Malware Analysis Report

2025-06-16 02:03

Sample ID 250221-xzd14azms4
Target na.elf
SHA256 67c74b4bbb08c4ac8b33546aa4df52fc09ac33e557f42de641b3506ac7dbfd0d
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

67c74b4bbb08c4ac8b33546aa4df52fc09ac33e557f42de641b3506ac7dbfd0d

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

Deletes itself

Modifies hosts file

Write file to user bin folder

Enumerates running processes

Modifies systemd

UPX packed file

Reads CPU attributes

Reads runtime system information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-02-21 19:17

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 19:17

Reported

2025-02-21 19:19

Platform

ubuntu2204-amd64-20240522.1-en

Max time kernel

5s

Max time network

129s

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/94/cmdline /usr/bin/pidof N/A
File opened for reading /proc/501/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/748/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/198/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1249/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/613/cmdline /usr/bin/pidof N/A
File opened for reading /proc/762/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/75/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1512/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/78/cmdline /usr/bin/pidof N/A
File opened for reading /proc/209/status /usr/bin/pgrep N/A
File opened for reading /proc/12/status /usr/bin/pgrep N/A
File opened for reading /proc/749/stat /usr/bin/pidof N/A
File opened for reading /proc/26/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/425/cmdline /usr/bin/pidof N/A
File opened for reading /proc/1512/status /usr/bin/pgrep N/A
File opened for reading /proc/1209/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/414/status /usr/bin/pgrep N/A
File opened for reading /proc/1262/status /usr/bin/pgrep N/A
File opened for reading /proc/207/status /usr/bin/pgrep N/A
File opened for reading /proc/762/stat /usr/bin/pidof N/A
File opened for reading /proc/1208/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1259/stat /usr/bin/pidof N/A
File opened for reading /proc/1601/stat /usr/bin/pidof N/A
File opened for reading /proc/77/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1499/cmdline /usr/bin/pidof N/A
File opened for reading /proc/528/stat /usr/bin/pidof N/A
File opened for reading /proc/14/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/411/cmdline /usr/bin/pidof N/A
File opened for reading /proc/1147/cmdline /usr/bin/pidof N/A
File opened for reading /proc/1453/stat /usr/bin/pidof N/A
File opened for reading /proc/filesystems /usr/bin/systemctl N/A
File opened for reading /proc/204/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/82/cmdline /usr/bin/pidof N/A
File opened for reading /proc/1218/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/81/cmdline /usr/bin/pidof N/A
File opened for reading /proc/589/cmdline /usr/bin/pidof N/A
File opened for reading /proc/633/cmdline /usr/bin/pidof N/A
File opened for reading /proc/102/status /usr/bin/pgrep N/A
File opened for reading /proc/27/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/992/stat /usr/bin/pidof N/A
File opened for reading /proc/9/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1453/status /usr/bin/pgrep N/A
File opened for reading /proc/426/stat /usr/bin/pidof N/A
File opened for reading /proc/1499/status /usr/bin/pgrep N/A
File opened for reading /proc/11/stat /usr/bin/pidof N/A
File opened for reading /proc/852/status /usr/bin/pgrep N/A
File opened for reading /proc/860/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1063/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/498/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/sys/kernel/osrelease /usr/bin/pgrep N/A
File opened for reading /proc/1565/stat /usr/bin/pidof N/A
File opened for reading /proc/21/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1252/status /usr/bin/pgrep N/A
File opened for reading /proc/99/stat /usr/bin/pidof N/A
File opened for reading /proc/1174/cmdline /usr/bin/pidof N/A
File opened for reading /proc/1269/cmdline /usr/bin/pidof N/A
File opened for reading /proc/81/status /usr/bin/pgrep N/A
File opened for reading /proc/195/status /usr/bin/pgrep N/A
File opened for reading /proc/1252/stat /usr/bin/pidof N/A
File opened for reading /proc/89/status /usr/bin/pgrep N/A
File opened for reading /proc/79/cmdline /usr/bin/pgrep N/A
File opened for reading /proc/1209/status /usr/bin/pgrep N/A
File opened for reading /proc/643/cmdline /usr/bin/pidof 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/1558-1-0x0000000000400000-0x00000000015640f8-memory.dmp

/usr/sbin/uplugplay

MD5 acb82fbd3ed6a6bd8e4411038ed48fbd
SHA1 fa61891bc4ef7d6e023f94333b1695106767c3e3
SHA256 67c74b4bbb08c4ac8b33546aa4df52fc09ac33e557f42de641b3506ac7dbfd0d
SHA512 f25d22737efaab07ab6688a5a17ef33de27ac9b8bb900f4d45733260135b9d95792c85bb5e8774541b4fc8b1a3f5844216e491e22191c9317d9d263639ddbe32

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

MD5 8ca62d1f47880bce036c2956c9b7b272
SHA1 3bcc3a5c4fcc5b0d08c4524a59f6b8e113b62060
SHA256 c655d3d4e374fad38313ec4262207b2d7d68a870238f203ef3c33f85e66c8e32
SHA512 4cd2d9d67151fa25e833707dee2442c4a5f752053fc2c36ec73c0e2b734c66ca69c63fceb47714d9add5b9fe2eee1e45be5199e2cae7c26173e766b333877da6