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Linux Analysis Report
dlr.mips.elf

Overview

General Information

Sample name:	dlr.mips.elf
Analysis ID:	1644398
MD5:	9f69d08fff02a6f6d662cf5ebd9c1a62
SHA1:	7a8e6c5a726b65fe55b5f4b1f333e39ab45dfc90
SHA256:	64c0dd972035004f152cc54b3f5953f2949f9f5290f2a88c04f265181e8c4b9f
Tags:	elfuser-abuse_ch
Infos:

Detection

Score:	48
Range:	0 - 100

Signatures

Multi AV Scanner detection for submitted file

Creates hidden files and/or directories

Creates hidden files without content (potentially used as a mutex)

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

HTTP GET or POST without a user agent

Sample has stripped symbol table

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

Classification

General Information

Joe Sandbox version:	42.0.0 Malachite
Analysis ID:	1644398
Start date and time:	2025-03-20 14:59:30 +01:00
Joe Sandbox product:	CloudBasic
Overall analysis duration:	0h 4m 54s
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:	dlr.mips.elf
Detection:	MAL
Classification:	mal48.linELF@0/0@0/0

Runtime Messages

Command:	/tmp/dlr.mips.elf
PID:	6214
Exit Code:	4
Exit Code Info:
Killed:	False
Standard Output:	AAA
Standard Error:

Process Tree

system is lnxubuntu20

dlr.mips.elf (PID: 6214, Parent: 6128, MD5: 0083f1f0e77be34ad27f849842bbb00c) Arguments: /tmp/dlr.mips.elf

dash New Fork (PID: 6278, Parent: 4331)

rm (PID: 6278, Parent: 4331, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.Pzj7xF1KBg /tmp/tmp.3CcpYcuW6j /tmp/tmp.AJ0opTZFVS

dash New Fork (PID: 6279, Parent: 4331)

rm (PID: 6279, Parent: 4331, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.Pzj7xF1KBg /tmp/tmp.3CcpYcuW6j /tmp/tmp.AJ0opTZFVS

cleanup

Yara Signatures

⊘No yara matches

Suricata Signatures

⊘No Suricata rule has matched

Joe Sandbox Signatures

• AV Detection
• Networking
• System Summary
• Persistence and Installation Behavior
• Malware Analysis System Evasion

Click to jump to signature section

Show All Signature Results

AV Detection

Multi AV Scanner detection for submitted file

Source: dlr.mips.elf	Virustotal: Detection: 29%			Perma Link
Source: dlr.mips.elf	ReversingLabs: Detection: 38%

Source: global traffic

HTTP traffic detected: GET /bins/mips HTTP/Data Raw: Data Ascii:

Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown	TCP traffic detected without corresponding DNS query: 156.253.227.12
Source: unknown	TCP traffic detected without corresponding DNS query: 156.253.227.12
Source: unknown	TCP traffic detected without corresponding DNS query: 156.253.227.12
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: 156.253.227.12
Source: unknown	TCP traffic detected without corresponding DNS query: 156.253.227.12
Source: unknown	TCP traffic detected without corresponding DNS query: 34.249.145.219
Source: unknown	TCP traffic detected without corresponding DNS query: 34.249.145.219
Source: unknown	TCP traffic detected without corresponding DNS query: 34.249.145.219
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: 34.249.145.219

Source: global traffic

HTTP traffic detected: GET /bins/mips HTTP/Data Raw: Data Ascii:

Source: unknown	Network traffic detected: HTTP traffic on port 39244 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 39244
Source: unknown	Network traffic detected: HTTP traffic on port 43928 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 42836 -> 443

Source: ELF static info symbol of initial sample

.symtab present: no

Source: classification engine

Classification label: mal48.linELF@0/0@0/0

Source: /tmp/dlr.mips.elf (PID: 6214)

File: /tmp/.2351

Jump to behavior

Source: /tmp/dlr.mips.elf (PID: 6214)

Empty hidden file: /tmp/.2351

Jump to behavior

Source: /usr/bin/dash (PID: 6278)	Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.Pzj7xF1KBg /tmp/tmp.3CcpYcuW6j /tmp/tmp.AJ0opTZFVS			Jump to behavior
Source: /usr/bin/dash (PID: 6279)	Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.Pzj7xF1KBg /tmp/tmp.3CcpYcuW6j /tmp/tmp.AJ0opTZFVS			Jump to behavior

Source: /tmp/dlr.mips.elf (PID: 6214)

Queries kernel information via 'uname':

Jump to behavior

Source: dlr.mips.elf, 6214.1.000056507c961000.000056507c9e8000.rw-.sdmp	Binary or memory string: /etc/qemu-binfmt/mips
Source: dlr.mips.elf, 6214.1.000056507c961000.000056507c9e8000.rw-.sdmp	Binary or memory string: \|PV!/etc/qemu-binfmt/mips
Source: dlr.mips.elf, 6214.1.00007ffca8b30000.00007ffca8b51000.rw-.sdmp	Binary or memory string: /usr/bin/qemu-mips
Source: dlr.mips.elf, 6214.1.00007ffca8b30000.00007ffca8b51000.rw-.sdmp	Binary or memory string: x86_64/usr/bin/qemu-mips/tmp/dlr.mips.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/dlr.mips.elf

Mitre Att&ck Matrix

Reconnaissance	Resource Development	Initial Access	Execution	Persistence	Privilege Escalation	Defense Evasion	Credential Access	Discovery	Lateral Movement	Collection	Command and Control	Exfiltration	Impact
Gather Victim Identity Information	Acquire Infrastructure	Valid Accounts	Windows Management Instrumentation	Path Interception	Path Interception	1 Hide Artifacts	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	1 Hidden Files and Directories	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)	1 File Deletion	Security Account Manager	Query Registry	SMB/Windows Admin Shares	Data from Network Shared Drive	2 Application Layer Protocol	Automated Exfiltration	Data Encrypted for Impact
Employee Names	Virtual Private Server	Local Accounts	Cron	Login Hook	Login Hook	Binary Padding	NTDS	System Network Configuration Discovery	Distributed Component Object Model	Input Capture	1 Ingress Tool Transfer	Traffic Duplication	Data Destruction

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
dlr.mips.elf	29%	Virustotal		Browse
dlr.mips.elf	39%	ReversingLabs	Linux.Downloader.Mirai

Dropped Files

⊘No Antivirus matches

Domains

⊘No Antivirus matches

URLs

⊘No Antivirus matches

Domains and IPs

Download Network PCAP: filtered – full

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
34.249.145.219	unknown	United States	16509	AMAZON-02US	false
109.202.202.202	unknown	Switzerland	13030	INIT7CH	false
156.253.227.12	unknown	Seychelles	132839	POWERLINE-AS-APPOWERLINEDATACENTERHK	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
34.249.145.219	dlr.arm.elf	Get hash	malicious	Unknown	Browse
	na.elf	Get hash	malicious	Prometei	Browse
	hoho.armv6l.elf	Get hash	malicious	Unknown	Browse
	Space.ppc.elf	Get hash	malicious	Unknown	Browse
	Space.m68k.elf	Get hash	malicious	Mirai	Browse
	mips.elf	Get hash	malicious	Unknown	Browse
	psmpsl.elf	Get hash	malicious	Unknown	Browse
	yakuza.sh4.elf	Get hash	malicious	Gafgyt, Mirai	Browse
	.5r3fqt67ew531has4231.mpsl.elf	Get hash	malicious	Unknown	Browse
	.5r3fqt67ew531has4231.ppc.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	dlr.arm.elf	Get hash	malicious	Unknown	Browse
	mipsel.elf	Get hash	malicious	Gafgyt, Mirai	Browse
	na.elf	Get hash	malicious	Prometei	Browse
	ppc.elf	Get hash	malicious	Unknown	Browse
	hoho.armv6l.elf	Get hash	malicious	Unknown	Browse
	hoho.powerpc.elf	Get hash	malicious	Unknown	Browse
	Space.ppc.elf	Get hash	malicious	Unknown	Browse
	686i.elf	Get hash	malicious	Unknown	Browse
	Space.sh4.elf	Get hash	malicious	Unknown	Browse
	Space.m68k.elf	Get hash	malicious	Mirai	Browse
91.189.91.42	dlr.arm.elf	Get hash	malicious	Unknown	Browse
	mipsel.elf	Get hash	malicious	Gafgyt, Mirai	Browse
	na.elf	Get hash	malicious	Prometei	Browse
	ppc.elf	Get hash	malicious	Unknown	Browse
	hoho.armv6l.elf	Get hash	malicious	Unknown	Browse
	hoho.powerpc.elf	Get hash	malicious	Unknown	Browse
	Space.ppc.elf	Get hash	malicious	Unknown	Browse
	686i.elf	Get hash	malicious	Unknown	Browse
	Space.sh4.elf	Get hash	malicious	Unknown	Browse
	Space.m68k.elf	Get hash	malicious	Mirai	Browse

Domains

⊘No context

ASNs

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link	Context
CANONICAL-ASGB	dlr.arm.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	mipsel.elf	Get hash	malicious	Gafgyt, Mirai	Browse	91.189.91.42
	na.elf	Get hash	malicious	Prometei	Browse	91.189.91.42
	hiss.mips.elf	Get hash	malicious	Unknown	Browse	185.125.190.26
	na.elf	Get hash	malicious	Prometei	Browse	185.125.190.26
	na.elf	Get hash	malicious	Prometei	Browse	185.125.190.26
	ppc.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	na.elf	Get hash	malicious	Prometei	Browse	185.125.190.26
	na.elf	Get hash	malicious	Prometei	Browse	185.125.190.26
	hoho.armv6l.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
INIT7CH	dlr.arm.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	mipsel.elf	Get hash	malicious	Gafgyt, Mirai	Browse	109.202.202.202
	na.elf	Get hash	malicious	Prometei	Browse	109.202.202.202
	ppc.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	hoho.armv6l.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	hoho.powerpc.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	Space.ppc.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	686i.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	Space.sh4.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	Space.m68k.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
AMAZON-02US	x86_64.elf	Get hash	malicious	Mirai	Browse	52.78.126.253
	dlr.arm.elf	Get hash	malicious	Unknown	Browse	34.249.145.219
	https://drive.google.com/file/d/1YZImPeFy9OTIvMvYmUyiIlXPlnFTsmR2/view?usp=sharing	Get hash	malicious	Unknown	Browse	54.231.203.201
	https://krunk.basalikum.top/	Get hash	malicious	HTMLPhisher	Browse	108.138.106.84
	https://eu.knowbe4.com/ui/login/dG9stLnBoaWsxsaXBzQHglmbWsVwmLmNvmbQ==	Get hash	malicious	KnowBe4	Browse	13.225.63.110
	i686.elf	Get hash	malicious	Gafgyt, Mirai	Browse	54.217.10.153
	na.elf	Get hash	malicious	Prometei	Browse	54.255.164.76
	miner.elf	Get hash	malicious	Unknown	Browse	34.254.182.186
	https://protect2.fireeye.com/v1/url?k=31323334-501d2dca-3114f648-454455534531-f18bcc46852af03b&q=1&e=a5b004d0-9ad2-44a3-a203-9d7fb71ea4db&u=https%3A%2F%2Fhyj48i39.s3.us-east-1.amazonaws.com%2Fdocnwhdheb.html	Get hash	malicious	HTMLPhisher	Browse	108.138.106.48
	arm5.elf	Get hash	malicious	Unknown	Browse	54.171.230.55
POWERLINE-AS-APPOWERLINEDATACENTERHK	hoho.sparc.elf	Get hash	malicious	Unknown	Browse	45.202.220.126
	dokument wysy#U00c5 kowy faktury nr 52-FK-25.js	Get hash	malicious	FormBook	Browse	45.202.215.236
	dokument wysy#U00c5 kowy faktury nr 52-FK-25.js	Get hash	malicious	FormBook	Browse	45.202.215.236
	EU-Business-Register 2024-2025#U00b7pdf.vbs	Get hash	malicious	FormBook, GuLoader	Browse	160.124.31.74
	ID2025-019#U00b7pdf.vbs	Get hash	malicious	FormBook, GuLoader	Browse	160.124.31.74
	PE2025-019#U00b7pdf.vbs	Get hash	malicious	FormBook, GuLoader	Browse	160.124.31.74
	splspc.elf	Get hash	malicious	Unknown	Browse	154.193.113.237
	http://www.go2-etax.saprosma.com	Get hash	malicious	Unknown	Browse	45.202.210.110
	http://prim-loginetax.pedicsh.com	Get hash	malicious	Unknown	Browse	45.202.210.110
	http://www.appprim-etax.ottbgoh.com	Get hash	malicious	Unknown	Browse	45.202.210.110

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, MIPS, MIPS-I version 1 (SYSV), statically linked, stripped
Entropy (8bit):	4.652679624186189
TrID:	ELF Executable and Linkable format (Linux) (4029/14) 50.16% ELF Executable and Linkable format (generic) (4004/1) 49.84%
File name:	dlr.mips.elf
File size:	2'000 bytes
MD5:	9f69d08fff02a6f6d662cf5ebd9c1a62
SHA1:	7a8e6c5a726b65fe55b5f4b1f333e39ab45dfc90
SHA256:	64c0dd972035004f152cc54b3f5953f2949f9f5290f2a88c04f265181e8c4b9f
SHA512:	c6c4f3fdd5cdb6438ad8984c9cd09bb1f52e36b2e5bc859ef308386a391c337cc005cac263e2aaf6325f7da551691709afb33cd6d2c1613d745a2ce12f6fe8d2
SSDEEP:	24:3+jMdb5jl8AmslI3t8AmypR/z2Hz7llPWqtWB4u37I8pagDdz3N9l5zBkEp7iPhr:Oji5E4GYg2HzxQ1EgD/9LuEpExn3meBl
TLSH:	BA41E28A1F715EF9F55AD53887370B3977AE514843C04289E19CEA006EC530D89DF7D9
File Content Preview:	.ELF.....................@.....4.........4. ...(.............@...@.....$...$...............0.D.0.D.0...T...p........dt.Q........................................0.....,...&... %0...0..... %.........D.%<...'..X...!...\..(!. ..$...<...'..<...!...\..(!. ..$..

Static ELF Info

ELF header
Class:	ELF32
Data:	2's complement, big endian
Version:	1 (current)
Machine:	MIPS R3000
Version Number:	0x1
Type:	EXEC (Executable file)
OS/ABI:	UNIX - System V
ABI Version:	0
Entry Point Address:	0x4004c0
Flags:	0x1007
ELF Header Size:	52
Program Header Offset:	52
Program Header Size:	32
Number of Program Headers:	3
Section Header Offset:	1720
Section Header Size:	40
Number of Section Headers:	7
Header String Table Index:	6

Sections

Name	Type	Address	Offset	Size	EntSize	Flags	Flags Description	Align
	NULL	0x0	0x0	0x0	0x0	0x0		0
.text	PROGBITS	0x4000a0	0xa0	0x540	0x0	0x6	AX	16
.rodata	PROGBITS	0x4005e0	0x5e0	0x44	0x1	0x32	AMS	4
.got	PROGBITS	0x440630	0x630	0x54	0x4	0x10000003	WAp	16
.bss	NOBITS	0x440690	0x684	0x10	0x0	0x3	WA	16
.mdebug.abi32	PROGBITS	0x48	0x684	0x0	0x0	0x0		1
.shstrtab	STRTAB	0x0	0x684	0x31	0x0	0x0		1

Program Segments

Type	Offset	Virtual Address	Physical Address	File Size	Memory Size	Entropy	Flags	Flags Description	Align	Section Mappings
LOAD	0x0	0x400000	0x400000	0x624	0x624	4.9662	0x5	R E	0x10000	.text .rodata
LOAD	0x630	0x440630	0x440630	0x54	0x70	2.4334	0x6	RW	0x10000	.got .bss
GNU_STACK	0x0	0x0	0x0	0x0	0x0	0.0000	0x7	RWE	0x4

Network Behavior

Download Network PCAP: filtered – full

Network Port Distribution

Total Packets: 16
• 443 (HTTPS)
• 80 (HTTP)

TCP Packets

Timestamp	Source Port	Dest Port	Source IP	Dest IP
Mar 20, 2025 15:00:11.321365118 CET	43928	443	192.168.2.23	91.189.91.42
Mar 20, 2025 15:00:11.658289909 CET	52558	80	192.168.2.23	156.253.227.12
Mar 20, 2025 15:00:11.825907946 CET	80	52558	156.253.227.12	192.168.2.23
Mar 20, 2025 15:00:11.826064110 CET	52558	80	192.168.2.23	156.253.227.12
Mar 20, 2025 15:00:11.827133894 CET	52558	80	192.168.2.23	156.253.227.12
Mar 20, 2025 15:00:11.999526978 CET	80	52558	156.253.227.12	192.168.2.23
Mar 20, 2025 15:00:16.696662903 CET	42836	443	192.168.2.23	91.189.91.43
Mar 20, 2025 15:00:18.488432884 CET	42516	80	192.168.2.23	109.202.202.202
Mar 20, 2025 15:00:31.286572933 CET	43928	443	192.168.2.23	91.189.91.42
Mar 20, 2025 15:00:32.898943901 CET	80	52558	156.253.227.12	192.168.2.23
Mar 20, 2025 15:00:32.902295113 CET	52558	80	192.168.2.23	156.253.227.12
Mar 20, 2025 15:00:33.035973072 CET	52558	80	192.168.2.23	156.253.227.12
Mar 20, 2025 15:00:33.203061104 CET	80	52558	156.253.227.12	192.168.2.23
Mar 20, 2025 15:00:36.520909071 CET	39244	443	192.168.2.23	34.249.145.219
Mar 20, 2025 15:00:36.521017075 CET	443	39244	34.249.145.219	192.168.2.23
Mar 20, 2025 15:00:36.521106958 CET	39244	443	192.168.2.23	34.249.145.219
Mar 20, 2025 15:00:36.521322012 CET	39244	443	192.168.2.23	34.249.145.219
Mar 20, 2025 15:00:36.521342993 CET	443	39244	34.249.145.219	192.168.2.23
Mar 20, 2025 15:00:43.572989941 CET	42836	443	192.168.2.23	91.189.91.43
Mar 20, 2025 15:00:49.716001987 CET	42516	80	192.168.2.23	109.202.202.202
Mar 20, 2025 15:01:12.240784883 CET	43928	443	192.168.2.23	91.189.91.42
Mar 20, 2025 15:01:36.513217926 CET	39244	443	192.168.2.23	34.249.145.219
Mar 20, 2025 15:01:36.560319901 CET	443	39244	34.249.145.219	192.168.2.23

HTTP Packets

Session ID	Source IP	Source Port	Destination IP	Destination Port
0	192.168.2.23	52558	156.253.227.12	80

Timestamp	Bytes transferred	Direction	Data
Mar 20, 2025 15:00:11.827133894 CET	33	OUT	GET /bins/mips HTTP/ Data Raw: Data Ascii:

System Behavior

Analysis Process: dlr.mips.elf PID: 6214, Parent PID: 6128

General

Start time (UTC):	14:00:10
Start date (UTC):	20/03/2025
Path:	/tmp/dlr.mips.elf
Arguments:	/tmp/dlr.mips.elf
File size:	5777432 bytes
MD5 hash:	0083f1f0e77be34ad27f849842bbb00c

File Activities

File Opened

File Read

Process Activities

Thread Sleep

System Activities

Query System Information (uname)

Network Activities

Socket Connecting

Chronological Activities

Analysis Process: dash PID: 6278, Parent PID: 4331

General

Start time (UTC):	14:01:35
Start date (UTC):	20/03/2025
Path:	/usr/bin/dash
Arguments:	-
File size:	129816 bytes
MD5 hash:	1e6b1c887c59a315edb7eb9a315fc84c

Process Activities

Process Overlayed (Exec)

Chronological Activities

Analysis Process: rm PID: 6278, Parent PID: 4331

General

Start time (UTC):	14:01:35
Start date (UTC):	20/03/2025
Path:	/usr/bin/rm
Arguments:	rm -f /tmp/tmp.Pzj7xF1KBg /tmp/tmp.3CcpYcuW6j /tmp/tmp.AJ0opTZFVS
File size:	72056 bytes
MD5 hash:	aa2b5496fdbfd88e38791ab81f90b95b

File Activities

File Opened

File Deleted

File Read

Chronological Activities

Analysis Process: dash PID: 6279, Parent PID: 4331

General

Start time (UTC):	14:01:35
Start date (UTC):	20/03/2025
Path:	/usr/bin/dash
Arguments:	-
File size:	129816 bytes
MD5 hash:	1e6b1c887c59a315edb7eb9a315fc84c

Process Activities

Process Overlayed (Exec)

Chronological Activities

Analysis Process: rm PID: 6279, Parent PID: 4331

General

Start time (UTC):	14:01:35
Start date (UTC):	20/03/2025
Path:	/usr/bin/rm
Arguments:	rm -f /tmp/tmp.Pzj7xF1KBg /tmp/tmp.3CcpYcuW6j /tmp/tmp.AJ0opTZFVS
File size:	72056 bytes
MD5 hash:	aa2b5496fdbfd88e38791ab81f90b95b

Description:	Adversaries may attempt to hide artifacts associated with their behaviors to evade detection. Operating systems may have features to hide various artifacts, such as important system files and administrative task execution, to avoid disrupting user work environments and prevent users from changing files or features on the system. Adversaries may abuse these features to hide artifacts such as files, directories, user accounts, or other system activity to evade detection.
Tactics:	Defense Evasion
Data Sources:	Application Log: Application Log Content, Command: Command Execution, File: File Creation, File: File Metadata, File: File Modification, Firmware: Firmware Modification, Process: OS API Execution, Process: Process Creation, Script: Script Execution, Service: Service Creation, User Account: User Account Creation, User Account: User Account Metadata, Windows Registry: Windows Registry Key Modification
Platforms:	Linux, macOS, Office 365, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may set files and directories to be hidden to evade detection mechanisms. To prevent normal users from accidentally changing special files on a system, most operating systems have the concept of a ‘hidden’ file. These files don’t show up when a user browses the file system with a GUI or when using normal commands on the command line. Users must explicitly ask to show the hidden files either via a series of Graphical User Interface (GUI) prompts or with command line switches ( `dir /a` for Windows and `ls –a` for Linux and macOS).
Tactics:	Defense Evasion
Data Sources:	Command: Command Execution, File: File Creation, File: File Metadata, Process: Process Creation
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

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 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

Description:	Adversaries may transfer tools or other files from an external system into a compromised environment. Tools or files may be copied from an external adversary-controlled system to the victim network through the command and control channel or through alternate protocols such as ftp . Once present, adversaries may also transfer/spread tools between victim devices within a compromised environment (i.e. Lateral Tool Transfer ).
Tactics:	Command and Control
Data Sources:	Command: Command Execution, File: File Creation, Network Traffic: Network Connection Creation, 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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Linux Analysis Report dlr.mips.elf

Overview

General Information

Detection

Signatures

Classification

General Information

Runtime Messages

Process Tree

Yara Signatures

Suricata Signatures

Joe Sandbox Signatures

AV Detection

Networking

System Summary

Persistence and Installation Behavior

Malware Analysis System Evasion

Mitre Att&ck Matrix

Malware Configuration

Behavior Graph

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

Dropped Files

Domains

URLs

Domains and IPs

Contacted Domains

World Map of Contacted IPs

Public IPs

Joe Sandbox View / Context

IPs

Domains

ASNs

JA3 Fingerprints

Dropped Files

Created / dropped Files

Static File Info

General

Static ELF Info

ELF header

Sections

Program Segments

Network Behavior

Network Port Distribution

TCP Packets

HTTP Packets

System Behavior

Analysis Process: dlr.mips.elf PID: 6214, Parent PID: 6128

General

File Activities

File Opened

File Read

Process Activities

Thread Sleep

System Activities

Query System Information (uname)

Network Activities

Socket Connecting

Chronological Activities

Analysis Process: dash PID: 6278, Parent PID: 4331

General

Process Activities

Process Overlayed (Exec)

Chronological Activities

Analysis Process: rm PID: 6278, Parent PID: 4331

General

File Activities

File Opened

File Deleted

File Read

Chronological Activities

Analysis Process: dash PID: 6279, Parent PID: 4331

General

Linux Analysis Report
dlr.mips.elf