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Linux Analysis Report
zersh4.elf

Overview

General Information

Sample name:	zersh4.elf
Analysis ID:	1543113
MD5:	69c06f74f2d01a61af66c16b94dc6e69
SHA1:	197b464349a2f892a8c56de727b595a0ff75d53b
SHA256:	a2e0455a1f5df5ae123205bde79c67e29b711fc26687c1798786ef6eff4567bf
Tags:	elfuser-abuse_ch
Infos:

Detection

Score:	56
Range:	0 - 100
Whitelisted:	false

Signatures

Multi AV Scanner detection for submitted file

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

Sends malformed DNS queries

Detected TCP or UDP traffic on non-standard ports

Sample has stripped symbol table

Sample listens on a socket

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

Classification

General Information

Joe Sandbox version:	41.0.0 Charoite
Analysis ID:	1543113
Start date and time:	2024-10-27 09:13:59 +01:00
Joe Sandbox product:	CloudBasic
Overall analysis duration:	0h 4m 50s
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:	zersh4.elf
Detection:	MAL
Classification:	mal56.troj.linELF@0/0@12/0

Warnings

VT rate limit hit for: zersh4.elf

Runtime Messages

Command:	/tmp/zersh4.elf
PID:	5636
Exit Code:	0
Exit Code Info:
Killed:	False
Standard Output:	The Peoples Bank of China.
Standard Error:

Process Tree

system is lnxubuntu20

zersh4.elf (PID: 5636, Parent: 5556, MD5: 8943e5f8f8c280467b4472c15ae93ba9) Arguments: /tmp/zersh4.elf

zersh4.elf New Fork (PID: 5638, Parent: 5636)

zersh4.elf New Fork (PID: 5640, Parent: 5638)

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: zersh4.elf

ReversingLabs: Detection: 44%

Networking

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

Source: global traffic	TCP traffic: 185.150.24.67 ports 38241,1,2,3,4,8
Source: global traffic	TCP traffic: 45.156.86.24 ports 38241,1,2,3,4,8

Sends malformed DNS queries

Source: global traffic	DNS traffic detected: malformed DNS query: netfags.geek. [malformed]
Source: global traffic	DNS traffic detected: malformed DNS query: chinklabs.dyn. [malformed]
Source: global traffic	DNS traffic detected: malformed DNS query: yellowchink.pirate. [malformed]
Source: global traffic	DNS traffic detected: malformed DNS query: burnthe.libre. [malformed]

Source: global traffic	TCP traffic: 192.168.2.14:57382 -> 45.156.86.24:38241
Source: global traffic	TCP traffic: 192.168.2.14:49902 -> 185.150.24.67:38241

Source: /tmp/zersh4.elf (PID: 5636)

Socket: 127.0.0.1:39148

Jump to behavior

Source: unknown	UDP traffic detected without corresponding DNS query: 185.181.61.24
Source: unknown	UDP traffic detected without corresponding DNS query: 185.181.61.24
Source: unknown	UDP traffic detected without corresponding DNS query: 185.181.61.24
Source: unknown	UDP traffic detected without corresponding DNS query: 194.36.144.87
Source: unknown	UDP traffic detected without corresponding DNS query: 168.235.111.72
Source: unknown	UDP traffic detected without corresponding DNS query: 81.169.136.222
Source: unknown	UDP traffic detected without corresponding DNS query: 202.61.197.122
Source: unknown	UDP traffic detected without corresponding DNS query: 168.235.111.72
Source: unknown	UDP traffic detected without corresponding DNS query: 202.61.197.122
Source: unknown	UDP traffic detected without corresponding DNS query: 194.36.144.87
Source: unknown	UDP traffic detected without corresponding DNS query: 51.158.108.203
Source: unknown	UDP traffic detected without corresponding DNS query: 194.36.144.87

Source: global traffic	DNS traffic detected: DNS query: netfags.geek
Source: global traffic	DNS traffic detected: DNS query: chinklabs.dyn
Source: global traffic	DNS traffic detected: DNS query: burnthe.libre
Source: global traffic	DNS traffic detected: DNS query: yellowchink.pirate
Source: global traffic	DNS traffic detected: DNS query: netfags.geek. [malformed]
Source: global traffic	DNS traffic detected: DNS query: chinklabs.dyn. [malformed]
Source: global traffic	DNS traffic detected: DNS query: yellowchink.pirate. [malformed]
Source: global traffic	DNS traffic detected: DNS query: burnthe.libre. [malformed]

Source: ELF static info symbol of initial sample

.symtab present: no

Source: classification engine

Classification label: mal56.troj.linELF@0/0@12/0

Source: /tmp/zersh4.elf (PID: 5636)

Queries kernel information via 'uname':

Jump to behavior

Source: zersh4.elf, 5636.1.00007ffd96ca4000.00007ffd96cc5000.rw-.sdmp	Binary or memory string: /usr/bin/qemu-sh4
Source: zersh4.elf, 5636.1.000055ed7f38d000.000055ed7f3f0000.rw-.sdmp	Binary or memory string: U5!/etc/qemu-binfmt/sh4
Source: zersh4.elf, 5636.1.000055ed7f38d000.000055ed7f3f0000.rw-.sdmp	Binary or memory string: /etc/qemu-binfmt/sh4
Source: zersh4.elf, 5636.1.00007ffd96ca4000.00007ffd96cc5000.rw-.sdmp	Binary or memory string: tx86_64/usr/bin/qemu-sh4/tmp/zersh4.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/zersh4.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	1 Non-Standard Port	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-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 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
zersh4.elf	45%	ReversingLabs	Linux.Backdoor.Gafgyt

Dropped Files

⊘No Antivirus matches

Domains

⊘No Antivirus matches

URLs

⊘No Antivirus matches

Domains and IPs

Contacted Domains

Name	IP	Active	Malicious	Reputation
netfags.geek	45.156.86.24	true	true	unknown
yellowchink.pirate	45.156.86.24	true	true	unknown
chinklabs.dyn	185.150.24.67	true	true	unknown
burnthe.libre	45.156.86.24	true	true	unknown
chinklabs.dyn. [malformed]	unknown	unknown	true	unknown
netfags.geek. [malformed]	unknown	unknown	true	unknown
burnthe.libre. [malformed]	unknown	unknown	true	unknown
yellowchink.pirate. [malformed]	unknown	unknown	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	Flag	ASN	ASN Name	Malicious
185.150.24.67	chinklabs.dyn	Netherlands		44592	SKYLINKNL	true
45.156.86.24	netfags.geek	Germany		44592	SKYLINKNL	true

Joe Sandbox View / Context

IPs

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link
185.150.24.67	zerppc.elf	Get hash	malicious	Unknown	Browse
	file.exe	Get hash	malicious	Unknown	Browse
	https://search-dl3.com/staticpr/12.zip	Get hash	malicious	Unknown	Browse
45.156.86.24	nabsh4.elf	Get hash	malicious	Unknown	Browse
	nabmpsl.elf	Get hash	malicious	Unknown	Browse
	zerppc.elf	Get hash	malicious	Unknown	Browse

Domains

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link	Context
netfags.geek	jklppc.elf	Get hash	malicious	Unknown	Browse	45.156.86.24
netfags.geek	splmips.elf	Get hash	malicious	Unknown	Browse	45.156.86.24
burnthe.libre	arm7.elf	Get hash	malicious	Unknown	Browse	45.156.86.24
	nabmpsl.elf	Get hash	malicious	Unknown	Browse	45.156.86.24
	splx86.elf	Get hash	malicious	Unknown	Browse	45.156.86.24
	jklarm.elf	Get hash	malicious	Unknown	Browse	45.156.86.24
	mpsl.elf	Get hash	malicious	Unknown	Browse	45.156.86.24
	nklmips.elf	Get hash	malicious	Unknown	Browse	45.156.86.24
yellowchink.pirate	jklx86.elf	Get hash	malicious	Unknown	Browse	45.156.86.24
	jklppc.elf	Get hash	malicious	Unknown	Browse	45.156.86.24
	nabmpsl.elf	Get hash	malicious	Unknown	Browse	45.156.86.24
chinklabs.dyn	nabmpsl.elf	Get hash	malicious	Unknown	Browse	185.150.24.67
chinklabs.dyn	jklarm.elf	Get hash	malicious	Unknown	Browse	185.150.24.67

ASNs

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link	Context
SKYLINKNL	nabsh4.elf	Get hash	malicious	Unknown	Browse	45.156.86.24
	nabmpsl.elf	Get hash	malicious	Unknown	Browse	45.156.86.24
	zerppc.elf	Get hash	malicious	Unknown	Browse	45.156.86.24
	SecuriteInfo.com.Win64.TrojanX-gen.14578.3729.exe	Get hash	malicious	Unknown	Browse	45.141.37.12
	http://185.150.26.210/bot.x86_64	Get hash	malicious	Unknown	Browse	185.150.26.210
	bot.x86.elf	Get hash	malicious	Mirai, Okiru	Browse	185.150.26.210
	SecuriteInfo.com.Linux.Siggen.9999.2215.16365.elf	Get hash	malicious	Mirai, Okiru	Browse	185.150.26.210
	SecuriteInfo.com.Linux.Siggen.9999.23508.27121.elf	Get hash	malicious	Mirai, Okiru	Browse	185.150.26.210
	IUuKCHla6X.elf	Get hash	malicious	Mirai, Okiru	Browse	185.150.26.210
	4GZzy6vjRR.elf	Get hash	malicious	Mirai, Okiru	Browse	185.150.26.210
SKYLINKNL	nabsh4.elf	Get hash	malicious	Unknown	Browse	45.156.86.24
	nabmpsl.elf	Get hash	malicious	Unknown	Browse	45.156.86.24
	zerppc.elf	Get hash	malicious	Unknown	Browse	45.156.86.24
	SecuriteInfo.com.Win64.TrojanX-gen.14578.3729.exe	Get hash	malicious	Unknown	Browse	45.141.37.12
	http://185.150.26.210/bot.x86_64	Get hash	malicious	Unknown	Browse	185.150.26.210
	bot.x86.elf	Get hash	malicious	Mirai, Okiru	Browse	185.150.26.210
	SecuriteInfo.com.Linux.Siggen.9999.2215.16365.elf	Get hash	malicious	Mirai, Okiru	Browse	185.150.26.210
	SecuriteInfo.com.Linux.Siggen.9999.23508.27121.elf	Get hash	malicious	Mirai, Okiru	Browse	185.150.26.210
	IUuKCHla6X.elf	Get hash	malicious	Mirai, Okiru	Browse	185.150.26.210
	4GZzy6vjRR.elf	Get hash	malicious	Mirai, Okiru	Browse	185.150.26.210

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):	6.774950137456954
TrID:	ELF Executable and Linkable format (generic) (4004/1) 100.00%
File name:	zersh4.elf
File size:	42'636 bytes
MD5:	69c06f74f2d01a61af66c16b94dc6e69
SHA1:	197b464349a2f892a8c56de727b595a0ff75d53b
SHA256:	a2e0455a1f5df5ae123205bde79c67e29b711fc26687c1798786ef6eff4567bf
SHA512:	1b66d9eca06183d0f239c9b3f88271a630983669ae1e7ec434ca9fa6aa8e0898fab79b09e9eb6a53ccfd60e03c60621206feef6ae17f3b63d78cd5863ad84227
SSDEEP:	768:aarwtOa65mMekU9m64F4kE4A27C2Cp8oORuCbhsn:aarwtOdtBFXEL2u2E7KuClsn
TLSH:	79137EB688AEAD94C19B4674F8705D782F43F200D2631EFB6A4588A65043DBCF61A3F5
File Content Preview:	.ELF.....................@.4...........4. ...(...............@...@...........................A...A.\|...............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:	42196
Section Header Size:	40
Number of Section Headers:	11
Header String Table Index:	10

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	0x9920	0x0	0x6	AX	32
.fini	PROGBITS	0x409a00	0x9a00	0x24	0x0	0x6	AX	4
.rodata	PROGBITS	0x409a24	0x9a24	0x8ec	0x0	0x2	A	4
.ctors	PROGBITS	0x41a314	0xa314	0x8	0x0	0x3	WA	4
.dtors	PROGBITS	0x41a31c	0xa31c	0x8	0x0	0x3	WA	4
.jcr	PROGBITS	0x41a324	0xa324	0x4	0x0	0x3	WA	4
.data	PROGBITS	0x41a328	0xa328	0x168	0x0	0x3	WA	4
.bss	NOBITS	0x41a490	0xa490	0x178	0x0	0x3	WA	4
.shstrtab	STRTAB	0x0	0xa490	0x43	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	0xa310	0xa310	6.8349	0x5	R E	0x10000	.init .text .fini .rodata
LOAD	0xa314	0x41a314	0x41a314	0x17c	0x2f4	0.8961	0x6	RW	0x10000	.ctors .dtors .jcr .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
Oct 27, 2024 09:15:01.331991911 CET	57382	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:15:01.338572979 CET	38241	57382	45.156.86.24	192.168.2.14
Oct 27, 2024 09:15:01.338641882 CET	57382	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:15:01.340506077 CET	57382	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:15:01.347127914 CET	38241	57382	45.156.86.24	192.168.2.14
Oct 27, 2024 09:15:01.347182035 CET	57382	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:15:01.353826046 CET	38241	57382	45.156.86.24	192.168.2.14
Oct 27, 2024 09:15:11.342679977 CET	57382	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:15:11.348035097 CET	38241	57382	45.156.86.24	192.168.2.14
Oct 27, 2024 09:15:11.711098909 CET	38241	57382	45.156.86.24	192.168.2.14
Oct 27, 2024 09:15:11.711869955 CET	57382	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:15:11.717874050 CET	38241	57382	45.156.86.24	192.168.2.14
Oct 27, 2024 09:15:12.750804901 CET	49902	38241	192.168.2.14	185.150.24.67
Oct 27, 2024 09:15:12.756156921 CET	38241	49902	185.150.24.67	192.168.2.14
Oct 27, 2024 09:15:12.756248951 CET	49902	38241	192.168.2.14	185.150.24.67
Oct 27, 2024 09:15:12.757302999 CET	49902	38241	192.168.2.14	185.150.24.67
Oct 27, 2024 09:15:12.763278008 CET	38241	49902	185.150.24.67	192.168.2.14
Oct 27, 2024 09:15:12.763366938 CET	49902	38241	192.168.2.14	185.150.24.67
Oct 27, 2024 09:15:12.769666910 CET	38241	49902	185.150.24.67	192.168.2.14
Oct 27, 2024 09:15:13.497633934 CET	38241	49902	185.150.24.67	192.168.2.14
Oct 27, 2024 09:15:13.498105049 CET	49902	38241	192.168.2.14	185.150.24.67
Oct 27, 2024 09:15:13.510778904 CET	38241	49902	185.150.24.67	192.168.2.14
Oct 27, 2024 09:15:14.539948940 CET	57386	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:15:14.545317888 CET	38241	57386	45.156.86.24	192.168.2.14
Oct 27, 2024 09:15:14.545377016 CET	57386	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:15:14.546195984 CET	57386	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:15:14.551515102 CET	38241	57386	45.156.86.24	192.168.2.14
Oct 27, 2024 09:15:14.551559925 CET	57386	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:15:14.556950092 CET	38241	57386	45.156.86.24	192.168.2.14
Oct 27, 2024 09:15:25.391902924 CET	38241	57386	45.156.86.24	192.168.2.14
Oct 27, 2024 09:15:25.392019987 CET	57386	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:15:25.397372007 CET	38241	57386	45.156.86.24	192.168.2.14
Oct 27, 2024 09:15:26.406553984 CET	57388	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:15:26.421902895 CET	38241	57388	45.156.86.24	192.168.2.14
Oct 27, 2024 09:15:26.421988964 CET	57388	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:15:26.423185110 CET	57388	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:15:26.428566933 CET	38241	57388	45.156.86.24	192.168.2.14
Oct 27, 2024 09:15:26.428621054 CET	57388	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:15:26.433968067 CET	38241	57388	45.156.86.24	192.168.2.14
Oct 27, 2024 09:15:37.263693094 CET	38241	57388	45.156.86.24	192.168.2.14
Oct 27, 2024 09:15:37.263947010 CET	57388	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:15:37.270060062 CET	38241	57388	45.156.86.24	192.168.2.14
Oct 27, 2024 09:15:38.367033005 CET	57390	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:15:38.372360945 CET	38241	57390	45.156.86.24	192.168.2.14
Oct 27, 2024 09:15:38.372625113 CET	57390	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:15:38.374423027 CET	57390	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:15:38.379697084 CET	38241	57390	45.156.86.24	192.168.2.14
Oct 27, 2024 09:15:38.379762888 CET	57390	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:15:38.385195017 CET	38241	57390	45.156.86.24	192.168.2.14
Oct 27, 2024 09:15:49.217571974 CET	38241	57390	45.156.86.24	192.168.2.14
Oct 27, 2024 09:15:49.217722893 CET	57390	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:15:49.224553108 CET	38241	57390	45.156.86.24	192.168.2.14
Oct 27, 2024 09:15:50.251389980 CET	57392	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:15:50.257087946 CET	38241	57392	45.156.86.24	192.168.2.14
Oct 27, 2024 09:15:50.257312059 CET	57392	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:15:50.258729935 CET	57392	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:15:50.264185905 CET	38241	57392	45.156.86.24	192.168.2.14
Oct 27, 2024 09:15:50.264250994 CET	57392	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:15:50.269505024 CET	38241	57392	45.156.86.24	192.168.2.14
Oct 27, 2024 09:16:01.078188896 CET	38241	57392	45.156.86.24	192.168.2.14
Oct 27, 2024 09:16:01.078401089 CET	57392	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:16:01.083723068 CET	38241	57392	45.156.86.24	192.168.2.14
Oct 27, 2024 09:16:02.094050884 CET	57394	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:16:02.100519896 CET	38241	57394	45.156.86.24	192.168.2.14
Oct 27, 2024 09:16:02.100579023 CET	57394	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:16:02.101581097 CET	57394	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:16:02.108100891 CET	38241	57394	45.156.86.24	192.168.2.14
Oct 27, 2024 09:16:02.108151913 CET	57394	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:16:02.114514112 CET	38241	57394	45.156.86.24	192.168.2.14
Oct 27, 2024 09:16:12.939101934 CET	38241	57394	45.156.86.24	192.168.2.14
Oct 27, 2024 09:16:12.939531088 CET	57394	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:16:12.944886923 CET	38241	57394	45.156.86.24	192.168.2.14
Oct 27, 2024 09:16:14.033245087 CET	57396	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:16:14.039390087 CET	38241	57396	45.156.86.24	192.168.2.14
Oct 27, 2024 09:16:14.039465904 CET	57396	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:16:14.041013956 CET	57396	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:16:14.046438932 CET	38241	57396	45.156.86.24	192.168.2.14
Oct 27, 2024 09:16:14.046529055 CET	57396	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:16:14.051891088 CET	38241	57396	45.156.86.24	192.168.2.14
Oct 27, 2024 09:16:24.050853014 CET	57396	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:16:24.056719065 CET	38241	57396	45.156.86.24	192.168.2.14
Oct 27, 2024 09:16:24.402950048 CET	38241	57396	45.156.86.24	192.168.2.14
Oct 27, 2024 09:16:24.403280973 CET	57396	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:16:24.410250902 CET	38241	57396	45.156.86.24	192.168.2.14
Oct 27, 2024 09:16:25.421309948 CET	57398	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:16:25.427423954 CET	38241	57398	45.156.86.24	192.168.2.14
Oct 27, 2024 09:16:25.427668095 CET	57398	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:16:25.429847002 CET	57398	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:16:25.435412884 CET	38241	57398	45.156.86.24	192.168.2.14
Oct 27, 2024 09:16:25.435647011 CET	57398	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:16:25.441462994 CET	38241	57398	45.156.86.24	192.168.2.14
Oct 27, 2024 09:16:36.255909920 CET	38241	57398	45.156.86.24	192.168.2.14
Oct 27, 2024 09:16:36.256339073 CET	57398	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:16:36.262180090 CET	38241	57398	45.156.86.24	192.168.2.14
Oct 27, 2024 09:16:37.271364927 CET	57400	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:16:37.277199984 CET	38241	57400	45.156.86.24	192.168.2.14
Oct 27, 2024 09:16:37.277462006 CET	57400	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:16:37.279304981 CET	57400	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:16:37.286132097 CET	38241	57400	45.156.86.24	192.168.2.14
Oct 27, 2024 09:16:37.286279917 CET	57400	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:16:37.293081999 CET	38241	57400	45.156.86.24	192.168.2.14
Oct 27, 2024 09:16:48.109167099 CET	38241	57400	45.156.86.24	192.168.2.14
Oct 27, 2024 09:16:48.109488010 CET	57400	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:16:48.114959002 CET	38241	57400	45.156.86.24	192.168.2.14
Oct 27, 2024 09:16:49.131326914 CET	57402	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:16:49.136786938 CET	38241	57402	45.156.86.24	192.168.2.14
Oct 27, 2024 09:16:49.136888981 CET	57402	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:16:49.138575077 CET	57402	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:16:49.143914938 CET	38241	57402	45.156.86.24	192.168.2.14
Oct 27, 2024 09:16:49.144057035 CET	57402	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:16:49.149686098 CET	38241	57402	45.156.86.24	192.168.2.14
Oct 27, 2024 09:16:59.962359905 CET	38241	57402	45.156.86.24	192.168.2.14
Oct 27, 2024 09:16:59.962721109 CET	57402	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:16:59.968317032 CET	38241	57402	45.156.86.24	192.168.2.14
Oct 27, 2024 09:17:01.111398935 CET	57404	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:17:01.117598057 CET	38241	57404	45.156.86.24	192.168.2.14
Oct 27, 2024 09:17:01.117978096 CET	57404	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:17:01.119867086 CET	57404	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:17:01.125437021 CET	38241	57404	45.156.86.24	192.168.2.14
Oct 27, 2024 09:17:01.125688076 CET	57404	38241	192.168.2.14	45.156.86.24
Oct 27, 2024 09:17:01.131369114 CET	38241	57404	45.156.86.24	192.168.2.14

UDP Packets

Timestamp	Source Port	Dest Port	Source IP	Dest IP
Oct 27, 2024 09:15:01.293315887 CET	50797	53	192.168.2.14	185.181.61.24
Oct 27, 2024 09:15:01.329066038 CET	53	50797	185.181.61.24	192.168.2.14
Oct 27, 2024 09:15:12.716280937 CET	47978	53	192.168.2.14	185.181.61.24
Oct 27, 2024 09:15:12.749906063 CET	53	47978	185.181.61.24	192.168.2.14
Oct 27, 2024 09:15:14.500978947 CET	34623	53	192.168.2.14	185.181.61.24
Oct 27, 2024 09:15:14.539181948 CET	53	34623	185.181.61.24	192.168.2.14
Oct 27, 2024 09:15:26.394768953 CET	48417	53	192.168.2.14	194.36.144.87
Oct 27, 2024 09:15:26.405719995 CET	53	48417	194.36.144.87	192.168.2.14
Oct 27, 2024 09:15:38.268136024 CET	46849	53	192.168.2.14	168.235.111.72
Oct 27, 2024 09:15:38.365875959 CET	53	46849	168.235.111.72	192.168.2.14
Oct 27, 2024 09:15:50.221023083 CET	46679	53	192.168.2.14	81.169.136.222
Oct 27, 2024 09:15:50.249666929 CET	53	46679	81.169.136.222	192.168.2.14
Oct 27, 2024 09:16:02.081418037 CET	59157	53	192.168.2.14	202.61.197.122
Oct 27, 2024 09:16:02.093426943 CET	53	59157	202.61.197.122	192.168.2.14
Oct 27, 2024 09:16:13.944147110 CET	42392	53	192.168.2.14	168.235.111.72
Oct 27, 2024 09:16:14.032078028 CET	53	42392	168.235.111.72	192.168.2.14
Oct 27, 2024 09:16:25.408291101 CET	37257	53	192.168.2.14	202.61.197.122
Oct 27, 2024 09:16:25.419903040 CET	53	37257	202.61.197.122	192.168.2.14
Oct 27, 2024 09:16:37.259928942 CET	49176	53	192.168.2.14	194.36.144.87
Oct 27, 2024 09:16:37.270797968 CET	53	49176	194.36.144.87	192.168.2.14
Oct 27, 2024 09:16:49.114097118 CET	57332	53	192.168.2.14	51.158.108.203
Oct 27, 2024 09:16:49.130260944 CET	53	57332	51.158.108.203	192.168.2.14
Oct 27, 2024 09:17:00.968492031 CET	40785	53	192.168.2.14	194.36.144.87
Oct 27, 2024 09:17:01.109072924 CET	53	40785	194.36.144.87	192.168.2.14

DNS Queries

Timestamp	Source IP	Dest IP	Trans ID	OP Code	Name	Type	Class	DNS over HTTPS
Oct 27, 2024 09:15:01.293315887 CET	192.168.2.14	185.181.61.24	0x25d	Standard query (0)	netfags.geek	A (IP address)	IN (0x0001)	false
Oct 27, 2024 09:15:12.716280937 CET	192.168.2.14	185.181.61.24	0x476e	Standard query (0)	chinklabs.dyn	A (IP address)	IN (0x0001)	false
Oct 27, 2024 09:15:14.500978947 CET	192.168.2.14	185.181.61.24	0x431	Standard query (0)	burnthe.libre	A (IP address)	IN (0x0001)	false
Oct 27, 2024 09:15:26.394768953 CET	192.168.2.14	194.36.144.87	0x7756	Standard query (0)	burnthe.libre	A (IP address)	IN (0x0001)	false
Oct 27, 2024 09:15:38.268136024 CET	192.168.2.14	168.235.111.72	0x14aa	Standard query (0)	yellowchink.pirate	A (IP address)	IN (0x0001)	false
Oct 27, 2024 09:15:50.221023083 CET	192.168.2.14	81.169.136.222	0x7cf5	Standard query (0)	yellowchink.pirate	A (IP address)	IN (0x0001)	false
Oct 27, 2024 09:16:02.081418037 CET	192.168.2.14	202.61.197.122	0xa2f5	Standard query (0)	netfags.geek. [malformed]	256	450	false
Oct 27, 2024 09:16:13.944147110 CET	192.168.2.14	168.235.111.72	0xc6c0	Standard query (0)	yellowchink.pirate	A (IP address)	IN (0x0001)	false
Oct 27, 2024 09:16:25.408291101 CET	192.168.2.14	202.61.197.122	0xb88a	Standard query (0)	chinklabs.dyn. [malformed]	256	473	false
Oct 27, 2024 09:16:37.259928942 CET	192.168.2.14	194.36.144.87	0x2c36	Standard query (0)	yellowchink.pirate. [malformed]	256	485	false
Oct 27, 2024 09:16:49.114097118 CET	192.168.2.14	51.158.108.203	0x52ec	Standard query (0)	chinklabs.dyn. [malformed]	256	497	false
Oct 27, 2024 09:17:00.968492031 CET	192.168.2.14	194.36.144.87	0x99d6	Standard query (0)	burnthe.libre. [malformed]	256	509	false

DNS Answers

Timestamp	Source IP	Dest IP	Trans ID	Reply Code	Name	CName	Address	Type	Class	DNS over HTTPS
Oct 27, 2024 09:15:01.329066038 CET	185.181.61.24	192.168.2.14	0x25d	No error (0)	netfags.geek		45.156.86.24	A (IP address)	IN (0x0001)	false
Oct 27, 2024 09:15:12.749906063 CET	185.181.61.24	192.168.2.14	0x476e	No error (0)	chinklabs.dyn		185.150.24.67	A (IP address)	IN (0x0001)	false
Oct 27, 2024 09:15:14.539181948 CET	185.181.61.24	192.168.2.14	0x431	No error (0)	burnthe.libre		45.156.86.24	A (IP address)	IN (0x0001)	false
Oct 27, 2024 09:15:26.405719995 CET	194.36.144.87	192.168.2.14	0x7756	No error (0)	burnthe.libre		45.156.86.24	A (IP address)	IN (0x0001)	false
Oct 27, 2024 09:15:38.365875959 CET	168.235.111.72	192.168.2.14	0x14aa	No error (0)	yellowchink.pirate		45.156.86.24	A (IP address)	IN (0x0001)	false
Oct 27, 2024 09:15:50.249666929 CET	81.169.136.222	192.168.2.14	0x7cf5	No error (0)	yellowchink.pirate		45.156.86.24	A (IP address)	IN (0x0001)	false
Oct 27, 2024 09:16:14.032078028 CET	168.235.111.72	192.168.2.14	0xc6c0	No error (0)	yellowchink.pirate		45.156.86.24	A (IP address)	IN (0x0001)	false
Oct 27, 2024 09:16:37.270797968 CET	194.36.144.87	192.168.2.14	0x2c36	Format error (1)	yellowchink.pirate. [malformed]	none	none	256	485	false
Oct 27, 2024 09:16:49.130260944 CET	51.158.108.203	192.168.2.14	0x52ec	Format error (1)	chinklabs.dyn. [malformed]	none	none	256	497	false
Oct 27, 2024 09:17:01.109072924 CET	194.36.144.87	192.168.2.14	0x99d6	Format error (1)	burnthe.libre. [malformed]	none	none	256	509	false

System Behavior

Analysis Process: zersh4.elf PID: 5636, Parent PID: 5556

General

Start time (UTC):	08:15:00
Start date (UTC):	27/10/2024
Path:	/tmp/zersh4.elf
Arguments:	/tmp/zersh4.elf
File size:	4139976 bytes
MD5 hash:	8943e5f8f8c280467b4472c15ae93ba9

Chronological Activities

Analysis Process: zersh4.elf PID: 5638, Parent PID: 5636

General

Start time (UTC):	08:15:00
Start date (UTC):	27/10/2024
Path:	/tmp/zersh4.elf
Arguments:	-
File size:	4139976 bytes
MD5 hash:	8943e5f8f8c280467b4472c15ae93ba9

Chronological Activities

Analysis Process: zersh4.elf PID: 5640, Parent PID: 5638

General

Start time (UTC):	08:15:00
Start date (UTC):	27/10/2024
Path:	/tmp/zersh4.elf
Arguments:	-
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

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 use an OSI non-application layer protocol for communication between host and C2 server or among infected hosts within a network. The list of possible protocols is extensive.Specific examples include use of network layer protocols, such as the Internet Control Message Protocol (ICMP), transport layer protocols, such as the User Datagram Protocol (UDP), session layer protocols, such as Socket Secure (SOCKS), as well as redirected/tunneled protocols, such as Serial over LAN (SOL).
Tactics:	Command and Control
Data Sources:	Network Traffic: Network Traffic Content, Network Traffic: Network Traffic Flow
Platforms:	Linux, macOS, Network, 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 ...

Warning!

Linux Analysis Report zersh4.elf

Overview

General Information

Detection

Signatures

Classification

General Information

Warnings

Runtime Messages

Process Tree

Yara Signatures

Suricata Signatures

Joe Sandbox Signatures

AV Detection

Networking

System Summary

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

UDP Packets

DNS Queries

DNS Answers

System Behavior

Analysis Process: zersh4.elf PID: 5636, Parent PID: 5556

General

Chronological Activities

Analysis Process: zersh4.elf PID: 5638, Parent PID: 5636

General

Chronological Activities

Analysis Process: zersh4.elf PID: 5640, Parent PID: 5638

General

Chronological Activities

Linux Analysis Report
zersh4.elf