Edit tour

Linux Analysis Report
skid.armv7l.elf

Overview

General Information

Sample name:	skid.armv7l.elf
Analysis ID:	1670265
MD5:	69bebc09bbfd6a5a3303bde5b1cc855d
SHA1:	5bf2e3b9d54d39435936501833771f330aa0ba23
SHA256:	54fef35548fda687a444bc628e7b2c5ca3da1f64e34165f67b6e778956f38e7f
Tags:	elfuser-abuse_ch
Infos:

Detection

Score:	60
Range:	0 - 100

Signatures

Suricata IDS alerts for network traffic

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

Performs DNS TXT record lookups

Uses STUN server to do NAT traversial

Detected TCP or UDP traffic on non-standard ports

Enumerates processes within the "proc" file system

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:	42.0.0 Malachite
Analysis ID:	1670265
Start date and time:	2025-04-21 13:08:12 +02:00
Joe Sandbox product:	CloudBasic
Overall analysis duration:	0h 4m 27s
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:	skid.armv7l.elf
Detection:	MAL
Classification:	mal60.troj.evad.linELF@0/5@2/0

Runtime Messages

Command:	/tmp/skid.armv7l.elf
PID:	5552
Exit Code:	0
Exit Code Info:
Killed:	False
Standard Output:	snow slide
Standard Error:

Process Tree

system is lnxubuntu20

skid.armv7l.elf (PID: 5552, Parent: 5472, MD5: 5ebfcae4fe2471fcc5695c2394773ff1) Arguments: /tmp/skid.armv7l.elf

skid.armv7l.elf New Fork (PID: 5554, Parent: 5552)

skid.armv7l.elf New Fork (PID: 5556, Parent: 5554)

cleanup

Yara Signatures

⊘No yara matches

Suricata Signatures

ETPRO MALWARE SOGU DNS CnC Channel TXT Lookup

Timestamp	SID	Severity	Classtype	Source IP	Source Port	Destination IP	Destination Port	Protocol
2025-04-21T13:08:57.825436+0200	2812067	1	Malware Command and Control Activity Detected	192.168.2.15	57602	8.8.8.8	53	UDP

Joe Sandbox Signatures

• Networking
• System Summary
• Persistence and Installation Behavior
• Malware Analysis System Evasion
• HIPS / PFW / Operating System Protection Evasion

Click to jump to signature section

Show All Signature Results

Networking

Suricata IDS alerts for network traffic

Source: Network traffic

Suricata IDS: 2812067 - Severity 1 - ETPRO MALWARE SOGU DNS CnC Channel TXT Lookup : 192.168.2.15:57602 -> 8.8.8.8:53

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

Source: global traffic

TCP traffic: 93.95.115.22 ports 1,2,3,4,5,12345

Uses STUN server to do NAT traversial

Source: unknown

DNS query: name: stun.l.google.com

Source: global traffic	TCP traffic: 192.168.2.15:45408 -> 93.95.115.22:12345
Source: global traffic	UDP traffic: 192.168.2.15:38915 -> 74.125.250.129:19302

Source: /tmp/skid.armv7l.elf (PID: 5554)

Socket: 127.0.0.1:24676

Jump to behavior

Source: unknown	TCP traffic detected without corresponding DNS query: 93.95.115.22
Source: unknown	TCP traffic detected without corresponding DNS query: 93.95.115.22
Source: unknown	TCP traffic detected without corresponding DNS query: 93.95.115.22
Source: unknown	TCP traffic detected without corresponding DNS query: 93.95.115.22
Source: unknown	TCP traffic detected without corresponding DNS query: 93.95.115.22
Source: unknown	TCP traffic detected without corresponding DNS query: 93.95.115.22
Source: unknown	TCP traffic detected without corresponding DNS query: 93.95.115.22
Source: unknown	TCP traffic detected without corresponding DNS query: 93.95.115.22
Source: unknown	TCP traffic detected without corresponding DNS query: 93.95.115.22
Source: unknown	TCP traffic detected without corresponding DNS query: 93.95.115.22
Source: unknown	TCP traffic detected without corresponding DNS query: 93.95.115.22
Source: unknown	TCP traffic detected without corresponding DNS query: 93.95.115.22
Source: unknown	TCP traffic detected without corresponding DNS query: 93.95.115.22
Source: unknown	TCP traffic detected without corresponding DNS query: 93.95.115.22
Source: unknown	TCP traffic detected without corresponding DNS query: 93.95.115.22
Source: unknown	TCP traffic detected without corresponding DNS query: 93.95.115.22
Source: unknown	TCP traffic detected without corresponding DNS query: 93.95.115.22
Source: unknown	TCP traffic detected without corresponding DNS query: 93.95.115.22
Source: unknown	TCP traffic detected without corresponding DNS query: 93.95.115.22
Source: unknown	TCP traffic detected without corresponding DNS query: 93.95.115.22
Source: unknown	TCP traffic detected without corresponding DNS query: 93.95.115.22
Source: unknown	TCP traffic detected without corresponding DNS query: 93.95.115.22
Source: unknown	TCP traffic detected without corresponding DNS query: 93.95.115.22
Source: unknown	TCP traffic detected without corresponding DNS query: 93.95.115.22
Source: unknown	TCP traffic detected without corresponding DNS query: 93.95.115.22
Source: unknown	TCP traffic detected without corresponding DNS query: 93.95.115.22

Source: global traffic	DNS traffic detected: DNS query: 6mv1eyr328y6due83u3js6whtzuxfyhw.su
Source: global traffic	DNS traffic detected: DNS query: stun.l.google.com

Source: ELF static info symbol of initial sample

.symtab present: no

Source: classification engine

Classification label: mal60.troj.evad.linELF@0/5@2/0

Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/5389/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/110/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/231/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/111/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/112/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/233/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/113/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/114/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/235/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/115/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/1333/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/116/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/1695/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/117/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/118/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/119/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/911/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/914/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/10/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/917/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/11/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/12/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/13/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/14/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/15/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/16/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/17/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/18/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/19/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/1591/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/120/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/121/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/1/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/122/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/243/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/2/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/123/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/3/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/124/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/1588/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/125/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/4/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/246/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/126/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/5/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/127/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/6/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/1585/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/128/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/7/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/129/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/8/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/800/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/3883/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/9/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/802/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/803/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/804/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/20/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/21/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/3407/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/22/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/23/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/24/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/25/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/26/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/27/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/28/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/29/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/1484/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/490/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/250/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/130/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/251/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/131/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/132/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/133/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/1479/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/378/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/258/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/259/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/931/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/1595/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/812/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/933/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/30/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/3419/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/35/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/3310/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/260/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/261/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/262/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/142/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/263/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/264/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/265/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/145/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/266/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/267/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/268/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/3303/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/269/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/1486/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/1806/cmdline	Jump to behavior
Source: /tmp/skid.armv7l.elf (PID: 5554)	File opened: /proc/3440/cmdline	Jump to behavior

Source: /tmp/skid.armv7l.elf (PID: 5552)

Queries kernel information via 'uname':

Jump to behavior

Source: skid.armv7l.elf, 5552.1.0000555902129000.0000555902278000.rw-.sdmp	Binary or memory string: YU!/etc/qemu-binfmt/arm
Source: skid.armv7l.elf, 5552.1.0000555902129000.0000555902278000.rw-.sdmp	Binary or memory string: /etc/qemu-binfmt/arm
Source: skid.armv7l.elf, 5552.1.00007ffe5101c000.00007ffe5103d000.rw-.sdmp	Binary or memory string: /usr/bin/qemu-arm
Source: skid.armv7l.elf, 5552.1.00007ffe5101c000.00007ffe5103d000.rw-.sdmp	Binary or memory string: $#x86_64/usr/bin/qemu-arm/tmp/skid.armv7l.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/skid.armv7l.elf

HIPS / PFW / Operating System Protection Evasion

Performs DNS TXT record lookups

Source: Traffic

DNS traffic detected: queries for: 6mv1eyr328y6due83u3js6whtzuxfyhw.su

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	1 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

Screenshots

Download Video

Thumbnails

This section contains all screenshots as thumbnails, including those not shown in the slideshow.

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

Source	Detection	Scanner	Label	Link
skid.armv7l.elf	8%	ReversingLabs	Linux.Worm.Mirai

Dropped Files

⊘No Antivirus matches

Domains

⊘No Antivirus matches

URLs

⊘No Antivirus matches

Domains and IPs

Download Network PCAP: filtered – full

Contacted Domains

Name	IP	Active	Malicious	Antivirus Detection	Reputation
stun.l.google.com	74.125.250.129	true	false		high
6mv1eyr328y6due83u3js6whtzuxfyhw.su	unknown	unknown	false		high

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
93.95.115.22	unknown	Netherlands		35705	PELICAN-ICTNL	true
74.125.250.129	stun.l.google.com	United States		15169	GOOGLEUS	false

Joe Sandbox View / Context

IPs

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link	Context
93.95.115.22	lol.armv7l.elf	Get hash	malicious	Unknown	Browse

Domains

⊘No context

ASNs

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link	Context
PELICAN-ICTNL	lol.armv7l.elf	Get hash	malicious	Unknown	Browse	93.95.115.22
	skid.armv5l.elf	Get hash	malicious	Unknown	Browse	93.95.115.35
	sh4.elf	Get hash	malicious	Unknown	Browse	93.95.115.35
	arm7.elf	Get hash	malicious	Mirai	Browse	93.95.115.35
	HSBC PAYMENT CONFIRMATION COPY.PDF.exe	Get hash	malicious	Remcos, GuLoader	Browse	93.95.115.2
	HSBC COPY.PDF.exe	Get hash	malicious	Remcos, GuLoader	Browse	93.95.115.2
	HSBC COPY.PDF.exe	Get hash	malicious	Remcos, GuLoader	Browse	93.95.115.2
	SecuriteInfo.com.Win32.Trojan.CobaltStrike.4EYNH5.5772.17622.dll	Get hash	malicious	CobaltStrike	Browse	93.95.115.21

JA3 Fingerprints

⊘No context

Dropped Files

⊘No context

Created / dropped Files

/tmp/qemu-open.0Zqjmb (deleted)

Download File

Process:	/tmp/skid.armv7l.elf
File Type:	ASCII text, with no line terminators
Category:	dropped
Size (bytes):	21
Entropy (8bit):	4.011365041826379
Encrypted:	false
SSDEEP:	3:TgJuEtgl:Tg5tgl
MD5:	A4CE74F8268011D2644AF20AB79E7627
SHA1:	13CE4F7675DB3BD073DDA202B1E329F079FC6BB6
SHA-256:	DC2D298D3317A53FBB7F28632793EEEF7EAF2FB7CF8B1186DF97BF4AFE816EA0
SHA-512:	004FBC3D639FDF61C61A765759A1D7E989ADF2347BC54A454314C5738DE49210F6FB44CC6D718D5105D62E1B2E4E0A2E0C34F1020A09262D39A6CCBC831AE557
Malicious:	false
Reputation:	low
Preview:	/tmp/skid.armv7l.elf.

/tmp/qemu-open.7IEgCc (deleted)

Download File

Process:	/tmp/skid.armv7l.elf
File Type:	ASCII text, with no line terminators
Category:	dropped
Size (bytes):	21
Entropy (8bit):	4.011365041826379
Encrypted:	false
SSDEEP:	3:TgJuEtgl:Tg5tgl
MD5:	A4CE74F8268011D2644AF20AB79E7627
SHA1:	13CE4F7675DB3BD073DDA202B1E329F079FC6BB6
SHA-256:	DC2D298D3317A53FBB7F28632793EEEF7EAF2FB7CF8B1186DF97BF4AFE816EA0
SHA-512:	004FBC3D639FDF61C61A765759A1D7E989ADF2347BC54A454314C5738DE49210F6FB44CC6D718D5105D62E1B2E4E0A2E0C34F1020A09262D39A6CCBC831AE557
Malicious:	false
Reputation:	low
Preview:	/tmp/skid.armv7l.elf.

/tmp/qemu-open.8IbAnc (deleted)

Download File

Process:	/tmp/skid.armv7l.elf
File Type:	ASCII text, with no line terminators
Category:	dropped
Size (bytes):	21
Entropy (8bit):	4.011365041826379
Encrypted:	false
SSDEEP:	3:TgJuEtgl:Tg5tgl
MD5:	A4CE74F8268011D2644AF20AB79E7627
SHA1:	13CE4F7675DB3BD073DDA202B1E329F079FC6BB6
SHA-256:	DC2D298D3317A53FBB7F28632793EEEF7EAF2FB7CF8B1186DF97BF4AFE816EA0
SHA-512:	004FBC3D639FDF61C61A765759A1D7E989ADF2347BC54A454314C5738DE49210F6FB44CC6D718D5105D62E1B2E4E0A2E0C34F1020A09262D39A6CCBC831AE557
Malicious:	false
Reputation:	low
Preview:	/tmp/skid.armv7l.elf.

/tmp/qemu-open.D3fjK8 (deleted)

Download File

Process:	/tmp/skid.armv7l.elf
File Type:	ASCII text, with no line terminators
Category:	dropped
Size (bytes):	21
Entropy (8bit):	4.011365041826379
Encrypted:	false
SSDEEP:	3:TgJuEtgl:Tg5tgl
MD5:	A4CE74F8268011D2644AF20AB79E7627
SHA1:	13CE4F7675DB3BD073DDA202B1E329F079FC6BB6
SHA-256:	DC2D298D3317A53FBB7F28632793EEEF7EAF2FB7CF8B1186DF97BF4AFE816EA0
SHA-512:	004FBC3D639FDF61C61A765759A1D7E989ADF2347BC54A454314C5738DE49210F6FB44CC6D718D5105D62E1B2E4E0A2E0C34F1020A09262D39A6CCBC831AE557
Malicious:	false
Reputation:	low
Preview:	/tmp/skid.armv7l.elf.

/tmp/qemu-open.DedP59 (deleted)

Download File

Process:	/tmp/skid.armv7l.elf
File Type:	ASCII text, with no line terminators
Category:	dropped
Size (bytes):	21
Entropy (8bit):	4.011365041826379
Encrypted:	false
SSDEEP:	3:TgJuEtgl:Tg5tgl
MD5:	A4CE74F8268011D2644AF20AB79E7627
SHA1:	13CE4F7675DB3BD073DDA202B1E329F079FC6BB6
SHA-256:	DC2D298D3317A53FBB7F28632793EEEF7EAF2FB7CF8B1186DF97BF4AFE816EA0
SHA-512:	004FBC3D639FDF61C61A765759A1D7E989ADF2347BC54A454314C5738DE49210F6FB44CC6D718D5105D62E1B2E4E0A2E0C34F1020A09262D39A6CCBC831AE557
Malicious:	false
Reputation:	low
Preview:	/tmp/skid.armv7l.elf.

Static File Info

General

File type:	ELF 32-bit LSB executable, ARM, EABI4 version 1 (SYSV), statically linked, stripped
Entropy (8bit):	6.142589189167621
TrID:	ELF Executable and Linkable format (generic) (4004/1) 100.00%
File name:	skid.armv7l.elf
File size:	122'660 bytes
MD5:	69bebc09bbfd6a5a3303bde5b1cc855d
SHA1:	5bf2e3b9d54d39435936501833771f330aa0ba23
SHA256:	54fef35548fda687a444bc628e7b2c5ca3da1f64e34165f67b6e778956f38e7f
SHA512:	8d0836f20895c98f082e46e67a31056600113d269dc611ca89a275950d8b1585ee96ec6f2ddd26772c98856cebde404baab3b54b123bab867a63b855311d1b94
SSDEEP:	3072:TmY6ih2Oz3Y2E0zyaSGqJ3frU00npCxcyIQXu3:Tyd2E9dGUr/0npCxcnQe3
TLSH:	51C31A4DE892AB15C1DA25BAFE5E448D330717FCD3EA71158C111B61A38F94E0F3EA86
File Content Preview:	.ELF..............(.........4...........4. ...(........p.....X...X..(...(................................................................1..........................................Q.td..................................-...L..................G.F.G.F.G.F.G.

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:	UNIX - System V
ABI Version:	0
Entry Point Address:	0x81d0
Flags:	0x4000002
ELF Header Size:	52
Program Header Offset:	52
Program Header Size:	32
Number of Program Headers:	5
Section Header Offset:	122020
Section Header Size:	40
Number of Section Headers:	16
Header String Table Index:	15

Sections

Name	Type	Address	Offset	Size	EntSize	Flags	Flags Description	Link	Align
	NULL	0x0	0x0	0x0	0x0	0x0		0	0
.init	PROGBITS	0x80d4	0xd4	0x10	0x0	0x6	AX	0	4
.text	PROGBITS	0x80f0	0xf0	0x1d074	0x0	0x6	AX	0	16
.fini	PROGBITS	0x25164	0x1d164	0x10	0x0	0x6	AX	0	4
.rodata	PROGBITS	0x25174	0x1d174	0x740	0x0	0x2	A	0	4
.ARM.extab	PROGBITS	0x258b4	0x1d8b4	0x18	0x0	0x2	A	0	4
.ARM.exidx	ARM_EXIDX	0x258cc	0x1d8cc	0x128	0x0	0x82	AL	2	4
.eh_frame	PROGBITS	0x2d9f4	0x1d9f4	0x4	0x0	0x3	WA	0	4
.tbss	NOBITS	0x2d9f8	0x1d9f8	0x8	0x0	0x403	WAT	0	4
.init_array	INIT_ARRAY	0x2d9f8	0x1d9f8	0x4	0x0	0x3	WA	0	4
.fini_array	FINI_ARRAY	0x2d9fc	0x1d9fc	0x4	0x0	0x3	WA	0	4
.got	PROGBITS	0x2da04	0x1da04	0xac	0x4	0x3	WA	0	4
.data	PROGBITS	0x2dab0	0x1dab0	0x158	0x0	0x3	WA	0	4
.bss	NOBITS	0x2dc08	0x1dc08	0x2ef0	0x0	0x3	WA	0	8
.ARM.attributes	ARM_ATTRIBUTES	0x0	0x1dc08	0x16	0x0	0x0		0	1
.shstrtab	STRTAB	0x0	0x1dc1e	0x83	0x0	0x0		0	1

Program Segments

Type	Offset	Virtual Address	Physical Address	File Size	Memory Size	Entropy	Flags	Flags Description	Align	Section Mappings
EXIDX	0x1d8cc	0x258cc	0x258cc	0x128	0x128	4.5952	0x4	R	0x4	.ARM.exidx
LOAD	0x0	0x8000	0x8000	0x1d9f4	0x1d9f4	6.1552	0x5	R E	0x8000	.init .text .fini .rodata .ARM.extab .ARM.exidx
LOAD	0x1d9f4	0x2d9f4	0x2d9f4	0x214	0x3104	2.6271	0x6	RW	0x8000	.eh_frame .tbss .init_array .fini_array .got .data .bss
TLS	0x1d9f8	0x2d9f8	0x2d9f8	0x0	0x8	0.0000	0x4	R	0x4	.tbss
GNU_STACK	0x0	0x0	0x0	0x0	0x0	0.0000	0x7	RWE	0x4

Network Behavior

Download Network PCAP: filtered – full

Suricata IDS Alerts

Timestamp	SID	Signature	Severity	Source IP	Source Port	Dest IP	Dest Port	Protocol
2025-04-21T13:08:57.825436+0200	2812067	ETPRO MALWARE SOGU DNS CnC Channel TXT Lookup	1	192.168.2.15	57602	8.8.8.8	53	UDP

Network Port Distribution

Total Packets: 29
• 19302 undefined
• 12345 undefined
• 53 (DNS)

TCP Packets

Timestamp	Source Port	Dest Port	Source IP	Dest IP
Apr 21, 2025 13:08:58.026567936 CEST	45408	12345	192.168.2.15	93.95.115.22
Apr 21, 2025 13:08:58.301913023 CEST	12345	45408	93.95.115.22	192.168.2.15
Apr 21, 2025 13:08:58.303328037 CEST	45408	12345	192.168.2.15	93.95.115.22
Apr 21, 2025 13:08:58.303328037 CEST	45408	12345	192.168.2.15	93.95.115.22
Apr 21, 2025 13:08:58.578685045 CEST	12345	45408	93.95.115.22	192.168.2.15
Apr 21, 2025 13:08:58.578743935 CEST	45408	12345	192.168.2.15	93.95.115.22
Apr 21, 2025 13:08:58.853902102 CEST	12345	45408	93.95.115.22	192.168.2.15
Apr 21, 2025 13:08:58.853920937 CEST	12345	45408	93.95.115.22	192.168.2.15
Apr 21, 2025 13:08:58.854677916 CEST	45408	12345	192.168.2.15	93.95.115.22
Apr 21, 2025 13:08:58.856081009 CEST	45408	12345	192.168.2.15	93.95.115.22
Apr 21, 2025 13:08:59.172319889 CEST	12345	45408	93.95.115.22	192.168.2.15
Apr 21, 2025 13:08:59.172482967 CEST	45408	12345	192.168.2.15	93.95.115.22
Apr 21, 2025 13:08:59.447796106 CEST	12345	45408	93.95.115.22	192.168.2.15
Apr 21, 2025 13:08:59.447813034 CEST	12345	45408	93.95.115.22	192.168.2.15
Apr 21, 2025 13:08:59.448725939 CEST	45408	12345	192.168.2.15	93.95.115.22
Apr 21, 2025 13:08:59.835774899 CEST	45408	12345	192.168.2.15	93.95.115.22
Apr 21, 2025 13:09:00.151492119 CEST	12345	45408	93.95.115.22	192.168.2.15
Apr 21, 2025 13:09:00.151642084 CEST	45408	12345	192.168.2.15	93.95.115.22
Apr 21, 2025 13:09:00.427567005 CEST	12345	45408	93.95.115.22	192.168.2.15
Apr 21, 2025 13:09:00.427717924 CEST	12345	45408	93.95.115.22	192.168.2.15
Apr 21, 2025 13:09:00.427762985 CEST	45408	12345	192.168.2.15	93.95.115.22
Apr 21, 2025 13:09:13.857280016 CEST	12345	45408	93.95.115.22	192.168.2.15
Apr 21, 2025 13:09:13.857345104 CEST	45408	12345	192.168.2.15	93.95.115.22
Apr 21, 2025 13:09:13.857620001 CEST	45408	12345	192.168.2.15	93.95.115.22
Apr 21, 2025 13:09:14.173155069 CEST	12345	45408	93.95.115.22	192.168.2.15
Apr 21, 2025 13:09:14.173218012 CEST	45408	12345	192.168.2.15	93.95.115.22
Apr 21, 2025 13:09:14.448064089 CEST	12345	45408	93.95.115.22	192.168.2.15
Apr 21, 2025 13:09:33.562630892 CEST	12345	45408	93.95.115.22	192.168.2.15
Apr 21, 2025 13:09:33.562789917 CEST	45408	12345	192.168.2.15	93.95.115.22
Apr 21, 2025 13:09:48.971982002 CEST	12345	45408	93.95.115.22	192.168.2.15
Apr 21, 2025 13:09:48.972162008 CEST	45408	12345	192.168.2.15	93.95.115.22
Apr 21, 2025 13:09:50.235038996 CEST	12345	45408	93.95.115.22	192.168.2.15
Apr 21, 2025 13:09:50.235229969 CEST	45408	12345	192.168.2.15	93.95.115.22
Apr 21, 2025 13:09:50.235500097 CEST	45408	12345	192.168.2.15	93.95.115.22
Apr 21, 2025 13:09:50.510668039 CEST	12345	45408	93.95.115.22	192.168.2.15
Apr 21, 2025 13:09:50.510945082 CEST	45408	12345	192.168.2.15	93.95.115.22
Apr 21, 2025 13:09:50.787431955 CEST	12345	45408	93.95.115.22	192.168.2.15
Apr 21, 2025 13:10:05.803035021 CEST	12345	45408	93.95.115.22	192.168.2.15
Apr 21, 2025 13:10:05.803160906 CEST	45408	12345	192.168.2.15	93.95.115.22
Apr 21, 2025 13:10:22.239372969 CEST	12345	45408	93.95.115.22	192.168.2.15
Apr 21, 2025 13:10:22.239656925 CEST	45408	12345	192.168.2.15	93.95.115.22
Apr 21, 2025 13:10:24.466995001 CEST	12345	45408	93.95.115.22	192.168.2.15
Apr 21, 2025 13:10:24.467173100 CEST	45408	12345	192.168.2.15	93.95.115.22
Apr 21, 2025 13:10:24.744319916 CEST	12345	45408	93.95.115.22	192.168.2.15
Apr 21, 2025 13:10:24.744379044 CEST	45408	12345	192.168.2.15	93.95.115.22
Apr 21, 2025 13:10:25.019489050 CEST	12345	45408	93.95.115.22	192.168.2.15
Apr 21, 2025 13:10:40.550187111 CEST	12345	45408	93.95.115.22	192.168.2.15
Apr 21, 2025 13:10:40.550328970 CEST	45408	12345	192.168.2.15	93.95.115.22
Apr 21, 2025 13:10:56.549591064 CEST	12345	45408	93.95.115.22	192.168.2.15
Apr 21, 2025 13:10:56.549701929 CEST	45408	12345	192.168.2.15	93.95.115.22
Apr 21, 2025 13:11:01.890486002 CEST	12345	45408	93.95.115.22	192.168.2.15
Apr 21, 2025 13:11:01.890738010 CEST	45408	12345	192.168.2.15	93.95.115.22

UDP Packets

Timestamp	Source Port	Dest Port	Source IP	Dest IP
Apr 21, 2025 13:08:57.825436115 CEST	57602	53	192.168.2.15	8.8.8.8
Apr 21, 2025 13:08:58.024715900 CEST	53	57602	8.8.8.8	192.168.2.15
Apr 21, 2025 13:08:59.448741913 CEST	49349	53	192.168.2.15	8.8.8.8
Apr 21, 2025 13:08:59.649529934 CEST	53	49349	8.8.8.8	192.168.2.15
Apr 21, 2025 13:08:59.649909973 CEST	38915	19302	192.168.2.15	74.125.250.129
Apr 21, 2025 13:08:59.835058928 CEST	19302	38915	74.125.250.129	192.168.2.15

DNS Queries

Timestamp	Source IP	Dest IP	Trans ID	OP Code	Name	Type	Class	DNS over HTTPS
Apr 21, 2025 13:08:57.825436115 CEST	192.168.2.15	8.8.8.8	0x2eb6	Standard query (0)	6mv1eyr328y6due83u3js6whtzuxfyhw.su	16	IN (0x0001)	false
Apr 21, 2025 13:08:59.448741913 CEST	192.168.2.15	8.8.8.8	0x1f85	Standard query (0)	stun.l.google.com	A (IP address)	IN (0x0001)	false

DNS Answers

Timestamp	Source IP	Dest IP	Trans ID	Reply Code	Name	Address	Type	Class	DNS over HTTPS
Apr 21, 2025 13:08:58.024715900 CEST	8.8.8.8	192.168.2.15	0x2eb6	No error (0)	6mv1eyr328y6due83u3js6whtzuxfyhw.su		TXT (Text strings)	IN (0x0001)	false
Apr 21, 2025 13:08:58.024715900 CEST	8.8.8.8	192.168.2.15	0x2eb6	No error (0)	6mv1eyr328y6due83u3js6whtzuxfyhw.su		TXT (Text strings)	IN (0x0001)	false
Apr 21, 2025 13:08:58.024715900 CEST	8.8.8.8	192.168.2.15	0x2eb6	No error (0)	6mv1eyr328y6due83u3js6whtzuxfyhw.su		TXT (Text strings)	IN (0x0001)	false
Apr 21, 2025 13:08:58.024715900 CEST	8.8.8.8	192.168.2.15	0x2eb6	No error (0)	6mv1eyr328y6due83u3js6whtzuxfyhw.su		TXT (Text strings)	IN (0x0001)	false
Apr 21, 2025 13:08:58.024715900 CEST	8.8.8.8	192.168.2.15	0x2eb6	No error (0)	6mv1eyr328y6due83u3js6whtzuxfyhw.su		TXT (Text strings)	IN (0x0001)	false
Apr 21, 2025 13:08:58.024715900 CEST	8.8.8.8	192.168.2.15	0x2eb6	No error (0)	6mv1eyr328y6due83u3js6whtzuxfyhw.su		TXT (Text strings)	IN (0x0001)	false
Apr 21, 2025 13:08:58.024715900 CEST	8.8.8.8	192.168.2.15	0x2eb6	No error (0)	6mv1eyr328y6due83u3js6whtzuxfyhw.su		TXT (Text strings)	IN (0x0001)	false
Apr 21, 2025 13:08:59.649529934 CEST	8.8.8.8	192.168.2.15	0x1f85	No error (0)	stun.l.google.com	74.125.250.129	A (IP address)	IN (0x0001)	false

System Behavior

Analysis Process: skid.armv7l.elf PID: 5552, Parent PID: 5472

General

Start time (UTC):	11:08:55
Start date (UTC):	21/04/2025
Path:	/tmp/skid.armv7l.elf
Arguments:	/tmp/skid.armv7l.elf
File size:	4956856 bytes
MD5 hash:	5ebfcae4fe2471fcc5695c2394773ff1

File Activities

File Opened

File Read

File Moved

Directory Enumerated

Process Activities

Process Forked

Prctl Requested

Thread Sleep

System Activities

Query System Information (uname)

Chronological Activities

Analysis Process: skid.armv7l.elf PID: 5554, Parent PID: 5552

General

Start time (UTC):	11:08:57
Start date (UTC):	21/04/2025
Path:	/tmp/skid.armv7l.elf
Arguments:	-
File size:	4956856 bytes
MD5 hash:	5ebfcae4fe2471fcc5695c2394773ff1

File Activities

File Opened

File Deleted

File Read

File Written

Directory Enumerated

Process Activities

Process Forked

Thread Sleep

Network Activities

Socket Listening

Chronological Activities

Analysis Process: skid.armv7l.elf PID: 5556, Parent PID: 5554

General

Start time (UTC):	11:08:57
Start date (UTC):	21/04/2025
Path:	/tmp/skid.armv7l.elf
Arguments:	-
File size:	4956856 bytes
MD5 hash:	5ebfcae4fe2471fcc5695c2394773ff1

Description:	Adversaries may attempt to dump credentials to obtain account login and credential material, normally in the form of a hash or a clear text password, from the operating system and software. Credentials can then be used to perform Lateral Movement and access restricted information.
Tactics:	Credential Access
Data Sources:	Active Directory: Active Directory Object Access, Command: Command Execution, File: File Access, Network Traffic: Network Traffic Content, Network Traffic: Network Traffic Flow, Process: OS API Execution, Process: Process Access, Process: Process Creation, Windows Registry: Windows Registry Key Access
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 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 skid.armv7l.elf

Overview

General Information

Detection

Signatures

Classification

General Information

Runtime Messages

Process Tree

Yara Signatures

Suricata Signatures

Joe Sandbox Signatures

Networking

System Summary

Persistence and Installation Behavior

Malware Analysis System Evasion

HIPS / PFW / Operating System Protection 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

Public IPs

Joe Sandbox View / Context

IPs

Domains

ASNs

JA3 Fingerprints

Dropped Files

Created / dropped Files

/tmp/qemu-open.0Zqjmb (deleted)

/tmp/qemu-open.7IEgCc (deleted)

/tmp/qemu-open.8IbAnc (deleted)

/tmp/qemu-open.D3fjK8 (deleted)

/tmp/qemu-open.DedP59 (deleted)

Static File Info

General

Static ELF Info

ELF header

Sections

Program Segments

Network Behavior

Suricata IDS Alerts

Network Port Distribution

TCP Packets

UDP Packets

DNS Queries

DNS Answers

System Behavior

Analysis Process: skid.armv7l.elf PID: 5552, Parent PID: 5472

General

File Activities

File Opened

File Read

File Moved

Directory Enumerated

Process Activities

Process Forked

Prctl Requested

Thread Sleep

System Activities

Query System Information (uname)

Chronological Activities

Analysis Process: skid.armv7l.elf PID: 5554, Parent PID: 5552

General

Linux Analysis Report
skid.armv7l.elf