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Linux Analysis Report
arm7.elf

Overview

General Information

Sample name:	arm7.elf
Analysis ID:	1588116
MD5:	c8f3f0cc9044728270f178b6b4fe092d
SHA1:	2c7061884b9da8775e127ae076e0baf41af07126
SHA256:	5e5603d02cb70575a74a8d2668533e4e1f4a51fa1541c12e7440fbfa7123bdfe
Tags:	elfuser-abuse_ch
Infos:

Detection

Mirai

Score:	76
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

Sample deletes itself

Detected TCP or UDP traffic on non-standard ports

Sample has stripped symbol table

Sample listens on a socket

Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)

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

Yara signature match

Classification

General Information

Joe Sandbox version:	42.0.0 Malachite
Analysis ID:	1588116
Start date and time:	2025-01-10 21:31:01 +01:00
Joe Sandbox product:	CloudBasic
Overall analysis duration:	0h 4m 40s
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:	arm7.elf
Detection:	MAL
Classification:	mal76.troj.evad.linELF@0/0@0/0

Runtime Messages

Command:	/tmp/arm7.elf
PID:	6244
Exit Code:	0
Exit Code Info:
Killed:	False
Standard Output:	wormbot
Standard Error:

Process Tree

system is lnxubuntu20

arm7.elf (PID: 6244, Parent: 6165, MD5: 5ebfcae4fe2471fcc5695c2394773ff1) Arguments: /tmp/arm7.elf

arm7.elf New Fork (PID: 6246, Parent: 6244)

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

Yara Signatures

Initial Sample

Source	Rule	Description	Author	Strings
arm7.elf	JoeSecurity_Mirai_8	Yara detected Mirai	Joe Security
arm7.elf	Linux_Trojan_Gafgyt_28a2fe0c	unknown	unknown	0x12004:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x12018:$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 0x1202c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x12040:$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 0x12054:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x12068:$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 0x1207c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x12090:$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 0x120a4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x120b8:$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 0x120cc:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x120e0:$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 0x120f4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x12108:$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 0x1211c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x12130:$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 0x12144:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x12158:$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 0x1216c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x12180:$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 0x12194:$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
6244.1.00007fdcf0017000.00007fdcf002b000.r-x.sdmp	JoeSecurity_Mirai_8	Yara detected Mirai	Joe Security
6244.1.00007fdcf0017000.00007fdcf002b000.r-x.sdmp	Linux_Trojan_Gafgyt_28a2fe0c	unknown	unknown	0x12004:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x12018:$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 0x1202c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x12040:$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 0x12054:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x12068:$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 0x1207c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x12090:$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 0x120a4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x120b8:$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 0x120cc:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x120e0:$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 0x120f4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x12108:$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 0x1211c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x12130:$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 0x12144:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x12158:$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 0x1216c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x12180:$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 0x12194:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
Process Memory Space: arm7.elf PID: 6244	JoeSecurity_Mirai_8	Yara detected Mirai	Joe Security
Process Memory Space: arm7.elf PID: 6244	Linux_Trojan_Gafgyt_28a2fe0c	unknown	unknown	0x15a33:$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 0x15a47:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15a5b:$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 0x15a6f:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15a83:$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 0x15a97:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15aab:$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 0x15abf:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15ad3:$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 0x15ae7:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15afb:$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 0x15b0f:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15b23:$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 0x15b37:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15b4b:$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 0x15b5f:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15b73:$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 0x15b87:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15b9b:$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 0x15baf:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x15bc3:$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

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: arm7.elf

Avira: detected

Multi AV Scanner detection for submitted file

Source: arm7.elf	Virustotal: Detection: 34%			Perma Link
Source: arm7.elf	ReversingLabs: Detection: 36%

Source: global traffic

TCP traffic: 192.168.2.23:39350 -> 85.239.34.134:999

Source: /tmp/arm7.elf (PID: 6244)

Socket: 127.0.0.1:7567

Jump to behavior

Source: global traffic	TCP traffic: 192.168.2.23:43928 -> 91.189.91.42:443
Source: global traffic	TCP traffic: 192.168.2.23:42836 -> 91.189.91.43:443
Source: global traffic	TCP traffic: 192.168.2.23:42516 -> 109.202.202.202:80

Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown	TCP traffic detected without corresponding DNS query: 85.239.34.134
Source: unknown	TCP traffic detected without corresponding DNS query: 85.239.34.134
Source: unknown	TCP traffic detected without corresponding DNS query: 85.239.34.134
Source: unknown	TCP traffic detected without corresponding DNS query: 85.239.34.134
Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknown	TCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknown	TCP traffic detected without corresponding DNS query: 85.239.34.134
Source: unknown	TCP traffic detected without corresponding DNS query: 85.239.34.134
Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknown	TCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown	TCP traffic detected without corresponding DNS query: 85.239.34.134
Source: unknown	TCP traffic detected without corresponding DNS query: 85.239.34.134

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

System Summary

Malicious sample detected (through community Yara rule)

Source: arm7.elf, type: SAMPLE	Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: 6244.1.00007fdcf0017000.00007fdcf002b000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: Process Memory Space: arm7.elf PID: 6244, type: MEMORYSTR	Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown

Source: ELF static info symbol of initial sample

.symtab present: no

Source: arm7.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: 6244.1.00007fdcf0017000.00007fdcf002b000.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: arm7.elf PID: 6244, 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: mal76.troj.evad.linELF@0/0@0/0

Hooking and other Techniques for Hiding and Protection

Sample deletes itself

Source: /tmp/arm7.elf (PID: 6244)

File: /tmp/arm7.elf

Jump to behavior

Source: /tmp/arm7.elf (PID: 6244)

Queries kernel information via 'uname':

Jump to behavior

Source: arm7.elf, 6244.1.0000563273da5000.0000563273ef4000.rw-.sdmp	Binary or memory string: s2V!/etc/qemu-binfmt/arm
Source: arm7.elf, 6244.1.0000563273da5000.0000563273ef4000.rw-.sdmp	Binary or memory string: /etc/qemu-binfmt/arm
Source: arm7.elf, 6244.1.00007ffceb23a000.00007ffceb25b000.rw-.sdmp	Binary or memory string: /usr/bin/qemu-arm
Source: arm7.elf, 6244.1.00007ffceb23a000.00007ffceb25b000.rw-.sdmp	Binary or memory string: x86_64/usr/bin/qemu-arm/tmp/arm7.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/arm7.elf

Stealing of Sensitive Information

Yara detected Mirai

Source: Yara match	File source: arm7.elf, type: SAMPLE
Source: Yara match	File source: 6244.1.00007fdcf0017000.00007fdcf002b000.r-x.sdmp, type: MEMORY
Source: Yara match	File source: Process Memory Space: arm7.elf PID: 6244, type: MEMORYSTR

Remote Access Functionality

Yara detected Mirai

Source: Yara match	File source: arm7.elf, type: SAMPLE
Source: Yara match	File source: 6244.1.00007fdcf0017000.00007fdcf002b000.r-x.sdmp, type: MEMORY
Source: Yara match	File source: Process Memory Space: arm7.elf PID: 6244, 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	1 File Deletion	OS Credential Dumping	11 Security Software Discovery	Remote Services	Data from Local System	1 Encrypted Channel	Exfiltration Over Other Network Medium	Abuse Accessibility Features
Credentials	Domains	Default Accounts	Scheduled Task/Job	Boot or Logon Initialization Scripts	Boot or Logon Initialization Scripts	Rootkit	LSASS Memory	Application Window Discovery	Remote Desktop Protocol	Data from Removable Media	1 Non-Standard Port	Exfiltration Over Bluetooth	Network Denial of Service
Email Addresses	DNS Server	Domain Accounts	At	Logon Script (Windows)	Logon Script (Windows)	Obfuscated Files or Information	Security Account Manager	Query Registry	SMB/Windows Admin Shares	Data from Network Shared Drive	1 Application Layer Protocol	Automated Exfiltration	Data Encrypted for Impact

Malware Configuration

⊘No configs have been found

Behavior Graph

Hide Legend

Legend:

Process
Signature
Created File
DNS/IP Info
Is Dropped
Number of created Files
Is malicious
Internet

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

Source	Detection	Scanner	Label	Link
arm7.elf	34%	Virustotal		Browse
arm7.elf	37%	ReversingLabs	Linux.Backdoor.Mirai
arm7.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

⊘No contacted domains info

World Map of Contacted IPs

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

Public IPs

IP	Domain	Country	ASN	ASN Name	Malicious
85.239.34.134	unknown	Russian Federation	134121	RAINBOW-HKRainbownetworklimitedHK	false
109.202.202.202	unknown	Switzerland	13030	INIT7CH	false
91.189.91.43	unknown	United Kingdom	41231	CANONICAL-ASGB	false
91.189.91.42	unknown	United Kingdom	41231	CANONICAL-ASGB	false

Joe Sandbox View / Context

IPs

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link	Context
85.239.34.134	arm.elf	Get hash	malicious	Unknown	Browse
	arm7.elf	Get hash	malicious	Unknown	Browse
	x86.elf	Get hash	malicious	Unknown	Browse
	154.216.17.162-arm-2025-01-09T02_53_12.elf	Get hash	malicious	Unknown	Browse
	ppc.elf	Get hash	malicious	Unknown	Browse
	x86.elf	Get hash	malicious	Unknown	Browse
	mpsl.elf	Get hash	malicious	Unknown	Browse
	m68k.elf	Get hash	malicious	Unknown	Browse
	arm6.elf	Get hash	malicious	Unknown	Browse
	mips.elf	Get hash	malicious	Unknown	Browse
109.202.202.202	kpLwzBouH4.elf	Get hash	malicious	Unknown	Browse	ch.archive.ubuntu.com/ubuntu/pool/main/f/firefox/firefox_92.0%2bbuild3-0ubuntu0.20.04.1_amd64.deb
91.189.91.43	ssy.elf	Get hash	malicious	Gafgyt	Browse
	UnHAnaAW.mpsl.elf	Get hash	malicious	Mirai	Browse
	UnHAnaAW.sh4.elf	Get hash	malicious	Mirai	Browse
	wrjkngh4.elf	Get hash	malicious	Unknown	Browse
	fqkjei686.elf	Get hash	malicious	Unknown	Browse
	ngwa5.elf	Get hash	malicious	Unknown	Browse
	wev86.elf	Get hash	malicious	Unknown	Browse
	main_arm5.elf	Get hash	malicious	Mirai	Browse
	Space.i686.elf	Get hash	malicious	Unknown	Browse
	frosty.arm7.elf	Get hash	malicious	Mirai	Browse

Domains

⊘No context

ASNs

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link	Context
RAINBOW-HKRainbownetworklimitedHK	arm.elf	Get hash	malicious	Unknown	Browse	85.239.34.134
	arm7.elf	Get hash	malicious	Unknown	Browse	85.239.34.134
	x86.elf	Get hash	malicious	Unknown	Browse	85.239.34.134
	154.216.17.162-arm-2025-01-09T02_53_12.elf	Get hash	malicious	Unknown	Browse	85.239.34.134
	ppc.elf	Get hash	malicious	Unknown	Browse	85.239.34.134
	x86.elf	Get hash	malicious	Unknown	Browse	85.239.34.134
	mpsl.elf	Get hash	malicious	Unknown	Browse	85.239.34.134
	m68k.elf	Get hash	malicious	Unknown	Browse	85.239.34.134
	arm6.elf	Get hash	malicious	Unknown	Browse	85.239.34.134
	mips.elf	Get hash	malicious	Unknown	Browse	85.239.34.134
CANONICAL-ASGB	ssy.elf	Get hash	malicious	Gafgyt	Browse	91.189.91.42
	ssh.elf	Get hash	malicious	Gafgyt	Browse	185.125.190.26
	UnHAnaAW.mpsl.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	UnHAnaAW.arm7.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	UnHAnaAW.sh4.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	wrjkngh4.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	gnjqwpc.elf	Get hash	malicious	Unknown	Browse	185.125.190.26
	fqkjei686.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	ngwa5.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	wev86.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
INIT7CH	ssy.elf	Get hash	malicious	Gafgyt	Browse	109.202.202.202
	UnHAnaAW.mpsl.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	UnHAnaAW.arm7.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	UnHAnaAW.sh4.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	wrjkngh4.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	fqkjei686.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	ngwa5.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	wev86.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	main_arm5.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	Space.i686.elf	Get hash	malicious	Unknown	Browse	109.202.202.202

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, EABI4 version 1 (SYSV), statically linked, stripped
Entropy (8bit):	6.1256452830025525
TrID:	ELF Executable and Linkable format (generic) (4004/1) 100.00%
File name:	arm7.elf
File size:	82'132 bytes
MD5:	c8f3f0cc9044728270f178b6b4fe092d
SHA1:	2c7061884b9da8775e127ae076e0baf41af07126
SHA256:	5e5603d02cb70575a74a8d2668533e4e1f4a51fa1541c12e7440fbfa7123bdfe
SHA512:	52c264fe2c2c2458d46ba197d6eaa5dd544784df6ae44db2651f19ad279aa4d42b64153ef8afec651255af75258ffeb069bd0e73614b7d0895ecda8c522ad26f
SSDEEP:	1536:2znp+jV2eA14pNPj08BnaQHRBuqG7udlFFBiIzK1zuY7JkZ:FLMP8BnaCRBuqDFnzK1zumkZ
TLSH:	10833A59F8815B22D9D522BAFA5E018D33534BECE3EEB1129D205F2037C6A2B0E77D45
File Content Preview:	.ELF..............(.........4...T>......4. ...(........p.8...........................................9...9...............9..........4....3...............9..........................Q.td..................................-...L..................@-.,@...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:	UNIX - System V
ABI Version:	0
Entry Point Address:	0x8194
Flags:	0x4000002
ELF Header Size:	52
Program Header Offset:	52
Program Header Size:	32
Number of Program Headers:	5
Section Header Offset:	81492
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	0x11e28	0x0	0x6	AX	0	16
.fini	PROGBITS	0x19f18	0x11f18	0x10	0x0	0x6	AX	0	4
.rodata	PROGBITS	0x19f28	0x11f28	0x1950	0x0	0x2	A	0	8
.ARM.extab	PROGBITS	0x1b878	0x13878	0x18	0x0	0x2	A	0	4
.ARM.exidx	ARM_EXIDX	0x1b890	0x13890	0x118	0x0	0x82	AL	2	4
.eh_frame	PROGBITS	0x1c9a8	0x139a8	0x4	0x0	0x3	WA	0	4
.tbss	NOBITS	0x1c9ac	0x139ac	0x8	0x0	0x403	WAT	0	4
.init_array	INIT_ARRAY	0x1c9ac	0x139ac	0x4	0x0	0x3	WA	0	4
.fini_array	FINI_ARRAY	0x1c9b0	0x139b0	0x4	0x0	0x3	WA	0	4
.jcr	PROGBITS	0x1c9b4	0x139b4	0x4	0x0	0x3	WA	0	4
.got	PROGBITS	0x1c9b8	0x139b8	0xa8	0x4	0x3	WA	0	4
.data	PROGBITS	0x1ca60	0x13a60	0x37c	0x0	0x3	WA	0	4
.bss	NOBITS	0x1cddc	0x13ddc	0x2f70	0x0	0x3	WA	0	4
.shstrtab	STRTAB	0x0	0x13ddc	0x78	0x0	0x0		0	1

Program Segments

Type	Offset	Virtual Address	Physical Address	File Size	Memory Size	Entropy	Flags	Flags Description	Align	Section Mappings
EXIDX	0x13890	0x1b890	0x1b890	0x118	0x118	4.3637	0x4	R	0x4	.ARM.exidx
LOAD	0x0	0x8000	0x8000	0x139a8	0x139a8	6.1349	0x5	R E	0x1000	.init .text .fini .rodata .ARM.extab .ARM.exidx
LOAD	0x139a8	0x1c9a8	0x1c9a8	0x434	0x33a4	4.9636	0x6	RW	0x1000	.eh_frame .tbss .init_array .fini_array .jcr .got .data .bss
TLS	0x139ac	0x1c9ac	0x1c9ac	0x0	0x8	0.0000	0x4	R	0x4	.tbss
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
Jan 10, 2025 21:31:48.256146908 CET	43928	443	192.168.2.23	91.189.91.42
Jan 10, 2025 21:31:48.626537085 CET	39350	999	192.168.2.23	85.239.34.134
Jan 10, 2025 21:31:48.631479025 CET	999	39350	85.239.34.134	192.168.2.23
Jan 10, 2025 21:31:48.631555080 CET	39350	999	192.168.2.23	85.239.34.134
Jan 10, 2025 21:31:48.633661985 CET	39350	999	192.168.2.23	85.239.34.134
Jan 10, 2025 21:31:48.638449907 CET	999	39350	85.239.34.134	192.168.2.23
Jan 10, 2025 21:31:48.638500929 CET	39350	999	192.168.2.23	85.239.34.134
Jan 10, 2025 21:31:48.643322945 CET	999	39350	85.239.34.134	192.168.2.23
Jan 10, 2025 21:31:53.887413025 CET	42836	443	192.168.2.23	91.189.91.43
Jan 10, 2025 21:31:54.911346912 CET	42516	80	192.168.2.23	109.202.202.202
Jan 10, 2025 21:31:58.637032986 CET	39350	999	192.168.2.23	85.239.34.134
Jan 10, 2025 21:31:58.642040968 CET	999	39350	85.239.34.134	192.168.2.23
Jan 10, 2025 21:31:58.933821917 CET	999	39350	85.239.34.134	192.168.2.23
Jan 10, 2025 21:31:58.933976889 CET	39350	999	192.168.2.23	85.239.34.134
Jan 10, 2025 21:32:08.477500916 CET	43928	443	192.168.2.23	91.189.91.42
Jan 10, 2025 21:32:20.763700008 CET	42836	443	192.168.2.23	91.189.91.43
Jan 10, 2025 21:32:24.859319925 CET	42516	80	192.168.2.23	109.202.202.202
Jan 10, 2025 21:32:49.431679010 CET	43928	443	192.168.2.23	91.189.91.42
Jan 10, 2025 21:32:58.982868910 CET	39350	999	192.168.2.23	85.239.34.134
Jan 10, 2025 21:32:58.987627029 CET	999	39350	85.239.34.134	192.168.2.23
Jan 10, 2025 21:32:59.333204985 CET	999	39350	85.239.34.134	192.168.2.23
Jan 10, 2025 21:32:59.333468914 CET	39350	999	192.168.2.23	85.239.34.134

System Behavior

Analysis Process: arm7.elf PID: 6244, Parent PID: 6165

General

Start time (UTC):	20:31:47
Start date (UTC):	10/01/2025
Path:	/tmp/arm7.elf
Arguments:	/tmp/arm7.elf
File size:	4956856 bytes
MD5 hash:	5ebfcae4fe2471fcc5695c2394773ff1

Chronological Activities

Analysis Process: arm7.elf PID: 6246, Parent PID: 6244

General

Start time (UTC):	20:31:47
Start date (UTC):	10/01/2025
Path:	/tmp/arm7.elf
Arguments:	-
File size:	4956856 bytes
MD5 hash:	5ebfcae4fe2471fcc5695c2394773ff1

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 get a listing of security software, configurations, defensive tools, and sensors that are installed on a system or in a cloud environment. This may include things such as firewall rules and anti-virus. Adversaries may use the information from Security Software Discovery during automated discovery to shape follow-on behaviors, including whether or not the adversary fully infects the target and/or attempts specific actions.
Tactics:	Discovery
Data Sources:	Command: Command Execution, Firewall: Firewall Enumeration, Firewall: Firewall Metadata, Process: OS API Execution, Process: Process Creation
Platforms:	Azure AD, Google Workspace, IaaS, Linux, macOS, Office 365, SaaS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may employ a known encryption algorithm to conceal command and control traffic rather than relying on any inherent protections provided by a communication protocol. Despite the use of a secure algorithm, these implementations may be vulnerable to reverse engineering if secret keys are encoded and/or generated within malware samples/configuration files.
Tactics:	Command and Control
Data Sources:	Network Traffic: Network Traffic Content
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may communicate using a protocol and port pairing that are typically not associated. For example, HTTPS over port 8088or port 587as opposed to the traditional port 443. Adversaries may make changes to the standard port used by a protocol to bypass filtering or muddle analysis/parsing of network data.
Tactics:	Command and Control
Data Sources:	Network Traffic: Network Traffic Content, Network Traffic: Network Traffic Flow
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may communicate using OSI application layer protocols to avoid detection/network filtering by blending in with existing traffic. Commands to the remote system, and often the results of those commands, will be embedded within the protocol traffic between the client and server.
Tactics:	Command and Control
Data Sources:	Network Traffic: Network Traffic Content, Network Traffic: Network Traffic Flow
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Behavior Section

Behavior Chronological

Disassembly

Uncategorized

Graph

Loading Joe Sandbox Report ...

Warning!

Linux Analysis Report arm7.elf

Overview

General Information

Detection

Signatures

Classification

General Information

Runtime Messages

Process Tree

Malware Threat Intel

Yara Signatures

Initial Sample

Memory Dumps

Suricata Signatures

Joe Sandbox Signatures

AV Detection

Networking

System Summary

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

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

Dropped Files

Domains

URLs

Domains and IPs

Contacted Domains

World Map of Contacted IPs

Public IPs

Joe Sandbox View / Context

IPs

Domains

ASNs

JA3 Fingerprints

Dropped Files

Created / dropped Files

Static File Info

General

Static ELF Info

ELF header

Sections

Program Segments

Network Behavior

Network Port Distribution

TCP Packets

System Behavior

Analysis Process: arm7.elf PID: 6244, Parent PID: 6165

General

Chronological Activities

Analysis Process: arm7.elf PID: 6246, Parent PID: 6244

General

Chronological Activities

Linux Analysis Report
arm7.elf