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Linux Analysis Report
arm.elf

Overview

General Information

Sample name:	arm.elf
Analysis ID:	1582157
MD5:	ea5b60b7a57572b113a0069740eef8e6
SHA1:	4a6d8ff6a861a7c1b69d5d8470c9ef65e83d2324
SHA256:	1ebccc0e47e6f148b0179a9b77717a6e8bf427d66c41a03625c2d2f47ab48f10
Tags:	elfuser-abuse_ch
Infos:

Detection

Mirai, Moobot

Score:	84
Range:	0 - 100
Whitelisted:	false

Signatures

Antivirus / Scanner detection for submitted sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Yara detected Mirai

Yara detected Moobot

Sample deletes itself

Enumerates processes within the "proc" file system

Executes the "rm" command used to delete files or directories

Sample has stripped symbol table

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

Yara signature match

Classification

General Information

Joe Sandbox version:	41.0.0 Charoite
Analysis ID:	1582157
Start date and time:	2024-12-30 03:09:42 +01:00
Joe Sandbox product:	CloudBasic
Overall analysis duration:	0h 5m 1s
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:	mal84.troj.evad.linELF@0/0@18/0

Warnings

VT rate limit hit for: wcjwcj.cn

Runtime Messages

Command:	/tmp/arm.elf
PID:	6253
Exit Code:	0
Exit Code Info:
Killed:	False
Standard Output:	done.
Standard Error:

Process Tree

system is lnxubuntu20

arm.elf (PID: 6253, Parent: 6178, MD5: 5ebfcae4fe2471fcc5695c2394773ff1) Arguments: /tmp/arm.elf

arm.elf New Fork (PID: 6255, Parent: 6253)

arm.elf New Fork (PID: 6257, Parent: 6255)

arm.elf New Fork (PID: 6259, Parent: 6255)

arm.elf New Fork (PID: 6261, Parent: 6259)

dash New Fork (PID: 6268, Parent: 4334)

rm (PID: 6268, Parent: 4334, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.l4agDrsUnE /tmp/tmp.cTpCwKJ0GN /tmp/tmp.fMDdcAUB9f

dash New Fork (PID: 6269, Parent: 4334)

rm (PID: 6269, Parent: 4334, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.l4agDrsUnE /tmp/tmp.cTpCwKJ0GN /tmp/tmp.fMDdcAUB9f

cleanup

Malware Threat Intel

Provided by

Name	Description	Attribution	Blogpost URLs	Link
Mirai	Mirai is one of the first significant botnets targeting exposed networking devices running Linux. Found in August 2016 by MalwareMustDie, its name means "future" in Japanese. Nowadays it targets a wide range of networked embedded devices such as IP cameras, home routers (many vendors involved), and other IoT devices. Since the source code was published on "Hack Forums" many variants of the Mirai family appeared, infecting mostly home networks all around the world.	No Attribution	http://osint.bambenekconsulting.com/feeds/ http://www.simonroses.com/2016/10/mirai-ddos-botnet-source-code-binary-analysis/ https://blog.malwaremustdie.org/2020/02/mmd-0065-2021-linuxmirai-fbot-re.html https://blog.netlab.360.com/another-lilin-dvr-0-day-being-used-to-spread-mirai-en/ https://blog.netlab.360.com/mirai_ptea-botnet-is-exploiting-undisclosed-kguard-dvr-vulnerability-en/	https://malpedia.caad.fkie.fraunhofer.de/details/elf.mirai

Name	Description	Attribution	Blogpost URLs	Link
MooBot		No Attribution	https://blog.netlab.360.com/ddos-botnet-moobot-en/ https://blog.netlab.360.com/moobot-0day-unixcctv-dvr-en/ https://blog.netlab.360.com/some_details_of_the_ddos_attacks_targeting_ukraine_and_russia_in_recent_days/ https://media.defense.gov/2024/Feb/27/2003400753/-1/-1/0/CSA-RUSSIAN-ACTORS-USE-ROUTERS-FACILITATE-CYBER_OPERATIONS.PDF https://otx.alienvault.com/pulse/6075b645942d5adf9bb8949b	https://malpedia.caad.fkie.fraunhofer.de/details/elf.moobot

Yara Signatures

Initial Sample

Source	Rule	Description	Author	Strings
arm.elf	JoeSecurity_Moobot	Yara detected Moobot	Joe Security
arm.elf	JoeSecurity_Mirai_8	Yara detected Mirai	Joe Security
arm.elf	Linux_Trojan_Gafgyt_28a2fe0c	unknown	unknown	0xe1a4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe1b8:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe1cc:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe1e0:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe1f4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe208:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe21c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe230:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe244:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe258:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe26c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe280:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe294:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe2a8:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe2bc:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe2d0:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe2e4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe2f8:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe30c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe320:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe334:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F

Memory Dumps

Source	Rule	Description	Author	Strings
6253.1.00007f0750017000.00007f0750027000.r-x.sdmp	JoeSecurity_Moobot	Yara detected Moobot	Joe Security
6253.1.00007f0750017000.00007f0750027000.r-x.sdmp	JoeSecurity_Mirai_8	Yara detected Mirai	Joe Security
6253.1.00007f0750017000.00007f0750027000.r-x.sdmp	Linux_Trojan_Gafgyt_28a2fe0c	unknown	unknown	0xe1a4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe1b8:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe1cc:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe1e0:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe1f4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe208:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe21c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe230:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe244:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe258:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe26c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe280:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe294:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe2a8:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe2bc:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe2d0:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe2e4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe2f8:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe30c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe320:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xe334:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
Process Memory Space: arm.elf PID: 6253	JoeSecurity_Moobot	Yara detected Moobot	Joe Security
Process Memory Space: arm.elf PID: 6253	JoeSecurity_Mirai_8	Yara detected Mirai	Joe Security
Process Memory Space: arm.elf PID: 6253	Linux_Trojan_Gafgyt_28a2fe0c	unknown	unknown	0xea:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xfe:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x112:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x126:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x13a:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x14e:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x162:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x176:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x18a:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x19e:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x1b2:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x1c6:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x1da:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x1ee:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x202:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x216:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x22a:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x23e:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x252:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x266:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x27a:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
Click to see the 1 entries

Suricata Signatures

⊘No Suricata rule has matched

Joe Sandbox Signatures

Click to jump to signature section

Show All Signature Results

AV Detection

Antivirus / Scanner detection for submitted sample

Source: arm.elf

Avira: detected

Multi AV Scanner detection for submitted file

Source: arm.elf	ReversingLabs: Detection: 60%
Source: arm.elf	Virustotal: Detection: 56%			Perma Link

Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown	TCP traffic detected without corresponding DNS query: 34.249.145.219
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: 91.189.91.42

Source: global traffic

DNS traffic detected: DNS query: wcjwcj.cn

Source: unknown	Network traffic detected: HTTP traffic on port 43928 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 39256
Source: unknown	Network traffic detected: HTTP traffic on port 39256 -> 443

System Summary

Malicious sample detected (through community Yara rule)

Source: arm.elf, type: SAMPLE	Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: 6253.1.00007f0750017000.00007f0750027000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: Process Memory Space: arm.elf PID: 6253, type: MEMORYSTR	Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown

Source: ELF static info symbol of initial sample

.symtab present: no

Source: arm.elf, type: SAMPLE	Matched rule: Linux_Trojan_Gafgyt_28a2fe0c os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = a2c6beaec18ca876e8487c11bcc7a29279669588aacb7d3027d8d8df8f5bcead, id = 28a2fe0c-eed5-4c79-81e6-3b11b73a4ebd, last_modified = 2021-09-16
Source: 6253.1.00007f0750017000.00007f0750027000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Trojan_Gafgyt_28a2fe0c os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = a2c6beaec18ca876e8487c11bcc7a29279669588aacb7d3027d8d8df8f5bcead, id = 28a2fe0c-eed5-4c79-81e6-3b11b73a4ebd, last_modified = 2021-09-16
Source: Process Memory Space: arm.elf PID: 6253, type: MEMORYSTR	Matched rule: Linux_Trojan_Gafgyt_28a2fe0c os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = a2c6beaec18ca876e8487c11bcc7a29279669588aacb7d3027d8d8df8f5bcead, id = 28a2fe0c-eed5-4c79-81e6-3b11b73a4ebd, last_modified = 2021-09-16

Source: classification engine

Classification label: mal84.troj.evad.linELF@0/0@18/0

Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/1582/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/3088/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/230/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/110/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/231/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/111/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/232/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/1579/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/112/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/233/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/1699/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/113/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/234/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/1335/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/1698/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/5819/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/114/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/235/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/1334/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/1576/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/2302/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/115/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/236/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/116/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/237/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/117/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/118/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/910/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/119/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/912/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/10/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/2307/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/11/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/918/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/12/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/13/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/14/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/15/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/16/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/17/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/18/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/1594/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/120/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/121/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/1349/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/1/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/122/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/243/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/123/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/2/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/124/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/3/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/4/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/125/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/126/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/1344/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/1465/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/1586/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/127/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/6/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/248/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/128/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/249/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/1463/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/800/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/6238/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/9/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/801/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/6239/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/20/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/21/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/1900/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/22/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/23/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/24/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/25/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/26/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/27/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/28/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/29/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/491/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/250/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/130/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/251/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/252/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/132/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/253/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/254/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/255/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/256/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/1599/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/257/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/1477/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/379/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/258/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/1476/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/259/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/1475/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/936/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/30/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/2208/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/35/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/1809/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/1494/cmdline	Jump to behavior
Source: /tmp/arm.elf (PID: 6257)	File opened: /proc/260/cmdline	Jump to behavior

Source: /usr/bin/dash (PID: 6268)	Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.l4agDrsUnE /tmp/tmp.cTpCwKJ0GN /tmp/tmp.fMDdcAUB9f			Jump to behavior
Source: /usr/bin/dash (PID: 6269)	Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.l4agDrsUnE /tmp/tmp.cTpCwKJ0GN /tmp/tmp.fMDdcAUB9f			Jump to behavior

Hooking and other Techniques for Hiding and Protection

Sample deletes itself

Source: /tmp/arm.elf (PID: 6253)

File: /tmp/arm.elf

Jump to behavior

Source: /tmp/arm.elf (PID: 6253)

Queries kernel information via 'uname':

Jump to behavior

Source: arm.elf, 6253.1.00007ffd44210000.00007ffd44231000.rw-.sdmp	Binary or memory string: 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, 6253.1.000056382d6a2000.000056382d7d0000.rw-.sdmp	Binary or memory string: /etc/qemu-binfmt/arm
Source: arm.elf, 6253.1.00007ffd44210000.00007ffd44231000.rw-.sdmp	Binary or memory string: /usr/bin/qemu-arm
Source: arm.elf, 6253.1.000056382d6a2000.000056382d7d0000.rw-.sdmp	Binary or memory string: k-8V!/etc/qemu-binfmt/arm

Stealing of Sensitive Information

Yara detected Mirai

Source: Yara match	File source: arm.elf, type: SAMPLE
Source: Yara match	File source: 6253.1.00007f0750017000.00007f0750027000.r-x.sdmp, type: MEMORY
Source: Yara match	File source: Process Memory Space: arm.elf PID: 6253, type: MEMORYSTR

Yara detected Moobot

Source: Yara match	File source: arm.elf, type: SAMPLE
Source: Yara match	File source: 6253.1.00007f0750017000.00007f0750027000.r-x.sdmp, type: MEMORY
Source: Yara match	File source: Process Memory Space: arm.elf PID: 6253, type: MEMORYSTR

Remote Access Functionality

Yara detected Mirai

Source: Yara match	File source: arm.elf, type: SAMPLE
Source: Yara match	File source: 6253.1.00007f0750017000.00007f0750027000.r-x.sdmp, type: MEMORY
Source: Yara match	File source: Process Memory Space: arm.elf PID: 6253, type: MEMORYSTR

Yara detected Moobot

Source: Yara match	File source: arm.elf, type: SAMPLE
Source: Yara match	File source: 6253.1.00007f0750017000.00007f0750027000.r-x.sdmp, type: MEMORY
Source: Yara match	File source: Process Memory Space: arm.elf PID: 6253, type: MEMORYSTR

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	11 File Deletion	1 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-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	2 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

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
arm.elf	61%	ReversingLabs	Linux.Trojan.Mirai
arm.elf	56%	Virustotal		Browse
arm.elf	100%	Avira	EXP/ELF.Mirai.Z.A

Dropped Files

⊘No Antivirus matches

Domains

⊘No Antivirus matches

URLs

⊘No Antivirus matches

Domains and IPs

Contacted Domains

Name	IP	Active	Malicious	Antivirus Detection	Reputation
wcjwcj.cn	69.165.74.109	true	false		unknown

World Map of Contacted IPs

No. of IPs < 25%
25% < No. of IPs < 50%
50% < No. of IPs < 75%
75% < No. of IPs

Public IPs

IP	Domain	Country	ASN	ASN Name	Malicious
34.249.145.219	unknown	United States	16509	AMAZON-02US	false
109.202.202.202	unknown	Switzerland	13030	INIT7CH	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
34.249.145.219	rebirth.ppc.elf	Get hash	malicious	Gafgyt	Browse
	dlr.arm7.elf	Get hash	malicious	Mirai	Browse
	udpmpsl.elf	Get hash	malicious	Unknown	Browse
	bot.x86_64.elf	Get hash	malicious	Mirai, Gafgyt, Okiru	Browse
	main_mpsl.elf	Get hash	malicious	Mirai	Browse
	ub8ehJSePAfc9FYqZIT6.arm7.elf	Get hash	malicious	Mirai	Browse
	telnet.arm7.elf	Get hash	malicious	Unknown	Browse
	main_arm7.elf	Get hash	malicious	Mirai	Browse
	boatnet.spc.elf	Get hash	malicious	Mirai	Browse
	arm6.elf	Get hash	malicious	Mirai, Moobot	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
91.189.91.42	rebirth.ppc.elf	Get hash	malicious	Gafgyt	Browse
	dlr.arm7.elf	Get hash	malicious	Mirai	Browse
	.Sm68k.elf	Get hash	malicious	Unknown	Browse
	m68k.elf	Get hash	malicious	Unknown	Browse
	main_mpsl.elf	Get hash	malicious	Mirai	Browse
	.Sx86_64.elf	Get hash	malicious	Unknown	Browse
	udpmpsl.elf	Get hash	malicious	Unknown	Browse
	.Sarm.elf	Get hash	malicious	Unknown	Browse
	dc.elf	Get hash	malicious	Gafgyt, Mirai	Browse
	rebirth.i686.elf	Get hash	malicious	Gafgyt	Browse

Domains

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link	Context
wcjwcj.cn	arm7.elf	Get hash	malicious	Mirai, Moobot	Browse	69.165.74.109
	mpsl.elf	Get hash	malicious	Mirai, Moobot	Browse	69.165.74.109
	JgR39HaU3e.elf	Get hash	malicious	Mirai, Moobot	Browse	154.9.29.154
	n2pg2vVhEO.elf	Get hash	malicious	Mirai, Moobot	Browse	154.9.29.154
	J6yrFHwNuC.elf	Get hash	malicious	Mirai, Moobot	Browse	154.9.29.154
	sg123JWcuU.elf	Get hash	malicious	Mirai, Moobot	Browse	154.9.29.154
	HePOITlRYk.elf	Get hash	malicious	Mirai, Moobot	Browse	154.9.29.154
	4GI3jkntqw.elf	Get hash	malicious	Mirai, Moobot	Browse	154.9.29.154

ASNs

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link	Context
CANONICAL-ASGB	rebirth.ppc.elf	Get hash	malicious	Gafgyt	Browse	91.189.91.42
	dlr.arm7.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	.Sm68k.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	m68k.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	main_mpsl.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	.Sx86_64.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	x86.elf	Get hash	malicious	Unknown	Browse	185.125.190.26
	udpmpsl.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	.Sarm.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	dc.elf	Get hash	malicious	Gafgyt, Mirai	Browse	91.189.91.42
INIT7CH	rebirth.ppc.elf	Get hash	malicious	Gafgyt	Browse	109.202.202.202
	dlr.arm7.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	.Sm68k.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	m68k.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	main_mpsl.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	.Sx86_64.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	udpmpsl.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	.Sarm.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	dc.elf	Get hash	malicious	Gafgyt, Mirai	Browse	109.202.202.202
	rebirth.i686.elf	Get hash	malicious	Gafgyt	Browse	109.202.202.202
AMAZON-02US	rebirth.ppc.elf	Get hash	malicious	Gafgyt	Browse	34.249.145.219
	dlr.arm7.elf	Get hash	malicious	Mirai	Browse	34.249.145.219
	udpmpsl.elf	Get hash	malicious	Unknown	Browse	34.249.145.219
	.Sx86.elf	Get hash	malicious	Unknown	Browse	54.171.230.55
	loligang.spc.elf	Get hash	malicious	Mirai	Browse	108.146.236.114
	loligang.mips.elf	Get hash	malicious	Mirai	Browse	18.167.172.156
	loligang.mpsl.elf	Get hash	malicious	Mirai	Browse	13.221.153.208
	loligang.arm.elf	Get hash	malicious	Mirai	Browse	13.245.236.62
	loligang.arm7.elf	Get hash	malicious	Mirai	Browse	44.229.110.130
	loligang.x86.elf	Get hash	malicious	Mirai	Browse	63.34.74.29

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):	6.101722680058916
TrID:	ELF Executable and Linkable format (generic) (4004/1) 100.00%
File name:	arm.elf
File size:	65'400 bytes
MD5:	ea5b60b7a57572b113a0069740eef8e6
SHA1:	4a6d8ff6a861a7c1b69d5d8470c9ef65e83d2324
SHA256:	1ebccc0e47e6f148b0179a9b77717a6e8bf427d66c41a03625c2d2f47ab48f10
SHA512:	d8ef32089fad4b8f2058f7ce2d1b6c924ffb762a96967e888669fd7883ee1903cc133b5a4ddc59b5b7e3f319c92b7e5b4c3d5496a73265d00498bd1e3bda46b7
SSDEEP:	1536:g8YF8Nc8e1CA6aqjr6unrpT/qt9Yp5y6BrvFnj:/YaaapTyt+pskFnj
TLSH:	79533941F8815623C6D112BBF76E42CD3B2623E8E2DF72179D219F203B8692B0D67E55
File Content Preview:	.ELF...a..........(.........4...........4. ...(.....................<...<...............@...@...@...h...<%..........Q.td..................................-...L."....7..........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:	65000
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	0xdff0	0x0	0x6	AX	16
.fini	PROGBITS	0x160a0	0xe0a0	0x14	0x0	0x6	AX	4
.rodata	PROGBITS	0x160b4	0xe0b4	0x1988	0x0	0x2	A	4
.ctors	PROGBITS	0x1fa40	0xfa40	0x8	0x0	0x3	WA	4
.dtors	PROGBITS	0x1fa48	0xfa48	0x8	0x0	0x3	WA	4
.data	PROGBITS	0x1fa54	0xfa54	0x354	0x0	0x3	WA	4
.bss	NOBITS	0x1fda8	0xfda8	0x21d4	0x0	0x3	WA	4
.shstrtab	STRTAB	0x0	0xfda8	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	0xfa3c	0xfa3c	6.1367	0x5	R E	0x8000	.init .text .fini .rodata
LOAD	0xfa40	0x1fa40	0x1fa40	0x368	0x253c	2.6672	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 30, 2024 03:10:59.119738102 CET	43928	443	192.168.2.23	91.189.91.42
Dec 30, 2024 03:11:10.068387032 CET	443	39256	34.249.145.219	192.168.2.23
Dec 30, 2024 03:11:10.068811893 CET	39256	443	192.168.2.23	34.249.145.219
Dec 30, 2024 03:11:10.073712111 CET	443	39256	34.249.145.219	192.168.2.23
Dec 30, 2024 03:11:14.221688986 CET	42516	80	192.168.2.23	109.202.202.202
Dec 30, 2024 03:11:20.364773989 CET	43928	443	192.168.2.23	91.189.91.42
Dec 30, 2024 03:12:01.319305897 CET	43928	443	192.168.2.23	91.189.91.42

UDP Packets

Timestamp	Source Port	Dest Port	Source IP	Dest IP
Dec 30, 2024 03:10:58.914630890 CET	35159	53	192.168.2.23	8.8.8.8
Dec 30, 2024 03:10:58.921689034 CET	53	35159	8.8.8.8	192.168.2.23
Dec 30, 2024 03:11:06.932111979 CET	58449	53	192.168.2.23	8.8.8.8
Dec 30, 2024 03:11:07.197700977 CET	53	58449	8.8.8.8	192.168.2.23
Dec 30, 2024 03:11:08.201312065 CET	47458	53	192.168.2.23	8.8.8.8
Dec 30, 2024 03:11:08.208668947 CET	53	47458	8.8.8.8	192.168.2.23
Dec 30, 2024 03:11:12.211517096 CET	40896	53	192.168.2.23	8.8.8.8
Dec 30, 2024 03:11:12.218161106 CET	53	40896	8.8.8.8	192.168.2.23
Dec 30, 2024 03:11:28.224395037 CET	55615	53	192.168.2.23	8.8.8.8
Dec 30, 2024 03:11:28.231564045 CET	53	55615	8.8.8.8	192.168.2.23
Dec 30, 2024 03:11:31.234663963 CET	52456	53	192.168.2.23	8.8.8.8
Dec 30, 2024 03:11:31.241863012 CET	53	52456	8.8.8.8	192.168.2.23
Dec 30, 2024 03:11:33.245567083 CET	57870	53	192.168.2.23	8.8.8.8
Dec 30, 2024 03:11:33.487581015 CET	53	57870	8.8.8.8	192.168.2.23
Dec 30, 2024 03:11:42.490349054 CET	52249	53	192.168.2.23	8.8.8.8
Dec 30, 2024 03:11:42.498013020 CET	53	52249	8.8.8.8	192.168.2.23
Dec 30, 2024 03:11:47.501225948 CET	59876	53	192.168.2.23	8.8.8.8
Dec 30, 2024 03:11:47.508434057 CET	53	59876	8.8.8.8	192.168.2.23
Dec 30, 2024 03:11:53.511981964 CET	33247	53	192.168.2.23	8.8.8.8
Dec 30, 2024 03:11:53.518810034 CET	53	33247	8.8.8.8	192.168.2.23
Dec 30, 2024 03:11:57.522625923 CET	48183	53	192.168.2.23	8.8.8.8
Dec 30, 2024 03:11:57.529520035 CET	53	48183	8.8.8.8	192.168.2.23
Dec 30, 2024 03:12:00.533853054 CET	42299	53	192.168.2.23	8.8.8.8
Dec 30, 2024 03:12:00.541326046 CET	53	42299	8.8.8.8	192.168.2.23
Dec 30, 2024 03:12:11.546942949 CET	60225	53	192.168.2.23	8.8.8.8
Dec 30, 2024 03:12:11.554169893 CET	53	60225	8.8.8.8	192.168.2.23
Dec 30, 2024 03:12:14.558264017 CET	36841	53	192.168.2.23	8.8.8.8
Dec 30, 2024 03:12:14.565561056 CET	53	36841	8.8.8.8	192.168.2.23
Dec 30, 2024 03:12:37.573765039 CET	46468	53	192.168.2.23	8.8.8.8
Dec 30, 2024 03:12:37.580558062 CET	53	46468	8.8.8.8	192.168.2.23
Dec 30, 2024 03:12:54.589083910 CET	39039	53	192.168.2.23	8.8.8.8
Dec 30, 2024 03:12:54.596101046 CET	53	39039	8.8.8.8	192.168.2.23
Dec 30, 2024 03:13:01.600198030 CET	39782	53	192.168.2.23	8.8.8.8
Dec 30, 2024 03:13:01.607167006 CET	53	39782	8.8.8.8	192.168.2.23
Dec 30, 2024 03:13:02.612175941 CET	57356	53	192.168.2.23	8.8.8.8
Dec 30, 2024 03:13:02.619115114 CET	53	57356	8.8.8.8	192.168.2.23

DNS Queries

Timestamp	Source IP	Dest IP	Trans ID	OP Code	Name	Type	Class	DNS over HTTPS
Dec 30, 2024 03:10:58.914630890 CET	192.168.2.23	8.8.8.8	0x90da	Standard query (0)	wcjwcj.cn	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:11:06.932111979 CET	192.168.2.23	8.8.8.8	0x71e0	Standard query (0)	wcjwcj.cn	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:11:08.201312065 CET	192.168.2.23	8.8.8.8	0xd8ac	Standard query (0)	wcjwcj.cn	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:11:12.211517096 CET	192.168.2.23	8.8.8.8	0x9dc	Standard query (0)	wcjwcj.cn	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:11:28.224395037 CET	192.168.2.23	8.8.8.8	0x8c86	Standard query (0)	wcjwcj.cn	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:11:31.234663963 CET	192.168.2.23	8.8.8.8	0xd6f1	Standard query (0)	wcjwcj.cn	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:11:33.245567083 CET	192.168.2.23	8.8.8.8	0xe878	Standard query (0)	wcjwcj.cn	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:11:42.490349054 CET	192.168.2.23	8.8.8.8	0x886c	Standard query (0)	wcjwcj.cn	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:11:47.501225948 CET	192.168.2.23	8.8.8.8	0x7885	Standard query (0)	wcjwcj.cn	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:11:53.511981964 CET	192.168.2.23	8.8.8.8	0xe676	Standard query (0)	wcjwcj.cn	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:11:57.522625923 CET	192.168.2.23	8.8.8.8	0xd369	Standard query (0)	wcjwcj.cn	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:12:00.533853054 CET	192.168.2.23	8.8.8.8	0x4250	Standard query (0)	wcjwcj.cn	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:12:11.546942949 CET	192.168.2.23	8.8.8.8	0x8491	Standard query (0)	wcjwcj.cn	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:12:14.558264017 CET	192.168.2.23	8.8.8.8	0xd4df	Standard query (0)	wcjwcj.cn	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:12:37.573765039 CET	192.168.2.23	8.8.8.8	0xa917	Standard query (0)	wcjwcj.cn	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:12:54.589083910 CET	192.168.2.23	8.8.8.8	0x598c	Standard query (0)	wcjwcj.cn	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:13:01.600198030 CET	192.168.2.23	8.8.8.8	0x8e20	Standard query (0)	wcjwcj.cn	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:13:02.612175941 CET	192.168.2.23	8.8.8.8	0x9e96	Standard query (0)	wcjwcj.cn	A (IP address)	IN (0x0001)	false

DNS Answers

Timestamp	Source IP	Dest IP	Trans ID	Reply Code	Name	Address	Type	Class	DNS over HTTPS
Dec 30, 2024 03:10:58.921689034 CET	8.8.8.8	192.168.2.23	0x90da	No error (0)	wcjwcj.cn	69.165.74.109	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:11:07.197700977 CET	8.8.8.8	192.168.2.23	0x71e0	No error (0)	wcjwcj.cn	69.165.74.109	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:11:08.208668947 CET	8.8.8.8	192.168.2.23	0xd8ac	No error (0)	wcjwcj.cn	69.165.74.109	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:11:12.218161106 CET	8.8.8.8	192.168.2.23	0x9dc	No error (0)	wcjwcj.cn	69.165.74.109	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:11:28.231564045 CET	8.8.8.8	192.168.2.23	0x8c86	No error (0)	wcjwcj.cn	69.165.74.109	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:11:31.241863012 CET	8.8.8.8	192.168.2.23	0xd6f1	No error (0)	wcjwcj.cn	69.165.74.109	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:11:33.487581015 CET	8.8.8.8	192.168.2.23	0xe878	No error (0)	wcjwcj.cn	69.165.74.109	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:11:42.498013020 CET	8.8.8.8	192.168.2.23	0x886c	No error (0)	wcjwcj.cn	69.165.74.109	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:11:47.508434057 CET	8.8.8.8	192.168.2.23	0x7885	No error (0)	wcjwcj.cn	69.165.74.109	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:11:53.518810034 CET	8.8.8.8	192.168.2.23	0xe676	No error (0)	wcjwcj.cn	69.165.74.109	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:11:57.529520035 CET	8.8.8.8	192.168.2.23	0xd369	No error (0)	wcjwcj.cn	69.165.74.109	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:12:00.541326046 CET	8.8.8.8	192.168.2.23	0x4250	No error (0)	wcjwcj.cn	69.165.74.109	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:12:11.554169893 CET	8.8.8.8	192.168.2.23	0x8491	No error (0)	wcjwcj.cn	69.165.74.109	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:12:14.565561056 CET	8.8.8.8	192.168.2.23	0xd4df	No error (0)	wcjwcj.cn	69.165.74.109	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:12:37.580558062 CET	8.8.8.8	192.168.2.23	0xa917	No error (0)	wcjwcj.cn	69.165.74.109	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:12:54.596101046 CET	8.8.8.8	192.168.2.23	0x598c	No error (0)	wcjwcj.cn	69.165.74.109	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:13:01.607167006 CET	8.8.8.8	192.168.2.23	0x8e20	No error (0)	wcjwcj.cn	69.165.74.109	A (IP address)	IN (0x0001)	false
Dec 30, 2024 03:13:02.619115114 CET	8.8.8.8	192.168.2.23	0x9e96	No error (0)	wcjwcj.cn	69.165.74.109	A (IP address)	IN (0x0001)	false

System Behavior

Analysis Process: arm.elf PID: 6253, Parent PID: 6178

General

Start time (UTC):	02:10:57
Start date (UTC):	30/12/2024
Path:	/tmp/arm.elf
Arguments:	/tmp/arm.elf
File size:	4956856 bytes
MD5 hash:	5ebfcae4fe2471fcc5695c2394773ff1

Chronological Activities

Analysis Process: arm.elf PID: 6255, Parent PID: 6253

General

Start time (UTC):	02:10:57
Start date (UTC):	30/12/2024
Path:	/tmp/arm.elf
Arguments:	-
File size:	4956856 bytes
MD5 hash:	5ebfcae4fe2471fcc5695c2394773ff1

Chronological Activities

Analysis Process: arm.elf PID: 6257, Parent PID: 6255

General

Start time (UTC):	02:10:57
Start date (UTC):	30/12/2024
Path:	/tmp/arm.elf
Arguments:	-
File size:	4956856 bytes
MD5 hash:	5ebfcae4fe2471fcc5695c2394773ff1

Chronological Activities

Analysis Process: arm.elf PID: 6259, Parent PID: 6255

General

Start time (UTC):	02:10:57
Start date (UTC):	30/12/2024
Path:	/tmp/arm.elf
Arguments:	-
File size:	4956856 bytes
MD5 hash:	5ebfcae4fe2471fcc5695c2394773ff1

Chronological Activities

Analysis Process: arm.elf PID: 6261, Parent PID: 6259

General

Start time (UTC):	02:10:57
Start date (UTC):	30/12/2024
Path:	/tmp/arm.elf
Arguments:	-
File size:	4956856 bytes
MD5 hash:	5ebfcae4fe2471fcc5695c2394773ff1

Chronological Activities

Analysis Process: dash PID: 6268, Parent PID: 4334

General

Start time (UTC):	02:11:08
Start date (UTC):	30/12/2024
Path:	/usr/bin/dash
Arguments:	-
File size:	129816 bytes
MD5 hash:	1e6b1c887c59a315edb7eb9a315fc84c

Chronological Activities

Analysis Process: rm PID: 6268, Parent PID: 4334

General

Start time (UTC):	02:11:08
Start date (UTC):	30/12/2024
Path:	/usr/bin/rm
Arguments:	rm -f /tmp/tmp.l4agDrsUnE /tmp/tmp.cTpCwKJ0GN /tmp/tmp.fMDdcAUB9f
File size:	72056 bytes
MD5 hash:	aa2b5496fdbfd88e38791ab81f90b95b

Chronological Activities

Analysis Process: dash PID: 6269, Parent PID: 4334

General

Start time (UTC):	02:11:08
Start date (UTC):	30/12/2024
Path:	/usr/bin/dash
Arguments:	-
File size:	129816 bytes
MD5 hash:	1e6b1c887c59a315edb7eb9a315fc84c

Chronological Activities

Analysis Process: rm PID: 6269, Parent PID: 4334

General

Start time (UTC):	02:11:08
Start date (UTC):	30/12/2024
Path:	/usr/bin/rm
Arguments:	rm -f /tmp/tmp.l4agDrsUnE /tmp/tmp.cTpCwKJ0GN /tmp/tmp.fMDdcAUB9f
File size:	72056 bytes
MD5 hash:	aa2b5496fdbfd88e38791ab81f90b95b

Description:	Adversaries may delete files left behind by the actions of their intrusion activity. Malware, tools, or other non-native files dropped or created on a system by an adversary (ex: Ingress Tool Transfer ) may leave traces to indicate to what was done within a network and how. Removal of these files can occur during an intrusion, or as part of a post-intrusion process to minimize the adversary's footprint.
Tactics:	Defense Evasion
Data Sources:	Command: Command Execution, File: File Deletion
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

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 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 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 arm.elf

Overview

General Information

Detection

Signatures

Classification

General Information

Warnings

Runtime Messages

Process Tree

Malware Threat Intel

Yara Signatures

Initial Sample

Memory Dumps

Suricata Signatures

Joe Sandbox Signatures

AV Detection

Networking

System Summary

Persistence and Installation Behavior

Hooking and other Techniques for Hiding and Protection

Malware Analysis System Evasion

Stealing of Sensitive Information

Remote Access Functionality

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

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: arm.elf PID: 6253, Parent PID: 6178

General

Chronological Activities

Analysis Process: arm.elf PID: 6255, Parent PID: 6253

General

Chronological Activities

Analysis Process: arm.elf PID: 6257, Parent PID: 6255

General

Chronological Activities

Analysis Process: arm.elf PID: 6259, Parent PID: 6255

General

Chronological Activities

Analysis Process: arm.elf PID: 6261, Parent PID: 6259

General

Chronological Activities

Linux Analysis Report
arm.elf