	malicious	Gafgyt, Mirai	Browse	185.125.190.26
	bot.arm.elf	Get hash	malicious	Mirai, Gafgyt, Okiru	Browse	185.125.190.26
	bot.arm5.elf	Get hash	malicious	Mirai, Gafgyt, Okiru	Browse	185.125.190.26
	mipsel.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
CANONICAL-ASGB	x86_64.elf	Get hash	malicious	Unknown	Browse	185.125.190.26
	bot.x86.elf	Get hash	malicious	Mirai, Okiru	Browse	185.125.190.26
	armv6l.elf	Get hash	malicious	Mirai	Browse	185.125.190.26
	mips64.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	arm6l.elf	Get hash	malicious	Gafgyt, Mirai	Browse	91.189.91.42
	mips.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	x86_64.elf	Get hash	malicious	Gafgyt, Mirai	Browse	185.125.190.26
	bot.arm.elf	Get hash	malicious	Mirai, Gafgyt, Okiru	Browse	185.125.190.26
	bot.arm5.elf	Get hash	malicious	Mirai, Gafgyt, Okiru	Browse	185.125.190.26
	mipsel.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
INIT7CH	mips64.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	arm6l.elf	Get hash	malicious	Gafgyt, Mirai	Browse	109.202.202.202
	mips.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	mipsel.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	bot.x86_64.elf	Get hash	malicious	Mirai, Gafgyt, Okiru	Browse	109.202.202.202
	armv4l.elf	Get hash	malicious	Gafgyt, Mirai	Browse	109.202.202.202
	m68k.elf	Get hash	malicious	Gafgyt, Mirai	Browse	109.202.202.202
	i586.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	powerpc.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	armv4l.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
MICROSOFT-CORP-MSN-AS-BLOCKUS	x86_64.elf	Get hash	malicious	Unknown	Browse	52.150.237.12
	Tool_Unlock_v1.2.exe	Get hash	malicious	Vidar	Browse	204.79.197.219
	db0fa4b8db0333367e9bda3ab68b8042.m68k.elf	Get hash	malicious	Mirai, Gafgyt	Browse	40.108.137.192
	db0fa4b8db0333367e9bda3ab68b8042.i686.elf	Get hash	malicious	Mirai, Gafgyt	Browse	13.101.154.254
	fxsound_setup.exe	Get hash	malicious	Unknown	Browse	20.233.83.145
	phish_alert_iocp_v1.4.48 - 2024-12-27T140703.193.eml	Get hash	malicious	Unknown	Browse	52.109.76.243
	https://greensofttech1-my.sharepoint.com/:f:/g/personal/stella_huang_greensofttech1_onmicrosoft_com/EuOSopXBEUpFhaHAwqFRDM8BeWLY-Gsl0U9Az2fOy4x80A?e=GhPegT&xsdata=MDV8MDJ8TVB1Z2FAaHljaXRlLmNvbXxjMDM5NmJhZjcxOTM0YzBkMTc3ZDA4ZGQxMzcwNWQ3MnxmYzVjNjhmNjk3ZjM0ZWZlYjY4OWViNWMxMjM0ZjgyMXwwfDB8NjM4Njg4MDk1NTQ0NTA0NzA2fFVua25vd258VFdGcGJHWnNiM2Q4ZXlKRmJYQjBlVTFoY0draU9uUnlkV1VzSWxZaU9pSXdMakF1TURBd01DSXNJbEFpT2lKWGFXNHpNaUlzSWtGT0lqb2lUV0ZwYkNJc0lsZFVJam95ZlE9PXwwfHx8&sdata=SVpsejJNYUlwY213VjNreGxSNU1LaFJXcnpXS3pwWjhYR2k5ZUthLzlsMD0%3d	Get hash	malicious	HTMLPhisher	Browse	104.47.55.156
	https://greensofttech1-my.sharepoint.com/:f:/g/personal/stella_huang_greensofttech1_onmicrosoft_com/EuOSopXBEUpFhaHAwqFRDM8BeWLY-Gsl0U9Az2fOy4x80A?e=GhPegT&xsdata=MDV8MDJ8TVB1Z2FAaHljaXRlLmNvbXxjMDM5NmJhZjcxOTM0YzBkMTc3ZDA4ZGQxMzcwNWQ3MnxmYzVjNjhmNjk3ZjM0ZWZlYjY4OWViNWMxMjM0ZjgyMXwwfDB8NjM4Njg4MDk1NTQ0NTA0NzA2fFVua25vd258VFdGcGJHWnNiM2Q4ZXlKRmJYQjBlVTFoY0draU9uUnlkV1VzSWxZaU9pSXdMakF1TURBd01DSXNJbEFpT2lKWGFXNHpNaUlzSWtGT0lqb2lUV0ZwYkNJc0lsZFVJam95ZlE9PXwwfHx8&sdata=SVpsejJNYUlwY213VjNreGxSNU1LaFJXcnpXS3pwWjhYR2k5ZUthLzlsMD0%3d	Get hash	malicious	HTMLPhisher	Browse	104.47.55.156
	w22319us3M.exe	Get hash	malicious	LummaC, Amadey, LummaC Stealer, PureLog Stealer, Stealc, Vidar, zgRAT	Browse	20.233.83.145
	JA7cOAGHym.exe	Get hash	malicious	Vidar	Browse	204.79.197.219

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, ARM, version 1 (ARM), statically linked, stripped
Entropy (8bit):	6.084986668354246
TrID:	ELF Executable and Linkable format (generic) (4004/1) 100.00%
File name:	arm.elf
File size:	51'000 bytes
MD5:	8da3b411ee740ecd1d13b9bdfbb5fe07
SHA1:	7338cd9ba233dd30d1c679c345e4953db0475ab0
SHA256:	dc1d41079176822008d718981133565f4e90d0b590d4ec85b2b2f5e0de1e4e8b
SHA512:	96fa77fa98a99310915ccec1c539ae4755e870014f7255169a449d8305e7aff3feafbfc1d447f90317ddebc9a7380f1cb3094b19da481d9c885c748e9e9cf6ab
SSDEEP:	1536:5qXiAGMqTdPGhdATKCgQ50CU+NwIwqZd9NiFu3ATvOw:5qXiAGMqTdPGhdATKCgQ/U+NeqDG+MOw
TLSH:	6B331895B9816663C1E415B7FB4F428C7B2603F8E1DEB303D9159B303BDB9A90EBA051
File Content Preview:	.ELF...a..........(.........4...........4. ...(..........................................................$..........Q.td..................................-...L."...m+..........0@-.\P...0....S.0...P@...0... ....R......0...0...........0... ....R..... 0....S

Static ELF Info

ELF header
Class:	ELF32
Data:	2's complement, little endian
Version:	1 (current)
Machine:	ARM
Version Number:	0x1
Type:	EXEC (Executable file)
OS/ABI:	ARM - ABI
ABI Version:	0
Entry Point Address:	0x8190
Flags:	0x202
ELF Header Size:	52
Program Header Offset:	52
Program Header Size:	32
Number of Program Headers:	3
Section Header Offset:	50600
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	0x8094	0x94	0x18	0x0	0x6	AX	4
.text	PROGBITS	0x80b0	0xb0	0xadec	0x0	0x6	AX	16
.fini	PROGBITS	0x12e9c	0xae9c	0x14	0x0	0x6	AX	4
.rodata	PROGBITS	0x12eb0	0xaeb0	0x1334	0x0	0x2	A	4
.ctors	PROGBITS	0x1c1e8	0xc1e8	0x8	0x0	0x3	WA	4
.dtors	PROGBITS	0x1c1f0	0xc1f0	0x8	0x0	0x3	WA	4
.data	PROGBITS	0x1c1fc	0xc1fc	0x36c	0x0	0x3	WA	4
.bss	NOBITS	0x1c568	0xc568	0x2164	0x0	0x3	WA	4
.shstrtab	STRTAB	0x0	0xc568	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	0x8000	0x8000	0xc1e4	0xc1e4	6.1283	0x5	R E	0x8000	.init .text .fini .rodata
LOAD	0xc1e8	0x1c1e8	0x1c1e8	0x380	0x24e4	2.8761	0x6	RW	0x8000	.ctors .dtors .data .bss
GNU_STACK	0x0	0x0	0x0	0x0	0x0	0.0000	0x7	RWE	0x4

Network Behavior

Network Port Distribution

TCP Packets

Timestamp	Source Port	Dest Port	Source IP	Dest IP
Dec 29, 2024 14:45:13.286415100 CET	59762	29421	192.168.2.23	52.150.237.12
Dec 29, 2024 14:45:13.407458067 CET	29421	59762	52.150.237.12	192.168.2.23
Dec 29, 2024 14:45:13.407552958 CET	59762	29421	192.168.2.23	52.150.237.12
Dec 29, 2024 14:45:13.407766104 CET	59762	29421	192.168.2.23	52.150.237.12
Dec 29, 2024 14:45:13.531121016 CET	29421	59762	52.150.237.12	192.168.2.23
Dec 29, 2024 14:45:14.696651936 CET	43928	443	192.168.2.23	91.189.91.42
Dec 29, 2024 14:45:20.327955961 CET	42836	443	192.168.2.23	91.189.91.43
Dec 29, 2024 14:45:21.607742071 CET	42516	80	192.168.2.23	109.202.202.202
Dec 29, 2024 14:45:35.173747063 CET	43928	443	192.168.2.23	91.189.91.42
Dec 29, 2024 14:45:47.460027933 CET	42836	443	192.168.2.23	91.189.91.43
Dec 29, 2024 14:45:51.555520058 CET	42516	80	192.168.2.23	109.202.202.202
Dec 29, 2024 14:46:13.439338923 CET	59762	29421	192.168.2.23	52.150.237.12
Dec 29, 2024 14:46:13.560345888 CET	29421	59762	52.150.237.12	192.168.2.23
Dec 29, 2024 14:46:16.128134012 CET	43928	443	192.168.2.23	91.189.91.42
Dec 29, 2024 14:47:13.489521980 CET	59762	29421	192.168.2.23	52.150.237.12
Dec 29, 2024 14:47:13.610837936 CET	29421	59762	52.150.237.12	192.168.2.23

System Behavior

Analysis Process: arm.elf PID: 6251, Parent PID: 6179

General

Start time (UTC):	13:45:12
Start date (UTC):	29/12/2024
Path:	/tmp/arm.elf
Arguments:	/tmp/arm.elf
File size:	4956856 bytes
MD5 hash:	5ebfcae4fe2471fcc5695c2394773ff1

Chronological Activities

Analysis Process: arm.elf PID: 6254, Parent PID: 6251

General

Start time (UTC):	13:45:12
Start date (UTC):	29/12/2024
Path:	/tmp/arm.elf
Arguments:	-
File size:	4956856 bytes
MD5 hash:	5ebfcae4fe2471fcc5695c2394773ff1

Chronological Activities

Analysis Process: arm.elf PID: 6260, Parent PID: 6254

General

Start time (UTC):	13:45:12
Start date (UTC):	29/12/2024
Path:	/tmp/arm.elf
Arguments:	-
File size:	4956856 bytes
MD5 hash:	5ebfcae4fe2471fcc5695c2394773ff1

Chronological Activities

Analysis Process: arm.elf PID: 6262, Parent PID: 6260

General

Start time (UTC):	13:45:12
Start date (UTC):	29/12/2024
Path:	/tmp/arm.elf
Arguments:	-
File size:	4956856 bytes
MD5 hash:	5ebfcae4fe2471fcc5695c2394773ff1

Chronological Activities

Analysis Process: sh PID: 6262, Parent PID: 6260

General

Start time (UTC):	13:45:12
Start date (UTC):	29/12/2024
Path:	/bin/sh
Arguments:	sh -c "mkdir /vbogdn38s8/ && >/vbogdn38s8/vbogdn38s8 && cd /vbogdn38s8/ >/dev/null"
File size:	129816 bytes
MD5 hash:	1e6b1c887c59a315edb7eb9a315fc84c

Chronological Activities

Analysis Process: sh PID: 6264, Parent PID: 6262

General

Start time (UTC):	13:45:12
Start date (UTC):	29/12/2024
Path:	/bin/sh
Arguments:	-
File size:	129816 bytes
MD5 hash:	1e6b1c887c59a315edb7eb9a315fc84c

Chronological Activities

Analysis Process: mkdir PID: 6264, Parent PID: 6262

General

Start time (UTC):	13:45:12
Start date (UTC):	29/12/2024
Path:	/usr/bin/mkdir
Arguments:	mkdir /vbogdn38s8/
File size:	88408 bytes
MD5 hash:	088c9d1df5a28ed16c726eca15964cb7

Chronological Activities

Analysis Process: arm.elf PID: 6265, Parent PID: 6260

General

Start time (UTC):	13:45:12
Start date (UTC):	29/12/2024
Path:	/tmp/arm.elf
Arguments:	-
File size:	4956856 bytes
MD5 hash:	5ebfcae4fe2471fcc5695c2394773ff1

Chronological Activities

Analysis Process: sh PID: 6265, Parent PID: 6260

General

Start time (UTC):	13:45:12
Start date (UTC):	29/12/2024
Path:	/bin/sh
Arguments:	sh -c "mv /tmp/arm.elf /vbogdn38s8/vbogdn38s8 && chmod 777 /vbogdn38s8/vbogdn38s8 >/dev/null"
File size:	129816 bytes
MD5 hash:	1e6b1c887c59a315edb7eb9a315fc84c

Chronological Activities

Analysis Process: sh PID: 6267, Parent PID: 6265

General

Start time (UTC):	13:45:12
Start date (UTC):	29/12/2024
Path:	/bin/sh
Arguments:	-
File size:	129816 bytes
MD5 hash:	1e6b1c887c59a315edb7eb9a315fc84c

Chronological Activities

Analysis Process: mv PID: 6267, Parent PID: 6265

General

Start time (UTC):	13:45:12
Start date (UTC):	29/12/2024
Path:	/usr/bin/mv
Arguments:	mv /tmp/arm.elf /vbogdn38s8/vbogdn38s8
File size:	149888 bytes
MD5 hash:	504f0590fa482d4da070a702260e3716

Chronological Activities

Analysis Process: sh PID: 6270, Parent PID: 6265

General

Start time (UTC):	13:45:12
Start date (UTC):	29/12/2024
Path:	/bin/sh
Arguments:	-
File size:	129816 bytes
MD5 hash:	1e6b1c887c59a315edb7eb9a315fc84c

Chronological Activities

Analysis Process: chmod PID: 6270, Parent PID: 6265

General

Start time (UTC):	13:45:12
Start date (UTC):	29/12/2024
Path:	/usr/bin/chmod
Arguments:	chmod 777 /vbogdn38s8/vbogdn38s8
File size:	63864 bytes
MD5 hash:	739483b900c045ae1374d6f53a86a279

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 modify file or directory permissions/attributes to evade access control lists (ACLs) and access protected files.File and directory permissions are commonly managed by ACLs configured by the file or directory owner, or users with the appropriate permissions. File and directory ACL implementations vary by platform, but generally explicitly designate which users or groups can perform which actions (read, write, execute, etc.).
Tactics:	Defense Evasion
Data Sources:	Active Directory: Active Directory Object Modification, Command: Command Execution, File: File Metadata, Process: Process Creation
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

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:	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 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

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

Loading Joe Sandbox Report ...

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Linux Analysis Report arm.elf

Overview

General Information

Detection

Signatures

Classification

General Information

Runtime Messages

Process Tree

Yara Signatures

Suricata Signatures

Joe Sandbox Signatures

AV Detection

Networking

System Summary

Persistence and Installation Behavior

Malware Analysis System Evasion

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

Static ELF Info

ELF header

Sections

Program Segments

Network Behavior

Network Port Distribution

TCP Packets

System Behavior

Analysis Process: arm.elf PID: 6251, Parent PID: 6179

General

Chronological Activities

Analysis Process: arm.elf PID: 6254, Parent PID: 6251

General

Chronological Activities

Analysis Process: arm.elf PID: 6260, Parent PID: 6254

General

Chronological Activities

Analysis Process: arm.elf PID: 6262, Parent PID: 6260

General

Chronological Activities

Analysis Process: sh PID: 6262, Parent PID: 6260

General

Chronological Activities

Analysis Process: sh PID: 6264, Parent PID: 6262

General

Chronological Activities

Analysis Process: mkdir PID: 6264, Parent PID: 6262

General

Chronological Activities

Analysis Process: arm.elf PID: 6265, Parent PID: 6260

General

Chronological Activities

Analysis Process: sh PID: 6265, Parent PID: 6260

General

Chronological Activities

Linux Analysis Report
arm.elf