Malware Analysis Report

2025-06-16 02:03

Sample ID 250221-tdz5navkcw
Target na.elf
SHA256 d3adee722dae9f13eea57a65c0a341f9eb74d4910fde948edf2eb0d26e835df9
Tags
upx prometei_elf botnet discovery miner persistence privilege_escalation
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

d3adee722dae9f13eea57a65c0a341f9eb74d4910fde948edf2eb0d26e835df9

Threat Level: Known bad

The file na.elf was found to be: Known bad.

Malicious Activity Summary

upx prometei_elf botnet discovery miner persistence privilege_escalation

Prometei

Prometei_elf family

Modifies hosts file

Deletes itself

Modifies systemd

Enumerates running processes

Write file to user bin folder

UPX packed file

Reads CPU attributes

Reads runtime system information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-02-21 15:57

Signatures

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-02-21 15:57

Reported

2025-02-21 15:59

Platform

ubuntu2204-amd64-20240729-en

Max time kernel

5s

Max time network

128s

Command Line

[/tmp/na.elf]

Signatures

Prometei

botnet miner prometei_elf

Prometei_elf family

prometei_elf

Deletes itself

Description Indicator Process Target
N/A N/A /tmp/na.elf N/A

Modifies hosts file

Description Indicator Process Target
File opened for modification /etc/hosts /tmp/na.elf N/A

Enumerates running processes

Modifies systemd

persistence privilege_escalation
Description Indicator Process Target
File opened for modification /lib/systemd/system/uplugplay.service /tmp/na.elf N/A

Write file to user bin folder

persistence
Description Indicator Process Target
File opened for modification /usr/sbin/uplugplay /tmp/na.elf N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A

Reads CPU attributes

discovery
Description Indicator Process Target
File opened for reading /sys/devices/system/cpu/online /usr/bin/pgrep N/A
File opened for reading /sys/devices/system/cpu/online /usr/bin/pgrep N/A
File opened for reading /sys/devices/system/cpu/online /usr/bin/pgrep N/A

Reads runtime system information

discovery
Description Indicator Process Target
File opened for reading /proc/218/status /usr/bin/pgrep N/A
File opened for reading /proc/10/status /usr/bin/pgrep N/A
File opened for reading /proc/222/status /usr/bin/pgrep N/A
File opened for reading /proc/592/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1168/status /usr/bin/pgrep N/A
File opened for reading /proc/1092/cmdline /usr/bin/pidof N/A
File opened for reading /proc/97/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1241/status /usr/bin/pgrep N/A
File opened for reading /proc/642/stat /usr/bin/pidof N/A
File opened for reading /proc/9/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/75/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/195/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/671/cmdline /usr/bin/pidof N/A
File opened for reading /proc/95/status /usr/bin/pgrep N/A
File opened for reading /proc/1574/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1059/status /usr/bin/pgrep N/A
File opened for reading /proc/1112/status /usr/bin/pgrep N/A
File opened for reading /proc/75/status /usr/bin/pgrep N/A
File opened for reading /proc/611/status /usr/bin/pgrep N/A
File opened for reading /proc/1148/status /usr/bin/pgrep N/A
File opened for reading /proc/74/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/744/status /usr/bin/pgrep N/A
File opened for reading /proc/874/status /usr/bin/pgrep N/A
File opened for reading /proc/1340/stat /usr/bin/pidof N/A
File opened for reading /proc/85/status /usr/bin/pgrep N/A
File opened for reading /proc/1171/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/24/stat /usr/bin/pidof N/A
File opened for reading /proc/80/status /usr/bin/pgrep N/A
File opened for reading /proc/1375/status /usr/bin/pgrep N/A
File opened for reading /proc/193/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/114/stat /usr/bin/pidof N/A
File opened for reading /proc/1174/status /usr/bin/pgrep N/A
File opened for reading /proc/671/stat /usr/bin/pidof N/A
File opened for reading /proc/1019/stat /usr/bin/pidof N/A
File opened for reading /proc/1075/status /usr/bin/pgrep N/A
File opened for reading /proc/1099/status /usr/bin/pgrep N/A
File opened for reading /proc/1092/cmdline /usr/bin/pidof N/A
File opened for reading /proc/1290/cmdline /usr/bin/pidof N/A
File opened for reading /proc/1340/cmdline /usr/bin/pidof N/A
File opened for reading /proc/1148/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1050/status /usr/bin/pgrep N/A
File opened for reading /proc/1103/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/834/stat /usr/bin/pidof N/A
File opened for reading /proc/205/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/211/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/588/status /usr/bin/pgrep N/A
File opened for reading /proc/992/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/408/cmdline /usr/bin/pidof N/A
File opened for reading /proc/1050/stat /usr/bin/pidof N/A
File opened for reading /proc/315/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/6/cmdline /usr/bin/pidof N/A
File opened for reading /proc/1139/cmdline /usr/bin/pidof N/A
File opened for reading /proc/671/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/585/cmdline /usr/bin/pidof N/A
File opened for reading /proc/619/stat /usr/bin/pidof N/A
File opened for reading /proc/693/stat /usr/bin/pidof N/A
File opened for reading /proc/9/stat /usr/bin/pidof N/A
File opened for reading /proc/637/stat /usr/bin/pidof N/A
File opened for reading /proc/1174/stat /usr/bin/pidof N/A
File opened for reading /proc/74/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/89/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1044/cmdline /usr/bin/pidof N/A
File opened for reading /proc/79/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/211/cmdline /usr/bin/pgrep N/A

Processes

/tmp/na.elf

[/tmp/na.elf]

/bin/sh

[sh -c pgrep na.elf]

/usr/bin/pgrep

[pgrep na.elf]

/bin/sh

[sh -c pgrep uplugplay]

/usr/bin/pgrep

[pgrep uplugplay]

/bin/sh

[sh -c pidof uplugplay]

/usr/bin/pidof

[pidof uplugplay]

/bin/sh

[sh -c pgrep upnpsetup]

/usr/bin/pgrep

[pgrep upnpsetup]

/bin/sh

[sh -c pidof upnpsetup]

/usr/bin/pidof

[pidof upnpsetup]

/bin/sh

[sh -c systemctl daemon-reload]

/usr/bin/systemctl

[systemctl daemon-reload]

/bin/sh

[sh -c systemctl enable uplugplay.service]

/usr/bin/systemctl

[systemctl enable uplugplay.service]

/bin/sh

[sh -c systemctl start uplugplay.service]

/usr/bin/systemctl

[systemctl start uplugplay.service]

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 8.8.8.8:53 p3.feefreepool.net udp
DE 88.198.246.242:80 p3.feefreepool.net tcp

Files

memory/1574-1-0x0000000000400000-0x00000000015640f8-memory.dmp

/usr/sbin/uplugplay

MD5 44759644f6973b6ff120555315941cd1
SHA1 54b150db6002161c476b7995140008ae7d2972fc
SHA256 d3adee722dae9f13eea57a65c0a341f9eb74d4910fde948edf2eb0d26e835df9
SHA512 3bc0c271fb50715aecd7e587b0dd37e7677413d62d5ef5c5a0f65864aa48f0066aa29f0b5332df70acc54e50e9913780c43b522b62086f12b5e1c04662558ed3

/usr/lib/systemd/system/uplugplay.service

MD5 8ca62d1f47880bce036c2956c9b7b272
SHA1 3bcc3a5c4fcc5b0d08c4524a59f6b8e113b62060
SHA256 c655d3d4e374fad38313ec4262207b2d7d68a870238f203ef3c33f85e66c8e32
SHA512 4cd2d9d67151fa25e833707dee2442c4a5f752053fc2c36ec73c0e2b734c66ca69c63fceb47714d9add5b9fe2eee1e45be5199e2cae7c26173e766b333877da6